From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265944AbUHFNuk (ORCPT ); Fri, 6 Aug 2004 09:50:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265946AbUHFNuk (ORCPT ); Fri, 6 Aug 2004 09:50:40 -0400 Received: from cpu1185.adsl.bellglobal.com ([207.236.110.166]:23455 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S265944AbUHFNui (ORCPT ); Fri, 6 Aug 2004 09:50:38 -0400 Message-ID: <41138C67.7040306@rtr.ca> Date: Fri, 06 Aug 2004 09:49:27 -0400 From: Mark Lord User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en, en-us MIME-Version: 1.0 To: Alan Cox Cc: Paul Jakma , Linux Kernel Mailing List Subject: Re: libata: dma, io error messages References: <1091795565.16307.14.camel@localhost.localdomain> In-Reply-To: <1091795565.16307.14.camel@localhost.localdomain> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >>Also, the drive is extremely slow now, about 1MB/s drive transfer >>rate as reported by hdparm -T. > > Sounds like it dropped to PIO - that may be a bug triggered by the drive > failing. That should read "hdparm -t", not "-T", right? And the slowness is most likely due to the error recovery (retries) in the drive and/or driver, which cause the overall throughput to plummet for the measurement interval. Cheers -- Mark Lord (hdparm keeper & the original "Linux IDE Guy")