From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [BUG] ide dma_timer_expiry, then hard lockup Date: Thu, 21 Jun 2007 21:58:37 +0400 Message-ID: <467ABC4D.5010004@ru.mvista.com> References: <20070618175713.GD5836@austin.ibm.com> <4677FFF1.2010308@ru.mvista.com> <20070619164854.GR5836@austin.ibm.com> <200706192043.40298.bzolnier@gmail.com> <46783777.10607@ru.mvista.com> <20070620162845.GY5836@austin.ibm.com> <20070620180123.642316ae@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from h155.mvista.com ([63.81.120.155]:64557 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1756066AbXFUR4z (ORCPT ); Thu, 21 Jun 2007 13:56:55 -0400 In-Reply-To: <20070620180123.642316ae@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Linas Vepstas , Bartlomiej Zolnierkiewicz , Stuart_Hayes@dell.com, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Hello. Alan Cox wrote: >>Google seems to show that there is no publically available >>firmware updates for Maxtor disks. > There are for some but only if you irritate the tech support people. >>hours at high cpu usage.... There were maybe a a dozen DriveReady >>SeekComplete Timeout errors clustered a few minutes apart. > That suggests the drive is having problems occassionally and that the DMA > path code then blows up when they occur. >>Is there a way of viewing the contents of he command queue on >>the hard drive, to see if the command actually made it across? > queue ? You are overestimating IDE ;) He's not -- there is queued commands support since ATA[PI]-5. I'm not sure why but Linux decided not to support it. MBR, Sergei