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Sender: Guenter Roeck <groeck7@gmail.com>
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Date:   Wed, 13 Jul 2022 06:34:16 -0700
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To:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        kvm list <kvm@vger.kernel.org>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        shuah@kernel.org, patches@kernelci.org,
        lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com,
        f.fainelli@gmail.com, sudipm.mukherjee@gmail.com,
        slade@sladewatkins.com, Sean Christopherson <seanjc@google.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        X86 ML <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        =?UTF-8?Q?Alex_Benn=c3=a9e?= <alex.bennee@linaro.org>,
        Anders Roxell <anders.roxell@linaro.org>
References: <20220712183238.844813653@linuxfoundation.org>
 <CA+G9fYtntg7=zWSs-dm+n_AUr_u0eBOU0zrwWqMeXZ+SF6_bLw@mail.gmail.com>
From:   Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH 5.15 00/78] 5.15.55-rc1 review
In-Reply-To: <CA+G9fYtntg7=zWSs-dm+n_AUr_u0eBOU0zrwWqMeXZ+SF6_bLw@mail.gmail.com>
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On 7/13/22 05:52, Naresh Kamboju wrote:
> On Wed, 13 Jul 2022 at 00:17, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
>>
>> This is the start of the stable review cycle for the 5.15.55 release.
>> There are 78 patches in this series, all will be posted as a response
>> to this one.  If anyone has any issues with these being applied, please
>> let me know.
>>
>> Responses should be made by Thu, 14 Jul 2022 18:32:19 +0000.
>> Anything received after that time might be too late.
>>
>> The whole patch series can be found in one patch at:
>>          https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.55-rc1.gz
>> or in the git tree and branch at:
>>          git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
> 
> Results from Linaro’s test farm.
> Regressions on x86_64.
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> 
> 1) Kernel panic noticed on device x86_6 while running kvm-unit-tests.
>     - APIC base relocation is unsupported by KVM
> 

Looking into the log, I don't think that message is related to the crash.

[   67.774572] APIC base relocation is unsupported by KVM
[  105.643057] kvm: emulating exchange as write  <--- warning
[  105.653717] int3: 0000 [#1] SMP PTI
[  105.653720] CPU: 3 PID: 3747 Comm: qemu-system-x86 Not tainted 5.15.55-rc1 #1
[  105.653721] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[  105.653722] RIP: 0010:xaddw_ax_dx+0x9/0x10
...
[  105.653777] Modules linked in: x86_pkg_temp_thermal
[  105.902123] ---[ end trace cec99cae36bcbfd7 ]---
[  105.902124] RIP: 0010:xaddw_ax_dx+0x9/0x10    <--- crash
[  105.902126] Code: 00 0f bb d0 c3 cc cc cc cc 48 0f bb d0 c3 cc cc

Guenter