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Date: Mon, 4 Mar 2013 14:17:35 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: segfault in recent snapshots
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On Mar  4 12:36, Henry S. Thompson wrote:
> Christopher Faylor writes:
> 
> >>> 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
> >>
> >
> > This address indicates that the error is in user code, so this again
> > devolves to something that Marco would likely have to look into.  The
> > "003D0000" looks like a DLL which has not been properly rebased.
> >
> > If you can duplicate this under gdb then "info shared" should tell you
> > which dll is associated with that address.
> 
> Sorry if I've not understood correctly, but when I catch the segfault
> in gdb, info shared doesn't show anything loaded in that address
> range:
> 
> (gdb) info shared

Since you're running GDB anyway, what does `bt' print when the SEGV
occured?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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