Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756690AbYGJB1x (ORCPT ); Wed, 9 Jul 2008 21:27:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752751AbYGJB1m (ORCPT ); Wed, 9 Jul 2008 21:27:42 -0400 Received: from out3.smtp.messagingengine.com ([66.111.4.27]:32991 "EHLO out3.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750828AbYGJB1l (ORCPT ); Wed, 9 Jul 2008 21:27:41 -0400 X-Sasl-enc: f7E41dwFk/fXmAwuZkFUnArHRgn8tXHIal436+j4IVC1 1215653259 Date: Wed, 9 Jul 2008 22:27:36 -0300 From: Henrique de Moraes Holschuh To: Gerhard Wiesinger Cc: Justin Piszcz , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: Lots of con-current I/O = resets SATA link? (2.6.25.10) Message-ID: <20080710012736.GD15729@khazad-dum.debian.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 755 Lines: 18 On Wed, 09 Jul 2008, Gerhard Wiesinger wrote: > Load on power supply measured on 220V side with a true RMS Wattmeter: That won't help for the failure mode you're looking for. Hook an osciloscope to the power lines on the HD's power feed, and try to get it to trigger on any "big" variations. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- 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/