From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932330Ab0HJQKH (ORCPT ); Tue, 10 Aug 2010 12:10:07 -0400 Received: from 0122700014.0.fullrate.dk ([95.166.99.235]:49594 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932160Ab0HJQKD (ORCPT ); Tue, 10 Aug 2010 12:10:03 -0400 Message-ID: <4C6179DD.7010000@kernel.dk> Date: Tue, 10 Aug 2010 12:10:05 -0400 From: Jens Axboe MIME-Version: 1.0 To: Jeff Layton CC: Jeff Moyer , linux-kernel@vger.kernel.org Subject: Re: cfq: oops in __call_for_each_cic References: <20100810064045.6996f3b7@tlielax.poochiereds.net> <20100810102718.45bddc9d@tlielax.poochiereds.net> In-Reply-To: <20100810102718.45bddc9d@tlielax.poochiereds.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/10/2010 10:27 AM, Jeff Layton wrote: > On Tue, 10 Aug 2010 10:22:41 -0400 > Jeff Moyer wrote: > >> Jeff Layton writes: >> >>> Saw this oops on my test machine this morning. I rebooted the machine >>> last night and hadn't done anything on it other than log in this >>> morning. The kernel here is based on Steve French's git tree, which is >>> based on Linus' as of Sunday Aug 8th. Last non-cifs commit is: >> >> This looks a lot like this bug: >> https://bugzilla.redhat.com/show_bug.cgi?id=577968 >> >> See also: >> http://kerneloops.org/guilty.php?guilty=cfq_free_io_context&version=2.6.34-rc&start=2228224&end=2260991&class=oops >> >> It's been around since 2.6.30.8 according to kerneloops.org. If you >> find that you have a reliable way of reproducing the issue, that would >> be great. >> > > Ok, thanks -- no clear reproducer so far. This morning was the > first time I've seen it and it was on the console of my rawhide > machine. The last thing I did with it was reboot it last night. I > suspect that the gzip process came from a cron job or something. What version did you hit it on? -- Jens Axboe