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Subject: Re: XWin Server starts but terminates shortly after
To: cygwin AT cygwin DOT com
References: <CA+rGx5fU2q-6Wqsv2VBgJ_HaAOOSFkm32B60_bBLP45x5RbtKg AT mail DOT gmail DOT com> <5644A543 DOT 4040508 AT dronecode DOT org DOT uk>
From: Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Cc: Thomas Schweikle <tschweikle AT gmail DOT com>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <564B442E.6060009@dronecode.org.uk>
Date: Tue, 17 Nov 2015 15:13:50 +0000
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On 12/11/2015 14:42, Jon Turney wrote:
> On 12/11/2015 10:11, Thomas Schweikle wrote:
>> Since about six months: I can start XWin-Server, but it terminates
>> shortly after without any chance to start any X11-application.
>
> I assume this [1] is your initial report, back in September.
>
> I asked you some follow up questions [2], but I didn't get any reply.
>
> [1] https://cygwin.com/ml/cygwin/2015-09/msg00084.html
> [2] https://cygwin.com/ml/cygwin/2015-09/msg00186.html

For the record, the OP replied to me:

On 13/11/2015 15:13, Thomas Schweikle wrote:
 > Adding "-nowgl" does the trick. XWin is running again.

It seems that this problem manifests itself when running on a Windows 
guest under VMWare, with their SVGA driver.

This seems to be caused by a c0000374 (STATUS_HEAP_CORRUPTION) exception 
raised whilst loading the VMWare OpenGL driver.

> Critical error detected c0000374
[...]
> Child-SP          RetAddr           Call Site
> 00000000`0022aab0 00000000`77754746 ntdll!RtlReportCriticalFailure+0x2f
> 00000000`0022ab80 00000000`77755952 ntdll!RtlpReportHeapFailure+0x26
> 00000000`0022abb0 00000000`77757604 ntdll!RtlpHeapHandleError+0x12
> 00000000`0022abe0 00000000`776fdc1f ntdll!RtlpLogHeapFailure+0xa4
> 00000000`0022ac10 00000000`77591a4a ntdll! ?? ::FNODOBFM::`string'+0x10c54
> 00000000`0022ac90 000007fe`eae466ec kernel32!HeapFree+0xa
> 00000000`0022acc0 000007fe`ea0f5db8 vm3dgl64!wglRealizeLayerPalette+0x90a2ec
> 00000000`0022acf0 000007fe`ea0f5e0b vm3dgl64+0x15db8
> 00000000`0022b720 000007fe`ea130739 vm3dgl64+0x15e0b
> 00000000`0022b750 000007fe`ea0f08e8 vm3dgl64+0x50739
> 00000000`0022b780 000007fe`eae46b5a vm3dgl64+0x108e8
> 00000000`0022b7b0 00000000`776cb108 vm3dgl64!wglRealizeLayerPalette+0x90a75a
> 00000000`0022b820 00000000`776b787a ntdll!LdrpRunInitializeRoutines+0x1fe
> 00000000`0022b9f0 00000000`776b7b5e ntdll!LdrpLoadDll+0x231
> 00000000`0022bc00 000007fe`fd6e9059 ntdll!LdrLoadDll+0x9a
> 00000000`0022bc70 000007fe`ee4e7b61 KERNELBASE!LoadLibraryExW+0x22e
> 00000000`0022bce0 000007fe`ee4e7f93 OPENGL32!wglCbGetDdHandle+0x51
> 00000000`0022bd30 000007fe`ee4fa976 OPENGL32!wglCbGetDdHandle+0x483
> 00000000`0022c390 000007fe`ee4f9c2a OPENGL32!wglDescribePixelFormat+0x126
> 00000000`0022c490 000007fe`fd84997a OPENGL32!wglChoosePixelFormat+0x7a
> 00000000`0022c530 00000001`0042d2de GDI32!ChoosePixelFormat+0x4e
> 00000000`0022c560 00000001`00495ce7 XWin!WindowsDRIExtensionInit+0x21ae
> 00000000`0022c980 00000001`00414503 XWin!GlxExtensionInit+0x167
> 00000000`0022ca00 00000001`0051df8e XWin!InitExtensions+0x43
> 00000000`0022ca40 00000001`8004836d XWin!dix_main+0x1de
> 00000000`0022cae0 00000001`8004607c cygwin1!cygwin_dll_init+0x113d
> 00000000`0022cc70 00000001`80046114 cygwin1!setprogname+0x35ec
> 00000000`0022ccd0 00000001`0057dbf1 cygwin1!setprogname+0x3684
> 00000000`0022ff00 00000001`00401010 XWin!XNFprintf+0x1451
> 00000000`0022ff30 00000000`775859ed XWin+0x1010
> 00000000`0022ff60 00000000`776bc541 kernel32!BaseThreadInitThunk+0xd
> 00000000`0022ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x1d


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