From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 14354] Bad corruption with 2.6.32-rc1 and upwards
Date: Wed, 14 Oct 2009 03:17:22 GMT
Message-ID: <200910140317.n9E3HMTp003252@demeter.kernel.org>
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--- Comment #44 from Holger Freyther 2009-10-14 03:17:21 ---
(In reply to comment #43)
> Hmm.... what were you doing right before the crash? It looks like you were
> doing a kernel compile in /home/ich/source/linux/linux-2.6, since there were
> files with a modtime of Tue Oct 13 16:25:55 2009. What's a funny is that
> when these files were allocated, they used blocks that were apparently already
> in use by other object files in that some source directory with a mod-time of
> Sat Oct 10 13:51:14 2009. Did you do a "make clean" at any time between
> Saturday and Tuesday that should have deleted these files?
Not a make clean but a "rm -rf *; git checkout ." after the previous corruption
in the source/linux/linux-2.6 directory.
Is it feasible to come up with a self test patch to ext4 to compare the
allocated block bitmap with the bitmap in memory?
I will do a fsck on every boot now and will setup a testsystem in the evening
to try to reproduce this (without dm/lvm inbetween).
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