linux-ext4 - [Bug 17361] Watchdog detected hard LOCKUP in jbd2_journal_get_write

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Message-Id: <201009221748.o8MHm4hN031275@demeter1.kernel.org>
Date:	Wed, 22 Sep 2010 17:48:04 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 17361] Watchdog detected hard LOCKUP in
 jbd2_journal_get_write_access

https://bugzilla.kernel.org/show_bug.cgi?id=17361





--- Comment #5 from Christian Casteyde <casteyde.christian@...e.fr>  2010-09-22 17:47:58 ---
Well, I managed to boot in single mode, and tried to execute commands one by
one to see what triggers the problems.
Indeed, it's really random, sometime it's while ldconfig is called by the init
scripts, sometime it's when starting udev...
The callstacks are quite different also, sometime it's kmemcheck, sometime
preempt count, sometime NULL dereference...

So I'm posting the dmesg output I saved each time I got an error. Now at least
they are complete, so the root cause may be easier to find.

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