From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265345AbUBAP20 (ORCPT ); Sun, 1 Feb 2004 10:28:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265340AbUBAP2Z (ORCPT ); Sun, 1 Feb 2004 10:28:25 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:61393 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S265350AbUBAP1x (ORCPT ); Sun, 1 Feb 2004 10:27:53 -0500 Date: Sun, 1 Feb 2004 16:27:42 +0100 From: Jens Axboe To: Alan Cc: linux-kernel@vger.kernel.org, Mans Matulewicz Subject: Re: ide-cdrom / atapi burning bug - 2.6.1 Message-ID: <20040201152742.GH11683@suse.de> References: <1075511134.5412.59.camel@localhost> <20040131093438.GS11683@suse.de> <401BF122.2090709@blue-labs.org> <20040131184923.GD11683@suse.de> <1075623865.26031.9.camel@zontar.clueserver.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1075623865.26031.9.camel@zontar.clueserver.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 01 2004, Alan wrote: > On Sat, 2004-01-31 at 10:49, Jens Axboe wrote: > > On Sat, Jan 31 2004, David Ford wrote: > > > I don't have an RW, but when my cdrom fixates, it stalls everything > > > while it's fixating. I have an nForce chipset. (2.6.x) > > > > Does "everything" mean everything on that ide channel? If so, then > > that's a hardware limitation. > > I have seen the problem as well. > > It is not just processes using the IDE. Everything will pause for a > second or two. (Which causes grief with streaming audio running at the > same time.) One process can easily stall the other, if they end up waiting on some resource. Might not always happen, but easily can. > Even more annoying is that it does not always occur. I have not tried > tracking down where the kernel is getting hung up at that moment since > it has been fairly intermittent for me. There's not much you can do about it - you may want to try -immed as mentioned earlier in this thread. -- Jens Axboe