Hi, After a fresh installation of Cygwin x86_64 in a Windows 10 machine, XWin crashes during startup (rest of Cygwin seems OK). Here is the backtrace:
---------------------------------- $ gdb --args /usr/bin/XWin -multiwindow GNU gdb (GDB) (Cygwin 7.10.1-1) 7.10.1 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-cygwin". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/XWin...Reading symbols from /usr/lib/debug//usr/bin/XWin.exe.dbg...don e. done. (gdb) handle SIGSYS nostop Signal Stop Print Pass to program Description SIGSYS No Yes Yes Bad system call (gdb) r Starting program: /usr/bin/XWin -multiwindow [New Thread 10320.0xd2c] [New Thread 10320.0x2370] [New Thread 10320.0x280] [New Thread 10320.0x243c] [New Thread 10320.0x1050] gdb: unknown target exception 0x80000001 at 0x180071a71 Program received signal ?, Unknown signal. [Switching to Thread 10320.0x1050] 0x0000000180071a71 in myfault_altstack_handler (exc=0x1cb050) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/exceptions.cc:615 615 { (gdb) bt full #0 0x0000000180071a71 in myfault_altstack_handler (exc=0x1cb050) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/exceptions.cc:615 me = <optimized out> #1 0x00007ffc24b6e763 in ntdll!MD5Update () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #2 0x00007ffc24b35443 in ntdll!RtlImageNtHeaderEx () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #3 0x00007ffc24ba8bfa in ntdll!KiUserExceptionDispatcher () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #4 0x00007ffc24b27c13 in ntdll!RtlAcquireSRWLockShared () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #5 0x00007ffc24b25c5f in ntdll!RtlAllocateHeap () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #6 0x00007ffc24b9266b in ntdll!EtwEventProviderEnabled () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #7 0x00007ffc24b27cce in ntdll!RtlAcquireSRWLockShared () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #8 0x00007ffc24b25c5f in ntdll!RtlAllocateHeap () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #9 0x0000000076145cff in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #10 0x0000000076145a37 in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #11 0x00000000760e2fe2 in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #12 0x00000000760e2d82 in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #13 0x00000000760e4989 in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll ---Type <return> to continue, or q <return> to quit--- No symbol table info available. #14 0x00000000760e48e1 in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #15 0x000000007618a997 in tmmon64!NullExport () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #16 0x000000007618a90b in tmmon64!NullExport () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #17 0x00000000760f418d in ?? () from /cygdrive/c/WINDOWS/system32/tmumh/20019/TmMon/1.6.0.1112/tmmon64.dll No symbol table info available. #18 0x00000001800c73a4 in CreateMutexW (lpMutexAttributes=0x0, bInitialOwner=1887048, lpName=<optimized out>) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/kernel32.cc:142 mtx = 0x0 uname = {Length = 0, MaximumLength = 0, Buffer = 0x0} attr = {Length = 48, RootDirectory = 0x0, ObjectName = 0x0, Attributes = 0, SecurityDescriptor = 0x0, SecurityQualityOfService = 0x0} status = <optimized out> flags = <optimized out> #19 0x00000001800441bb in init_cygheap::add_tls (this=0x18033e400, t=0xffdfce00) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/cygheap.cc:641 here = {static lock = { name = 0x180229681 <openpty::__PRETTY_FUNCTION__+705> "thread_tls_sentry", sync = 1, waiters = 0, bruteforce = 0x124, visits = 1, tls = 0xffdfce00}, destroy = 1} #20 0x0000000180045891 in _cygtls::init_thread (this=<optimized out>, x=<optimized out>, func=<optimized out>) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/cygtls.cc:150 No locals. #21 0x00000001800d2197 in pthread_wrapper (arg=<optimized out>) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/miscfuncs.cc:625 wrapper_arg = {func = 0x180154230 <pthread::thread_init_wrapper(void*)>, arg = 0x6000283e0, stackaddr = 0x190000 <error: Cannot access memory at address 0x190000>, stackbase = 0xffe00000 <error: Cannot access memory at address 0xffe00000>, stacklimit = 0xffdf0000 "", guardsize = 12288} dealloc_addr = <optimized out> ---Type <return> to continue, or q <return> to quit--- arg = <optimized out> #22 0x000000018004591c in _cygtls::call2 (this=0x1cce00, func=0x1800d20c0 <pthread_wrapper(PVOID)>, arg=0x180348df8, buf=buf@entry=0x1ccd50) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/cygtls.cc:111 res = <optimized out> #23 0x00000001800459b4 in _cygtls::call (func=<optimized out>, arg=<optimized out>) at /usr/src/debug/cygwin-2.5.0-1/winsup/cygwin/cygtls.cc:30 buf = '\000' <repeats 8568 times>... #24 0x00007ffc24a68102 in KERNEL32!BaseThreadInitThunk () from /cygdrive/c/WINDOWS/system32/KERNEL32.DLL No symbol table info available. #25 0x00007ffc24b5c5b4 in ntdll!RtlUserThreadStart () from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll No symbol table info available. #26 0x0000000000000000 in ?? () No symbol table info available. Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) q ---------------------------------- And here is the XWin log: ---------------------------------- Welcome to the XWin X Server Vendor: The Cygwin/X Project Release: 1.18.2.0 OS: CYGWIN_NT-10.0 psgomez5 2.5.0(0.297/5/3) 2016-04-11 09:58 x86_64 OS: Windows 10 [Windows NT 10.0 build 10586] (Win64) Package: version 1.18.2-1 built 2016-03-24 XWin was started with the following command line: /usr/bin/XWin -multiwindow ddxProcessArgument - Initializing default screens winInitializeScreenDefaults - primary monitor w 1920 h 1080 winInitializeScreenDefaults - native DPI x 120 y 120 [ 17152.281] (II) xorg.conf is not supported [ 17152.281] (II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for more information [ 17152.281] LoadPreferences: /home/Sergio/.XWinrc not found [ 17152.281] LoadPreferences: Loading /etc/X11/system.XWinrc [ 17152.281] LoadPreferences: Done parsing the configuration file... [ 17152.281] winDetectSupportedEngines - RemoteSession: no [ 17153.046] winDetectSupportedEngines - DirectDraw4 installed, allowing ShadowDDNL [ 17153.750] winDetectSupportedEngines - Returning, supported engines 00000005 ---------------------------------- Thanks, Sergio. -- 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
