From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49503) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBMut-0002W5-OQ for qemu-devel@nongnu.org; Thu, 06 Feb 2014 06:14:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WBMuo-0005D1-PN for qemu-devel@nongnu.org; Thu, 06 Feb 2014 06:14:47 -0500 Received: from mailpro.odiso.net ([89.248.209.98]:49292) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBMuo-0005Ce-IG for qemu-devel@nongnu.org; Thu, 06 Feb 2014 06:14:42 -0500 Date: Thu, 06 Feb 2014 12:14:33 +0100 (CET) From: Alexandre DERUMIER Message-ID: In-Reply-To: <52F27A13.7090003@profihost.ag> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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 Cc: qemu-devel , pve-devel@pve.proxmox.com Do you force rbd_cache=3Dtrue in ceph.conf? if yes, do you use cache=3Dwriteback ? according to ceph doc: http://ceph.com/docs/next/rbd/qemu-rbd/ "Important If you set rbd_cache=3Dtrue, you must set cache=3Dwriteback or r= isk data loss. Without cache=3Dwriteback, QEMU will not send flush requests= to librbd. If QEMU exits uncleanly in this configuration, filesystems on t= op of rbd can be corrupted." ----- Mail original ----- De: "Stefan Priebe" =C3=80: pve-devel@pve.proxmox.com, "qemu-devel" Envoy=C3=A9: Mercredi 5 F=C3=A9vrier 2014 18:51:15 Objet: [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry Hello, after live migrating machines with a lot of memory (32GB, 48GB, ...) i see pretty often crashing services after migration and the guest kernel prints: [1707620.031806] swap_free: Bad swap file entry 00377410 [1707620.031806] swap_free: Bad swap file entry 00593c48 [1707620.031807] swap_free: Bad swap file entry 03201430 [1707620.031807] swap_free: Bad swap file entry 01bc5900 [1707620.031807] swap_free: Bad swap file entry 0173ce40 [1707620.031808] swap_free: Bad swap file entry 011c0270 [1707620.031808] swap_free: Bad swap file entry 03c58ae8 [1707660.749059] BUG: Bad rss-counter state mm:ffff88064d09f380 idx:1 val:1536 [1707660.749937] BUG: Bad rss-counter state mm:ffff88064d09f380 idx:2 val:-1536 Qemu is 1.7 Does anybody know a fix? Greets, Stefan _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel