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From: | Juan Quintela |
Subject: | [Qemu-devel] Re: Live migration of x86-64 kvm guests broken? |
Date: | Wed, 02 Dec 2009 19:16:47 +0100 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Jan Kiszka <address@hidden> wrote: > Hi, > > I'm facing stalled x86-64 guests after live migration when using kvm > (share disk images). This does not happen with x86-32 guests or when > disabling kvm. Both qemu and qemu-kvm git heads are affected (recent > vmstate fixes applied). Running I/O load during the migration (e.g. a > simple "ls -R /") seems to trigger it reliably. > > Can anyone confirm / comment on this? Do we fail to restore some magic > state that only long mode cares about? My tests were with badblocks -svw /dev/vda (qemu.git not qemu-kvm) I can try if you want. Later, Juan.
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