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From: Babu Moger <babu.moger@amd.com>
To: Jim Mattson <jmattson@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	kvm list <kvm@vger.kernel.org>, Joerg Roedel <joro@8bytes.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Makarand Sonare <makarandsonare@google.com>,
	Sean Christopherson <seanjc@google.com>
Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support
Date: Wed, 20 Jan 2021 21:10:03 -0600	[thread overview]
Message-ID: <01cf2fd7-626e-c084-5a6a-1a53d111d9fa@amd.com> (raw)
In-Reply-To: <21ee28c6-f693-e7c0-6d83-92daa9a46880@amd.com>



On 1/20/21 3:45 PM, Babu Moger wrote:
> 
> 
> On 1/20/21 3:14 PM, Jim Mattson wrote:
>> On Tue, Jan 19, 2021 at 3:45 PM Babu Moger <babu.moger@amd.com> wrote:
>>>
>>>
>>>
>>> On 1/19/21 5:01 PM, Jim Mattson wrote:
>>>> On Mon, Sep 14, 2020 at 11:33 AM Babu Moger <babu.moger@amd.com> wrote:
>>>>
>>>>> Thanks Paolo. Tested Guest/nested guest/kvm units tests. Everything works
>>>>> as expected.
>>>>
>>>> Debian 9 does not like this patch set. As a kvm guest, it panics on a
>>>> Milan CPU unless booted with 'nopcid'. Gmail mangles long lines, so
>>>> please see the attached kernel log snippet. Debian 10 is fine, so I
>>>> assume this is a guest bug.
>>>>
>>>
>>> We had an issue with PCID feature earlier. This was showing only with SEV
>>> guests. It is resolved recently. Do you think it is not related that?
>>> Here are the patch set.
>>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Fkvm%2F160521930597.32054.4906933314022910996.stgit%40bmoger-ubuntu%2F&amp;data=04%7C01%7CBabu.Moger%40amd.com%7C562d8b8ea61c41a61fe608d8bda0ae3b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637467845105800757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=l%2FhF%2FlDAqFN10SzDQ1L05FH1joXrLiuMwHAibBGHOqw%3D&amp;reserved=0
>>
>> The Debian 9 release we tested is not an SEV guest.
> ok. I have not tested Debian 9 before. I will try now. Will let you know
> how it goes. thanks
> 

I have reproduced the issue locally. Will investigate. thanks

  reply	other threads:[~2021-01-21  3:24 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-11 19:27 [PATCH v6 00/12] SVM cleanup and INVPCID feature support Babu Moger
2020-09-11 19:27 ` [PATCH v6 01/12] KVM: SVM: Introduce vmcb_(set_intercept/clr_intercept/_is_intercept) Babu Moger
2020-09-11 19:28 ` [PATCH v6 02/12] KVM: SVM: Change intercept_cr to generic intercepts Babu Moger
2020-09-11 19:28 ` [PATCH v6 03/12] KVM: SVM: Change intercept_dr " Babu Moger
2020-09-11 19:28 ` [PATCH v6 04/12] KVM: SVM: Modify intercept_exceptions " Babu Moger
2020-09-12 16:52   ` Paolo Bonzini
2020-09-14 15:06     ` Sean Christopherson
2020-09-22 13:39       ` Paolo Bonzini
2020-09-22 19:11         ` Babu Moger
2020-09-23  2:43           ` Paolo Bonzini
2020-09-23 13:35             ` Babu Moger
2020-09-11 19:28 ` [PATCH v6 05/12] KVM: SVM: Modify 64 bit intercept field to two 32 bit vectors Babu Moger
2020-09-11 19:28 ` [PATCH v6 06/12] KVM: SVM: Add new intercept vector in vmcb_control_area Babu Moger
2020-09-11 19:28 ` [PATCH v6 07/12] KVM: nSVM: Cleanup nested_state data structure Babu Moger
2020-09-11 19:28 ` [PATCH v6 08/12] KVM: SVM: Remove set_cr_intercept, clr_cr_intercept and is_cr_intercept Babu Moger
2020-09-11 19:28 ` [PATCH v6 09/12] KVM: SVM: Remove set_exception_intercept and clr_exception_intercept Babu Moger
2020-09-11 19:29 ` [PATCH v6 10/12] KVM: X86: Rename and move the function vmx_handle_memory_failure to x86.c Babu Moger
2020-09-11 19:29 ` [PATCH v6 11/12] KVM: X86: Move handling of INVPCID types to x86 Babu Moger
2020-09-11 19:29 ` [PATCH v6 12/12] KVM:SVM: Enable INVPCID feature on AMD Babu Moger
2020-09-12 17:08 ` [PATCH v6 00/12] SVM cleanup and INVPCID feature support Paolo Bonzini
2020-09-14 15:05   ` Sean Christopherson
2020-09-14 18:33   ` Babu Moger
2021-01-19 23:01     ` Jim Mattson
2021-01-19 23:45       ` Babu Moger
2021-01-20 21:14         ` Jim Mattson
2021-01-20 21:45           ` Babu Moger
2021-01-21  3:10             ` Babu Moger [this message]
2021-01-21 23:51               ` Babu Moger
2021-01-23  1:52                 ` Babu Moger
2021-02-24  0:13                   ` Jim Mattson
2021-02-24 22:17                     ` Babu Moger
2021-03-10  1:04                       ` Babu Moger
2021-03-10  9:08                         ` Paolo Bonzini
2021-03-10 14:55                           ` Babu Moger
2021-03-10 14:58                             ` Babu Moger
2021-03-10 15:31                               ` Paolo Bonzini
2021-03-11  1:21                                 ` Babu Moger
2021-03-11 20:07                                   ` Borislav Petkov
2021-03-11 20:32                                     ` Borislav Petkov
2021-03-11 20:57                                       ` Babu Moger
2021-03-11 21:40                                         ` Borislav Petkov
2021-03-11 22:04                                           ` Babu Moger
2021-03-11 22:15                                             ` Babu Moger
2021-03-11 23:52                                               ` Borislav Petkov
2021-03-12 14:53                                                 ` Babu Moger
2021-03-12 16:12                                                 ` Babu Moger
2021-03-24 21:21                                                   ` Borislav Petkov
2021-03-24 21:59                                                     ` Paolo Bonzini
2021-03-25  0:05                                                     ` Hugh Dickins
2021-03-25  2:43                                                       ` Hugh Dickins
2021-03-25  9:56                                                         ` Borislav Petkov
2021-03-25 10:29                                                           ` [PATCH] x86/tlb: Flush global mappings when KAISER is disabled Borislav Petkov
2021-03-25 10:52                                                             ` Paolo Bonzini
2021-03-25 15:13                                                             ` Babu Moger
2021-03-25 16:33                                                             ` Hugh Dickins
2021-03-25 19:00                                                               ` Jim Mattson
2021-03-25 20:09                                                             ` Borislav Petkov
2021-03-25 20:36                                                               ` Sasha Levin
2021-03-25 23:19                                                                 ` Sasha Levin
2021-03-25 23:56                                                                   ` Ben Hutchings
2021-03-11 21:23                                       ` [PATCH v6 00/12] SVM cleanup and INVPCID feature support Jim Mattson
2021-03-11 21:36                                         ` Borislav Petkov
2021-03-11 21:50                                           ` Babu Moger

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