Re: [LKP] [x86/kvm/lapic] d176620277: kvm-unit-tests.vmx_EPT_AD_disabled.fail

From: Paolo Bonzini
Date: Mon Oct 08 2018 - 09:11:17 EST


On 08/10/2018 15:04, Vitaly Kuznetsov wrote:
> kernel test robot <rong.a.chen@xxxxxxxxx> writes:
>
>> [31mFAIL[0m vmx_EPT_AD_disabled (19 tests, 1 unexpected failures)
>
> It seems the test is buggy: MMIO access is tested by reading ACPI
> version from 0xfee00030 without putting APIC to xAPIC mode first. I'll
> double check and send a patch to kvm-unit-test in case my guess is
> correct.

Yes, it's probably using x2apic mode.

Paolo