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From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: lkp@lists.01.org
Subject: Re: [x86/kvm/lapic] d176620277: kvm-unit-tests.vmx_EPT_AD_disabled.fail
Date: Mon, 08 Oct 2018 15:04:35 +0200	[thread overview]
Message-ID: <87a7nobndo.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20181008092905.GA22413@shao2-debian>

[-- Attachment #1: Type: text/plain, Size: 367 bytes --]

kernel test robot <rong.a.chen@intel.com> 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.

Thanks,

-- 
Vitaly

WARNING: multiple messages have this Message-ID (diff)
From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: kernel test robot <rong.a.chen@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	kvm@vger.kernel.org, lkp@01.org
Subject: Re: [LKP] [x86/kvm/lapic]  d176620277: kvm-unit-tests.vmx_EPT_AD_disabled.fail
Date: Mon, 08 Oct 2018 15:04:35 +0200	[thread overview]
Message-ID: <87a7nobndo.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20181008092905.GA22413@shao2-debian>

kernel test robot <rong.a.chen@intel.com> 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.

Thanks,

-- 
Vitaly

  reply	other threads:[~2018-10-08 13:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-08  9:29 [x86/kvm/lapic] d176620277: kvm-unit-tests.vmx_EPT_AD_disabled.fail kernel test robot
2018-10-08  9:29 ` [LKP] " kernel test robot
2018-10-08 13:04 ` Vitaly Kuznetsov [this message]
2018-10-08 13:04   ` Vitaly Kuznetsov
2018-10-08 13:11   ` Paolo Bonzini
2018-10-08 13:11     ` [LKP] " Paolo Bonzini

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