Re: [Bug #14472] EXT4 corruption

[Shawn Starr]

On October 29, 2009 06:34:45 pm Andrew Lutomirski wrote:
> On Thu, Oct 29, 2009 at 6:23 PM, Theodore Tso <tytso@xxxxxxx> wrote:
> > On Thu, Oct 29, 2009 at 03:57:32PM -0400, Andrew Lutomirski wrote:
> >> 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.
> >
> > Andrew, can you test to see if this patch helps?
> 
> I'm building a kernel with that patch now, and I'll keep running it
> for awhile.  I only seem to trigger this bug once a month or so, so
> I'll let you know if I see any more corruption.
> 
> Thanks,
> Andy
> 

You should be able to trigger this using the same method I did. To mistakenly 
cause modprobe to spawn unlimited processes ending up in a swap storm.

Thanks, 
Shawn.
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