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SubjectRe: x86: AMD Zen2 ymm registers rolling back
On 22/02/2023 9:14 am, Borislav Petkov wrote:
> On Wed, Feb 22, 2023 at 09:33:19AM +0100, Borislav Petkov wrote:
>> It probably doesn't matter all too much but which kernel are you running
>> this on?
>> Latest and greatest I hope...
> Also, what does
> $ grep microcode /proc/cpuinfo | uniq
> say?

This sounds suspiciously like an errata which was fixed with a ucode
update last year.

Check that you are up to date with ucode.  If you are, perhaps the fix
needs another look at...


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