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From: "Sergio Gomez" <sgj@tinet.cat>
To: <cygwin@cygwin.com>
References: <000c01d19beb$41ff1130$c5fd3390$@tinet.cat> <571A330C.2000403@dronecode.org.uk>
In-Reply-To: <571A330C.2000403@dronecode.org.uk>
Subject: RE: XWin startup crash x86_64 Windows 10
Date: Fri, 22 Apr 2016 16:34:37 +0200
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Thanks Jon!

You're right, after adding the Cygwin bin folder to the exception list of TrendMicro, everything works fine. The strange thing is that it worked for the 32 bit installation of Cygwin/X, maybe the problem was after an update of TM with XWin.exe already running. Anyway, now it works and it seems it is not a problem of Cygwin :-)

Thank you very much!

Sergio.


-----Mensaje original-----
De: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com] En nombre de Jon Turney
Enviado el: divendres, 22 d’abril de 2016 16:20
Para: cygwin@cygwin.com
CC: Sergio Gomez <sgj@tinet.cat>
Asunto: Re: XWin startup crash x86_64 Windows 10

On 21/04/2016 17:31, Sergio Gomez wrote:
> Hi,

Thanks for reporting this problem.

> 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) 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

This is STATUS_GUARD_PAGE_VIOLATION

> 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>
[...]
> #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 ?? ()

This DLL apparently belongs to Trend Micro.

Unless you can reproduce this issue with that software uninstalled, I suggest you raise it with them.

--
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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