On 10/7/21 9:07 pm, Nathaniel Roach wrote:

On 10/7/21 3:31 am, Nir Soffer wrote:
On Fri, Jul 9, 2021 at 5:57 PM nroach44--- via Users <users@ovirt.org> wrote:
Hi All,

After upgrading some of my hosts to 4.4.7, and after fixing the policy issue, I'm no longer able to migrate VMs to or from 4.4.7 hosts. Starting them works fine regardless of the host version.

HE 4.4.7.6-1.el8, Linux and Windows VMs.

The log on the receiving end (4.4.7 in this case):
VDSM:
2021-07-09 22:02:17,491+0800 INFO  (libvirt/events) [vds] Channel state for vm_id=5d11885a-37d3-4f68-a953-72d808f43cdd changed from=UNKNOWN(-1) to=disconnected(2) (qemuguestagent:289)
2021-07-09 22:02:55,537+0800 INFO  (libvirt/events) [virt.vm] (vmId='5d11885a-37d3-4f68-a953-72d808f43cdd') underlying process disconnected (vm:1134)
2021-07-09 22:02:55,537+0800 INFO  (libvirt/events) [virt.vm] (vmId='5d11885a-37d3-4f68-a953-72d808f43cdd') Release VM resources (vm:5313)
2021-07-09 22:02:55,537+0800 INFO  (libvirt/events) [virt.vm] (vmId='5d11885a-37d3-4f68-a953-72d808f43cdd') Stopping connection (guestagent:438)
2021-07-09 22:02:55,539+0800 INFO  (libvirt/events) [virt.vm] (vmId='5d11885a-37d3-4f68-a953-72d808f43cdd') Stopping connection (guestagent:438)
2021-07-09 22:02:55,539+0800 INFO  (libvirt/events) [vdsm.api] START inappropriateDevices(thiefId='5d11885a-37d3-4f68-a953-72d808f43cdd') from=internal, task_id=7abe370b-13bc-4c49-bf02-2e40db142250 (api:48)
2021-07-09 22:02:55,544+0800 WARN  (vm/5d11885a) [virt.vm] (vmId='5d11885a-37d3-4f68-a953-72d808f43cdd') Couldn't destroy incoming VM: Domain not found: no domain with matching uuid '5d11885a-37d3-4f68-a953-72d808f43cdd' (vm:4046)
2021-07-09 22:02:55,544+0800 INFO  (vm/5d11885a) [virt.vm] (vmId='5d11885a-37d3-4f68-a953-72d808f43cdd') Changed state to Down: VM destroyed during the startup (code=10) (vm:1895)

syslog shows:
Jul 09 22:35:01 HOSTNAME abrt-hook-ccpp[177862]: Process 177022 (qemu-kvm) of user 107 killed by SIGABRT - dumping core

qemu:
qemu-kvm: ../util/yank.c:107: yank_unregister_instance: Assertion `QLIST_EMPTY(&entry->yankfns)' failed.
2021-07-09 14:02:54.521+0000: shutting down, reason=failed
Looks like another qemu 6.0.0 regression. Please file ovirt bug for this.

Note that on RHEL we are still using qemu 5.2.0. qemu 6.0.0 is expected
in RHEL 8.5.
Filed: https://bugzilla.redhat.com/show_bug.cgi?id=1981005
When migrating from 4.4.7 to 4.4.6, syslog shows:
Jul 09 22:36:36 HOSTNAME libvirtd[2775]: unsupported configuration: unknown audio type 'spice'
Sharing vm xml can help to understand this issue.
Looks like it will be this section:

    <channel type='spicevmc'>
      <target type='virtio' name='com.redhat.spice.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='3'/>
    </channel>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <graphics type='spice' autoport='yes' passwd='*****' passwdValidTo='1970-01-01T00:00:01'>
      <listen type='network' network='vdsm-ovirtmgmt'/>
      <channel name='main' mode='secure'/>
      <channel name='display' mode='secure'/>
      <channel name='inputs' mode='secure'/>
      <channel name='cursor' mode='secure'/>
      <channel name='playback' mode='secure'/>
      <channel name='record' mode='secure'/>
      <channel name='smartcard' mode='secure'/>
      <channel name='usbredir' mode='secure'/>
    </graphics>
--->    <audio id='1' type='spice'/>
    <video>
      <model type='qxl' ram='65536' vram='8192' vgamem='16384' heads='1' primary='yes'/>
      <alias name='ua-fe36f06c-e2b1-4af6-86cf-718e211e85bb'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
    </video>

I just thought to check, the VM above does not have not have sound enabled, and is missing this line when running on 4.4.6. When it's running on 4.4.7 it *does* have this line in the config.

Milan, did we test migration from 4.4.7 to 4.4.6?

Nir
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Thanks!

Nathaniel Roach

Thanks!

Nathaniel Roach