Re: [Xen-devel] [PATCH] x86, amd_ucode: Skip microcode updates for final levels

[Aravind Gopalakrishnan <aravind.gopalakrishnan@xxxxxxx>]

On 7/31/2015 3:48 PM, Andrew Cooper wrote:
> > So, the patch id values have only been obtained empirically.
> > The Linux patch provides the bug reference for
> > this:https://bugzilla.suse.com/show_bug.cgi?id=913996
> > (It's a fairly long thread but the gist of it is that people
> > predominantly seem to be experiencing system hang issues
> > when they try to update microcode levels from these patch ids:
> > 0x01000098,  0x0100009f, 0x010000af)
> >
> >  From discussing about it internally, we gathered that OS/hypervisor
> > cannot reliably perform microcode updates beyond these specified levels
> > due to HW issues.
> Ok - please include this information in the comment as well please.
Will do that.

Thanks,
-Aravind.

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