linux-ext4 - ext4 crash on 2.6.37: NULL ptr in ext4_discard

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Date:	Sat, 19 Feb 2011 17:37:20 -0500
From:	Mark Lord <kernel@...savvy.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-ext4@...r.kernel.org, "Theodore Ts'o" <tytso@....edu>
Subject: ext4 crash on 2.6.37: NULL ptr in ext4_discard_preallocations

32-bit x86 system, 2.6.37 SMP kernel, Core2duo, 3.3GB RAM, no swap.

The system just suddenly switched to fbconsole and dumped a traceback.
Here's the screen-shot photo:  http://rtr.ca/ext4_crash.jpg

Is this a known bug that got fixed in 2.6.37.1 ?

Thanks
-ml
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