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Re: Strange segfaults of gdb

From: Michal Ludvig <mludvig at suse dot cz>
To: Michael Snyder <msnyder at redhat dot com>
Cc: Eli Zaretskii <eliz at is dot elta dot co dot il>, gdb <gdb at sources dot redhat dot com>
Date: Wed, 17 Apr 2002 12:12:35 +0200
Subject: Re: Strange segfaults of gdb
Organization: SuSE CR
References: <3CB5B5F1.7010809@suse.cz> <9743-Fri12Apr2002120839+0300-eliz@is.elta.co.il> <3CB6C492.80108@suse.cz> <3CBC6781.A92CF330@redhat.com>

Michael Snyder wrote:
> Michal Ludvig wrote:
>>So it appears like the segfault happend on 'cmp <imm>,<reg>'
>>instruction, which shouldn't be able to generate any exception at all.
>>So I don't trust this information.
> 
> Maybe it took place during the syscall, and was deferred
> until return to user space?

Yes, it was a kind of this problem that by a strange coincidence 
apperaed only in gdb. Fortunately I cannot confirm it was a gdb's 
problem and the version in 5.2 branch should be ready for release (from 
x86-64's side).

Michal Ludvig
-- 
* SuSE CR, s.r.o     * mludvig@suse.cz
* +420 2 9654 5373   * http://www.suse.cz

References:
- Strange segfaults of gdb
  - From: Michal Ludvig
- Re: Strange segfaults of gdb
  - From: Eli Zaretskii
- Re: Strange segfaults of gdb
  - From: Michal Ludvig
- Re: Strange segfaults of gdb
  - From: Michael Snyder

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