From: Dmitry Monakhov Subject: Re: openvz: Oops in ext4 when VPS starts Date: Fri, 23 Jul 2010 11:43:32 +0400 Message-ID: <87tynqfxsr.fsf@dmon-lap.sw.ru> References: <20100722150145.GE14882@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Ted Ts'o" , linux-kernel@vger.kernel.org, devel@openvz.org, Andreas Dilger , linux-ext4@vger.kernel.org To: Drunkard Zhang Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:46737 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064Ab0GWHnk convert rfc822-to-8bit (ORCPT ); Fri, 23 Jul 2010 03:43:40 -0400 In-Reply-To: (Drunkard Zhang's message of "Fri, 23 Jul 2010 10:22:08 +0800") Sender: linux-ext4-owner@vger.kernel.org List-ID: Drunkard Zhang writes: > 2010/7/22 Ted Ts'o : >> On Thu, Jul 22, 2010 at 05:39:16PM +0800, Drunkard Zhang wrote: >>> I run into a oops when mirgate /vz directory to ext4 lvm under gent= oo + openvz. >> >> What were you doing precisely at the time of the oops? =C2=A0The oop= s logs >> indicates it was a cp, but a cp of what? =C2=A0And is this somethign= you >> can easily reproduce? >> Wow. Sorry almost missed that thread. 2.6.32-openvz-budarin.1 does not contains any specific patches for ext4= =2E So it is probably memory corruption caused by ovz stuff (2.6.32 is sti= ll experimental), or you caught unknown bug, the later it very unlikely be= cause "cp" is very popular cmd :) I'll try to reproduce your issue. > I did: "/etc/init.d/vz start" with vpsid 101 and 109, which from: > http://bb.xnull.de/projects/gentoo/amd64/stage4-amd64-current.tar.bz2 > following the guide from: > http://www.gentoo.org/proj/en/vps/openvz-howto.xml > > Didn't change the content of stage4-amd64-current.tar.bz2 yet. > It looks like when "/etc/init.d/vz start", it will cp all files from > /vz/private/101/ to /vz/root/root/101/ That's not true, root/$veid is just stacked filesystem on top of private/$veid. > > The oops allways reproduced yesterday between reboot and kernel > remake, but this morning when I trying to finger out the oops point > using strace, I can't get the oops anymore. Sorry for interrupt,:-( > > Maybe distcc caused problem? I used to make kernel... Sorry again. > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html