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Mail Archives: cygwin-developers/2001/11/04/21:39:29

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Date: Sun, 4 Nov 2001 21:40:09 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin-developers AT cygwin DOT com
Subject: Re: 20011101 snapshot broken (also 20011103)
Message-ID: <20011104214009.A27568@redhat.com>
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References: <2761-Fri02Nov2001224205+0000-starksb AT ebi DOT ac DOT uk> <5523-Sat03Nov2001082624+0000-starksb AT ebi DOT ac DOT uk> <6426-Mon05Nov2001011335+0000-starksb AT ebi DOT ac DOT uk> <s1sofmij96l DOT fsf AT jaist DOT ac DOT jp> <20011104203718 DOT A3511 AT redhat DOT com> <s1sn122j6bf DOT fsf AT jaist DOT ac DOT jp>
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On Mon, Nov 05, 2001 at 11:32:36AM +0900, Kazuhiro Fujieda wrote:
>>>> On Sun, 4 Nov 2001 20:37:18 -0500
>>>> Christopher Faylor <cgf AT redhat DOT com> said:
>
>> Oddly enough, both of the above work fine for me.
>> 
>> If you have a clue about what is now incorrect in the handling of
>> unreliable pipes, please share it.
>
>I'm sorry I don't have any clue at present. I tried to get
>the strace log but failed by STATUS_ACCESS_VIOLATION: 
>
>$ strace -o /tmp/sh.log sh -c '`echo tako`'
> 329833 [main] SH 360109 handle_exceptions: Exception: STATUS_ACCESS_VIOLATION
> 332560 [main] SH 360109 open_stackdumpfile: Dumping stack trace to SH.EXE.stackdump
>$
>
>I attached /tmp/sh.log below. I also failed the JIT debugging
>because gdb also died by STATUS_ACCESS_VIOLATION (NT4sp6a) or
>can't attach the process (on WinME).

If you are trying to attach to a process which is being straced, you can't do that
because strace uses the debugging api.

Otherwise, see: how-to-debug-cygwin.txt in the winsup/cygwin directory for a description
of how to use a separate cygwin1.dll to debug a faulty one.

cgf

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