Date: Wed, 28 Feb 2007 16:18:29 +0100
From: Andre Noll <maan@systemlinux.org>
To: Andrew Vasquez <andrew.vasquez@qlogic.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
       James Bottomley <James.Bottomley@SteelEye.com>
Subject: Re: qla2xxx BUG: workqueue leaked lock or atomic
Message-ID: <20070228151829.GI22572@skl-net.de>
References: <20070226133153.GC4095@skl-net.de> <20070226182617.GC9968@andrew-vasquezs-computer.local> <20070227101100.GA22572@skl-net.de> <20070227185134.GJ20397@andrew-vasquezs-computer.local>
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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()
>=20
> 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:
>=20
> 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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