On Sat, 03 Jun 2006 18:34:23 -0700
Jeremy Fitzhardinge <jeremy@goop.org> wrote:

>     BUG: unable to handle kernel NULL pointer dereference at virtual
>     address 00000054
> 
> in cfq_dispatch_requests+0x2c5/0x454.
> 
> I'm running 2.6.17-rc5-mm2 with Forrest Zhao's ahci resume patches of 
> the other day.
> 
> The system was basically idle with very little IO going on.  It happens 
> fairly regularly, but not triggered by any particular activity.  The 
> system had not been through a suspend/resume cycle.

There have been a number of CFQ fixes post-2.6.17-rc5-mm2.  Fingers
crossed, please test -mm3.  Hopefully I'll have that out 4-6 hours hence.


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