linux-kernel - Re: qla2xxx BUG: workqueue leaked lock or atomic

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Date:	Wed, 28 Feb 2007 16:18:29 +0100
From:	Andre Noll <maan@...temlinux.org>
To:	Andrew Vasquez <andrew.vasquez@...gic.com>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	James Bottomley <James.Bottomley@...elEye.com>
Subject: Re: qla2xxx BUG: workqueue leaked lock or atomic

On 10:51, Andrew Vasquez wrote:
> On Tue, 27 Feb 2007, Andre Noll wrote:
> > [   68.532665] BUG: at kernel/lockdep.c:1860 trace_hardirqs_on()
> 
> Ok, since 2.6.20, there been a patch added to qla2xxx which drops the
> spin_unlock_irq() call while attempting to ramp-up the queue-depth:
> 
> Could you try the latest 2.6.21-rc which contains the correction?

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.

As lockdep revealed another dm-related lock problem on this kernel,
I guess I'll have to bother the lvm people on this.

Thanks
Andre

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