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From:	Jamie Cole <comp9900405 AT hotmail DOT com>
To:	<cygwin AT cygwin DOT com>
Subject:	RE: 1.5.25: Random segfaults in unix tools
Date:	Tue, 27 May 2008 15:49:04 +0100
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Hmm, I'd not seen that. I'll disable the scanning of the Cygwin directory in the virus checker. It's also worth noting this is not a physical machine but a VMware instance. Is this likely to cause problems?

----------------------------------------
> Date: Tue, 27 May 2008 10:05:38 -0400
> From: cgf-use-the-mailinglist-please AT cygwin DOT com
> To: cygwin AT cygwin DOT com
> Subject: Re: 1.5.25: Random segfaults in unix tools
> 
> On Tue, May 27, 2008 at 02:36:18PM +0100, Jamie Cole wrote:
> >
> >
> >I'm using Cygwin to provide the UNIX utilities such as sed, awk, cut etc. to a Windows server. This process works correctly on our dev server, but when using the same shells and Cygwin install on our prod box these tools randomly segfault.
> >
> >The processes will work a number of times (seemingly random), but after a few runs will invariably begin to segfault as shown below, the only solution is to bounce the box and we get a few more runs before futher segfaults.
> >
> >
> >Exception: STATUS_ACCESS_VIOLATION at eip=8B909090
> >eax=00000000 ebx=61168990 ecx=00000007 edx=00000000 esi=611689B8 edi=0022C900
> >ebp=0022C858 esp=0022C850 program=C:\cygwin\bin\cut.exe, pid 1620, thread main
> >cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B
> >Stack trace:
> >Frame Function Args
> >0022C858 8B909090 (611689B8, 61168990, 10000000, 61168990)
> >0022C888 61084107 (0022C900, 00000001, 00000001, 61168990)
> >0022C8B8 6108447D (00000000, 00000000, 6110941C, 7D61C92D)
> >0022CCE8 61096FB4 (00000000, 00000400, 00000000, 00000000)
> >0022CD98 6100552E (00000000, 0022CDD0, 61005450, 0022CDD0)
> >61005450 61004416 (0000009C, A02404C7, E8611021, FFFFFF48)
> >19 [main] cut 1620 _cygtls::handle_exceptions: Error while dumping state (probably corrupted stack)
> >
> >What is causing the segfaults and how can it be resolved?
> 
> Given the failing IP address I'd say it was BLODA:
> 
> http://cygwin.com/faq/faq.using.html#faq.using.bloda
> 
> cgf
> 
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