Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755203Ab1FJIRe (ORCPT ); Fri, 10 Jun 2011 04:17:34 -0400 Received: from lucidpixels.com ([75.144.35.66]:56269 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753862Ab1FJIRc (ORCPT ); Fri, 10 Jun 2011 04:17:32 -0400 Date: Fri, 10 Jun 2011 04:17:31 -0400 (EDT) From: Justin Piszcz To: Thomas Gleixner cc: LKML , Alan Piszcz , Ingo Molnar , Peter Zijlstra Subject: Re: 2.6.39: crash w/threadirqs option enabled In-Reply-To: Message-ID: References: User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1910 Lines: 61 On Fri, 20 May 2011, Thomas Gleixner wrote: > On Fri, 20 May 2011, Justin Piszcz wrote: >> On Fri, 20 May 2011, Thomas Gleixner wrote: >> >>> On Fri, 20 May 2011, Justin Piszcz wrote: >>>> On Fri, 20 May 2011, Thomas Gleixner wrote: >>>>> Does it crash right away or just when doing something particular? >>>> It crashed at 2100, this is when I run a few I/O intensive processes: >>>> - backup (dump ext4 filesystem -> to a separate raid device) >>>> - backup (dump ext4 on remote host -> to separate raid device) >>>> - backup (dump xfs on remote host -> to separate raid device) >>>> >>>> This looks like it is what caused it to crash. >>> >>> That narrows it down somewhat, but does not give us a clue at all :( >>> >>>>> Is the box fully dead after the crash ? >>>> The host was online and I went away for awhile, when I came back the >>>> system >>>> had rebooted on its own (as I lost all of my X windows/etc). >>> >>> Hmm. Did you have panic_timeout set ? >> >> Hi, >> >> No, I do not use panic_timeout or any type of watchdog that would reboot >> the system upon a lockup/crash. > > Yuck, that means it ran into a triple fault. Nasty. I have no idea how > to debug that at the moment and I was not able to reproduce on one of > my test systems. Maybe I need to try harder. > > Thanks, > > tglx > > > > Hi, Crashed again and it rebooted too: reboot system boot 2.6.39 Thu Jun 9 23:58 - 04:05 (04:06) user1 pts/0 X Thu Jun 9 19:25 - 19:30 (00:04) user1 pts/10 X Thu Jun 9 18:23 - crash (05:35) Any thoughts on what could be causing this? Should I go back to 2.6.38? Justin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/