* "emacs -nw" hangs in a terminal @ 2012-05-14 12:31 cygwin 2012-05-14 13:58 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: cygwin @ 2012-05-14 12:31 UTC (permalink / raw) To: cygwin Recently, emacs in a terminal started hanging: /usr/bin/emacs -nw --no-init-file --no-site-file I had to kill it from another terminal window. But I noticed /usr/bin/emacs points through alternatives to /usr/bin/emacs-X11, so I started calling /usr/bin/emacs-nox directly. (Actually I modified my emn script.) This solves the problem for me. But "emacs -nw" has worked forever until very recently. -Ken Jackson -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-14 12:31 "emacs -nw" hangs in a terminal cygwin @ 2012-05-14 13:58 ` Ken Brown 2012-05-15 11:00 ` Filipp Gunbin 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-14 13:58 UTC (permalink / raw) To: cygwin On 5/14/2012 8:29 AM, Ken Jackson wrote: > Recently, emacs in a terminal started hanging: > > /usr/bin/emacs -nw --no-init-file --no-site-file > > I had to kill it from another terminal window. > > But I noticed /usr/bin/emacs points through alternatives to > /usr/bin/emacs-X11, so I started calling /usr/bin/emacs-nox > directly. (Actually I modified my emn script.) This solves > the problem for me. > > But "emacs -nw" has worked forever until very recently. This is a known problem with emacs-23 and glib >= 2.31: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9754 I guess the problem just showed up on Cygwin a few days ago because of the recent update of the GNOME libraries. And I didn't notice it myself because I've been using emacs-24, which doesn't have the problem. I'll prepare an update ASAP with a fix. In the meantime, you can continue with your workaround of calling emacs-nox.exe directly, or you can try the test version of emacs-24 that's available via setup.exe. The latter would be appreciated; emacs-24.1 is going to be released fairly soon, and it would be nice to have some Cygwin users test it. Thanks for the report. Ken Brown Cygwin's emacs maintainer -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-14 13:58 ` Ken Brown @ 2012-05-15 11:00 ` Filipp Gunbin 2012-05-15 11:47 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Filipp Gunbin @ 2012-05-15 11:00 UTC (permalink / raw) To: cygwin Ken Brown <kbrown@cornell.edu> writes: > On 5/14/2012 8:29 AM, Ken Jackson wrote: >> Recently, emacs in a terminal started hanging: >> >> /usr/bin/emacs -nw --no-init-file --no-site-file >> >> I had to kill it from another terminal window. >> >> But I noticed /usr/bin/emacs points through alternatives to >> /usr/bin/emacs-X11, so I started calling /usr/bin/emacs-nox >> directly. (Actually I modified my emn script.) This solves >> the problem for me. >> >> But "emacs -nw" has worked forever until very recently. > > This is a known problem with emacs-23 and glib >= 2.31: > > http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9754 > > I guess the problem just showed up on Cygwin a few days ago because of > the recent update of the GNOME libraries. And I didn't notice it > myself because I've been using emacs-24, which doesn't have the > problem. > > I'll prepare an update ASAP with a fix. In the meantime, you can > continue with your workaround of calling emacs-nox.exe directly, or > you can try the test version of emacs-24 that's available via > setup.exe. The latter would be appreciated; emacs-24.1 is going to be > released fairly soon, and it would be nice to have some Cygwin users > test it. > > Thanks for the report. > > Ken Brown > Cygwin's emacs maintainer > > I had the same problem (emacs-23 hangs) today after updating Cygwin including GNOME libraries. I tried emacs-24, but with no luck: after hitting `C-x C-f C-g' emacs almost always dumps core. I had to revert to emacs-23 for now (using the workaround with emacs-nox, thanks for it!). Sorry for the poor report, probably I could provide more details if needed. In case it matters, I did full rebase (deleted db file and run rebaseall) just before trying emacs-24. -- Filipp Gunbin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-15 11:00 ` Filipp Gunbin @ 2012-05-15 11:47 ` Ken Brown 2012-05-15 12:17 ` Filipp Gunbin 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-15 11:47 UTC (permalink / raw) To: cygwin On 5/15/2012 6:57 AM, Filipp Gunbin wrote: > I tried emacs-24, but with no luck: after hitting `C-x C-f C-g' emacs > almost always dumps core. I had to revert to emacs-23 for now (using > the workaround with emacs-nox, thanks for it!). > > Sorry for the poor report, probably I could provide more details if > needed. Please do provide details, including the cygcheck output requested at http://cygwin.com/problems.html Give a complete recipe for reproducing the problem, preferably starting with `emacs -Q'. Thanks. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-15 11:47 ` Ken Brown @ 2012-05-15 12:17 ` Filipp Gunbin 2012-05-15 12:27 ` Filipp Gunbin 0 siblings, 1 reply; 36+ messages in thread From: Filipp Gunbin @ 2012-05-15 12:17 UTC (permalink / raw) To: cygwin [-- Attachment #1: Type: text/plain, Size: 1021 bytes --] Ken Brown writes: > On 5/15/2012 6:57 AM, Filipp Gunbin wrote: >> I tried emacs-24, but with no luck: after hitting `C-x C-f C-g' emacs >> almost always dumps core. I had to revert to emacs-23 for now (using >> the workaround with emacs-nox, thanks for it!). >> >> Sorry for the poor report, probably I could provide more details if >> needed. > > Please do provide details, including the cygcheck output requested at > > http://cygwin.com/problems.html > > Give a complete recipe for reproducing the problem, preferably > starting with `emacs -Q'. > > Thanks. > > Ken > > Attached the output from cygcheck. For some reason it dumped core too: $ cygcheck -s -v -r > /tmp/cygcheck.out Segmentation fault Other programs seem to work normally (though I haven't tried many). The steps to reproduce the problem with emacs-24 are: 1. start emacs: emacs -nw -Q 2. C-x C-f C-g Here emacs either dumps core or hangs. I didn't have any problems with other Cygwin programs in the last months. Thanks! -- Filipp Gunbin [-- Attachment #2: cygcheck.out.1 --] [-- Type: application/octet-stream, Size: 36291 bytes --] Cygwin Configuration Diagnostics Current System Time: Tue May 15 13:02:10 2012 Windows Vista Business Ver 6.0 Build 6001 Service Pack 1 Path: D:\cygwin\root\home\fg\bin D:\cygwin\root\usr\local\apache-maven-2.2.1\bin D:\cygwin\root\usr\local\ant\bin C:\Program Files\Java\jdk1.6.0_32\bin D:\cygwin\root\opt\jboss\bin D:\cygwin\root\usr\local\pgsql\bin D:\cygwin\root\usr\local\pgsql\lib D:\cygwin\root\usr\local\hbase-0.20.6\bin D:\cygwin\root\usr\local\apache-activemq-5.5.1\bin D:\cygwin\root\usr\local\bin D:\cygwin\root\bin C:\Windows\system32 C:\Windows C:\Windows\System32\Wbem C:\oracle\product\11.1.0\client_1 D:\cygwin\root\lib\lapack Output from D:\cygwin\root\bin\id.exe UID: 1016(fg) GID: 513(None) 513(None) 0(root) 544(Администраторы) 545(Пользователи) SysDir: C:\Windows\system32 WinDir: C:\Windows HOME = 'D:\cygwin\root\home\fg' PWD = '/home/fg' USER = 'fg' ALLUSERSPROFILE = 'C:\ProgramData' ANT_HOME = 'D:/cygwin/root/usr/local/ant' APPDATA = 'C:\Users\fg\AppData\Roaming' CATALINA_HOME = '/usr/local/tomcat' COMMONPROGRAMFILES = 'C:\Program Files\Common Files' COMPUTERNAME = 'WS796-OF-SPB' DFSTRACINGON = 'FALSE' FP_NO_HOST_CHECK = 'NO' FTP_PASSIVE = '1' HBASE_HOME = '/usr/local/hbase' HOMEDRIVE = 'C:' HOMEPATH = '\Users\fg' HOSTNAME = 'ws796-of-spb' INFOPATH = '/usr/local/info:/usr/share/info:/usr/info:' JAVA_HOME = 'C:/Program Files/Java/jdk1.6.0_32/' JBOSS_HOME = 'D:/cygwin/root/opt/jboss' LANG = 'C.UTF8' LOCALAPPDATA = 'C:\Users\fg\AppData\Local' LOGONSERVER = '\\WS796-OF-SPB' M2 = 'D:/cygwin/root/usr/local/apache-maven-2.2.1/bin' M2_HOME = 'D:/cygwin/root/usr/local/apache-maven-2.2.1/' MANPATH = '/usr/local/pgsql/man:/usr/local/man:/usr/share/man:/usr/man::/usr/ssl/man' MAVEN_OPTS = '-Duser.home=D:/cygwin/root/home/fg -Xmx512m' NLS_LANG = 'American_America.UTF8' NUMBER_OF_PROCESSORS = '2' OLDPWD = '/cygdrive/c/Users/fg/Desktop' OS = 'Windows_NT' PATHEXT = '.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC' PGDATA = '/var/pgsql/data' PRINTER = 'Microsoft XPS Document Writer' PROCESSOR_ARCHITECTURE = 'x86' PROCESSOR_IDENTIFIER = 'x86 Family 6 Model 23 Stepping 6, GenuineIntel' PROCESSOR_LEVEL = '6' PROCESSOR_REVISION = '1706' PROGRAMFILES = 'C:\Program Files' PS1 = '\n\u@\h \w\n$ ' PUBLIC = 'C:\Users\Public' ProgramData = 'C:\ProgramData' SESSIONNAME = 'Console' SHELL = '/bin/bash' SHLVL = '1' SYSTEMDRIVE = 'C:' SYSTEMROOT = 'C:\Windows' TEMP = 'D:\cygwin\root\tmp' TERM = 'xterm' TMP = 'D:\cygwin\root\tmp' TNS_ADMIN = 'c:/oracle/product/11.1.0/client_1/Network/Admin' TRACE_FORMAT_SEARCH_PATH = '\\NTREL202.ntdev.corp.microsoft.com\4F18C3A5-CA09-4DBD-B6FC-219FDD4C6BE0\TraceFormat' TZ = 'Europe/Moscow' UATDATA = 'C:\Windows\system32\CCM\UATData\D9F8C395-CAB8-491d-B8AC-179A1FE1BE77' USERDOMAIN = 'WS796-OF-SPB' USERNAME = 'fg' USERPROFILE = 'C:\Users\fg' WINDIR = 'C:\Windows' _ = '/usr/bin/cygcheck' asl.log = 'Destination=file' temp = 'C:\Users\fg\AppData\Local\Temp' tmp = 'C:\Users\fg\AppData\Local\Temp' HKEY_CURRENT_USER\Software\Cygwin HKEY_CURRENT_USER\Software\Cygwin\Program Options HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cn%2fcygwin%2f HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cn%2fcygwin%2f\OpenWithList HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2 (default) = '/cygdrive' cygdrive flags = 0x00000022 HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/ (default) = 'C:\cygwin' flags = 0x0000000a HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/bin (default) = 'C:\cygwin/bin' flags = 0x0000000a HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/lib (default) = 'C:\cygwin/lib' flags = 0x0000000a HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Installations (default) = '\??\C:\cygwin' f4b351e98fef0d38 = '\??\D:\cygwin\root' HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Program Options HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\setup (default) = 'd:\cygwin\root' obcaseinsensitive set to 1 Cygwin installations found in the registry: System: Key: c5e39b7a9d22bafb Path: C:\cygwin (ORPHANED) System: Key: f4b351e98fef0d38 Path: D:\cygwin\root c: hd NTFS 51214Mb 56% CP CS UN PA FC d: hd NTFS 187257Mb 17% CP CS UN PA FC e: cd N/A N/A D:\cygwin\root / system binary,auto D:\cygwin\root\bin /usr/bin system binary,auto D:\cygwin\root\lib /usr/lib system binary,auto cygdrive prefix /cygdrive user binary,auto Found: D:\cygwin\root\bin\awk -> D:\cygwin\root\bin\gawk.exe Found: D:\cygwin\root\bin\bash.exe Found: D:\cygwin\root\bin\cat.exe Found: D:\cygwin\root\bin\cp.exe Found: D:\cygwin\root\bin\cpp.exe -> D:\cygwin\root\etc\alternatives\cpp -> D:\cygwin\root\bin\cpp-3.exe Not Found: crontab Found: D:\cygwin\root\bin\find.exe Found: C:\Windows\system32\find.exe Warning: D:\cygwin\root\bin\find.exe hides C:\Windows\system32\find.exe Found: D:\cygwin\root\bin\gcc.exe -> D:\cygwin\root\etc\alternatives\gcc -> D:\cygwin\root\bin\gcc-3.exe Not Found: gdb Found: D:\cygwin\root\bin\grep.exe Found: D:\cygwin\root\bin\kill.exe Found: D:\cygwin\root\bin\ld.exe Found: D:\cygwin\root\bin\ls.exe Found: D:\cygwin\root\bin\make.exe Found: D:\cygwin\root\bin\mv.exe Found: D:\cygwin\root\bin\patch.exe Found: D:\cygwin\root\bin\perl.exe Found: D:\cygwin\root\bin\rm.exe Found: D:\cygwin\root\bin\sed.exe Found: D:\cygwin\root\bin\ssh.exe Found: D:\cygwin\root\bin\sh.exe Found: D:\cygwin\root\bin\tar.exe Found: D:\cygwin\root\bin\test.exe Not Found: vi Not Found: vim 95k 2012/04/11 D:\cygwin\root\usr\local\pgsql\lib\cygecpg.dll - os=4.0 img=1.0 sys=4.0 "cygecpg.dll" v0.0 ts=2012/4/5 11:12 31k 2012/04/11 D:\cygwin\root\usr\local\pgsql\lib\cygecpg_compat.dll - os=4.0 img=1.0 sys=4.0 "cygecpg_compat.dll" v0.0 ts=2012/4/5 11:12 72k 2012/04/11 D:\cygwin\root\usr\local\pgsql\lib\cygpgtypes.dll - os=4.0 img=1.0 sys=4.0 "cygpgtypes.dll" v0.0 ts=2012/4/5 11:12 147k 2012/04/11 D:\cygwin\root\usr\local\pgsql\lib\cygpq.dll - os=4.0 img=1.0 sys=4.0 "cygpq.dll" v0.0 ts=2012/4/5 11:12 118k 2012/02/19 D:\cygwin\root\bin\cygapr-1-0.dll - os=4.0 img=1.0 sys=4.0 "cygapr-1-0.dll" v0.0 ts=2012/2/19 20:55 89k 2011/12/20 D:\cygwin\root\bin\cygaprutil-1-0.dll - os=4.0 img=1.0 sys=4.0 "cygaprutil-1-0.dll" v0.0 ts=2011/12/20 19:31 448k 2012/03/23 D:\cygwin\root\bin\cygasn1-8.dll - os=4.0 img=1.0 sys=4.0 "cygasn1-8.dll" v0.0 ts=2012/3/23 3:53 94k 2012/05/01 D:\cygwin\root\bin\cygatk-1.0-0.dll - os=4.0 img=1.0 sys=4.0 "cygatk-1.0-0.dll" v0.0 ts=2012/5/1 3:28 14k 2012/05/04 D:\cygwin\root\bin\cygattr-1.dll - os=4.0 img=1.0 sys=4.0 "cygattr-1.dll" v0.0 ts=2012/5/4 12:35 167k 2012/04/04 D:\cygwin\root\bin\cygautotrace-3.dll - os=4.0 img=1.0 sys=4.0 "cygautotrace-3.dll" v0.0 ts=2012/4/4 9:50 62k 2011/05/21 D:\cygwin\root\bin\cygbz2-1.dll - os=4.0 img=1.0 sys=4.0 "cygbz2-1.dll" v0.0 ts=2011/5/21 20:16 895k 2012/05/01 D:\cygwin\root\bin\cygcairo-2.dll - os=4.0 img=1.0 sys=4.0 "cygcairo-2.dll" v0.0 ts=2012/5/1 5:36 20k 2012/05/01 D:\cygwin\root\bin\cygcairo-gobject-2.dll - os=4.0 img=1.0 sys=4.0 "cygcairo-gobject-2.dll" v0.0 ts=2012/5/1 5:36 101k 2012/05/01 D:\cygwin\root\bin\cygcairo-script-interpreter-2.dll - os=4.0 img=1.0 sys=4.0 "cygcairo-script-interpreter-2.dll" v0.0 ts=2012/5/1 5:36 8k 2011/10/16 D:\cygwin\root\bin\cygcharset-1.dll - os=4.0 img=1.0 sys=4.0 "cygcharset-1.dll" v0.0 ts=2011/10/16 18:00 9k 2011/01/07 D:\cygwin\root\bin\cygcom_err-2.dll - os=4.0 img=1.0 sys=4.0 "cygcom_err-2.dll" v0.0 ts=2011/1/7 1:26 29k 2010/10/11 D:\cygwin\root\bin\cygcord-1.dll - os=4.0 img=1.0 sys=4.0 "cygcord-1.dll" v0.0 ts=2010/10/11 18:03 189k 2012/05/04 D:\cygwin\root\bin\cygcroco-0.6-3.dll - os=4.0 img=1.0 sys=4.0 "cygcroco-0.6-3.dll" v0.0 ts=2012/5/4 4:54 7k 2012/05/07 D:\cygwin\root\bin\cygcrypt-0.dll - os=4.0 img=1.0 sys=4.0 "cygcrypt-0.dll" v0.0 ts=2012/5/7 12:18 1246k 2012/05/11 D:\cygwin\root\bin\cygcrypto-0.9.8.dll - os=4.0 img=1.0 sys=4.0 "cygcrypto-0.9.8.dll" v0.0 ts=2012/5/11 12:25 1515k 2012/05/11 D:\cygwin\root\bin\cygcrypto-1.0.0.dll - os=4.0 img=1.0 sys=4.0 "cygcrypto-1.0.0.dll" v0.0 ts=2012/5/11 11:33 340k 2012/03/19 D:\cygwin\root\bin\cygcurl-4.dll - os=4.0 img=1.0 sys=4.0 "cygcurl-4.dll" v0.0 ts=2012/3/19 4:38 17k 2011/10/02 D:\cygwin\root\bin\cygdatrie-1.dll - os=4.0 img=1.0 sys=4.0 "cygdatrie-1.dll" v0.0 ts=2011/10/3 0:13 929k 2011/11/10 D:\cygwin\root\bin\cygdb-4.5.dll - os=4.0 img=1.0 sys=4.0 "cygdb-4.5.dll" v0.0 ts=2011/11/10 19:52 219k 2012/04/20 D:\cygwin\root\bin\cygdbus-1-3.dll - os=4.0 img=1.0 sys=4.0 "cygdbus-1-3.dll" v0.0 ts=2012/4/20 3:09 93k 2011/11/10 D:\cygwin\root\bin\cygdb_cxx-4.5.dll - os=4.0 img=1.0 sys=4.0 "cygdb_cxx-4.5.dll" v0.0 ts=2011/11/10 19:53 130k 2012/01/23 D:\cygwin\root\bin\cygdialog-10.dll - os=4.0 img=1.0 sys=4.0 "cygdialog-10.dll" v0.0 ts=2012/1/23 9:39 140k 2012/05/03 D:\cygwin\root\bin\cygedit-0.dll - os=4.0 img=1.0 sys=4.0 "cygedit-0.dll" v0.0 ts=2012/5/3 18:12 163k 2010/05/19 D:\cygwin\root\bin\cygEMF-1.dll - os=4.0 img=1.0 sys=4.0 "cygEMF-1.dll" v0.0 ts=2010/5/19 20:51 118k 2008/05/09 D:\cygwin\root\bin\cygexpat-1.dll - os=4.0 img=1.0 sys=4.0 "cygexpat-1.dll" v0.0 ts=2008/5/9 5:03 29k 2010/05/12 D:\cygwin\root\bin\cygfam-0.dll - os=4.0 img=1.0 sys=4.0 "cygfam-0.dll" v0.0 ts=2010/5/12 11:26 21k 2011/10/26 D:\cygwin\root\bin\cygffi-4.dll - os=4.0 img=1.0 sys=4.0 "cygffi-4.dll" v0.0 ts=2011/10/23 14:33 785k 2011/08/23 D:\cygwin\root\bin\cygfftw3-3.dll - os=4.0 img=1.0 sys=4.0 "cygfftw3-3.dll" v0.0 ts=2011/8/21 22:53 759k 2011/08/23 D:\cygwin\root\bin\cygfftw3f-3.dll - os=4.0 img=1.0 sys=4.0 "cygfftw3f-3.dll" v0.0 ts=2011/8/21 22:47 20k 2011/08/23 D:\cygwin\root\bin\cygfftw3f_threads-3.dll - os=4.0 img=1.0 sys=4.0 "cygfftw3f_threads-3.dll" v0.0 ts=2011/8/21 22:47 20k 2011/08/23 D:\cygwin\root\bin\cygfftw3_threads-3.dll - os=4.0 img=1.0 sys=4.0 "cygfftw3_threads-3.dll" v0.0 ts=2011/8/21 22:53 175k 2012/02/03 D:\cygwin\root\bin\cygfontconfig-1.dll - os=4.0 img=1.0 sys=4.0 "cygfontconfig-1.dll" v0.0 ts=2012/2/3 8:53 20k 2010/10/31 D:\cygwin\root\bin\cygfontenc-1.dll - os=4.0 img=1.0 sys=4.0 "cygfontenc-1.dll" v0.0 ts=2010/10/31 20:19 43k 2010/01/02 D:\cygwin\root\bin\cygform-10.dll - os=4.0 img=1.0 sys=4.0 "cygform-10.dll" v0.0 ts=2010/1/2 14:49 47k 2010/01/02 D:\cygwin\root\bin\cygformw-10.dll - os=4.0 img=1.0 sys=4.0 "cygformw-10.dll" v0.0 ts=2010/1/2 17:31 548k 2011/11/09 D:\cygwin\root\bin\cygfpx-1.dll - os=4.0 img=1.0 sys=4.0 "cygfpx-1.dll" v0.0 ts=2011/11/9 22:30 505k 2012/03/27 D:\cygwin\root\bin\cygfreetype-6.dll - os=4.0 img=1.0 sys=4.0 "cygfreetype-6.dll" v0.0 ts=2012/3/27 5:27 97k 2010/10/11 D:\cygwin\root\bin\cyggc-1.dll - os=4.0 img=1.0 sys=4.0 "cyggc-1.dll" v0.0 ts=2010/10/11 18:03 79k 2011/10/26 D:\cygwin\root\bin\cyggcc_s-1.dll - os=4.0 img=1.0 sys=4.0 "cyggcc_s-1.dll" v0.0 ts=2011/10/23 14:15 449k 2011/05/20 D:\cygwin\root\bin\cyggcrypt-11.dll - os=4.0 img=1.0 sys=4.0 "cyggcrypt-11.dll" v0.0 ts=2011/5/20 3:29 227k 2011/11/16 D:\cygwin\root\bin\cyggd-2.dll - os=4.0 img=1.0 sys=4.0 "cyggd-2.dll" v0.0 ts=2011/11/16 10:53 19k 2009/02/26 D:\cygwin\root\bin\cyggdbm-4.dll - os=4.0 img=1.0 sys=4.0 "cyggdbm-4.dll" v0.0 ts=2009/2/26 7:58 8k 2009/02/26 D:\cygwin\root\bin\cyggdbm_compat-4.dll - os=4.0 img=1.0 sys=4.0 "cyggdbm_compat-4.dll" v0.0 ts=2009/2/26 7:58 554k 2012/05/02 D:\cygwin\root\bin\cyggdk-x11-2.0-0.dll - os=4.0 img=1.0 sys=4.0 "cyggdk-x11-2.0-0.dll" v0.0 ts=2012/5/2 8:48 201k 2012/05/02 D:\cygwin\root\bin\cyggdk_pixbuf-2.0-0.dll - os=4.0 img=1.0 sys=4.0 "cyggdk_pixbuf-2.0-0.dll" v0.0 ts=2012/5/2 4:28 713k 2011/10/26 D:\cygwin\root\bin\cyggfortran-3.dll - os=4.0 img=1.0 sys=4.0 "cyggfortran-3.dll" v0.0 ts=2011/10/23 15:15 29k 2009/03/23 D:\cygwin\root\bin\cyggif-4.dll - os=4.0 img=1.0 sys=4.0 "cyggif-4.dll" v0.0 ts=2009/3/23 19:55 1063k 2012/05/01 D:\cygwin\root\bin\cyggio-2.0-0.dll - os=4.0 img=1.0 sys=4.0 "cyggio-2.0-0.dll" v0.0 ts=2012/5/1 6:46 838k 2012/05/01 D:\cygwin\root\bin\cygglib-2.0-0.dll - os=4.0 img=1.0 sys=4.0 "cygglib-2.0-0.dll" v0.0 ts=2012/5/1 6:41 11k 2012/05/01 D:\cygwin\root\bin\cyggmodule-2.0-0.dll - os=4.0 img=1.0 sys=4.0 "cyggmodule-2.0-0.dll" v0.0 ts=2012/5/1 6:43 317k 2011/07/31 D:\cygwin\root\bin\cyggmp-3.dll - os=4.0 img=1.0 sys=4.0 "cyggmp-3.dll" v0.0 ts=2011/7/31 6:14 614k 2011/11/15 D:\cygwin\root\bin\cyggnutls-26.dll - os=4.0 img=1.0 sys=4.0 "cyggnutls-26.dll" v0.0 ts=2011/11/15 7:02 21k 2011/11/15 D:\cygwin\root\bin\cyggnutls-extra-26.dll - os=4.0 img=1.0 sys=4.0 "cyggnutls-extra-26.dll" v0.0 ts=2011/11/15 7:02 24k 2011/11/15 D:\cygwin\root\bin\cyggnutls-openssl-27.dll - os=4.0 img=1.0 sys=4.0 "cyggnutls-openssl-27.dll" v0.0 ts=2011/11/15 7:03 52k 2011/11/15 D:\cygwin\root\bin\cyggnutlsxx-27.dll - os=4.0 img=1.0 sys=4.0 "cyggnutlsxx-27.dll" v0.0 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D:\cygwin\root\bin\cyggtk-x11-2.0-0.dll - os=4.0 img=1.0 sys=4.0 "cyggtk-x11-2.0-0.dll" v0.0 ts=2012/5/2 8:53 10k 2012/03/23 D:\cygwin\root\bin\cygheimbase-1.dll - os=4.0 img=1.0 sys=4.0 "cygheimbase-1.dll" v0.0 ts=2012/3/23 3:51 20k 2012/03/23 D:\cygwin\root\bin\cygheimntlm-0.dll - os=4.0 img=1.0 sys=4.0 "cygheimntlm-0.dll" v0.0 ts=2012/3/23 3:58 25k 2012/05/04 D:\cygwin\root\bin\cyghistory7.dll - os=4.0 img=1.0 sys=4.0 "cyghistory7.dll" v0.0 ts=2012/5/4 22:07 211k 2012/03/23 D:\cygwin\root\bin\cyghx509-5.dll - os=4.0 img=1.0 sys=4.0 "cyghx509-5.dll" v0.0 ts=2012/3/23 3:54 74k 2010/10/31 D:\cygwin\root\bin\cygICE-6.dll - os=4.0 img=1.0 sys=4.0 "cygICE-6.dll" v0.0 ts=2010/10/31 20:18 358k 2012/04/14 D:\cygwin\root\bin\cygicons-0.dll - os=4.0 img=1.4 sys=4.0 "cygicons-0.dll" v0.0 ts=2012/4/14 2:48 985k 2011/10/16 D:\cygwin\root\bin\cygiconv-2.dll - os=4.0 img=1.0 sys=4.0 "cygiconv-2.dll" v0.0 ts=2011/10/16 18:01 0k 2012/04/29 D:\cygwin\root\bin\cygicudata.dll - os=19625.30180 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D:\cygwin\root\bin\cygXt-6.dll - os=4.0 img=1.0 sys=4.0 "cygXt-6.dll" v0.0 ts=2011/6/7 4:40 71k 2012/05/13 D:\cygwin\root\bin\cygz.dll - os=4.0 img=1.0 sys=4.0 "cygz.dll" v0.0 ts=2012/5/13 5:11 22k 2010/12/31 D:\cygwin\root\bin\cygzzip-0-13.dll - os=4.0 img=1.0 sys=4.0 "cygzzip-0-13.dll" v0.0 ts=2010/12/31 7:29 11k 2010/12/31 D:\cygwin\root\bin\cygzzipfseeko-0-13.dll - os=4.0 img=1.0 sys=4.0 "cygzzipfseeko-0-13.dll" v0.0 ts=2010/12/31 7:29 12k 2010/12/31 D:\cygwin\root\bin\cygzzipmmapped-0-13.dll - os=4.0 img=1.0 sys=4.0 "cygzzipmmapped-0-13.dll" v0.0 ts=2010/12/31 7:29 7k 2010/12/31 D:\cygwin\root\bin\cygzzipwrap-0-13.dll - os=4.0 img=1.0 sys=4.0 "cygzzipwrap-0-13.dll" v0.0 ts=2010/12/31 7:29 2235k 2012/05/09 D:\cygwin\root\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0 "cygwin1.dll" v0.0 ts=2012/5/9 9:25 Cygwin DLL version info: DLL version: 1.7.15 DLL epoch: 19 DLL old termios: 5 DLL malloc env: 28 Cygwin conv: 181 API major: 0 API minor: 260 Shared data: 5 DLL identifier: cygwin1 Mount registry: 3 Cygwin registry name: Cygwin Program options name: Program Options Installations name: Installations Cygdrive default prefix: Build date: Shared id: cygwin1S5 364k 2012/04/27 D:\cygwin\root\lib\lapack\cygblas-0.dll - os=4.0 img=1.0 sys=4.0 "cygblas-0.dll" v0.0 ts=2012/4/27 21:18 4497k 2012/04/27 D:\cygwin\root\lib\lapack\cyglapack-0.dll - os=4.0 img=1.0 sys=4.0 "cyglapack-0.dll" v0.0 ts=2012/4/27 21:18 [-- Attachment #3: Type: text/plain, Size: 218 bytes --] -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-15 12:17 ` Filipp Gunbin @ 2012-05-15 12:27 ` Filipp Gunbin 2012-05-15 13:37 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Filipp Gunbin @ 2012-05-15 12:27 UTC (permalink / raw) To: cygwin Sorry, the message disappeared for some reason. Here it is. Filipp Ken Brown writes: > On 5/15/2012 6:57 AM, Filipp Gunbin wrote: >> I tried emacs-24, but with no luck: after hitting `C-x C-f C-g' emacs >> almost always dumps core. I had to revert to emacs-23 for now (using >> the workaround with emacs-nox, thanks for it!). >> >> Sorry for the poor report, probably I could provide more details if >> needed. > > Please do provide details, including the cygcheck output requested at > > http://cygwin.com/problems.html > > Give a complete recipe for reproducing the problem, preferably > starting with `emacs -Q'. > > Thanks. > > Ken > > Attached the output from cygcheck. For some reason it dumped core too: $ cygcheck -s -v -r > /tmp/cygcheck.out Segmentation fault Other programs seem to work normally (though I haven't tried many). The steps to reproduce the problem with emacs-24 are: 1. start emacs: emacs -nw -Q 2. C-x C-f C-g Here emacs either dumps core or hangs. I didn't have any problems with other Cygwin programs in the last months. Thanks! -- Filipp Gunbin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-15 12:27 ` Filipp Gunbin @ 2012-05-15 13:37 ` Ken Brown 2012-05-15 14:28 ` Filipp Gunbin 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-15 13:37 UTC (permalink / raw) To: cygwin On 5/15/2012 8:26 AM, Filipp Gunbin wrote: > Sorry, the message disappeared for some reason. Here it is. > > Filipp > > > Ken Brown writes: > >> On 5/15/2012 6:57 AM, Filipp Gunbin wrote: >>> I tried emacs-24, but with no luck: after hitting `C-x C-f C-g' emacs >>> almost always dumps core. I had to revert to emacs-23 for now (using >>> the workaround with emacs-nox, thanks for it!). >>> >>> Sorry for the poor report, probably I could provide more details if >>> needed. >> >> Please do provide details, including the cygcheck output requested at >> >> http://cygwin.com/problems.html >> >> Give a complete recipe for reproducing the problem, preferably >> starting with `emacs -Q'. >> >> Thanks. >> >> Ken >> >> > > Attached the output from cygcheck. For some reason it dumped core too: > > $ cygcheck -s -v -r> /tmp/cygcheck.out > Segmentation fault I wonder if this is the same problem as the one that was reported in http://cygwin.com/ml/cygwin/2012-05/msg00292.html and fixed in the 2012-05-14 snapshot. > Other programs seem to work normally (though I haven't tried many). > > The steps to reproduce the problem with emacs-24 are: > > 1. start emacs: emacs -nw -Q > 2. C-x C-f C-g > Here emacs either dumps core or hangs. I can reproduce this on XP but not on Windows 7. And I see from your (partial) cygcheck output that you're running Vista. I'll try to debug this on my XP system. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-15 13:37 ` Ken Brown @ 2012-05-15 14:28 ` Filipp Gunbin 2012-05-16 16:04 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Filipp Gunbin @ 2012-05-15 14:28 UTC (permalink / raw) To: Ken Brown; +Cc: cygwin > > I wonder if this is the same problem as the one that was reported in > > http://cygwin.com/ml/cygwin/2012-05/msg00292.html > > and fixed in the 2012-05-14 snapshot. I tried that snapshot, but it didn't help. Both cygcheck and emacs-24 still dump core. > > I can reproduce this on XP but not on Windows 7. And I see from your > (partial) cygcheck output that you're running Vista. I'll try to debug > this on my XP system. Ok, thanks. -- Filipp Gunbin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-15 14:28 ` Filipp Gunbin @ 2012-05-16 16:04 ` Ken Brown 2012-05-21 8:12 ` Filipp Gunbin 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-16 16:04 UTC (permalink / raw) To: cygwin On 5/15/2012 10:27 AM, Filipp Gunbin wrote: [Ken Brown wrote:] >> I can reproduce this on XP but not on Windows 7. And I see from your >> (partial) cygcheck output that you're running Vista. I'll try to debug >> this on my XP system. I think I've fixed this, in both emacs-23 and emacs-24. Please retest once I announce that the new releases have been uploaded (23.4-2 and 24.0.96-2). Thanks. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-16 16:04 ` Ken Brown @ 2012-05-21 8:12 ` Filipp Gunbin 2012-05-21 8:50 ` Filipp Gunbin 0 siblings, 1 reply; 36+ messages in thread From: Filipp Gunbin @ 2012-05-21 8:12 UTC (permalink / raw) To: Ken Brown; +Cc: cygwin > From: Ken Brown > > I think I've fixed this, in both emacs-23 and emacs-24. Please retest > once I announce that the new releases have been uploaded (23.4-2 and > 24.0.96-2). > I started emacs-23.4.2 as usual (emacs -nw) and it did not hang. emacs-24.0.96-2 also seems to work normally, I've used it for some time without problems and will continue with it. Thanks! -- Filipp Gunbin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-21 8:12 ` Filipp Gunbin @ 2012-05-21 8:50 ` Filipp Gunbin 2012-05-21 10:03 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Filipp Gunbin @ 2012-05-21 8:50 UTC (permalink / raw) To: cygwin > From: Filipp Gunbin > > I started emacs-23.4.2 as usual (emacs -nw) and it did not hang. > > emacs-24.0.96-2 also seems to work normally, I've used it for some time without problems and will continue with it. > emacs-24.0.96-2 crashes when I am doing the following: 1) emacs -Q -nw 2) M-x shell 3) C-x C-f C-g -- Filipp Gunbin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-21 8:50 ` Filipp Gunbin @ 2012-05-21 10:03 ` Ken Brown 2012-05-21 15:32 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-21 10:03 UTC (permalink / raw) To: cygwin On 5/21/2012 4:50 AM, Filipp Gunbin wrote: > emacs-24.0.96-2 crashes when I am doing the following: > > 1) emacs -Q -nw > 2) M-x shell > 3) C-x C-f C-g I can reproduce this. I'll try again to fix it. Thanks for the report. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-21 10:03 ` Ken Brown @ 2012-05-21 15:32 ` Ken Brown 2012-05-21 16:29 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-21 15:32 UTC (permalink / raw) To: cygwin On 5/21/2012 6:02 AM, Ken Brown wrote: > On 5/21/2012 4:50 AM, Filipp Gunbin wrote: >> emacs-24.0.96-2 crashes when I am doing the following: >> >> 1) emacs -Q -nw >> 2) M-x shell >> 3) C-x C-f C-g > > I can reproduce this. I'll try again to fix it. I've discovered something strange by running emacs under gdb. If I start emacs-24 in a terminal (but not under X) and start a shell as you did, then every press of C-g creates a new thread, and these are never destroyed. I'm pretty sure the threads are created by Cygwin, not by emacs. cgf and/or Corinna, could you take a look? I wonder if this is related to the pthread problems that have been reported in a different (mailing-list) thread. Here are simplified steps for reproducing: 1. Install emacs-24.0.96-2. 2. In a Cygwin terminal with DISPLAY not set, run 'emacs -Q'. 3. Type <Alt-x>shell<return> 4. Repeatedly press C-g until emacs crashes. Thanks. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-21 15:32 ` Ken Brown @ 2012-05-21 16:29 ` Corinna Vinschen 2012-05-21 18:51 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-21 16:29 UTC (permalink / raw) To: cygwin On May 21 11:31, Ken Brown wrote: > On 5/21/2012 6:02 AM, Ken Brown wrote: > >On 5/21/2012 4:50 AM, Filipp Gunbin wrote: > >>emacs-24.0.96-2 crashes when I am doing the following: > >> > >>1) emacs -Q -nw > >>2) M-x shell > >>3) C-x C-f C-g > > > >I can reproduce this. I'll try again to fix it. > > I've discovered something strange by running emacs under gdb. If I > start emacs-24 in a terminal (but not under X) and start a shell as > you did, then every press of C-g creates a new thread, and these are > never destroyed. I'm pretty sure the threads are created by Cygwin, > not by emacs. What does C-g mean in Emacs? What's it supposed to do? Does it call select or poll? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-21 16:29 ` Corinna Vinschen @ 2012-05-21 18:51 ` Ken Brown 2012-05-22 11:29 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-21 18:51 UTC (permalink / raw) To: cygwin On 5/21/2012 12:29 PM, Corinna Vinschen wrote: > On May 21 11:31, Ken Brown wrote: >> On 5/21/2012 6:02 AM, Ken Brown wrote: >>> On 5/21/2012 4:50 AM, Filipp Gunbin wrote: >>>> emacs-24.0.96-2 crashes when I am doing the following: >>>> >>>> 1) emacs -Q -nw >>>> 2) M-x shell >>>> 3) C-x C-f C-g >>> >>> I can reproduce this. I'll try again to fix it. >> >> I've discovered something strange by running emacs under gdb. If I >> start emacs-24 in a terminal (but not under X) and start a shell as >> you did, then every press of C-g creates a new thread, and these are >> never destroyed. I'm pretty sure the threads are created by Cygwin, >> not by emacs. > > What does C-g mean in Emacs? What's it supposed to do? Does it > call select or poll? It's supposed to quit whatever operation is in progress. It doesn't call select or poll. In the situation of Filipp's instructions above, C-x C-f has caused emacs to prompt for a file name, and C-g should interrupt that. It also rings the the terminal bell and prints "Quit" in the echo area at the bottom of the screen. The situation in my instructions is slightly different. Prior to the user pressing C-g, emacs is running its idle loop, in which it repeatedly calls select to see if there's any event it needs to respond to. When C-g is pressed, select returns and emacs reacts to the keypress. In this case there's nothing to do but ring the terminal bell and print "Quit". Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-21 18:51 ` Ken Brown @ 2012-05-22 11:29 ` Corinna Vinschen 2012-05-22 11:42 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-22 11:29 UTC (permalink / raw) To: cygwin On May 21 14:51, Ken Brown wrote: > On 5/21/2012 12:29 PM, Corinna Vinschen wrote: > >On May 21 11:31, Ken Brown wrote: > >>On 5/21/2012 6:02 AM, Ken Brown wrote: > >>>On 5/21/2012 4:50 AM, Filipp Gunbin wrote: > >>>>emacs-24.0.96-2 crashes when I am doing the following: > >>>> > >>>>1) emacs -Q -nw > >>>>2) M-x shell > >>>>3) C-x C-f C-g > >>> > >>>I can reproduce this. I'll try again to fix it. > >> > >>I've discovered something strange by running emacs under gdb. If I > >>start emacs-24 in a terminal (but not under X) and start a shell as > >>you did, then every press of C-g creates a new thread, and these are > >>never destroyed. I'm pretty sure the threads are created by Cygwin, > >>not by emacs. > > > >What does C-g mean in Emacs? What's it supposed to do? Does it > >call select or poll? > > It's supposed to quit whatever operation is in progress. It doesn't > call select or poll. In the situation of Filipp's instructions > above, C-x C-f has caused emacs to prompt for a file name, and C-g > should interrupt that. It also rings the the terminal bell and > prints "Quit" in the echo area at the bottom of the screen. > > The situation in my instructions is slightly different. Prior to > the user pressing C-g, emacs is running its idle loop, in which it > repeatedly calls select to see if there's any event it needs to > respond to. When C-g is pressed, select returns and emacs reacts > to the keypress. In this case there's nothing to do but ring the > terminal bell and print "Quit". Somehow I'm not able to test this. When I start `emacs -Q -nw' in cmd or mintty, emacs takes 100% CPU for some reason. It doesn't matter if I try it under Cygwin 1.7.15 or current CVS. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-22 11:29 ` Corinna Vinschen @ 2012-05-22 11:42 ` Ken Brown 2012-05-22 13:42 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-22 11:42 UTC (permalink / raw) To: cygwin On 5/22/2012 7:28 AM, Corinna Vinschen wrote: > On May 21 14:51, Ken Brown wrote: >> On 5/21/2012 12:29 PM, Corinna Vinschen wrote: >>> On May 21 11:31, Ken Brown wrote: >>>> On 5/21/2012 6:02 AM, Ken Brown wrote: >>>>> On 5/21/2012 4:50 AM, Filipp Gunbin wrote: >>>>>> emacs-24.0.96-2 crashes when I am doing the following: >>>>>> >>>>>> 1) emacs -Q -nw >>>>>> 2) M-x shell >>>>>> 3) C-x C-f C-g >>>>> >>>>> I can reproduce this. I'll try again to fix it. >>>> >>>> I've discovered something strange by running emacs under gdb. If I >>>> start emacs-24 in a terminal (but not under X) and start a shell as >>>> you did, then every press of C-g creates a new thread, and these are >>>> never destroyed. I'm pretty sure the threads are created by Cygwin, >>>> not by emacs. >>> >>> What does C-g mean in Emacs? What's it supposed to do? Does it >>> call select or poll? >> >> It's supposed to quit whatever operation is in progress. It doesn't >> call select or poll. In the situation of Filipp's instructions >> above, C-x C-f has caused emacs to prompt for a file name, and C-g >> should interrupt that. It also rings the the terminal bell and >> prints "Quit" in the echo area at the bottom of the screen. >> >> The situation in my instructions is slightly different. Prior to >> the user pressing C-g, emacs is running its idle loop, in which it >> repeatedly calls select to see if there's any event it needs to >> respond to. When C-g is pressed, select returns and emacs reacts >> to the keypress. In this case there's nothing to do but ring the >> terminal bell and print "Quit". > > Somehow I'm not able to test this. When I start `emacs -Q -nw' in cmd > or mintty, emacs takes 100% CPU for some reason. It doesn't matter if I > try it under Cygwin 1.7.15 or current CVS. That's strange. All my tests were done in mintty. Would it help if I sent some strace output and/or a gdb backtrace? I assumed you could get those (or at least the strace output) yourself, and I didn't want to spam the list. Ken P.S. BTW, I tested today's snapshot, and the problem is still there. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-22 11:42 ` Ken Brown @ 2012-05-22 13:42 ` Corinna Vinschen 2012-05-22 13:50 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-22 13:42 UTC (permalink / raw) To: cygwin On May 22 07:42, Ken Brown wrote: > On 5/22/2012 7:28 AM, Corinna Vinschen wrote: > >On May 21 14:51, Ken Brown wrote: > >>On 5/21/2012 12:29 PM, Corinna Vinschen wrote: > >>>On May 21 11:31, Ken Brown wrote: > >>>>On 5/21/2012 6:02 AM, Ken Brown wrote: > >>>>I've discovered something strange by running emacs under gdb. If I > >>>>start emacs-24 in a terminal (but not under X) and start a shell as > >>>>you did, then every press of C-g creates a new thread, and these are > >>>>never destroyed. I'm pretty sure the threads are created by Cygwin, > >>>>not by emacs. > >>>[...] > >Somehow I'm not able to test this. When I start `emacs -Q -nw' in cmd > >or mintty, emacs takes 100% CPU for some reason. It doesn't matter if I > >try it under Cygwin 1.7.15 or current CVS. > > That's strange. All my tests were done in mintty. Would it help if > I sent some strace output and/or a gdb backtrace? I assumed you > could get those (or at least the strace output) yourself, and I > didn't want to spam the list. > > Ken > > P.S. BTW, I tested today's snapshot, and the problem is still there. I doubt that an strace is sufficient, but you could send me one created with the latest snapshot off-list, to the address I'm using in the Changelogs. Please point out the places which seem suspicious to you. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-22 13:42 ` Corinna Vinschen @ 2012-05-22 13:50 ` Corinna Vinschen 2012-05-23 12:01 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-22 13:50 UTC (permalink / raw) To: cygwin On May 22 15:41, Corinna Vinschen wrote: > On May 22 07:42, Ken Brown wrote: > > On 5/22/2012 7:28 AM, Corinna Vinschen wrote: > > >On May 21 14:51, Ken Brown wrote: > > >>On 5/21/2012 12:29 PM, Corinna Vinschen wrote: > > >>>On May 21 11:31, Ken Brown wrote: > > >>>>On 5/21/2012 6:02 AM, Ken Brown wrote: > > >>>>I've discovered something strange by running emacs under gdb. If I > > >>>>start emacs-24 in a terminal (but not under X) and start a shell as > > >>>>you did, then every press of C-g creates a new thread, and these are > > >>>>never destroyed. I'm pretty sure the threads are created by Cygwin, > > >>>>not by emacs. > > >>>[...] > > >Somehow I'm not able to test this. When I start `emacs -Q -nw' in cmd > > >or mintty, emacs takes 100% CPU for some reason. It doesn't matter if I > > >try it under Cygwin 1.7.15 or current CVS. > > > > That's strange. All my tests were done in mintty. Would it help if > > I sent some strace output and/or a gdb backtrace? I assumed you > > could get those (or at least the strace output) yourself, and I > > didn't want to spam the list. > > > > Ken > > > > P.S. BTW, I tested today's snapshot, and the problem is still there. > > I doubt that an strace is sufficient, but you could send me one created > with the latest snapshot off-list, to the address I'm using in the > Changelogs. Please point out the places which seem suspicious to you. Ouch! Hang on. I didn't test with the 24.x version, but with the old one. Sorry about that. Now I can reproduce the SEGV. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-22 13:50 ` Corinna Vinschen @ 2012-05-23 12:01 ` Ken Brown 2012-05-23 13:24 ` Ken Brown 2012-05-23 15:54 ` Corinna Vinschen 0 siblings, 2 replies; 36+ messages in thread From: Ken Brown @ 2012-05-23 12:01 UTC (permalink / raw) To: cygwin [-- Attachment #1: Type: text/plain, Size: 2042 bytes --] On 5/22/2012 9:49 AM, Corinna Vinschen wrote: > On May 22 15:41, Corinna Vinschen wrote: >> On May 22 07:42, Ken Brown wrote: >>> On 5/22/2012 7:28 AM, Corinna Vinschen wrote: >>>> On May 21 14:51, Ken Brown wrote: >>>>> On 5/21/2012 12:29 PM, Corinna Vinschen wrote: >>>>>> On May 21 11:31, Ken Brown wrote: >>>>>>> On 5/21/2012 6:02 AM, Ken Brown wrote: >>>>>>> I've discovered something strange by running emacs under gdb. If I >>>>>>> start emacs-24 in a terminal (but not under X) and start a shell as >>>>>>> you did, then every press of C-g creates a new thread, and these are >>>>>>> never destroyed. I'm pretty sure the threads are created by Cygwin, >>>>>>> not by emacs. I've gotten some more information from gdb. The crash occurs after a call to _longjmp, and gdb shows a new thread created right at that point. This doesn't happen when I run emacs under X instead of in mintty. Here's an excerpt from the gdb session, with the strange thread marked: $ gdb -p 6492 [...] Attaching to process 6048 [New Thread 6048.0x668] [New Thread 6048.0x1a5c] [New Thread 6048.0x2630] [New Thread 6048.0x1d14] Reading symbols from /home/kbrown/src/emacs/test-nox/src/emacs.exe...done. [...] (gdb) b unwind_to_catch Breakpoint 3 at 0x52aca2: file eval.c, line 1234. (gdb) c Continuing. [Switching to Thread 6048.0x668] [...] Breakpoint 3, unwind_to_catch (catch=0x28a8d0, value=12985830) at eval.c:1234 1234 catch->val = value; (gdb) n [...] 1272 _longjmp (catch->jmp, 1); (gdb) [New Thread 6048.0x1e04] <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Program received signal SIGSEGV, Segmentation fault. 0x76f3f8b1 in ntdll!RtlUpdateClonedSRWLock () from /c/windows/SysWOW64/ntdll.dll (gdb) thread apply all bt full [compressed output attached] And here's the stackdump: Exception: STATUS_ACCESS_VIOLATION at eip=610CFA77 eax=80106D50 ebx=34322D73 ecx=766231E7 edx=00000000 esi=00000001 edi=00000050 ebp=048FACC8 esp=048FACA0 program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid 6492, thread pipesel Ken [-- Attachment #2: bt.out.bz2 --] [-- Type: application/octet-stream, Size: 2904 bytes --] [-- Attachment #3: Type: text/plain, Size: 218 bytes --] -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-23 12:01 ` Ken Brown @ 2012-05-23 13:24 ` Ken Brown 2012-05-23 15:54 ` Corinna Vinschen 1 sibling, 0 replies; 36+ messages in thread From: Ken Brown @ 2012-05-23 13:24 UTC (permalink / raw) To: cygwin [-- Attachment #1: Type: text/plain, Size: 2042 bytes --] On 5/22/2012 9:49 AM, Corinna Vinschen wrote: > On May 22 15:41, Corinna Vinschen wrote: >> On May 22 07:42, Ken Brown wrote: >>> On 5/22/2012 7:28 AM, Corinna Vinschen wrote: >>>> On May 21 14:51, Ken Brown wrote: >>>>> On 5/21/2012 12:29 PM, Corinna Vinschen wrote: >>>>>> On May 21 11:31, Ken Brown wrote: >>>>>>> On 5/21/2012 6:02 AM, Ken Brown wrote: >>>>>>> I've discovered something strange by running emacs under gdb. If I >>>>>>> start emacs-24 in a terminal (but not under X) and start a shell as >>>>>>> you did, then every press of C-g creates a new thread, and these are >>>>>>> never destroyed. I'm pretty sure the threads are created by Cygwin, >>>>>>> not by emacs. I've gotten some more information from gdb. The crash occurs after a call to _longjmp, and gdb shows a new thread created right at that point. This doesn't happen when I run emacs under X instead of in mintty. Here's an excerpt from the gdb session, with the strange thread marked: $ gdb -p 6492 [...] Attaching to process 6048 [New Thread 6048.0x668] [New Thread 6048.0x1a5c] [New Thread 6048.0x2630] [New Thread 6048.0x1d14] Reading symbols from /home/kbrown/src/emacs/test-nox/src/emacs.exe...done. [...] (gdb) b unwind_to_catch Breakpoint 3 at 0x52aca2: file eval.c, line 1234. (gdb) c Continuing. [Switching to Thread 6048.0x668] [...] Breakpoint 3, unwind_to_catch (catch=0x28a8d0, value=12985830) at eval.c:1234 1234 catch->val = value; (gdb) n [...] 1272 _longjmp (catch->jmp, 1); (gdb) [New Thread 6048.0x1e04] <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Program received signal SIGSEGV, Segmentation fault. 0x76f3f8b1 in ntdll!RtlUpdateClonedSRWLock () from /c/windows/SysWOW64/ntdll.dll (gdb) thread apply all bt full [compressed output attached] And here's the stackdump: Exception: STATUS_ACCESS_VIOLATION at eip=610CFA77 eax=80106D50 ebx=34322D73 ecx=766231E7 edx=00000000 esi=00000001 edi=00000050 ebp=048FACC8 esp=048FACA0 program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid 6492, thread pipesel Ken [-- Attachment #2: bt.out.bz2 --] [-- Type: application/octet-stream, Size: 2904 bytes --] [-- Attachment #3: Type: text/plain, Size: 218 bytes --] -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-23 12:01 ` Ken Brown 2012-05-23 13:24 ` Ken Brown @ 2012-05-23 15:54 ` Corinna Vinschen 2012-05-23 16:03 ` Ken Brown 1 sibling, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-23 15:54 UTC (permalink / raw) To: cygwin On May 23 08:00, Ken Brown wrote: > I've gotten some more information from gdb. The crash occurs after > a call to _longjmp, and gdb shows a new thread created right at that > point. This doesn't happen when I run emacs under X instead of in > mintty. Here's an excerpt from the gdb session, with the strange > thread marked: > > $ gdb -p 6492 > [...] > Attaching to process 6048 > [New Thread 6048.0x668] > [New Thread 6048.0x1a5c] > [New Thread 6048.0x2630] > [New Thread 6048.0x1d14] > Reading symbols from /home/kbrown/src/emacs/test-nox/src/emacs.exe...done. > [...] > (gdb) b unwind_to_catch > Breakpoint 3 at 0x52aca2: file eval.c, line 1234. > (gdb) c > Continuing. > [Switching to Thread 6048.0x668] > [...] > Breakpoint 3, unwind_to_catch (catch=0x28a8d0, value=12985830) at > eval.c:1234 > 1234 catch->val = value; > (gdb) n > [...] > 1272 _longjmp (catch->jmp, 1); > (gdb) > [New Thread 6048.0x1e04] <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< > > Program received signal SIGSEGV, Segmentation fault. I don't know what this has to do with the longjmp, but the thread which gets crated right after pressing Ctrl-G is due to a select or poll call. The descriptor is a pipe, fifo, or pty. > 0x76f3f8b1 in ntdll!RtlUpdateClonedSRWLock () from > /c/windows/SysWOW64/ntdll.dll > (gdb) thread apply all bt full > > [compressed output attached] > > And here's the stackdump: > > Exception: STATUS_ACCESS_VIOLATION at eip=610CFA77 The problem with stackdumps is that the addresses only make sense for a single version of the Cygwin DLL. If that's a self-built version, what does `addr2line -e /bin/cygwin1.dll 610CFA77' print? If it's 1.7.15, please install the cygwin-debug package and call the same addr2line. I assume the address corresponds to select.cc, line 625, but I'm quite busy with the pthread_cancel stuff, so I didn't look deeper into this problem. > eax=80106D50 ebx=34322D73 ecx=766231E7 edx=00000000 esi=00000001 > edi=00000050 > ebp=048FACC8 esp=048FACA0 > program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid > 6492, thread pipesel ^^^^^^^ Yes, that's exactly the created thread. Do you happen to know what kind of descriptor has been given to select at this point? Is that a pty master side perhaps? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-23 15:54 ` Corinna Vinschen @ 2012-05-23 16:03 ` Ken Brown 2012-05-23 16:07 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-23 16:03 UTC (permalink / raw) To: cygwin On 5/23/2012 10:15 AM, Corinna Vinschen wrote: > On May 23 08:00, Ken Brown wrote: > I don't know what this has to do with the longjmp, but the thread > which gets crated right after pressing Ctrl-G is due to a select or > poll call. The descriptor is a pipe, fifo, or pty. After the longjmp, emacs has finished processing the C-g and goes back into its idle loop, in which it repeatedly calls select. gdb doesn't normally show the threads created by select. If it did, it would always create voluminous output. Can you infer anything from the fact that it shows this one? > The problem with stackdumps is that the addresses only make sense > for a single version of the Cygwin DLL. If that's a self-built > version, what does `addr2line -e /bin/cygwin1.dll 610CFA77' print? > If it's 1.7.15, please install the cygwin-debug package and call > the same addr2line. > > I assume the address corresponds to select.cc, line 625, but I'm > quite busy with the pthread_cancel stuff, so I didn't look deeper > into this problem. Yes, that's correct. (I'm using the 20120516 snapshot.) >> eax=80106D50 ebx=34322D73 ecx=766231E7 edx=00000000 esi=00000001 >> edi=00000050 >> ebp=048FACC8 esp=048FACA0 >> program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid >> 6492, thread pipesel > ^^^^^^^ > Yes, that's exactly the created thread. Do you happen to know what > kind of descriptor has been given to select at this point? Is that > a pty master side perhaps? Based on the emacs code, I think that's right. But maybe I need to download the source for the snapshot I'm using (or build cygwin1.dll myself) so that I can step through the first call to select after the longjmp and see exactly where the crash is happening. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-23 16:03 ` Ken Brown @ 2012-05-23 16:07 ` Corinna Vinschen 2012-05-24 12:19 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-23 16:07 UTC (permalink / raw) To: cygwin On May 23 11:56, Ken Brown wrote: > On 5/23/2012 10:15 AM, Corinna Vinschen wrote: > >On May 23 08:00, Ken Brown wrote: > >I don't know what this has to do with the longjmp, but the thread > >which gets crated right after pressing Ctrl-G is due to a select or > >poll call. The descriptor is a pipe, fifo, or pty. > > After the longjmp, emacs has finished processing the C-g and goes > back into its idle loop, in which it repeatedly calls select. > > gdb doesn't normally show the threads created by select. If it did, > it would always create voluminous output. Can you infer anything > from the fact that it shows this one? > > >The problem with stackdumps is that the addresses only make sense > >for a single version of the Cygwin DLL. If that's a self-built > >version, what does `addr2line -e /bin/cygwin1.dll 610CFA77' print? > >If it's 1.7.15, please install the cygwin-debug package and call > >the same addr2line. > > > >I assume the address corresponds to select.cc, line 625, but I'm > >quite busy with the pthread_cancel stuff, so I didn't look deeper > >into this problem. > > Yes, that's correct. (I'm using the 20120516 snapshot.) > > >>eax=80106D50 ebx=34322D73 ecx=766231E7 edx=00000000 esi=00000001 > >>edi=00000050 > >>ebp=048FACC8 esp=048FACA0 > >>program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid > >>6492, thread pipesel > > ^^^^^^^ > >Yes, that's exactly the created thread. Do you happen to know what > >kind of descriptor has been given to select at this point? Is that > >a pty master side perhaps? > > Based on the emacs code, I think that's right. But maybe I need to > download the source for the snapshot I'm using (or build cygwin1.dll > myself) so that I can step through the first call to select after > the longjmp and see exactly where the crash is happening. That would be most helpful. I don't grok this crash. It's one of the "this should never possibly happen" kind... Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-23 16:07 ` Corinna Vinschen @ 2012-05-24 12:19 ` Ken Brown 2012-05-25 10:12 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-24 12:19 UTC (permalink / raw) To: cygwin [-- Attachment #1: Type: text/plain, Size: 8887 bytes --] On 5/23/2012 12:02 PM, Corinna Vinschen wrote: > On May 23 11:56, Ken Brown wrote: >> On 5/23/2012 10:15 AM, Corinna Vinschen wrote: >>> On May 23 08:00, Ken Brown wrote: >>> I don't know what this has to do with the longjmp, but the thread >>> which gets crated right after pressing Ctrl-G is due to a select or >>> poll call. The descriptor is a pipe, fifo, or pty. >> >> After the longjmp, emacs has finished processing the C-g and goes >> back into its idle loop, in which it repeatedly calls select. >> >> gdb doesn't normally show the threads created by select. If it did, >> it would always create voluminous output. Can you infer anything >> from the fact that it shows this one? >> >>> The problem with stackdumps is that the addresses only make sense >>> for a single version of the Cygwin DLL. If that's a self-built >>> version, what does `addr2line -e /bin/cygwin1.dll 610CFA77' print? >>> If it's 1.7.15, please install the cygwin-debug package and call >>> the same addr2line. >>> >>> I assume the address corresponds to select.cc, line 625, but I'm >>> quite busy with the pthread_cancel stuff, so I didn't look deeper >>> into this problem. >> >> Yes, that's correct. (I'm using the 20120516 snapshot.) >> >>>> eax=80106D50 ebx=34322D73 ecx=766231E7 edx=00000000 esi=00000001 >>>> edi=00000050 >>>> ebp=048FACC8 esp=048FACA0 >>>> program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid >>>> 6492, thread pipesel >>> ^^^^^^^ >>> Yes, that's exactly the created thread. Do you happen to know what >>> kind of descriptor has been given to select at this point? Is that >>> a pty master side perhaps? >> >> Based on the emacs code, I think that's right. But maybe I need to >> download the source for the snapshot I'm using (or build cygwin1.dll >> myself) so that I can step through the first call to select after >> the longjmp and see exactly where the crash is happening. > > That would be most helpful. I don't grok this crash. It's one of > the "this should never possibly happen" kind... I'm now using an unoptimized build of the 20120523 snapshot. The gdb session is below. I first started emacs and started the shell process; this guarantees that when emacs calls select, one of the descriptors is a pty master. Then I attached gdb and put a breakpoint at the emacs function unwind_to_catch, which is triggered when I press C-g. It took two presses of C-g to get the crash. I think the rest is self-explanatory. (gdb) b unwind_to_catch Breakpoint 3 at 0x52aca2: file eval.c, line 1234. (gdb) c Continuing. [Switching to Thread 860.0x2390] Breakpoint 3, unwind_to_catch (catch=0x28a8d0, value=12929854) at eval.c:1234 1234 catch->val = value; (gdb) b thread_pipe Breakpoint 4 at 0x610d871a: file /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc, line 618. (gdb) n 1237 set_poll_suppress_count (catch->poll_suppress_count); [stepping through unwind_to_catch...] 1272 _longjmp (catch->jmp, 1); (gdb) [Switching to Thread 860.0x1d8c] Breakpoint 4, thread_pipe (arg=0x80104d00) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:618 618 select_pipe_info *pi = (select_pipe_info *) arg; (gdb) n 619 DWORD sleep_time = 0; (gdb) 620 bool looping = true; (gdb) 622 while (looping) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 625 if (s->startup == start_thread_pipe) (gdb) 627 if (peek_pipe (s, true)) (gdb) 629 if (pi->stop_thread) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 625 if (s->startup == start_thread_pipe) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 636 if (!looping) (gdb) 638 Sleep (sleep_time >> 3); (gdb) 639 if (sleep_time < 80) (gdb) 640 ++sleep_time; (gdb) 641 if (pi->stop_thread) (gdb) 622 while (looping) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 625 if (s->startup == start_thread_pipe) (gdb) 627 if (peek_pipe (s, true)) (gdb) 629 if (pi->stop_thread) (gdb) 631 select_printf ("stopping"); (gdb) 632 looping = false; (gdb) 633 break; (gdb) 636 if (!looping) (gdb) 637 break; (gdb) 644 return 0; (gdb) 645 } (gdb) cygthread::callfunc (this=0x6119e080, issimplestub=false) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/cygthread.cc:53 53 } (gdb) c Continuing. Breakpoint 4, thread_pipe (arg=0x80104cf0) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:618 618 select_pipe_info *pi = (select_pipe_info *) arg; (gdb) disable 4 (gdb) c Continuing. [Switching to Thread 860.0x2390] Breakpoint 3, unwind_to_catch (catch=0x28a8d0, value=12996910) at eval.c:1234 1234 catch->val = value; [stepping through unwind_to_catch...] 1272 _longjmp (catch->jmp, 1); (gdb) [New Thread 860.0x2280] <<<<<<<<<<<<<<<<<<<<<<<<<<< [Switching to Thread 860.0x2280] Breakpoint 4, thread_pipe (arg=0x80104d00) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:618 618 select_pipe_info *pi = (select_pipe_info *) arg; (gdb) n 619 DWORD sleep_time = 0; (gdb) 620 bool looping = true; (gdb) 622 while (looping) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 625 if (s->startup == start_thread_pipe) (gdb) 627 if (peek_pipe (s, true)) (gdb) 629 if (pi->stop_thread) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 625 if (s->startup == start_thread_pipe) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 636 if (!looping) (gdb) 638 Sleep (sleep_time >> 3); (gdb) 639 if (sleep_time < 80) (gdb) 640 ++sleep_time; (gdb) 641 if (pi->stop_thread) (gdb) 622 while (looping) (gdb) 624 for (select_record *s = pi->start; (s = s->next); ) (gdb) 625 if (s->startup == start_thread_pipe) (gdb) 627 if (peek_pipe (s, true)) (gdb) Program received signal SIGTRAP, Trace/breakpoint trap. [Switching to Thread 860.0x1d8c] 0x610d87df in thread_pipe (arg=0x80104cf0) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:638 638 Sleep (sleep_time >> 3); (gdb) n Program received signal SIGILL, Illegal instruction. 0x610d87df in thread_pipe (arg=0x80104cf0) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:638 638 Sleep (sleep_time >> 3); (gdb) n Program received signal SIGILL, Illegal instruction. 0x610d87df in thread_pipe (arg=0x80104cf0) at /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:638 638 Sleep (sleep_time >> 3); (gdb) n Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 860.0x2390] 0x76f3f8b1 in ntdll!RtlUpdateClonedSRWLock () from /c/windows/SysWOW64/ntdll.dll (gdb) thread apply all bt full [compressed output attached] The stackdump this time contains only one line: Exception: STATUS_PRIVILEGED_INSTRUCTION at eip=610D87DF But the following was printed on the terminal: eax=9FA8007D ebx=079ACE64 ecx=766231E7 edx=00000000 esi=00000000 edi=00000000 ebp=079AACA8 esp=079AAC80 program=C:\cygwin\home\kbrown\src\emacs\test-nox\src\emacs.exe, pid 9636, thread pipesel cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B Stack trace: Frame Function Args 079AACA8 610D873E (80104830, 00000000, 00000000, 00000000) 079AACE8 61003902 (611B048C, 00000000, 00000000, 00000000) 079AFF88 61003AC4 (6119E470, 079AFFD4, 76F59EF2, 6119E470) 079AFF94 74F6339A (6119E470, 5A1FC24C, 00000000, 00000000) 079AFFD4 76F59EF2 (61083BE2, 6119E470, 00000000, 00000000) Segmentation fault $ addr2line -e /bin/cygwin1.dll 610D87DF /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/select.cc:638 $ addr2line -e /bin/cygwin1.dll 61003902 /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/cygthread.cc:51 $ addr2line -e /bin/cygwin1.dll 61003AC4 /home/kbrown/src/cygwin/cygwin-20120523-1/src/cygwin-snapshot-20120523-1/winsup/cygwin/cygthread.cc:101 I still wonder why gdb shows the creation of that one pipesel thread that I marked. Let me know if there's some other place I should be setting a breakpoint in order to track this down. Ken [-- Attachment #2: bt.out.bz2 --] [-- Type: application/octet-stream, Size: 4615 bytes --] [-- Attachment #3: Type: text/plain, Size: 218 bytes --] -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-24 12:19 ` Ken Brown @ 2012-05-25 10:12 ` Corinna Vinschen 2012-05-25 10:39 ` Noel Grandin 2012-05-25 12:46 ` Ken Brown 0 siblings, 2 replies; 36+ messages in thread From: Corinna Vinschen @ 2012-05-25 10:12 UTC (permalink / raw) To: cygwin On May 24 08:17, Ken Brown wrote: > On 5/23/2012 12:02 PM, Corinna Vinschen wrote: > >On May 23 11:56, Ken Brown wrote: > >>Based on the emacs code, I think that's right. But maybe I need to > >>download the source for the snapshot I'm using (or build cygwin1.dll > >>myself) so that I can step through the first call to select after > >>the longjmp and see exactly where the crash is happening. > > > >That would be most helpful. I don't grok this crash. It's one of > >the "this should never possibly happen" kind... > > I'm now using an unoptimized build of the 20120523 snapshot. The > gdb session is below. I first started emacs and started the shell > process; this guarantees that when emacs calls select, one of the > descriptors is a pty master. Then I attached gdb and put a > breakpoint at the emacs function unwind_to_catch, which is triggered > when I press C-g. It took two presses of C-g to get the crash. I > think the rest is self-explanatory. Just to let you know, I looked into this on and off yesterday, but I still don't understand what's going on. In theory starting the new thread should be harmless. The threads in Cygwin are "cygthreads", which is our own thread pool implementation. It doesn't stop existing threads but reuses them. Only if all cygthreads are still in use, another one is started and added to the pool. I'll look further into this, but I am wondering about this: Is the new Fsignal/Fthrow implementation so much different than the old one in emacs 23.x? If not, why does it work in 23.x? Any chance 24.x produces a stack or heap corruption? Double free or something? And then again, do we know if 24.x works on older Cygwin release or snapshots? If it's a Cygwin problem, it might help to nail it down. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 10:12 ` Corinna Vinschen @ 2012-05-25 10:39 ` Noel Grandin 2012-05-25 12:46 ` Ken Brown 1 sibling, 0 replies; 36+ messages in thread From: Noel Grandin @ 2012-05-25 10:39 UTC (permalink / raw) To: cygwin On 2012-05-25 12:03, Corinna Vinschen wrote: > I'll look further into this, but I am wondering about this: Is the new > Fsignal/Fthrow implementation so much different than the old one in > emacs 23.x? If not, why does it work in 23.x? Any chance 24.x produces > a stack or heap corruption? Double free or something? And then again, > do we know if 24.x works on older Cygwin release or snapshots? If it's > a Cygwin problem, it might help to nail it down. Corinna Might be worth running it under Dr Memory to check this. http://www.drmemory.org/ -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 10:12 ` Corinna Vinschen 2012-05-25 10:39 ` Noel Grandin @ 2012-05-25 12:46 ` Ken Brown 2012-05-25 13:05 ` Corinna Vinschen 1 sibling, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-25 12:46 UTC (permalink / raw) To: cygwin On 5/25/2012 6:03 AM, Corinna Vinschen wrote: > On May 24 08:17, Ken Brown wrote: >> On 5/23/2012 12:02 PM, Corinna Vinschen wrote: >>> On May 23 11:56, Ken Brown wrote: >>>> Based on the emacs code, I think that's right. But maybe I need to >>>> download the source for the snapshot I'm using (or build cygwin1.dll >>>> myself) so that I can step through the first call to select after >>>> the longjmp and see exactly where the crash is happening. >>> >>> That would be most helpful. I don't grok this crash. It's one of >>> the "this should never possibly happen" kind... >> >> I'm now using an unoptimized build of the 20120523 snapshot. The >> gdb session is below. I first started emacs and started the shell >> process; this guarantees that when emacs calls select, one of the >> descriptors is a pty master. Then I attached gdb and put a >> breakpoint at the emacs function unwind_to_catch, which is triggered >> when I press C-g. It took two presses of C-g to get the crash. I >> think the rest is self-explanatory. > > Just to let you know, I looked into this on and off yesterday, but I > still don't understand what's going on. > > In theory starting the new thread should be harmless. The threads in > Cygwin are "cygthreads", which is our own thread pool implementation. > It doesn't stop existing threads but reuses them. Only if all > cygthreads are still in use, another one is started and added to the > pool. > > I'll look further into this, but I am wondering about this: Is the > new Fsignal/Fthrow implementation so much different than the old one > in emacs 23.x? If not, why does it work in 23.x? Any chance 24.x > produces a stack or heap corruption? Double free or something? There's nothing that jumps out at me. > And then again, do we know if 24.x works on older Cygwin release or > snapshots? If it's a Cygwin problem, it might help to nail it down. It works on the 20120111 snapshot but fails on the 20120122 snapshot. Thanks for suggesting this. It should have been the first thing I checked. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 12:46 ` Ken Brown @ 2012-05-25 13:05 ` Corinna Vinschen 2012-05-25 14:49 ` Corinna Vinschen 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-25 13:05 UTC (permalink / raw) To: cygwin On May 25 08:45, Ken Brown wrote: > On 5/25/2012 6:03 AM, Corinna Vinschen wrote: > >And then again, do we know if 24.x works on older Cygwin release or > >snapshots? If it's a Cygwin problem, it might help to nail it down. > > It works on the 20120111 snapshot but fails on the 20120122 > snapshot. Thanks for suggesting this. It should have been the first > thing I checked. Cool! That only leaves three checkins to be the culprit. I'm not sure I can get to it over the weekend (and Monday is a holiday here), but I'll certainly try to track it down next week. Thanks, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 13:05 ` Corinna Vinschen @ 2012-05-25 14:49 ` Corinna Vinschen 2012-05-25 19:44 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Corinna Vinschen @ 2012-05-25 14:49 UTC (permalink / raw) To: cygwin On May 25 15:03, Corinna Vinschen wrote: > On May 25 08:45, Ken Brown wrote: > > On 5/25/2012 6:03 AM, Corinna Vinschen wrote: > > >And then again, do we know if 24.x works on older Cygwin release or > > >snapshots? If it's a Cygwin problem, it might help to nail it down. > > > > It works on the 20120111 snapshot but fails on the 20120122 > > snapshot. Thanks for suggesting this. It should have been the first > > thing I checked. > > Cool! That only leaves three checkins to be the culprit. I'm not > sure I can get to it over the weekend (and Monday is a holiday here), > but I'll certainly try to track it down next week. Ok, I had a look already and I see where the problem is, but that doesn't mean I understand it yet. C-g results in calling an emacs signal handler from select. Up to the change from 20120122 in select.cc, all select threads have been stopped before the signal handler is called. This works fine. After the change from 20120122, the signal handler is called first, and only afterwards the select threads are cleaned up. This results in starting another pipesel thread and the subsequent crash. I applied a patch which calls the signal handler after cleanup. The downside is that the signal handler is only called if select is called from the main thread. A better patch would perhaps be to stop all threads, call the signal handler, and restart the threads afterwards, but this is more tricky. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 14:49 ` Corinna Vinschen @ 2012-05-25 19:44 ` Ken Brown 2012-05-25 20:10 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-25 19:44 UTC (permalink / raw) To: cygwin On 5/25/2012 10:35 AM, Corinna Vinschen wrote: > On May 25 15:03, Corinna Vinschen wrote: >> On May 25 08:45, Ken Brown wrote: >>> On 5/25/2012 6:03 AM, Corinna Vinschen wrote: >>>> And then again, do we know if 24.x works on older Cygwin release or >>>> snapshots? If it's a Cygwin problem, it might help to nail it down. >>> >>> It works on the 20120111 snapshot but fails on the 20120122 >>> snapshot. Thanks for suggesting this. It should have been the first >>> thing I checked. >> >> Cool! That only leaves three checkins to be the culprit. I'm not >> sure I can get to it over the weekend (and Monday is a holiday here), >> but I'll certainly try to track it down next week. > > Ok, I had a look already and I see where the problem is, but that > doesn't mean I understand it yet. > > C-g results in calling an emacs signal handler from select. Up to the > change from 20120122 in select.cc, all select threads have been stopped > before the signal handler is called. This works fine. > > After the change from 20120122, the signal handler is called first, and > only afterwards the select threads are cleaned up. This results in > starting another pipesel thread and the subsequent crash. > > I applied a patch which calls the signal handler after cleanup. The > downside is that the signal handler is only called if select is called > from the main thread. A better patch would perhaps be to stop all > threads, call the signal handler, and restart the threads afterwards, > but this is more tricky. Thanks! That fixes it. I appreciate all your work on this. I'm in the process now of testing to see if this also fixes an emacs crash I've been getting when I build emacs with GSettings support (http://cygwin.com/ml/cygwin-xfree/2012-04/msg00048.html). Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 19:44 ` Ken Brown @ 2012-05-25 20:10 ` Ken Brown 2012-06-03 3:08 ` Christopher Faylor 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-05-25 20:10 UTC (permalink / raw) To: cygwin On 5/25/2012 2:49 PM, Ken Brown wrote: > On 5/25/2012 10:35 AM, Corinna Vinschen wrote: >> I applied a patch which calls the signal handler after cleanup. The >> downside is that the signal handler is only called if select is called >> from the main thread. A better patch would perhaps be to stop all >> threads, call the signal handler, and restart the threads afterwards, >> but this is more tricky. > > Thanks! That fixes it. I appreciate all your work on this. > > I'm in the process now of testing to see if this also fixes an emacs > crash I've been getting when I build emacs with GSettings support > (http://cygwin.com/ml/cygwin-xfree/2012-04/msg00048.html). Here's what I'm now seeing with that build. If I start emacs and do 'M-x shell', emacs hangs (but doesn't crash). Attaching gdb and doing a backtrace of all threads, I see that cygwin_select has been called in two threads other than the main one: Thread 8 (Thread 2784.0x19c): #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () from /c/windows/SysWOW64/ntdll.dll #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () from /c/windows/SysWOW64/ntdll.dll #2 0x74fe0bdd in WaitForMultipleObjectsEx () from /c/windows/syswow64/KERNELBASE.dll #3 0x00000004 in ?? () #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () from /c/windows/syswow64/kernel32.dll #5 0xff11c868 in ?? () #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () from /c/windows/syswow64/kernel32.dll #7 0x00000004 in ?? () #8 0x610d0b24 in select_stuff::wait (this=0xff11cba4, readfds=0xff11cb00, writefds=0xff11cae0, exceptfds=0xff11cac0, ms=4294967295) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 #9 0x610d154b in cygwin_select (maxfds=13, readfds=0xff11cc70, writefds=0xff11cc50, exceptfds=0xff11cc30, to=0x0) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 #10 0x610b2b5a in poll (fds=0x8012db00, nfds=3, timeout=-1) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll #12 0xffffffff in ?? () #13 0x8012db00 in ?? () #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll #15 0x6ad96d40 in g_dbus_proxy_call_with_unix_fd_list_sync () from /usr/bin/cyggio-2.0-0.dll #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x80130e00) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 #18 0x61086f62 in thread_wrapper (arg=0x0) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 #19 0x00000000 in ?? () Thread 7 (Thread 2784.0xb4c): #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () from /c/windows/SysWOW64/ntdll.dll #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () from /c/windows/SysWOW64/ntdll.dll #2 0x74fe0bdd in WaitForMultipleObjectsEx () from /c/windows/syswow64/KERNELBASE.dll #3 0x00000003 in ?? () #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () from /c/windows/syswow64/kernel32.dll #5 0xff21c858 in ?? () #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () from /c/windows/syswow64/kernel32.dll #7 0x00000003 in ?? () #8 0x610d0b24 in select_stuff::wait (this=0xff21cb94, readfds=0xff21caf0, writefds=0xff21cad0, exceptfds=0xff21cab0, ms=4294967295) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 #9 0x610d154b in cygwin_select (maxfds=8, readfds=0xff21cc60, writefds=0xff21cc40, exceptfds=0xff21cc20, to=0x0) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 #10 0x610b2b5a in poll (fds=0x8009b3c0, nfds=1, timeout=-1) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll #12 0xffffffff in ?? () #13 0x8009b3c0 in ?? () #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll #15 0x63e32eca in gvdb_table_walk () from /usr/lib/gio/modules/cygdconfsettings.dll #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x8009c700) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 #18 0x61086f62 in thread_wrapper (arg=0x0) at /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 #19 0x00000000 in ?? () It looks like these threads are being used by GLib, which is running a loop that calls poll, which calls cygwin_select. So maybe the "better patch" that you referred to would fix this hang. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-05-25 20:10 ` Ken Brown @ 2012-06-03 3:08 ` Christopher Faylor 2012-06-03 12:55 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Christopher Faylor @ 2012-06-03 3:08 UTC (permalink / raw) To: cygwin On Fri, May 25, 2012 at 04:07:32PM -0400, Ken Brown wrote: >On 5/25/2012 2:49 PM, Ken Brown wrote: >> On 5/25/2012 10:35 AM, Corinna Vinschen wrote: >>> I applied a patch which calls the signal handler after cleanup. The >>> downside is that the signal handler is only called if select is called >>> from the main thread. A better patch would perhaps be to stop all >>> threads, call the signal handler, and restart the threads afterwards, >>> but this is more tricky. >> >> Thanks! That fixes it. I appreciate all your work on this. >> >> I'm in the process now of testing to see if this also fixes an emacs >> crash I've been getting when I build emacs with GSettings support >> (http://cygwin.com/ml/cygwin-xfree/2012-04/msg00048.html). > >Here's what I'm now seeing with that build. If I start emacs and do >'M-x shell', emacs hangs (but doesn't crash). Attaching gdb and doing a >backtrace of all threads, I see that cygwin_select has been called in >two threads other than the main one: > >Thread 8 (Thread 2784.0x19c): >#0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () > from /c/windows/SysWOW64/ntdll.dll >#1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () > from /c/windows/SysWOW64/ntdll.dll >#2 0x74fe0bdd in WaitForMultipleObjectsEx () > from /c/windows/syswow64/KERNELBASE.dll >#3 0x00000004 in ?? () >#4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () > from /c/windows/syswow64/kernel32.dll >#5 0xff11c868 in ?? () >#6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () > from /c/windows/syswow64/kernel32.dll >#7 0x00000004 in ?? () >#8 0x610d0b24 in select_stuff::wait (this=0xff11cba4, readfds=0xff11cb00, > writefds=0xff11cae0, exceptfds=0xff11cac0, ms=4294967295) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >#9 0x610d154b in cygwin_select (maxfds=13, readfds=0xff11cc70, > writefds=0xff11cc50, exceptfds=0xff11cc30, to=0x0) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >#10 0x610b2b5a in poll (fds=0x8012db00, nfds=3, timeout=-1) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >#11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >#12 0xffffffff in ?? () >#13 0x8012db00 in ?? () >#14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >#15 0x6ad96d40 in g_dbus_proxy_call_with_unix_fd_list_sync () > from /usr/bin/cyggio-2.0-0.dll >#16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >#17 0x610fca42 in pthread::thread_init_wrapper (arg=0x80130e00) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >#18 0x61086f62 in thread_wrapper (arg=0x0) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >#19 0x00000000 in ?? () > >Thread 7 (Thread 2784.0xb4c): >#0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () > from /c/windows/SysWOW64/ntdll.dll >#1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () > from /c/windows/SysWOW64/ntdll.dll >#2 0x74fe0bdd in WaitForMultipleObjectsEx () > from /c/windows/syswow64/KERNELBASE.dll >#3 0x00000003 in ?? () >#4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () > from /c/windows/syswow64/kernel32.dll >#5 0xff21c858 in ?? () >#6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () > from /c/windows/syswow64/kernel32.dll >#7 0x00000003 in ?? () >#8 0x610d0b24 in select_stuff::wait (this=0xff21cb94, readfds=0xff21caf0, > writefds=0xff21cad0, exceptfds=0xff21cab0, ms=4294967295) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >#9 0x610d154b in cygwin_select (maxfds=8, readfds=0xff21cc60, > writefds=0xff21cc40, exceptfds=0xff21cc20, to=0x0) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >#10 0x610b2b5a in poll (fds=0x8009b3c0, nfds=1, timeout=-1) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >#11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >#12 0xffffffff in ?? () >#13 0x8009b3c0 in ?? () >#14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >#15 0x63e32eca in gvdb_table_walk () > from /usr/lib/gio/modules/cygdconfsettings.dll >#16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >#17 0x610fca42 in pthread::thread_init_wrapper (arg=0x8009c700) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >#18 0x61086f62 in thread_wrapper (arg=0x0) > at >/ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >#19 0x00000000 in ?? () > >It looks like these threads are being used by GLib, which is running a >loop that calls poll, which calls cygwin_select. So maybe the "better >patch" that you referred to would fix this hang. Ken, can you confirm/deny that the changes that I just made to select() at least still work as well as Corinna's temporary (that's what the ChangeLog says at least) change above? They are in the latest snapshot. cgf -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-06-03 3:08 ` Christopher Faylor @ 2012-06-03 12:55 ` Ken Brown 2012-06-03 16:53 ` Christopher Faylor 0 siblings, 1 reply; 36+ messages in thread From: Ken Brown @ 2012-06-03 12:55 UTC (permalink / raw) To: cygwin On 6/2/2012 11:08 PM, Christopher Faylor wrote: > On Fri, May 25, 2012 at 04:07:32PM -0400, Ken Brown wrote: >> On 5/25/2012 2:49 PM, Ken Brown wrote: >>> On 5/25/2012 10:35 AM, Corinna Vinschen wrote: >>>> I applied a patch which calls the signal handler after cleanup. The >>>> downside is that the signal handler is only called if select is called >>>> from the main thread. A better patch would perhaps be to stop all >>>> threads, call the signal handler, and restart the threads afterwards, >>>> but this is more tricky. >>> >>> Thanks! That fixes it. I appreciate all your work on this. >>> >>> I'm in the process now of testing to see if this also fixes an emacs >>> crash I've been getting when I build emacs with GSettings support >>> (http://cygwin.com/ml/cygwin-xfree/2012-04/msg00048.html). >> >> Here's what I'm now seeing with that build. If I start emacs and do >> 'M-x shell', emacs hangs (but doesn't crash). Attaching gdb and doing a >> backtrace of all threads, I see that cygwin_select has been called in >> two threads other than the main one: >> >> Thread 8 (Thread 2784.0x19c): >> #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >> from /c/windows/SysWOW64/ntdll.dll >> #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >> from /c/windows/SysWOW64/ntdll.dll >> #2 0x74fe0bdd in WaitForMultipleObjectsEx () >> from /c/windows/syswow64/KERNELBASE.dll >> #3 0x00000004 in ?? () >> #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () >> from /c/windows/syswow64/kernel32.dll >> #5 0xff11c868 in ?? () >> #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () >> from /c/windows/syswow64/kernel32.dll >> #7 0x00000004 in ?? () >> #8 0x610d0b24 in select_stuff::wait (this=0xff11cba4, readfds=0xff11cb00, >> writefds=0xff11cae0, exceptfds=0xff11cac0, ms=4294967295) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >> #9 0x610d154b in cygwin_select (maxfds=13, readfds=0xff11cc70, >> writefds=0xff11cc50, exceptfds=0xff11cc30, to=0x0) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >> #10 0x610b2b5a in poll (fds=0x8012db00, nfds=3, timeout=-1) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >> #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >> #12 0xffffffff in ?? () >> #13 0x8012db00 in ?? () >> #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >> #15 0x6ad96d40 in g_dbus_proxy_call_with_unix_fd_list_sync () >> from /usr/bin/cyggio-2.0-0.dll >> #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >> #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x80130e00) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >> #18 0x61086f62 in thread_wrapper (arg=0x0) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >> #19 0x00000000 in ?? () >> >> Thread 7 (Thread 2784.0xb4c): >> #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >> from /c/windows/SysWOW64/ntdll.dll >> #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >> from /c/windows/SysWOW64/ntdll.dll >> #2 0x74fe0bdd in WaitForMultipleObjectsEx () >> from /c/windows/syswow64/KERNELBASE.dll >> #3 0x00000003 in ?? () >> #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () >> from /c/windows/syswow64/kernel32.dll >> #5 0xff21c858 in ?? () >> #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () >> from /c/windows/syswow64/kernel32.dll >> #7 0x00000003 in ?? () >> #8 0x610d0b24 in select_stuff::wait (this=0xff21cb94, readfds=0xff21caf0, >> writefds=0xff21cad0, exceptfds=0xff21cab0, ms=4294967295) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >> #9 0x610d154b in cygwin_select (maxfds=8, readfds=0xff21cc60, >> writefds=0xff21cc40, exceptfds=0xff21cc20, to=0x0) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >> #10 0x610b2b5a in poll (fds=0x8009b3c0, nfds=1, timeout=-1) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >> #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >> #12 0xffffffff in ?? () >> #13 0x8009b3c0 in ?? () >> #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >> #15 0x63e32eca in gvdb_table_walk () >> from /usr/lib/gio/modules/cygdconfsettings.dll >> #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >> #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x8009c700) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >> #18 0x61086f62 in thread_wrapper (arg=0x0) >> at >> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >> #19 0x00000000 in ?? () >> >> It looks like these threads are being used by GLib, which is running a >> loop that calls poll, which calls cygwin_select. So maybe the "better >> patch" that you referred to would fix this hang. > > Ken, can you confirm/deny that the changes that I just made to select() > at least still work as well as Corinna's temporary (that's what the > ChangeLog says at least) change above? They are in the latest snapshot. No, they don't. There's no crash, but I'm seeing two problems in emacs and a problem with the X server. My emacs tests were done with emacs-24 in mintty on 64-bit Windows 7. I wanted to test it under X also, but I couldn't because of the X server problem. 1. When I type into emacs, it's very slow to echo the keystrokes and respond. 2. When I start a shell under emacs (<Alt-X>shell<return>), the shell doesn't finish initializing. It doesn't display a prompt, and it doesn't execute commands I type. 3. If I start the X server using the Start Menu shortcut, startxwin never finishes, and the xterm window doesn't display. I have to kill startxwin from a terminal. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-06-03 12:55 ` Ken Brown @ 2012-06-03 16:53 ` Christopher Faylor 2012-06-03 21:26 ` Ken Brown 0 siblings, 1 reply; 36+ messages in thread From: Christopher Faylor @ 2012-06-03 16:53 UTC (permalink / raw) To: cygwin On Sun, Jun 03, 2012 at 08:54:20AM -0400, Ken Brown wrote: >On 6/2/2012 11:08 PM, Christopher Faylor wrote: >> On Fri, May 25, 2012 at 04:07:32PM -0400, Ken Brown wrote: >>> On 5/25/2012 2:49 PM, Ken Brown wrote: >>>> On 5/25/2012 10:35 AM, Corinna Vinschen wrote: >>>>> I applied a patch which calls the signal handler after cleanup. The >>>>> downside is that the signal handler is only called if select is called >>>>> from the main thread. A better patch would perhaps be to stop all >>>>> threads, call the signal handler, and restart the threads afterwards, >>>>> but this is more tricky. >>>> >>>> Thanks! That fixes it. I appreciate all your work on this. >>>> >>>> I'm in the process now of testing to see if this also fixes an emacs >>>> crash I've been getting when I build emacs with GSettings support >>>> (http://cygwin.com/ml/cygwin-xfree/2012-04/msg00048.html). >>> >>> Here's what I'm now seeing with that build. If I start emacs and do >>> 'M-x shell', emacs hangs (but doesn't crash). Attaching gdb and doing a >>> backtrace of all threads, I see that cygwin_select has been called in >>> two threads other than the main one: >>> >>> Thread 8 (Thread 2784.0x19c): >>> #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>> from /c/windows/SysWOW64/ntdll.dll >>> #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>> from /c/windows/SysWOW64/ntdll.dll >>> #2 0x74fe0bdd in WaitForMultipleObjectsEx () >>> from /c/windows/syswow64/KERNELBASE.dll >>> #3 0x00000004 in ?? () >>> #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () >>> from /c/windows/syswow64/kernel32.dll >>> #5 0xff11c868 in ?? () >>> #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () >>> from /c/windows/syswow64/kernel32.dll >>> #7 0x00000004 in ?? () >>> #8 0x610d0b24 in select_stuff::wait (this=0xff11cba4, readfds=0xff11cb00, >>> writefds=0xff11cae0, exceptfds=0xff11cac0, ms=4294967295) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >>> #9 0x610d154b in cygwin_select (maxfds=13, readfds=0xff11cc70, >>> writefds=0xff11cc50, exceptfds=0xff11cc30, to=0x0) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >>> #10 0x610b2b5a in poll (fds=0x8012db00, nfds=3, timeout=-1) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >>> #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >>> #12 0xffffffff in ?? () >>> #13 0x8012db00 in ?? () >>> #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >>> #15 0x6ad96d40 in g_dbus_proxy_call_with_unix_fd_list_sync () >>> from /usr/bin/cyggio-2.0-0.dll >>> #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >>> #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x80130e00) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >>> #18 0x61086f62 in thread_wrapper (arg=0x0) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >>> #19 0x00000000 in ?? () >>> >>> Thread 7 (Thread 2784.0xb4c): >>> #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>> from /c/windows/SysWOW64/ntdll.dll >>> #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>> from /c/windows/SysWOW64/ntdll.dll >>> #2 0x74fe0bdd in WaitForMultipleObjectsEx () >>> from /c/windows/syswow64/KERNELBASE.dll >>> #3 0x00000003 in ?? () >>> #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () >>> from /c/windows/syswow64/kernel32.dll >>> #5 0xff21c858 in ?? () >>> #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () >>> from /c/windows/syswow64/kernel32.dll >>> #7 0x00000003 in ?? () >>> #8 0x610d0b24 in select_stuff::wait (this=0xff21cb94, readfds=0xff21caf0, >>> writefds=0xff21cad0, exceptfds=0xff21cab0, ms=4294967295) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >>> #9 0x610d154b in cygwin_select (maxfds=8, readfds=0xff21cc60, >>> writefds=0xff21cc40, exceptfds=0xff21cc20, to=0x0) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >>> #10 0x610b2b5a in poll (fds=0x8009b3c0, nfds=1, timeout=-1) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >>> #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >>> #12 0xffffffff in ?? () >>> #13 0x8009b3c0 in ?? () >>> #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >>> #15 0x63e32eca in gvdb_table_walk () >>> from /usr/lib/gio/modules/cygdconfsettings.dll >>> #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >>> #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x8009c700) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >>> #18 0x61086f62 in thread_wrapper (arg=0x0) >>> at >>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >>> #19 0x00000000 in ?? () >>> >>> It looks like these threads are being used by GLib, which is running a >>> loop that calls poll, which calls cygwin_select. So maybe the "better >>> patch" that you referred to would fix this hang. >> >> Ken, can you confirm/deny that the changes that I just made to select() >> at least still work as well as Corinna's temporary (that's what the >> ChangeLog says at least) change above? They are in the latest snapshot. > >No, they don't. There's no crash, but I'm seeing two problems in emacs >and a problem with the X server. My emacs tests were done with emacs-24 >in mintty on 64-bit Windows 7. I wanted to test it under X also, but I >couldn't because of the X server problem. > >1. When I type into emacs, it's very slow to echo the keystrokes and >respond. > >2. When I start a shell under emacs (<Alt-X>shell<return>), the shell >doesn't finish initializing. It doesn't display a prompt, and it >doesn't execute commands I type. > >3. If I start the X server using the Start Menu shortcut, startxwin >never finishes, and the xterm window doesn't display. I have to kill >startxwin from a terminal. All of the above should be fixed in the upcoming snapshot. Sorry for wasting your time with this. It was late and I didn't do the basic checking that I should have before checking this in. I had a very stupid typo in the last snapshot. cgf -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
* Re: "emacs -nw" hangs in a terminal 2012-06-03 16:53 ` Christopher Faylor @ 2012-06-03 21:26 ` Ken Brown 0 siblings, 0 replies; 36+ messages in thread From: Ken Brown @ 2012-06-03 21:26 UTC (permalink / raw) To: cygwin On 6/3/2012 12:52 PM, Christopher Faylor wrote: > On Sun, Jun 03, 2012 at 08:54:20AM -0400, Ken Brown wrote: >> On 6/2/2012 11:08 PM, Christopher Faylor wrote: >>> On Fri, May 25, 2012 at 04:07:32PM -0400, Ken Brown wrote: >>>> On 5/25/2012 2:49 PM, Ken Brown wrote: >>>>> On 5/25/2012 10:35 AM, Corinna Vinschen wrote: >>>>>> I applied a patch which calls the signal handler after cleanup. The >>>>>> downside is that the signal handler is only called if select is called >>>>>> from the main thread. A better patch would perhaps be to stop all >>>>>> threads, call the signal handler, and restart the threads afterwards, >>>>>> but this is more tricky. >>>>> >>>>> Thanks! That fixes it. I appreciate all your work on this. >>>>> >>>>> I'm in the process now of testing to see if this also fixes an emacs >>>>> crash I've been getting when I build emacs with GSettings support >>>>> (http://cygwin.com/ml/cygwin-xfree/2012-04/msg00048.html). >>>> >>>> Here's what I'm now seeing with that build. If I start emacs and do >>>> 'M-x shell', emacs hangs (but doesn't crash). Attaching gdb and doing a >>>> backtrace of all threads, I see that cygwin_select has been called in >>>> two threads other than the main one: >>>> >>>> Thread 8 (Thread 2784.0x19c): >>>> #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>>> from /c/windows/SysWOW64/ntdll.dll >>>> #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>>> from /c/windows/SysWOW64/ntdll.dll >>>> #2 0x74fe0bdd in WaitForMultipleObjectsEx () >>>> from /c/windows/syswow64/KERNELBASE.dll >>>> #3 0x00000004 in ?? () >>>> #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () >>>> from /c/windows/syswow64/kernel32.dll >>>> #5 0xff11c868 in ?? () >>>> #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () >>>> from /c/windows/syswow64/kernel32.dll >>>> #7 0x00000004 in ?? () >>>> #8 0x610d0b24 in select_stuff::wait (this=0xff11cba4, readfds=0xff11cb00, >>>> writefds=0xff11cae0, exceptfds=0xff11cac0, ms=4294967295) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >>>> #9 0x610d154b in cygwin_select (maxfds=13, readfds=0xff11cc70, >>>> writefds=0xff11cc50, exceptfds=0xff11cc30, to=0x0) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >>>> #10 0x610b2b5a in poll (fds=0x8012db00, nfds=3, timeout=-1) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >>>> #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >>>> #12 0xffffffff in ?? () >>>> #13 0x8012db00 in ?? () >>>> #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >>>> #15 0x6ad96d40 in g_dbus_proxy_call_with_unix_fd_list_sync () >>>> from /usr/bin/cyggio-2.0-0.dll >>>> #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >>>> #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x80130e00) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >>>> #18 0x61086f62 in thread_wrapper (arg=0x0) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >>>> #19 0x00000000 in ?? () >>>> >>>> Thread 7 (Thread 2784.0xb4c): >>>> #0 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>>> from /c/windows/SysWOW64/ntdll.dll >>>> #1 0x7702013d in ntdll!RtlEnableEarlyCriticalSectionEventCreation () >>>> from /c/windows/SysWOW64/ntdll.dll >>>> #2 0x74fe0bdd in WaitForMultipleObjectsEx () >>>> from /c/windows/syswow64/KERNELBASE.dll >>>> #3 0x00000003 in ?? () >>>> #4 0x74ed1a2c in KERNEL32!GetVolumePathNamesForVolumeNameA () >>>> from /c/windows/syswow64/kernel32.dll >>>> #5 0xff21c858 in ?? () >>>> #6 0x74ed4208 in KERNEL32!CheckForReadOnlyResource () >>>> from /c/windows/syswow64/kernel32.dll >>>> #7 0x00000003 in ?? () >>>> #8 0x610d0b24 in select_stuff::wait (this=0xff21cb94, readfds=0xff21caf0, >>>> writefds=0xff21cad0, exceptfds=0xff21cab0, ms=4294967295) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:320 >>>> #9 0x610d154b in cygwin_select (maxfds=8, readfds=0xff21cc60, >>>> writefds=0xff21cc40, exceptfds=0xff21cc20, to=0x0) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/select.cc:158 >>>> #10 0x610b2b5a in poll (fds=0x8009b3c0, nfds=1, timeout=-1) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/poll.cc:87 >>>> #11 0x610d5575 in _sigfe () from /usr/bin/cygwin1.dll >>>> #12 0xffffffff in ?? () >>>> #13 0x8009b3c0 in ?? () >>>> #14 0x6ac1e759 in g_main_loop_run () from /usr/bin/cygglib-2.0-0.dll >>>> #15 0x63e32eca in gvdb_table_walk () >>>> from /usr/lib/gio/modules/cygdconfsettings.dll >>>> #16 0x6ac401ef in g_thread_proxy () from /usr/bin/cygglib-2.0-0.dll >>>> #17 0x610fca42 in pthread::thread_init_wrapper (arg=0x8009c700) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/thread.cc:2104 >>>> #18 0x61086f62 in thread_wrapper (arg=0x0) >>>> at >>>> /ext/build/netrel/src/cygwin-snapshot-20120525-1/winsup/cygwin/miscfuncs.cc:547 >>>> #19 0x00000000 in ?? () >>>> >>>> It looks like these threads are being used by GLib, which is running a >>>> loop that calls poll, which calls cygwin_select. So maybe the "better >>>> patch" that you referred to would fix this hang. >>> >>> Ken, can you confirm/deny that the changes that I just made to select() >>> at least still work as well as Corinna's temporary (that's what the >>> ChangeLog says at least) change above? They are in the latest snapshot. >> >> No, they don't. There's no crash, but I'm seeing two problems in emacs >> and a problem with the X server. My emacs tests were done with emacs-24 >> in mintty on 64-bit Windows 7. I wanted to test it under X also, but I >> couldn't because of the X server problem. >> >> 1. When I type into emacs, it's very slow to echo the keystrokes and >> respond. >> >> 2. When I start a shell under emacs (<Alt-X>shell<return>), the shell >> doesn't finish initializing. It doesn't display a prompt, and it >> doesn't execute commands I type. >> >> 3. If I start the X server using the Start Menu shortcut, startxwin >> never finishes, and the xterm window doesn't display. I have to kill >> startxwin from a terminal. > > All of the above should be fixed in the upcoming snapshot. Confirmed. Everything seems to work as it did after Corinna's change. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple ^ permalink raw reply [flat|nested] 36+ messages in thread
end of thread, other threads:[~2012-06-03 21:26 UTC | newest] Thread overview: 36+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-05-14 12:31 "emacs -nw" hangs in a terminal cygwin 2012-05-14 13:58 ` Ken Brown 2012-05-15 11:00 ` Filipp Gunbin 2012-05-15 11:47 ` Ken Brown 2012-05-15 12:17 ` Filipp Gunbin 2012-05-15 12:27 ` Filipp Gunbin 2012-05-15 13:37 ` Ken Brown 2012-05-15 14:28 ` Filipp Gunbin 2012-05-16 16:04 ` Ken Brown 2012-05-21 8:12 ` Filipp Gunbin 2012-05-21 8:50 ` Filipp Gunbin 2012-05-21 10:03 ` Ken Brown 2012-05-21 15:32 ` Ken Brown 2012-05-21 16:29 ` Corinna Vinschen 2012-05-21 18:51 ` Ken Brown 2012-05-22 11:29 ` Corinna Vinschen 2012-05-22 11:42 ` Ken Brown 2012-05-22 13:42 ` Corinna Vinschen 2012-05-22 13:50 ` Corinna Vinschen 2012-05-23 12:01 ` Ken Brown 2012-05-23 13:24 ` Ken Brown 2012-05-23 15:54 ` Corinna Vinschen 2012-05-23 16:03 ` Ken Brown 2012-05-23 16:07 ` Corinna Vinschen 2012-05-24 12:19 ` Ken Brown 2012-05-25 10:12 ` Corinna Vinschen 2012-05-25 10:39 ` Noel Grandin 2012-05-25 12:46 ` Ken Brown 2012-05-25 13:05 ` Corinna Vinschen 2012-05-25 14:49 ` Corinna Vinschen 2012-05-25 19:44 ` Ken Brown 2012-05-25 20:10 ` Ken Brown 2012-06-03 3:08 ` Christopher Faylor 2012-06-03 12:55 ` Ken Brown 2012-06-03 16:53 ` Christopher Faylor 2012-06-03 21:26 ` Ken Brown
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