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charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, LIKELY_SPAM_FROM, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 May 2021 18:04:15 -0000 Hi Everyone. Following a Windows 10 version 1909 update Cygwin/X fails to start. It ends= with: (--) 16 mouse buttons found (--) Setting autorepeat to delay=3D500, rate=3D31 xinit: giving up xinit: unable to connect to X server: Connection refused xinit: server error [1]+ Exit 1 startx -- :1 -multiwindow -clipboard If I run XWin under gdb with xorg-server-debuginfo package installed I can = see this stack trace: Thread 1 "XWin" received signal ?, Unknown signal. 0x00007ffa99383b19 in RaiseException () from /cygdrive/c/WINDOWS/System32/KERNELBASE.dll (gdb) bt #0 0x00007ffa99383b19 in RaiseException () from /cygdrive/c/WINDOWS/System32/KERNELBASE.dll #1 0x00007ffa97662086 in ?? () from /cygdrive/c/Program Files/Citrix/ICAService/cxinjime64.dll #2 0x00007ffa97661afd in ?? () from /cygdrive/c/Program Files/Citrix/ICAService/cxinjime64.dll #3 0x00007ffa97661695 in ?? () from /cygdrive/c/Program Files/Citrix/ICAService/cxinjime64.dll #4 0x000000010040df3e in winConfigKeyboard (pDevice=3DpDevice@entry=3D0x80= 027d720) at ../hw/xwin/winconfig.c:274 #5 0x0000000100410f36 in winKeybdProc (pDeviceInt=3D0x80027d720, iState=3D) at ../hw/xwin/winkeybd.c:99 #6 0x0000000100469bc7 in ActivateDevice (dev=3Ddev@entry=3D0x80027d720, sendevent=3Dsendevent@entry=3D1 '\001') at ../dix/devices.c:576 #7 0x000000010046d8bd in InitAndStartDevices () at ../dix/devices.c:762 #8 0x0000000100479f8f in dix_main (argc=3D2, argv=3D0xffffcc50, envp=3D) at ../dix/main.c:251 #9 0x0000000180049efd in dll_crt0_1 () at /usr/src/debug/cygwin-3.2.0-1/winsup/cygwin/dcrt0.cc:1028 #10 0x0000000180047856 in _cygtls::call2 (this=3D0xffffce00, func=3D0x180048d30 , arg=3D0x0, buf=3Dbuf@entry=3D0x= ffffcdf0) at /usr/src/debug/cygwin-3.2.0-1/winsup/cygwin/cygtls.cc:40 #11 0x0000000180047904 in _cygtls::call (func=3D, --Type for more, q to quit, c to continue without paging-- arg=3D) at /usr/x86_64-pc-cygwin/sys-root/usr/include/w32api/psdk_inc/intrin-im= pl.h:790 #12 0x0000000000000000 in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) The ICA reference reflects my Citrix connection to a virtual Windows 10 des= ktop. I am working in a corporate setting however I do have admin rights to= this virtual machine. Based on "connection refused" my hypothesis was our = Windows 1909 push may have blocked ports Xwin is using. If there are specif= ic Windows Defender Firewall rules that are required I would be happy to pu= t them in. The bit of firewall setup I've tried thus far has not helped. Th= is backtrace though makes me think this may be a keyboard configuration iss= ue. Any advice and guidance on how to debug this problem will be greatly apprec= iated. Several on our development team rely on Cygwin/X and are rather unha= ppy to now be restricted to command line tools until we can get this resolv= ed. Kind regards, -Randy Galbraith