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Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap f
From: |
Alexandre DERUMIER |
Subject: |
Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry |
Date: |
Thu, 06 Feb 2014 12:14:33 +0100 (CET) |
Do you force rbd_cache=true in ceph.conf?
if yes, do you use cache=writeback ?
according to ceph doc:
http://ceph.com/docs/next/rbd/qemu-rbd/
"Important If you set rbd_cache=true, you must set cache=writeback or risk data
loss. Without cache=writeback, QEMU will not send flush requests to librbd. If
QEMU exits uncleanly in this configuration, filesystems on top of rbd can be
corrupted."
----- Mail original -----
De: "Stefan Priebe" <address@hidden>
À: address@hidden, "qemu-devel" <address@hidden>
Envoyé: Mercredi 5 Février 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
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- [Qemu-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Stefan Priebe, 2014/02/05
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry,
Alexandre DERUMIER <=
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Stefan Priebe - Profihost AG, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Alexandre DERUMIER, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Stefan Priebe - Profihost AG, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Stefan Priebe - Profihost AG, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Marcin Gibuła, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Dr. David Alan Gilbert, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Stefan Priebe, 2014/02/06
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Alexandre DERUMIER, 2014/02/07
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Stefan Priebe - Profihost AG, 2014/02/07
- Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry, Dr. David Alan Gilbert, 2014/02/07