From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751786AbXAOC1J (ORCPT ); Sun, 14 Jan 2007 21:27:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751788AbXAOC1J (ORCPT ); Sun, 14 Jan 2007 21:27:09 -0500 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:33785 "EHLO pd5mo2so.prod.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751786AbXAOC1I (ORCPT ); Sun, 14 Jan 2007 21:27:08 -0500 Date: Sun, 14 Jan 2007 20:25:57 -0600 From: Robert Hancock Subject: Re: SATA exceptions with 2.6.20-rc5 In-reply-to: <45AAC95B.1020708@garzik.org> To: Jeff Garzik Cc: =?ISO-8859-1?Q?Bj=F6rn_Steinbrink?= , linux-kernel@vger.kernel.org, htejun@gmail.com Message-id: <45AAE635.8090308@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: <45AAC039.1020808@shaw.ca> <45AAC95B.1020708@garzik.org> User-Agent: Thunderbird 1.5.0.9 (Windows/20061207) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jeff Garzik wrote: >> Looks like all of these errors are from a FLUSH CACHE command and the >> drive is indicating that it is no longer busy, so presumably done. >> That's not a DMA-mapped command, so it wouldn't go through the ADMA >> machinery and I wouldn't have expected this to be handled any >> differently from before. Curious.. > > It's possible the flush-cache command takes longer than 30 seconds, if > the cache is large, contents are discontiguous, etc. It's a > pathological case, but possible. > > Or maybe flush-cache doesn't get a 30 second timeout, and it should...? > (thinking out loud) > > Jeff If the flush was still in progress I would expect Busy to still be set, however.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/