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Date: Thu, 18 Apr 2002 15:39:15 -0700
From: Andrew Morton <akpm@zip.com.au>
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To: Ruth Ivimey-Cook <Ruth.Ivimey-Cook@ivimey.org>
CC: linux-kernel@vger.kernel.org
Subject: Re: Kernel BUG in ext3 (2.4.18pre1)
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Ruth Ivimey-Cook wrote:
> 
> ...
> Apr 17 23:20:01 gatemaster kernel: Assertion failure in
> __journal_file_buffer() at transaction.c:1935: "jh->b_jlist < 9"
> Apr 17 23:20:01 gatemaster kernel: kernel BUG at transaction.c:1935!

That's the first time this has been reported.  Conceivably,
ext3 has corrupted the journal_head.  More conceivably, some
other part of the kernel scribbled on it.  Most conceivably,
your memory flipped a bit.

Best I can suggest is that you give the machine an overnight
run with memtest86.

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