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Subject:	Re: MinTTY requires gdiplus.dll ? (2)
To:	cygwin AT cygwin DOT com
References:	<1953c30851fd83b67ee9b162b29f4195 AT xs4all DOT nl> <20181129195845 DOT GE30649 AT calimero DOT vinschen DOT de>
From:	Thomas Wolff <towo AT towo DOT net>
Message-ID:	<773b9c80-a028-324b-1833-3bfea39aebe4@towo.net>
Date:	Thu, 29 Nov 2018 23:11:31 +0100
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Am 29.11.2018 um 20:58 schrieb Corinna Vinschen:
> On Nov 29 19:41, Houder wrote:
>> Hi,
>>
>> As I wrote in the preceding post ...
>>
>> Using Corinna's latest snapshot in a "Dos box" results in a
>> prompt from bash.
>>
>> Once in bash, I can launch MinTTY ( 64-@@ /usr/bin/mintty )
>>
>> Placing strace in front of this call, results in:
>>
>> 64-@@ strace /usr/bin/mintty
>> --- Process 3112 created
>> --- Process 3112 loaded C:\Windows\System32\ntdll.dll at 00000000777b0000
>> ...
>> --- Process 3112 loaded C:\Windows\winsxs\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.18837_none_fa3b1e3d17594757\comc
>> tl32.dll at 000007fefb9c0000
>> --- Process 3112 loaded C:\Windows\System32\gdi32.dll at 000007fefdc10000
>> ...
>> --- Process 3112 loaded C:\Windows\winsxs\amd64_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.24280_none_145e10148b8de48e\GdiPlus.dll
>> at 000007fefb440000
>> ...
>> --- Process 3112, exception c0000005 at 0000000180044bb3
>> --- Process 3112 exited with status 0xc0000005
>> Segmentation fault
There's also another dll reported from winsxs rather than System32 in 
your log. Maybe some files got corrupted on your system?

> I can reproduce this but while it's clear *where* it happens, it's
> unclear *when* and *why* it happens.
Unclear to me what exactly can be reproduced. With today's snapshot 
cygwin1.dll, I can start mintty any way, also from Explorer, via 
shortcut, or directly from cmd.exe (skipping cygwin shell).
Thomas

> It only occurs if mintty is the first process in a process tree.  I.e.,
> when starting mintty from a shell running in a DOS window, the problem
> disappears.
>
> Worse, the problem also disappears when running mintty under gdb.
>
>
> Corinna

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