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From: Daniel Halperin <dhalperi@cs.washington.edu>
Date: Wed, 8 Feb 2012 09:41:25 -0800
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Subject: Re: iwlagn: wrong command queue backtrace.
To: Dave Jones <davej@redhat.com>,
	"Guy, Wey-Yi" <wey-yi.w.guy@intel.com>,
	Emmanuel Grumbach <egrumbach@gmail.com>,
	linux-kernel@vger.kernel.org, ipw3945-devel@lists.sourceforge.net,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"ilw@linux.intel.com" <ilw@linux.intel.com>
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On Wed, Feb 8, 2012 at 9:23 AM, Dave Jones <davej@redhat.com> wrote:
>
> I just hit this with the iwlagn driver currently in Linus' tree.
>

AFAICT this could be a side effect of some bad QoS packet processing.
The patch (http://www.spinics.net/lists/linux-wireless/msg84213.html)
hasn't yet made it to Linus' tree, but you could cherry-pick it...

Dan