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Hi,
El 19/9/22 a las 10:36, Eneko Lacunza escribió:
El 15/9/22 a las 12:44, Thomas Lamprecht escribió:
Am 14/09/2022 um 11:38 schrieb Eneko Lacunza via pve-devel:
I just made a kick test and 5.19.7-1 kernel continues to have issues for us
(tried live migration of 5 VMs from 5.13 to 5.19, 4 VMs froze using 100% CPU).
Well, that is somewhat expected..
How 5.19 to 5.19 is working out would be more interesting, if you got a test
host/vm combo to try.
I have time today for this.
I'll test:
- Starting VMs in a 5.19 kernel node, to see if that affects other VMs
in the same node.
- Live migration of VMs between 5.19 kernel nodes.
I'll use nodes with Ryzen 1700 and Ryzen 3700X CPUs.
Any other thing you'd like me to try?
Live migration from 5.13 to 5.19 fails about half of the time in my tests.
Starting VMs in a 5.19 node, one by one, works OK.
Live migration between 5.19 nodes (Ryzen 1700 and Ryzen 3700X) works OK.
I bulk-live-migrated 12 VMs for those tests. That would have failed with
5.15 .
I saw that a new 5.15 kernel (5.15.53) is available. I can repeat these
tests with that kernel if that helps.
Now a pair of questions:
- Should I expect a new 5.19 kernel that fixes 5.13 to 5.19 live migration?
- Do you recommend to stay with 5.13 kernel or to upgrade to 5.19?
Thanks
Eneko Lacunza
Zuzendari teknikoa | Director técnico
Binovo IT Human Project
Tel. +34 943 569 206 |https://www.binovo.es
Astigarragako Bidea, 2 - 2º izda. Oficina 10-11, 20180 Oiartzun
https://www.youtube.com/user/CANALBINOVO
https://www.linkedin.com/company/37269706/
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