From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [3/6] 2.6.21-rc4: known regressions Date: Wed, 28 Mar 2007 20:32:26 +0200 Message-ID: <20070328183226.GA16415@elte.hu> References: <1175065468.4017.1.camel@chaos> <200703281543.47049.maximlevitsky@gmail.com> <20070328180457.GA4253@mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <20070328180457.GA4253@mellanox.co.il> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: "Michael S. Tsirkin" Cc: Maxim , Jeff Chua , linux-ide@vger.kernel.org, jgarzik@pobox.com, gregkh@suse.de, linux-pm@lists.osdl.org, Linux Kernel Mailing List , Adrian Bunk , linux-acpi@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, "Eric W. Biederman" , Jens Axboe , Andrew Morton , Linus Torvalds , Thomas Gleixner List-Id: linux-ide@vger.kernel.org * Michael S. Tsirkin wrote: > Bingo! > = > The patch below fixes the two problems (listed above) with resume from = > RAM that I have observed on my T60 with 2.6.21-rc5: with this patch = > applied, and with CONFIG_NO_HZ unset, date advances correctly, X = > functions properly and there is no delay on first disk access. > = > Thanks very much. [...] > = > Maxim, do you plan to send this upstream? we'll fix this the right way tomorrow, by adding a proper suspend/resume = sysdev handler - the lapic clockevents driver already has that. Maxim = definitely deserves alot of kudos for having found this bug! Ingo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752366AbXC1SgK (ORCPT ); Wed, 28 Mar 2007 14:36:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965624AbXC1SgK (ORCPT ); Wed, 28 Mar 2007 14:36:10 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:42930 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752366AbXC1SgI (ORCPT ); Wed, 28 Mar 2007 14:36:08 -0400 X-Greylist: delayed 13929 seconds by postgrey-1.27 at vger.kernel.org; Wed, 28 Mar 2007 14:36:08 EDT Date: Wed, 28 Mar 2007 20:32:26 +0200 From: Ingo Molnar To: "Michael S. Tsirkin" Cc: Maxim , Thomas Gleixner , Jeff Chua , Adrian Bunk , Linus Torvalds , Andrew Morton , Linux Kernel Mailing List , "Eric W. Biederman" , "Rafael J. Wysocki" , pavel@suse.cz, linux-pm@lists.osdl.org, gregkh@suse.de, linux-pci@atrey.karlin.mff.cuni.cz, Jens Axboe , Len Brown , linux-acpi@vger.kernel.org, jgarzik@pobox.com, linux-ide@vger.kernel.org Subject: Re: [3/6] 2.6.21-rc4: known regressions Message-ID: <20070328183226.GA16415@elte.hu> References: <1175065468.4017.1.camel@chaos> <200703281543.47049.maximlevitsky@gmail.com> <20070328180457.GA4253@mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070328180457.GA4253@mellanox.co.il> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Michael S. Tsirkin wrote: > Bingo! > > The patch below fixes the two problems (listed above) with resume from > RAM that I have observed on my T60 with 2.6.21-rc5: with this patch > applied, and with CONFIG_NO_HZ unset, date advances correctly, X > functions properly and there is no delay on first disk access. > > Thanks very much. [...] > > Maxim, do you plan to send this upstream? we'll fix this the right way tomorrow, by adding a proper suspend/resume sysdev handler - the lapic clockevents driver already has that. Maxim definitely deserves alot of kudos for having found this bug! Ingo