This is a cryptographically signed message in MIME format. --------------ms020801050409040503090409 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 03/28/2017 01:50 PM, Michal Skrivanek wrote:
=20
On 28 Mar 2017, at 13:41, Ji=C5=99=C3=AD Sl=C3=A9=C5=BEka <jiri.slezka= @slu.cz> wrote:
On 03/28/2017 12:34 AM, Ji=C5=99=C3=AD Sl=C3=A9=C5=BEka wrote:
Hi all,
I have just upgraded ovirt manager from 4.1.0 to 4.1.1, then I have upgraded one host. After reboot and activation of this host some vms started to migrate here.
Some time after migration CPU of this vms go to 100% and vms become unreachable.
There is /var/log/libvirt/qemu/hypnos.log (hypnos is one of this vms)=
Powering off and starting again solve this but I would like to have a=
glue what is happening.
I suspect this line
2017-03-27T22:09:23.746710Z qemu-kvm: warning: TSC frequency mismatch=
between VM (2600031 kHz) and host (2100024 kHz), and TSC scaling unav= ailable
Original host uses "AMD Opteron(TM) Processor 6238" with "cpu MHz: 2600.113" and upgraded host uses "AMD Opteron(tm) Processor 6172" wit= h "cpu MHz: 2100.097".
It looks like it isn't problem with 4.1.1 at all.
There is just missing tsc_scale cpu flag on our older AMD CPUs...
http://unix.stackexchange.com/questions/296636/100-cpu-utilisation-and= -hang-after-virsh-migrate
This is probably unsolvable hw problem, right? =20 And this is without host-model CPU type? That 6172 should be Opteron G3=E2=80=A6is that what you have set in you= r Cluster?
Yes, Cluster CPU type is set to AMD Opteron G3. 6172 should be G3 (we have 3 of 4 hosts in this cluster with 6172 CPU), 6238 is probably G4 but forced (I hoped) to G3. Problem occurs only when migrating from 6238 CPU to 6172. Cheers, Jiri
=20 Thanks, michal =20
Cheers,
Jiri
Cheers,
Jiri
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_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
=20
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