[ovirt-users] Re: High performance VM cannot migrate due to TSC frequency

Gianluca Cecchi <gianluca.cecchi(a)gmail.com&gt; writes: > On Wed, Dec 16, 2020 at 8:59 PM Milan Zamazal <mzamazal(a)redhat.com&gt; 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