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The CPU has been disabled by the guest operating system


Today we have 4 VMs in 2 different clusters freeze do to the error in vCenter "The CPU has been disabled by the guest operating system"


All 4 are on Ubuntu and the hosts are on VMware ESXi, 7.0.3, 20328353.

The interesting part is all these 4 VMs do the same job too, but I'm am told nothing was scheduled to happen on these VMs at that time although I did see the CPU increase around the time of the freeze.

A reset fixed the issue and they were all ok after and nothing showed in the kernel logs.
I've asked them to update Ubuntu in case it's a bug as the other 300 VMs were ok.

What do you think it could have been?


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