From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Effenberger Subject: Re: libata interface fatal error Date: Thu, 24 May 2007 16:47:36 +0200 Message-ID: <4655A588.40500@effenberger.org> References: <4655923E.5000409@effenberger.org> <46559713.9070201@gmail.com> <46559C62.2040509@effenberger.org> <46559F5B.4090700@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from garfield.effenberger.org ([85.214.43.221]:50504 "EHLO garfield.effenberger.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750876AbXEXOrj (ORCPT ); Thu, 24 May 2007 10:47:39 -0400 In-Reply-To: <46559F5B.4090700@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org Hi, > Data integrity wise there should be no problem but your error rate is > pretty high and eventually will make libata turn off NCQ and/or speed > down PHY speed. switching ports is not easy. Both on-board SATA controllers are being used, and the error seems to occur on all ports. > Yeap, your data is safe. With timeouts, data transfer speed can be much > lower tho. It definitely seems something is wrong with your hardware setup. I will try to use another test disk. Right now we use different models of Western Digital "RAID edition". Any other debug information I could gather? Florian