Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support
To:     Babu Moger <babu.moger@amd.com>, Jim Mattson <jmattson@google.com>
Cc:     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>
References: <159985237526.11252.1516487214307300610.stgit@bmoger-ubuntu>
 <83a96ca9-0810-6c07-2e45-5aa2da9b1ab0@redhat.com>
 <5df9b517-448f-d631-2222-6e78d6395ed9@amd.com>
 <CALMp9eRDSW66+XvbHVF4ohL7XhThoPoT0BrB0TcS0cgk=dkcBg@mail.gmail.com>
 <bb2315e3-1c24-c5ae-3947-27c5169a9d47@amd.com>
 <CALMp9eQBY50kZT6WdM-D2gmUgDZmCYTn+kxcxk8EQTg=SygLKA@mail.gmail.com>
 <21ee28c6-f693-e7c0-6d83-92daa9a46880@amd.com>
 <01cf2fd7-626e-c084-5a6a-1a53d111d9fa@amd.com>
 <84f42bad-9fb0-8a76-7f9b-580898b634b9@amd.com>
 <032386c6-4b4c-2d3f-0f6a-3d6350363b3c@amd.com>
 <CALMp9eTTBcdADUYizO-ADXUfkydVGqRm0CSQUO92UHNnfQ-qFw@mail.gmail.com>
 <0ebda5c6-097e-20bb-d695-f444761fbb79@amd.com>
 <0d8f6573-f7f6-d355-966a-9086a00ef56c@amd.com>
From:   Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <1451b13e-c67f-8948-64ff-5c01cfb47ea7@redhat.com>
Date:   Wed, 10 Mar 2021 10:08:56 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.7.0
MIME-Version: 1.0
In-Reply-To: <0d8f6573-f7f6-d355-966a-9086a00ef56c@amd.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 10/03/21 02:04, Babu Moger wrote:
> Debian kernel 4.10(tag 4.10~rc6-1~exp1) also works fine. It appears the
> problem is on Debian 4.9 kernel. I am not sure how to run git bisect on
> Debian kernel. Tried anyway. It is pointing to
> 
> 47811c66356d875e76a6ca637a9d384779a659bb is the first bad commit
> commit 47811c66356d875e76a6ca637a9d384779a659bb
> Author: Ben Hutchings<benh@debian.org>
> Date:   Mon Mar 8 01:17:32 2021 +0100
> 
>      Prepare to release linux (4.9.258-1).
> 
> It does not appear to be the right commit. I am out of ideas now.
> hanks

Have you tried bisecting the upstream stable kernels (from 4.9.0 to 
4.9.258)?

Paolo