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* [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding.
@ 2008-06-18 19:35 pluto at agmk dot net
2008-06-18 19:36 ` [Bug target/36568] " pluto at agmk dot net
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: pluto at agmk dot net @ 2008-06-18 19:35 UTC (permalink / raw)
To: gcc-bugs
test w/o threads:
$ ./u
0x400a74 handler+0x1a
0x400a95 crash+0x10
0x400afd main+0x60
0x7fa92f9e74a4 __libc_start_main+0xf4
test w/ threads:
$ ./u threaded
0x400a74 handler+0x1a
0x400a95 crash+0x10
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
0x7fcea7803a3d clone+0x6d
(...)
gdb stops unwinding at clone():
$ gdb ./u
(gdb) set args threaded
(gdb) r
(...)
[New Thread 0x7fdd9636b6f0 (LWP 7318)]
[New Thread 0x42501950 (LWP 7322)]
(...)
Breakpoint 2, handler (signalNumber=11) at u.c:25
25 _Unwind_Backtrace( helper, 0 );
(gdb) bt
#0 handler (signalNumber=11) at u.c:25
#1 <signal handler called>
#2 0x0000000000400a95 in crash () at u.c:32
#3 0x00007fa0eef04070 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fa0eea6da3d in clone () from /lib64/libc.so.6
gcc-4.2.4-1.x86_64
glibc-2.8-3.x86_64
gdb-6.8-1.x86_64
--
Summary: infinite _Unwind_Backtrace / thread stack unwinding.
Product: gcc
Version: 4.2.4
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pluto at agmk dot net
GCC target triplet: x86_64-gnu-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net @ 2008-06-18 19:36 ` pluto at agmk dot net 2008-06-18 19:37 ` pluto at agmk dot net ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: pluto at agmk dot net @ 2008-06-18 19:36 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from pluto at agmk dot net 2008-06-18 19:35 ------- Created an attachment (id=15781) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15781&action=view) testcase. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net 2008-06-18 19:36 ` [Bug target/36568] " pluto at agmk dot net @ 2008-06-18 19:37 ` pluto at agmk dot net 2008-06-24 21:04 ` vinutheraj at gmail dot com ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: pluto at agmk dot net @ 2008-06-18 19:37 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from pluto at agmk dot net 2008-06-18 19:36 ------- Created an attachment (id=15782) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15782&action=view) testcase makefile. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net 2008-06-18 19:36 ` [Bug target/36568] " pluto at agmk dot net 2008-06-18 19:37 ` pluto at agmk dot net @ 2008-06-24 21:04 ` vinutheraj at gmail dot com 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: vinutheraj at gmail dot com @ 2008-06-24 21:04 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from vinutheraj at gmail dot com 2008-06-24 21:04 ------- Created an attachment (id=15812) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15812&action=view) A patch which comes with debian and ubuntu which solves this problem A patch which is provided with ubuntu and debian which solves the problem of the infinite _Unwind_Backtrace automagically. I chanced upon this luckily. In ubuntu do apt-get install glibc-source and in patches/amd64/ you will find it. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net ` (2 preceding siblings ...) 2008-06-24 21:04 ` vinutheraj at gmail dot com @ 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu dot org @ 2008-06-24 22:03 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from rguenth at gcc dot gnu dot org 2008-06-24 22:02 ------- *** Bug 36621 has been marked as a duplicate of this bug. *** -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vinutheraj at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net ` (3 preceding siblings ...) 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org @ 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org 2008-06-25 7:53 ` pluto at agmk dot net 2008-10-28 15:19 ` pluto at agmk dot net 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu dot org @ 2008-06-24 22:03 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from rguenth at gcc dot gnu dot org 2008-06-24 22:03 ------- This is a glibc bug then. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net ` (4 preceding siblings ...) 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org @ 2008-06-25 7:53 ` pluto at agmk dot net 2008-10-28 15:19 ` pluto at agmk dot net 6 siblings, 0 replies; 8+ messages in thread From: pluto at agmk dot net @ 2008-06-25 7:53 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from pluto at agmk dot net 2008-06-25 07:52 ------- forwarded to libc bugzilla: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6693 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/36568] infinite _Unwind_Backtrace / thread stack unwinding. 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net ` (5 preceding siblings ...) 2008-06-25 7:53 ` pluto at agmk dot net @ 2008-10-28 15:19 ` pluto at agmk dot net 6 siblings, 0 replies; 8+ messages in thread From: pluto at agmk dot net @ 2008-10-28 15:19 UTC (permalink / raw) To: gcc-bugs ------- Comment #7 from pluto at agmk dot net 2008-10-28 15:18 ------- (In reply to comment #5) > This is a glibc bug then. > hmm, Ulrich Drepper rejects this bug report. http://sources.redhat.com/bugzilla/show_bug.cgi?id=6693#c1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36568 ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2008-10-28 15:19 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2008-06-18 19:35 [Bug target/36568] New: infinite _Unwind_Backtrace / thread stack unwinding pluto at agmk dot net 2008-06-18 19:36 ` [Bug target/36568] " pluto at agmk dot net 2008-06-18 19:37 ` pluto at agmk dot net 2008-06-24 21:04 ` vinutheraj at gmail dot com 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org 2008-06-24 22:03 ` rguenth at gcc dot gnu dot org 2008-06-25 7:53 ` pluto at agmk dot net 2008-10-28 15:19 ` pluto at agmk dot net
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