From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261473AbULFJfy (ORCPT ); Mon, 6 Dec 2004 04:35:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261475AbULFJfy (ORCPT ); Mon, 6 Dec 2004 04:35:54 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:36565 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S261473AbULFJft (ORCPT ); Mon, 6 Dec 2004 04:35:49 -0500 Date: Mon, 6 Dec 2004 10:35:18 +0100 From: Jens Axboe To: "Prakash K. Cheemplavam" Cc: Linux Kernel , Andrew Morton Subject: Re: [PATCH] Time sliced CFQ #2 Message-ID: <20041206093517.GJ10498@suse.de> References: <20041204104921.GC10449@suse.de> <41B426D4.6080506@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41B426D4.6080506@gmx.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 06 2004, Prakash K. Cheemplavam wrote: > Hi, > > this one crapped out on me, while having heavy disk activity. (updating > gentoo portage tree - rebuilding metadata of it). Unfortunately I > couldn't save the oops, as I had no hd access anymore and X would freeze > a little later...(and I don't want to risk my data a second time...) Did you save anything at all? Just the function of the EIP would be better than nothing. > > I think it had to do with preempt, or even preempt big kernel lock, as I > could read something about it. I applied your patch to 2.6.10_rc3-ck1. I > attached my config, if you want to try yourself with that kernel. cfq2 > runs w/o probs. Well hard to say anything qualified without an oops :/ I'll try with PREEMPT here. -- Jens Axboe