From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751280AbWFYALm (ORCPT ); Sat, 24 Jun 2006 20:11:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751282AbWFYALm (ORCPT ); Sat, 24 Jun 2006 20:11:42 -0400 Received: from hegel.brightdsl.net ([66.219.128.245]:36308 "EHLO hegel.brightdsl.net") by vger.kernel.org with ESMTP id S1751280AbWFYALm (ORCPT ); Sat, 24 Jun 2006 20:11:42 -0400 Subject: Re: 2.6.17-...: looong writeouts From: Donald Parsons To: Alexey Dobriyan Cc: Arjan van de Ven , Kernel In-Reply-To: <20060624173658.GB7565@martell.zuzino.mipt.ru> References: <1151166629.4409.18.camel@danny.parsons.org> <1151167852.3181.65.camel@laptopd505.fenrus.org> <20060624173658.GB7565@martell.zuzino.mipt.ru> Content-Type: text/plain Date: Sat, 24 Jun 2006 20:11:28 -0400 Message-Id: <1151194288.4469.4.camel@danny.parsons.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2006-06-24 at 21:36 +0400, Alexey Dobriyan wrote: > On Sat, Jun 24, 2006 at 06:50:52PM +0200, Arjan van de Ven wrote: > > just a random question to rule things out: can you check if laptop mode > > is enabled? (see the /proc/sys/vm/laptop_mode file). Laptop mode will > > have the effect of grouping writes together, so if that got enabled > > accidentally for some reason, that could explain the behavior you are > > seeing. (and it would narrow down the "what broke" search problem to > > something that is a lot easier to work on) > > Mine is not laptop and I've never enabled it. > Mine is a laptop T43 running FC3 and the mode is not enabled: # cat /proc/sys/vm/laptop_mode 0 I have rebooted to 2.6.17 and the problem is there too. It happened when I tried to paste the above path from the mail. Don