On Monday 08 February 2010 20:22:44 Lance Albertson wrote: > > On Fri, Feb 05, 2010 at 03:21:32PM -0500, Thomas Sjolshagen wrote: > >>> is anyone using libvirt-git and qemu-kvm post-0.11 and can live > >>> migrate VMs successfully for- and backwards? qemu-kvm-0.11 seems > >>> to be the latest release were live migration works, and I'm > >>> trying to figure out if its a kvm or libvirt problem, since there > >>> were other things (balloon parameter f.e.) that were changed with > >>> qemu-kvm-0.12 and caused troubles when using libvirt. > >> > >> Yes. > >> > >> I'm using the virt-preview repo (rawhide) and I just noticed, > >> today, after re-upgrading to 0.12.2-5 (since -4 has a rather nasty > >> IO problem for virtio devices against raw image files) that my > >> live-migrations fail with the following error message on the > >> destination system (i.e. the system the I'm trying to migrate to): > >> > >> /var/log/libvirt/qemu/<guest>.log: Unknown savevm section > >> -2038417646 load of migration failed > > > > This looks like a new QEMU bug to me > > I can confirm this bug is happening on Ganeti as well [1]. It appears > that if you sync the time on the guest VM before migrating back to the > other node it will "succeed" most of the time. Has anyone opened a bug > for this on the qemu-kvm bug tracker yet? I was about to do that myself. Using acpi_pm as clocksource on both guests and hosts seems to fix it for now. (For guests, clocksource=acpi_pm on kernel cmdline) -t -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list