From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753923Ab1K2Lhu (ORCPT ); Tue, 29 Nov 2011 06:37:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56339 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752000Ab1K2Lhr (ORCPT ); Tue, 29 Nov 2011 06:37:47 -0500 Date: Tue, 29 Nov 2011 12:39:07 +0100 From: Stanislaw Gruszka To: Michal Hocko Cc: LKML , "John W. Linville" , linux-wireless@vger.kernel.org Subject: Re: [3.2-rc3] 100% CPU usage while in del_timer_sync from iwl3945_rs_free_sta Message-ID: <20111129113906.GA7299@redhat.com> References: <20111129100727.GD2675@tiehlicka.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111129100727.GD2675@tiehlicka.suse.cz> User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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