I found a workaround to this problem. Before starting migration, stop guest (from qemu monitor) and wait 1 second, and cont after migration. This is not quite "live" migration, but guest kernel happily continues running even under heavy I/O load. This works for both ide and virtio.
-- Block I/O crashes after migration https://bugs.launchpad.net/bugs/341682 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
