From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750983AbWFXRlL (ORCPT ); Sat, 24 Jun 2006 13:41:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750987AbWFXRlL (ORCPT ); Sat, 24 Jun 2006 13:41:11 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:5342 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1750983AbWFXRlJ (ORCPT ); Sat, 24 Jun 2006 13:41:09 -0400 Subject: Re: 2.6.17-...: looong writeouts From: Arjan van de Ven To: Alexey Dobriyan Cc: Donald Parsons , linux-kernel@vger.kernel.org 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 19:41:05 +0200 Message-Id: <1151170866.3181.71.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html 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. but a script in your distro might have...