From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-15?Q?Sven_K=F6hler?= <sven.koehler@gmail.com>
Subject: Re: Re: 2.6.28.7 domU: 32-bit emulation seems to be broken
Date: Sun, 15 Mar 2009 18:43:25 +0100
Message-ID: <49BD3E3D.6000607@gmail.com>
References: <gpe0vg$j67$1@ger.gmane.org>	<gpei6e$gcn$1@ger.gmane.org>	<49BAFC72.4040501@goop.org>	<49BB0184.1020503@goop.org>
	<49BB6F4A.90000@gmail.com>	<49BC2994.6040404@goop.org>
	<49BCE8F6.50504@gmail.com> <49BD1F87.8040008@goop.org>
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To: Jeremy Fitzhardinge <jeremy@goop.org>
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Jeremy Fitzhardinge schrieb:
> Sven K=F6hler wrote:
>>> Can you get a coredump from the fault and see what the faulting
>>> instruction was?
>>>    =20
>>
>> How do I do that?
>> Sorry for the stupid question, but unfortunatly this is beyond my
>> knowledge of the tooldchain :-(
>=20
> $ ulimit -c unlimited
> $ ./a.out
> Segmentation Fault (core dumped)
> $ ls core.*
> core.XXXXX
> $ gdb ./a.out core.*
> [...]
> (gdb) x/i $eip-2
>=20
> It will help to compile your a.out with -g.

# ulimit -c unlimited
# ./a.out
Segmentation fault (core dumped)
# gdb a.out core
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying=
"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu"...
Core was generated by `./a.out'.
Program terminated with signal 11, Segmentation fault.
[New process 13256]
#0  0xf7f3642f in __kernel_vsyscall ()
(gdb) x/i $eip-2
0xf7f3642d <__kernel_vsyscall+13>:      jmp    0x25f4278f
(gdb)



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