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