Re: Windows 10 won't run on default x86_64 machine anymore

[Igor Mammedov]

On Tue, 16 Mar 2021 18:33:47 +0100
Paolo Bonzini <pbonzini@redhat.com> wrote:

> On 16/03/21 17:49, Igor Mammedov wrote:
> >                         | smm=on     | smm=off    |
> > --------------------------------------------------
> > QEMU6.0 pc-i440fx-5.2  |    pass    | pass       |
> > defaut smm-compat=on   |            |            |
> > --------------------------------------------------
> > QEMU6.0 pc-i440fx-6.0  |    pass    | fail       |
> > defaut smm-compat=off  |            |            |
> > -------------------------------------------------|
> > 
> > so it will break booting Windows on accelerators that do not support smm
> > by default starting from pc-i440fx-6.0 machine type.
> > 
> > It asserts in: 0xa5_FAILED_ACPI_TRANSITION_ACPI!ACPIEnableEnterACPIMode  
> 
> Since smm is part of the guest ABI, can we just set use "!smm || 
> smm-compat" whenever we use smm-compat right now?

if we can't fix issue before release, then we will have to do something like 
this.


> Paolo
> 
>