From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262127AbTIWRqP (ORCPT ); Tue, 23 Sep 2003 13:46:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262129AbTIWRqP (ORCPT ); Tue, 23 Sep 2003 13:46:15 -0400 Received: from havoc.gtf.org ([63.247.75.124]:49341 "EHLO havoc.gtf.org") by vger.kernel.org with ESMTP id S262127AbTIWRqN (ORCPT ); Tue, 23 Sep 2003 13:46:13 -0400 Date: Tue, 23 Sep 2003 13:46:13 -0400 From: Jeff Garzik To: Greg Stark Cc: linux-kernel@vger.kernel.org Subject: Re: ICH5-SATA drivers freeze system when drives are spun down Message-ID: <20030923174613.GA27629@gtf.org> References: <87k77zqv1s.fsf@stark.dyndns.tv> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87k77zqv1s.fsf@stark.dyndns.tv> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 23, 2003 at 01:22:23PM -0400, Greg Stark wrote: > I've always used noflushd to spin down the drives I don't use much. Some of my > older drives are really noise, and there's enough heat in there as it is. I > just switched to a new system and I find on my new motherboard with a ICH5 > SATA controller the system doesn't behave properly when the drives are spun > down. > > The entire system freezes periodically for anywhere from half a second to 10s. > This happens about once a minute or so, sometimes more. During this time the > entire system is frozen, but when it recovers it processes all the lost i/o. Are you using my libata driver, or the stock drivers/ide driver? The stock drivers/ide ICH5 SATA driver in known to lock up in many cases, not just the one you described. Jeff