linux-kernel - Re: [PATCH] iwlegacy: print how long queue was actually stuck

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Message-ID: <CANUX_P3kypkUv+-meABAOGa6GQ9cR5ugySJj+SjvVfCykCQuYQ@mail.gmail.com>
Date:	Sat, 30 Jun 2012 21:18:04 +0300
From:	Emmanuel Grumbach <egrumbach@...il.com>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Stanislaw Gruszka <sgruszka@...hat.com>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iwlegacy: print how long queue was actually stuck

>
> On Wed, 2012-06-27 at 10:36 +0200, Paul Bolle wrote:
> > Every now and then, after resuming from suspend, the iwlegacy driver
> > prints
> >     iwl4965 0000:03:00.0: Queue 2 stuck for 2000 ms.
> >     iwl4965 0000:03:00.0: On demand firmware reload
> >
> > I have no idea what causes these errors. But the code currently uses
> > wd_timeout in the first error. wd_timeout will generally be set at
> > IL_DEF_WD_TIMEOUT (ie, 2000). Perhaps printing for how long the queue
> > was actually stuck can clarify the cause of these errors.
>

You may want to try this one:
http://www.spinics.net/lists/stable-commits/msg18110.html
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