linux-kernel - Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support

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Date:   Wed, 10 Mar 2021 10:08:56 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Babu Moger <babu.moger@....com>, Jim Mattson <jmattson@...gle.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        kvm list <kvm@...r.kernel.org>, Joerg Roedel <joro@...tes.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Makarand Sonare <makarandsonare@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support

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@...ian.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