On Tue, 2021-01-12 at 23:15 -0600, Wei Huang wrote: > > On 1/12/21 12:58 PM, Andy Lutomirski wrote: > > Andrew Cooper points out that there may be a nicer workaround. Make > > sure that the SMRAM and HT region (FFFD00000000 - FFFFFFFFFFFF) are > > marked as reserved in the guest, too. > > In theory this proposed solution can avoid intercepting #GP. But in > reality SMRAM regions can be different on different machines. So this > solution can break after VM migration. > I should add to this, that on my 3970X, I just noticed that the problematic SMRAM region moved on its own (likely due to the fact that I moved some pcie cards around recently). Best regards, Maxim Levitsky
