From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751904AbXCDRNX (ORCPT ); Sun, 4 Mar 2007 12:13:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751922AbXCDRNX (ORCPT ); Sun, 4 Mar 2007 12:13:23 -0500 Received: from wr-out-0506.google.com ([64.233.184.227]:59105 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751904AbXCDRNW (ORCPT ); Sun, 4 Mar 2007 12:13:22 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=WBxjExBSA/+XINAzH/NGhNYz9Or/xfru3BKBo+uLIxsMxecC7qwB3NJVdXWQOrd8bxaSz3CiizTU3ZTL6NuKWXCjADW7vn/qIBS0QAqarAwq1rMGG/f/iwVscLXuoVk2eZfYHoARhnoEkP6CNzjEVdnfH2G/lVFAs08PEJV+2zU= Message-ID: <6bffcb0e0703040913g5e9131f1gf8036207a1b78203@mail.gmail.com> Date: Sun, 4 Mar 2007 18:13:20 +0100 From: "Michal Piotrowski" To: "Mariusz Kozlowski" Subject: Re: 2.6.21-rc2-mm1 Cc: "Andrew Morton" , linux-kernel@vger.kernel.org In-Reply-To: <200703041806.01621.m.kozlowski@tuxland.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070302030026.5eef0c92.akpm@linux-foundation.org> <20070304033445.cff1148f.akpm@linux-foundation.org> <200703041301.09121.m.kozlowski@tuxland.pl> <200703041806.01621.m.kozlowski@tuxland.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 04/03/07, Mariusz Kozlowski wrote: > > I'll dig some more and try to catch some data. > > Ok. I started the system and it froze after approx. 5 min. of uptime. > > Scenario: > > - I logged into kde > - started aterm > - insmod netconsole ... blah blah > - started azureus (downloading 1 torrent) > - started firefox (pandora.com -> flash playing music) > - started aterm > - started kmail > > -> fool around a bit and ... whoops -> system is frozen > > Symptoms: > - I left the computer running frozen for 5~10 minutes just in case it suddenly 'regain consciousness' > - num lock, caps lock do not make the leds on/off (looks like dead keyboard) > - unable to switch to console > - I issued sysrq-p, sysrq-t, the computer still looks dead but surprise! netconsole worked and I managed > to capture some data, no oops though > - sysrq-s does not work -> only "SysRq : Emergency Sync" gets printed ("Emergency Sync complete" does > not appear) > - hard drive I/O is dead (led not blinking when sysrq-s or whatever) > - computer is totaly unresponsive and issuing sysrq looks like playing with dead computer > - the only thing to at this stage is is hard reset > > Almost each time the frozen system looks a bit different. So not sure where to look exactly. Sometimes > the keyboard 'works' and I can switch to console, sometimes the box looks totally dead, sometimes it > loops some short fragment of music and makes weird sounds, sometimes azureus still works (wifi traffic led > is blinking), sometimes CPU is eaten up, sometimes not. The common denominator could be no hard drive I/O > activity. > > I read Michal P. report and it might be that we hit the same bug here. > > Below you'll find the output and current config attached. > > -------- > > Loglevel set to 7 > SysRq : Show Regs > > Pid: 12322, comm: firefox-bin It looks familiar. Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/)