Comment 26 for bug 1700373
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| Adrien Beau (adrienbeau) wrote Re: Please update microcode to version 20170511 on all supported platforms | #26 |
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35a32c5
(Get the code!)
Uqbar, what version of Ubuntu are you using, and what kernel version?
> I cannot see any possibility that "any non-Ubuntu container" (actually anything else) is started earlier than this. Isn't it?
Quite simply, the machine could be running any kind of supervisor (Xen, Hyper-V, ESX...), which could change the microcode of the CPU, and then much later boot Ubuntu in a VM. Most likely, Ubuntu detects such cases and there is no problem, but I believe this is what Alexander E. Patrakov had in mind when mentioning non-Ubuntu containers.