On 10/09/2013 22:16, Andreas Girgensohn wrote: > I start XWin.exe via a shortcut when logging into Windows 7 (64-bit). > Recently, I replaced my Cygwin installation with the 64-bit version. > Now, XWin.exe crashes (SIGSEGV) every time I restart or shutdown > Windows. > > I produced a gdb backtrace by cancelling the restart quickly after the > problem occurred. Additional files are attached. > > (gdb) bt full > #0 0x00000001004071ea in winMsgWindowProc (hwnd=<optimized out>, > message=<optimized out>, > wParam=<optimized out>, lParam=<optimized out>) > at /usr/src/debug/xorg-server-1.14.2-2/hw/xwin/winmsgwindow.c:58 > pScreen = <optimized out> > hwnd = <optimized out> > message = 22 > wParam = <optimized out> > lParam = <optimized out> > #1 0x0000000077139bd1 in USER32!TranslateMessageEx () > from /cygdrive/c/Windows/system32/USER32.dll > No symbol table info available. > #2 0x000000000000050c in ?? () > No symbol table info available. > #3 0x0000000000000001 in ?? () > No symbol table info available. > #4 0x0000000000000000 in ?? () > No symbol table info available.
Thanks for reporting this problem, and providing the backtrace. I've added a patch which should fix this crash and uploaded a snapshot at [1]. Perhaps you could try that and see if it improves things for you? [1] ftp://cygwin.com/pub/cygwinx/XWin.x86_64.20130911-git-0919b42581c05bf8.exe.bz2 > On a different note, when running gdb, I noticed that XWin.exe twice > receives a SIGSYS when starting. That does not affect normal > operations. This is expected when cygserver (which provides SySV shared memory) is not running, as the X server tests to see if shared memory is available before using it, by checking if shmget() causes a SIGSYS... -- Jon TURNEY Volunteer Cygwin/X X Server maintainer -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/