Certain PMU-related MSRs are not supported for CPUs with PMU
architecture below version 2. KVM rejects any access to them (see
intel_is_valid_msr_idx routine in KVM), and QEMU fails on the following
assertion:
kvm_put_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed.
QEMU also could fail
On Wed, Dec 27, 2017 at 05:04:26PM +0300, Jan Dakinevich wrote:
> Certain PMU-related MSRs are not supported for CPUs with PMU
> architecture below version 2. KVM rejects any access to them (see
> intel_is_valid_msr_idx routine in KVM), and QEMU fails on the following
> assertion:
>
> kvm_put_ms