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Subject: Re: segfault in recent snapshots
References: <f5bobf1k1w9 DOT fsf AT calexico DOT inf DOT ed DOT ac DOT uk>	<20130302202911 DOT GA1371 AT ednor DOT casa DOT cgf DOT cx>
From: ht AT inf DOT ed DOT ac DOT uk (Henry S. Thompson)
Date: Sun, 03 Mar 2013 12:02:43 +0000
In-Reply-To: <20130302202911.GA1371@ednor.casa.cgf.cx> (Christopher Faylor's message of "Sat\, 2 Mar 2013 15\:29\:11 -0500")
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Christopher Faylor writes:

> On Sat, Mar 02, 2013 at 08:00:38PM +0000, Henry S. Thompson wrote:
>>Snapshots of 31/1 and 1/3 are giving segfaults for psql (see previous
>>thread?)
>
> "previous thread"?

http://cygwin.1069669.n5.nabble.com/psql-crashes-with-snapshot-td96270.html

>>and locally compiled xemacs.
>>
>>Any way I can help debug?
>
> Yes.  As always, provide a simple test case which demonstrates the
> problem.

Sigh, not within my competence in this case.

> And, if it is segfaulting then there is a stackdump file.
> Post that.

Exception: STATUS_ACCESS_VIOLATION at eip=003D0000
eax=003D0000 ebx=00000000 ecx=7792389A edx=006F017C esi=61006C50 edi=0028CD78
ebp=0028AC88 esp=0028AC4C program=C:\Cygwin\bin\psql.exe, pid 11572, thread main
cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B
Stack trace:
Frame     Function  Args
0028AC88  003D0000  (61273B28, 00000000, 00000000, 00000000)
0028ACF8  61006CF5  (00000000, 0028CD78, 61006C50, 00000000)
End of stack trace

Exception: STATUS_ACCESS_VIOLATION at eip=003D0000
eax=003D0000 ebx=00000000 ecx=7792389A edx=0112017C esi=61006C50 edi=0028CD78
ebp=0028AC88 esp=0028AC4C program=C:\cygwin\usr\local\bin\xemacs-21.5-b33.exe, pid 10904, thread main
cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B
Stack trace:
Frame     Function  Args
0028AC88  003D0000  (61273B28, 00000000, 00000000, 00000000)
0028ACF8  61006CF5  (00000000, 0028CD78, 61006C50, 00000000)
End of stack trace

I think there's probably more detail in the gdb stacktraces I posted
subsequently. . .

ht
-- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 650-4587, e-mail: ht AT inf DOT ed DOT ac DOT uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
 [mail from me _always_ has a .sig like this -- mail without it is forged spam]

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