linux-ext4 - [Bug 14734] BUG: unable to handle kernel NULL pointer dereference at 0000000000000808

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Message-Id: <200912091227.nB9CRfqe015699@demeter.kernel.org>
Date:	Wed, 9 Dec 2009 12:27:41 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 14734] BUG: unable to handle kernel NULL pointer dereference at
 0000000000000808

http://bugzilla.kernel.org/show_bug.cgi?id=14734


Jan Kara <jack@...e.cz> changed:

           What    |Removed                     |Added
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                 CC|                            |jack@...e.cz




--- Comment #2 from Jan Kara <jack@...e.cz>  2009-12-09 12:27:39 ---
I believe this is a faulty memory:
Looking at the disassembly we most probably oopsed while doing
page_cache_get_speculative(page) where page was 0000000000000800. So it's a
single bit flip from NULL in which case we'd just go on with another page.
Could you try running memtest for some time?

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