From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42506) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBlAY-0000wL-7e for qemu-devel@nongnu.org; Fri, 07 Feb 2014 08:08:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WBlAT-0006QM-6o for qemu-devel@nongnu.org; Fri, 07 Feb 2014 08:08:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:1068) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBlAS-0006QI-To for qemu-devel@nongnu.org; Fri, 07 Feb 2014 08:08:29 -0500 Date: Fri, 7 Feb 2014 13:08:23 +0000 From: "Dr. David Alan Gilbert" Message-ID: <20140207130823.GG2374@work-vm> References: <52F496B4.5030505@profihost.ag> <20140207091513.GC2374@work-vm> <52F4A554.1080400@profihost.ag> <20140207093159.GD2374@work-vm> <52F4A952.6080007@profihost.ag> <52F4CB3E.3030203@profihost.ag> <20140207122157.GF2374@work-vm> <52F4D1CA.6030501@profihost.ag> <52F4D523.9040809@redhat.com> <52F4D9E2.4010600@profihost.ag> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52F4D9E2.4010600@profihost.ag> 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: Stefan Priebe - Profihost AG Cc: Paolo Bonzini , qemu-devel , Alexandre DERUMIER * Stefan Priebe - Profihost AG (s.priebe@profihost.ag) wrote: > Hi, > > Am 07.02.2014 13:44, schrieb Paolo Bonzini: > > Il 07/02/2014 13:30, Stefan Priebe - Profihost AG ha scritto: > >>> >> i was able to reproduce with a longer running test VM running the > >>> google > >>> >> stress test. > >>> > >>> Hmm that's quite a fun set of differences; I think I'd like > >>> to understand whether the pattern is related to the pattern of what > >>> the test is doing. > > > > Stefan, can you try to reproduce it: > > first of all i've now a memory image of a VM where i can reproduce it. > reproducing does NOT work if i boot the VM freshly i need to let it run > for some hours. > > Then just when the migration finishes there is a short time frame where > the google stress app reports memory errors than when the migration > finishes it runs fine again. > > It seems to me it is related to pause and unpause/resume? But do you have to pause/resume it to cause the error? Have you got cases where you boot it and then leave it running for a few hours and then it fails if you migrate it? Dave -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK