From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43770) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBgdX-0007oQ-IX for qemu-devel@nongnu.org; Fri, 07 Feb 2014 03:18:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WBgdQ-0006yx-UV for qemu-devel@nongnu.org; Fri, 07 Feb 2014 03:18:11 -0500 Received: from mail-ph.de-nserver.de ([85.158.179.214]:41830) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBgdQ-0006yG-Jk for qemu-devel@nongnu.org; Fri, 07 Feb 2014 03:18:04 -0500 Message-ID: <52F496B4.5030505@profihost.ag> Date: Fri, 07 Feb 2014 09:17:56 +0100 From: Stefan Priebe - Profihost AG MIME-Version: 1.0 References: <50562927-0498-460b-8f29-98722e332149@mailpro> In-Reply-To: <50562927-0498-460b-8f29-98722e332149@mailpro> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: Alexandre DERUMIER Cc: qemu-devel , "Dr. David Alan Gilbert" Am 07.02.2014 09:15, schrieb Alexandre DERUMIER: > > do you use xbzrle for live migration ? no - i'm really stucked right now with this. Biggest problem i can't reproduce with test machines ;-( Stefan > > ----- Mail original ----- > > De: "Stefan Priebe" > À: "Dr. David Alan Gilbert" > Cc: "Alexandre DERUMIER" , "qemu-devel" > Envoyé: Jeudi 6 Février 2014 21:00:27 > Objet: Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry > > Hi, > Am 06.02.2014 20:51, schrieb Dr. David Alan Gilbert: >> * Stefan Priebe - Profihost AG (s.priebe@profihost.ag) wrote: >>> some more things which happen during migration: >>> >>> php5.2[20258]: segfault at a0 ip 0000000000740656 sp 00007fff53b694a0 >>> error 4 in php-cgi[400000+6d7000] >>> >>> php5.2[20249]: segfault at c ip 00007f1fb8ecb2b8 sp 00007fff642d9c20 >>> error 4 in ZendOptimizer.so[7f1fb8e71000+147000] >>> >>> cron[3154]: segfault at 7f0008a70ed4 ip 00007fc890b9d440 sp >>> 00007fff08a6f9b0 error 4 in libc-2.13.so[7fc890b67000+182000] >> >> OK, so lets just assume some part of memory (or CPU state, or memory >> loaded off disk...) >> >> You said before that it was happening on a 32GB image - is it *only* >> happening on a 32GB or bigger VM, or is it just more likely? > > Not image, memory. I've only seen this with vms having more than 16GB or > 32GB memory. But maybe this also indicates that just the migration takes > longer. > >> I think you also said you were using 1.7; have you tried an older >> version - i.e. is this a regression in 1.7 or don't we know? > Don't know. Sadly i cannot reproduce this with test VMs only with > production ones. > > Stefan > >> Dave >> -- >> Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK >>