Gianluca Cecchi <gianluca.cec...@gmail.com> writes:
> On Wed, Dec 16, 2020 at 8:59 PM Milan Zamazal <mzama...@redhat.com> wrote:
>
>>
>> If the checkbox is unchecked, the migration shouldn't be prevented.
>> I think the TSC frequency shouldn't be written to the VM domain XML in
>> such a case and then there should be no restrictions (and no guarantees)
>> on the frequency.
>>
>> Do you mean you can't migrate even with the checkbox unchecked? If so,
>> what error message do you get in such a case?
>>
>
> Yes, exactly.
> I powered off the VM and then disabled the check and then powered on the VM
> again, that is running on host ov301. ANd I have other two hosts: ov300 and
> ov200.
> From web admin gui if I select the VM and "migrate" button I cannot select
> the destination host and inside the bix there is the words "No available
> host to migrate VMs to" and going to engine.log, as soon as I click the
> "migrate" button I see these new lines:
I see, I can reproduce it. It looks like a bug in Engine. While the VM
is correctly started without TSC frequency set, the migration filter in
Engine apparently still applies.
I'll add a note about it to the TSC migration bug.
Regards,
Milan
> 2020-12-16 23:13:27,949+01 INFO
> [org.ovirt.engine.core.bll.scheduling.SchedulingManager] (default task-41)
> [308a29e2-2c4f-45fe-bdce-b032b36d4656] Candidate host 'ov300'
> ('07b979fb-4779-4477-89f2-6a96093c06f7') was filtered out by
> 'VAR__FILTERTYPE__INTERNAL' filter 'Migration-Tsc-Frequency' (correlation
> id: null)
> 2020-12-16 23:13:27,949+01 INFO
> [org.ovirt.engine.core.bll.scheduling.SchedulingManager] (default task-41)
> [308a29e2-2c4f-45fe-bdce-b032b36d4656] Candidate host 'ov200'
> ('949d0087-2c24-4759-8427-f9eade1dd2cc') was filtered out by
> 'VAR__FILTERTYPE__INTERNAL' filter 'Migration-Tsc-Frequency' (correlation
> id: null)
> 2020-12-16 23:13:28,032+01 INFO
> [org.ovirt.engine.core.bll.scheduling.SchedulingManager] (default task-38)
> [5837b695-c70d-4f45-a452-2c7c1b4ea69b] Candidate host 'ov300'
> ('07b979fb-4779-4477-89f2-6a96093c06f7') was filtered out by
> 'VAR__FILTERTYPE__INTERNAL' filter 'Migration-Tsc-Frequency' (correlation
> id: null)
> 2020-12-16 23:13:28,032+01 INFO
> [org.ovirt.engine.core.bll.scheduling.SchedulingManager] (default task-38)
> [5837b695-c70d-4f45-a452-2c7c1b4ea69b] Candidate host 'ov200'
> ('949d0087-2c24-4759-8427-f9eade1dd2cc') was filtered out by
> 'VAR__FILTERTYPE__INTERNAL' filter 'Migration-Tsc-Frequency' (correlation
> id: null)
>
> On all three nodes I have this kind of running kernel and package versions:
>
> [root@ov300 vdsm]# rpm -q qemu-kvm libvirt-daemon systemd
> qemu-kvm-4.2.0-34.module_el8.3.0+555+a55c8938.x86_64
> libvirt-daemon-6.0.0-28.module_el8.3.0+555+a55c8938.x86_64
> systemd-239-41.el8_3.x86_64
>
> and
> [root@ov300 vdsm]# uname -r
> 4.18.0-240.1.1.el8_3.x86_64
> [root@ov300 vdsm]#
>
> Gianluca
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