linux-kernel - Re: [3.2-rc3] 100% CPU usage while in del_timer_sync from iwl3945_rs_free

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Message-ID: <20111129113906.GA7299@redhat.com>
Date:	Tue, 29 Nov 2011 12:39:07 +0100
From:	Stanislaw Gruszka <sgruszka@...hat.com>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org
Subject: Re: [3.2-rc3] 100% CPU usage while in del_timer_sync from
 iwl3945_rs_free_sta

Hi Michal

On Tue, Nov 29, 2011 at 11:07:27AM +0100, Michal Hocko wrote:
> [I am not sure whether this is ieee80211 or iwl3945 issue so put both
> maintainers into loop]
The only changed we had in iwlegacy between 3.1 and 3.2-rc, was only 
adjustment to mac80211 changes. However I think this is iwlegacy issue,
just for some reason bug did not trigger before.

Is this problem 100% reproducible for you ? If so I'll try to reproduce
it locally, otherwise I'll review related code to find reason of that
problem.

Thanks
Stanislaw 
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