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Date: Wed, 13 Nov 2002 00:03:15 -0800
From: Andrew Morton <akpm@digeo.com>
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To: Uwe Langenkamp <ul@uwe-langenkamp.de>
CC: linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: System crashed (kernel bug report)
References: <JLECLKCMILLGAJOCDMKEOEDMCEAA.ul@uwe-langenkamp.de>
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Uwe Langenkamp wrote:
> 
> Hello,
> 
> after running 8 weeks without problems, our server had a system crash, I
> found the following bug message in /var/log/messages:
> 
> An additional information: Since 19th of October, the system is shut down by
> a SmartUPS over night (to save energy, from 11pm to 7am).
> 
> Nov 12 16:16:30 serv1 kernel: Assertion failure in
> journal_commit_transaction() at commit.c:535: "buffer_jdirty(bh)"
> ...
> Linux version 2.4.18-3smp (bhcompile@daffy.perf.redhat.com) (gcc version

Red Hat fixed this in 2.4.18-4.  See http://rhn.redhat.com/errata/RHBA-2002-085.html

Suggest you grab their latest kernel.