Re: [Bug #14472] EXT4 corruption

[Andrew Lutomirski]

On Mon, Oct 26, 2009 at 2:55 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> This message has been generated automatically as a part of a report
> of recent regressions.
>
> The following bug entry is on the current list of known regressions
> from 2.6.31.  Please verify if it still should be listed and let me know
> (either way).
>
>
> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=14472
> Subject         : EXT4 corruption
> Submitter       : Shawn Starr <shawn.starr@xxxxxxxxxx>
> Date            : 2009-10-13 2:07 (14 days old)
> References      : http://marc.info/?l=linux-kernel&m=125539997508256&w=4
> Handled-By      : Theodore Tso <tytso@xxxxxxx>
>


This but is *not* fixed.  I just triggered it a few minutes ago by
abusing i915 and drm, which caused a panic.  This is slightly newer
than 2.6.32-rc5, with a couple of i915 bugfixes thrown in.

Photos are here:
http://web.mit.edu/luto/www/ext4_crashphotos/

This is a very nasty regression, for obvious reasons.

--Andy
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