Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964999AbWLOBls (ORCPT ); Thu, 14 Dec 2006 20:41:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964985AbWLOBlX (ORCPT ); Thu, 14 Dec 2006 20:41:23 -0500 Received: from mcr-smtp-001.bulldogdsl.com ([212.158.248.7]:1305 "EHLO mcr-smtp-001.bulldogdsl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965046AbWLOBlG convert rfc822-to-8bit (ORCPT ); Thu, 14 Dec 2006 20:41:06 -0500 X-Spam-Abuse: Please report all spam/abuse matters to abuse@bulldogdsl.com From: Alistair John Strachan To: Jens Axboe Subject: Re: Linux 2.6.20-rc1 Date: Fri, 15 Dec 2006 01:41:08 +0000 User-Agent: KMail/1.9.4 Cc: Linus Torvalds , Linux Kernel Mailing List , Jeff Garzik References: <20061214212055.GR5010@kernel.dk> <200612150048.25552.s0348365@sms.ed.ac.uk> In-Reply-To: <200612150048.25552.s0348365@sms.ed.ac.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200612150141.09020.s0348365@sms.ed.ac.uk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2030 Lines: 54 On Friday 15 December 2006 00:48, Alistair John Strachan wrote: > On Thursday 14 December 2006 21:20, Jens Axboe wrote: > > On Thu, Dec 14 2006, Alistair John Strachan wrote: > > > Hi Jens, > > > > > > On Thursday 14 December 2006 20:48, Jens Axboe wrote: > > > > On Thu, Dec 14 2006, Jens Axboe wrote: > > > > > > I'll do that if nobody comes up with anything obvious. > > > > > > > > > > If you can just test 2.6.19-git1, then we'll know if it's the SG_IO > > > > > patch again. > > > > > > > > Actually, you should test 2.6.19-git1 with this patch applied as > > > > well. > > > > > > 2.6.19-git1 with FUJITA Tomonori's bio-leak fix doesn't break, and > > > hddtemp continues to work fine: > > > > > > [root] 21:10 [~] hddtemp /dev/sda /dev/sdb /dev/sdc /dev/sdd > > > /dev/sda: WDC WD2500KS-00MJB0: 29?C > > > /dev/sdb: WDC WD2500KS-00MJB0: 27?C > > > /dev/sdc: Maxtor 6B200M0: 28?C > > > /dev/sdd: Maxtor 6B200M0: 26?C > > > > > > I've added the strace results to the URL previously posted, with the > > > config. > > > > Then it is likely the sata updates, SG_IO is off the hook. > > I bisected all the way down to 0e75f9063f5c55fb0b0b546a7c356f8ec186825e, > which git reckons is the culprit. I wasn't able to revert this commit to > test, because it has conflicts. Whatever the change is, it's subtle. I don't see the problem in git1+patch, but I know this kernel _includes_ this changeset. In total isolation, v2.6.19..0e75f9063f5c55fb0b0b546a7c356f8ec186825e it breaks. Reverting just 0e75f9063f5c55fb0b0b546a7c356f8ec186825e, it works again. So I think this is the source, but I can't explain why it "goes away" before git1 and "comes back" before 2.6.20-rc1. -- Cheers, Alistair. Final year Computer Science undergraduate. 1F2 55 South Clerk Street, Edinburgh, UK. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/