From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752833AbXCFMX6 (ORCPT ); Tue, 6 Mar 2007 07:23:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752828AbXCFMX6 (ORCPT ); Tue, 6 Mar 2007 07:23:58 -0500 Received: from dev.mellanox.co.il ([194.90.237.44]:36095 "EHLO dev.mellanox.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933251AbXCFMX5 (ORCPT ); Tue, 6 Mar 2007 07:23:57 -0500 Date: Tue, 6 Mar 2007 14:20:30 +0200 From: "Michael S. Tsirkin" To: Ingo Molnar Cc: Linus Torvalds , Thomas Gleixner , Adrian Bunk , Andrew Morton , Linux Kernel Mailing List , Michal Piotrowski , Emil Karlson , Soeren Sonnenburg , Len Brown Subject: Re: [5/6] 2.6.21-rc2: known regressions Message-ID: <20070306122030.GA4317@mellanox.co.il> Reply-To: "Michael S. Tsirkin" References: <1173138193.24738.236.camel@localhost.localdomain> <1173142948.24738.257.camel@localhost.localdomain> <20070306103315.GA4295@mellanox.co.il> <20070306103712.GA10942@elte.hu> <20070306104618.GA5792@mellanox.co.il> <20070306113225.GA22561@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070306113225.GA22561@elte.hu> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Quoting Ingo Molnar : > Subject: Re: [5/6] 2.6.21-rc2: known regressions > > > * Michael S. Tsirkin wrote: > > > > > Not yet for me unfortunately, although this seems to help. > > > > Is this the patch I should have applied? > > > > http://lkml.org/lkml/2007/3/5/445 > > > > > > > > With this applied, on resume I get *some* screen output soon after > > > > resume (e.g. with s2ram I get several characters on VGA, X starts > > > > drawing some windows) but then the crescent symbol starts blinking > > > > again and the system hangs. > > > > > > could you try this via s2ram on a text console, to see whether the > > > kernel spits out any warning before it locks up? > > > > Yes, that's what I did. Unfortunately only a couple of characters were > > shown before it locked up. > > > > I still need to check what does this do in the NO_HZ configuration. > > > > BTW, Ingo, can you suspend/resume any number of times with this patch? > > yeah, i can now suspend/resume an arbitrary number of times, vga, > network, SATA all works fine after that. (i tried it 5 times) > > i also have the patch below applied - but i dont think it should make a > difference to your case. (maybe it does though) Nope, system hangs on resume with or without this patch applied. > I've attached my config as well. Haven't tried that yet. -- MST