netdev - Re: kerneloops.org report for the week of June 14 2009

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Message-ID: <b6c5339f0906280211n21287f68p6455890fd860c44@mail.gmail.com>
Date:	Sun, 28 Jun 2009 05:11:54 -0400
From:	Bob Copeland <me@...copeland.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, tglx@...x.de, alan@...rguk.ukuu.org.uk,
	rjw@...k.pl, netdev@...r.kernel.org, mingo@...e.hu,
	dwmw2@...radead.org, alsa-devel@...a-project.org,
	dri-devel@...ts.sourceforge.net
Subject: Re: kerneloops.org report for the week of June 14 2009

On Fri, Jun 19, 2009 at 1:32 AM, Arjan van de Ven<arjan@...radead.org> wrote:
> On Thu, 18 Jun 2009 13:08:39 -0400
> Bob Copeland <me@...copeland.com> wrote:
>> > Rank 9: minstrel_get_rate (warning)
>>
>> I believe this is fixed by http://lkml.org/lkml/2009/6/5/269, now
>> in pre-2.6.31.  Hmm, odd though, we should be seeing reports from
>> other wireless drivers since it's a general memory corruption
>> unrelated to ath5k (but not all use the mac80211 rate controllers).
>
> well.. out of the 534 reports or so that I have by now... 525 have
> ath5k loaded.....
>
> it's not 100% but it'd pretty close.

Indeed, I can replicate this now, looks like some kind of race condition
since it's looking for a rate in the 5 ghz band while I'm communicating
with a 2 ghz AP (during a scan perhaps?).  The warning is harmless but
there is some underlying issue to be fixed.

-- 
Bob Copeland %% www.bobcopeland.com
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