Re: qla2xxx BUG: workqueue leaked lock or atomic

[Andrew Morton]

On Wed, 28 Feb 2007 16:37:22 +0100 Andre Noll <maan@xxxxxxxxxxxxxxx> wrote:

> On 16:18, Andre Noll wrote:
> 
> > With 2.6.21-rc2 I am unable to reproduce this BUG message. However,
> > writing to both raid systems at the same time via lvm still locks up
> > the system within minutes.
> 
> Screenshot of the resulting kernel panic:
> 
> 	http://systemlinux.org/~maan/shots/kernel-panic-21-rc2-huangho2.png
> 

It died in CFQ.  Please try a different IO scheduler.  Use something
like

	echo deadline > /sys/block/sda/queue/scheduler

This could still be the old qla2xxx bug, or it could be a new qla2xxx bug,
or it could be a block bug, or it could be an LVM bug.

Adrian, can we please track this as a regression?
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