6:41 a.m.
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On 03/28/2017 12:34 AM, Ji=C5=99=C3=AD Sl=C3=A9=C5=BEka wrote:
Hi all,
=20
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.
=20
Some time after migration CPU of this vms go to 100% and vms become
unreachable.
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There is /var/log/libvirt/qemu/hypnos.log (hypnos is one of this vms)
https://pastebin.com/U30xfBMJ
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Powering off and starting again solve this but I would like to have a
glue what is happening.
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I suspect this line
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2017-03-27T22:09:23.746710Z qemu-kvm: warning: TSC frequency mismatch
between VM (2600031 kHz) and host (2100024 kHz), and TSC scaling unavai=
lable
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Original host uses "AMD Opteron(TM) Processor 6238" with "cpu MHz:
2600.113" and upgraded host uses "AMD Opteron(tm) Processor 6172" with
"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-ha=
ng-after-virsh-migrate
This is probably unsolvable hw problem, right?
Cheers,
Jiri
=20
Cheers,
=20
Jiri
=20
=20
=20
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