10:20 p.m.
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Von: Markus Stockhausen=0A=
Gesendet: Freitag, 10. April 2015 20:51=0A=
An: users(a)ovirt.org=0A=
Betreff: Live migration qemu 2.1.2 -> 2.1.3: Unknown savevm section=0A=
=0A=
Hi,=0A=
=0A=
don't know what will be the best place for the following question. =0A=
So starting with the OVirt mailing list. =0A=
=0A=
We are using OVirt with FC20 nodes with enabled virt-preview.=0A=
Thus we are running qemu 2.1.2. Everything is working smoothly =0A=
including live merge. =0A=
=0A=
For testing purposes we compiled qemu 2.1.3 from Fedora koji=0A=
and updated one of the hosts. Trying to migrate a running VM to=0A=
the new host fails with the message=0A=
=0A=
Unknown savevm section or instance 'kvm-tpr-opt' 0=0A=
=0A=
I guess some incompatibility between the versions. But qemu git=0A=
history between 2.1.2 and 2.1.3 gives no hints about the reason.=0A=
=0A=
Any ideas - or is that migration scenario not supported at all?=0A=
=0A=
The qemu venom vulnerability put me back to the topic. Just in case=0A=
someone is interested. The following patch breaks live migration=0A=
between 2.1.2 and 2.1.3.=0A=
=0A=
pc: Fix disabling of vapic for compat PC models=0A=
http://git.qemu.org/?p=3Dqemu.git;a=3Dcommit;h=3D8100812711ea480119f9796bd6=
c0895e6ac85d0f=0A=
=0A=
I dropped this one during rebuild and now everything works fine again.=0A=
=0A=
Markus=0A=
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