From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752915AbXCUOii (ORCPT ); Wed, 21 Mar 2007 10:38:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752913AbXCUOii (ORCPT ); Wed, 21 Mar 2007 10:38:38 -0400 Received: from moutng.kundenserver.de ([212.227.126.174]:55416 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752915AbXCUOih (ORCPT ); Wed, 21 Mar 2007 10:38:37 -0400 From: Christian Subject: Re: [BUG 2.6.21-rc3-git9] SATA NCQ failure with Samsum HD401LJ Date: Wed, 21 Mar 2007 15:34:30 +0100 User-Agent: KMail/1.9.6 References: <200703190808.00746.christiand59@web.de> <45FE3E23.1010705@gmail.com> In-Reply-To: <45FE3E23.1010705@gmail.com> MIME-Version: 1.0 Content-Disposition: inline To: linux-kernel@vger.kernel.org Message-Id: <200703211534.30943.christiand59@web.de> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Provags-ID: V01U2FsdGVkX1/0tnXxuVDv9+8mORXfg2Fu7Maq2dnBRSOdBAp sJNNeKs11Lrc6y2HWnqrxPJIZgEcVXRd5CzNXkBhcYZKqpS0pc fWaMVrMx4OmLOGahSoPng== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 19 March 2007 08:39:15 Tejun Heo wrote: > Christian wrote: > > Yes, for me the problem was introduced recently. I have moved around > > terabytes (sic!) on my discs with older kernels and I never got errors. > > There is always the possibility of disk going bad, so it would be great > if you can boot an older kernel and verify that the problem doesn't > occur on it. > > Thanks. I've tested multiple kernels (including -mm series) in the range of 2.6.19.7 (before sata_nv adma support went in) up to 2.6.20-rc4. Every NCQ enabled kernel I've tested showed ata errors in dmesg. So I came to the conclusion that my system was faulty. I ran memtest86+ for a long time, but no errors were found. After some fiddling with my HW I discovered that the nforce chipset fan induced some kind of electro magnetic interference to the southbridge, which could clearly be heard as a low frequency noise if I plugged in my speakers to the onboard sound. After replacing the fan, my system is stable again. Now running 2.6.21-rc3-mm2+rsdlv31 without errors. Really strange problem he ;-) -Christian