From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33724) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WE2ry-0007Px-37 for qemu-devel@nongnu.org; Thu, 13 Feb 2014 15:26:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WE2rt-0007oi-Mh for qemu-devel@nongnu.org; Thu, 13 Feb 2014 15:26:50 -0500 Received: from mail-ph.de-nserver.de ([85.158.179.214]:52889) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WE2rs-0007nQ-87 for qemu-devel@nongnu.org; Thu, 13 Feb 2014 15:26:45 -0500 Message-ID: <52FD2A83.2000601@profihost.ag> Date: Thu, 13 Feb 2014 21:26:43 +0100 From: Stefan Priebe MIME-Version: 1.0 References: <52F4D9E2.4010600@profihost.ag> <52F4DD77.7000209@redhat.com> <52F4E211.9080808@profihost.ag> <52F4E37D.4050204@profihost.ag> <52F5321C.4090605@profihost.ag> <20140207200204.GA5013@work-vm> <52F53DBC.8000209@profihost.ag> <52F68438.9050300@profihost.ag> <20140210160706.GK3545@work-vm> <52F92035.5040402@profihost.ag> <20140213200617.GK24733@work-vm> In-Reply-To: <20140213200617.GK24733@work-vm> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Dr. David Alan Gilbert" Cc: Paolo Bonzini , qemu-devel , Alexandre DERUMIER , owasserm@redhat.com Am 13.02.2014 21:06, schrieb Dr. David Alan Gilbert: > * Stefan Priebe (s.priebe@profihost.ag) wrote: >> Am 10.02.2014 17:07, schrieb Dr. David Alan Gilbert: >>> * Stefan Priebe (s.priebe@profihost.ag) wrote: >>>> i could fix it by explicitly disable xbzrle - it seems its >>>> automatically on if i do not set the migration caps to false. >>>> >>>> So it seems to be a xbzrle bug. >>> >>> Stefan can you give me some more info on your hardware and >>> migration setup; that stressapptest (which is a really nice >>> find!) really batters the memory and it means the migration >>> isn't converging for me, so I'm curious what your setup is. >> >> That one is devlopment by google and known to me since a few years. >> Google has detected that memtest and co are not good enough to >> stress test memory. > > Hi Stefan, > I've just posted a patch to qemu-devel that fixes two bugs that > we found; I've only tried a small stressapptest run and it seems > to survive with them (where it didn't before); you might like to try > it if you're up for rebuilding qemu. > > It's the one entitled ' [PATCH] Fix two XBZRLE corruption issues' Thanks! Really would love to try them but nor google nor myself can find them. http://osdir.com/ml/qemu-devel/2014-02/ Stefan > I'll try and get a larger run done myself, but I'd be interested to > hear if it fixes it for you (or anyone else who hit the problem). > > Dave > -- > Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK >