From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [BUG] ide dma_timer_expiry, then hard lockup Date: Tue, 19 Jun 2007 18:10:04 +0400 Message-ID: <4677E3BC.3040307@ru.mvista.com> References: <20070618175713.GD5836@austin.ibm.com> <20070618212704.394912b8@the-village.bc.nu> <20070618204601.GF5836@austin.ibm.com> <20070618220441.3a3af8ca@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]:37645 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751267AbXFSOIV (ORCPT ); Tue, 19 Jun 2007 10:08:21 -0400 In-Reply-To: <20070618220441.3a3af8ca@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: Linas Vepstas , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Hello. Alan Cox wrote: >>I can prepare a patch, but only with a lot of guidance. I can test >>& debug, I'm highly motivated just right now ... > If you've got a nice repeatable problem please try using the libata > driver. That handles the error paths differently and doesn't try a FIFO > drain which might matter in this case I guess. FIFO drain for DMA commands? MBR, Sergei