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[Qemu-devel] migrating instances from qemu-kvm to qemu
From: |
Serge E. Hallyn |
Subject: |
[Qemu-devel] migrating instances from qemu-kvm to qemu |
Date: |
Wed, 19 Mar 2014 16:42:47 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi,
at https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1291321
it was found that migrating running vms from a machine with
qemu-kvm to one with qemu, migration fails due to some mismatches.
The first one we usually hit is
Length mismatch: vga.vram: 1000000 in != 800000
while the second one is network card (and I have not gone beyond
that). The vga one can be handled on the command line by
specifying the -global cirrus-vga.vrammem_mb=8. However that
doesn't help with a libvirt migration.
I guess this happens at ram_load() unfortunately - is there any
good way that this could be detected at incoming migration time
and the virtual hardware modified as needed for migration to
continue?
thanks,
-serge
- [Qemu-devel] migrating instances from qemu-kvm to qemu,
Serge E. Hallyn <=
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Paolo Bonzini, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Serge E. Hallyn, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Serge E. Hallyn, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Paolo Bonzini, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Dr. David Alan Gilbert, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Serge E. Hallyn, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Dr. David Alan Gilbert, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Paolo Bonzini, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Cole Robinson, 2014/03/19
- Re: [Qemu-devel] migrating instances from qemu-kvm to qemu, Serge E. Hallyn, 2014/03/21