Re: [PATCH 5.15 00/78] 5.15.55-rc1 review

Guenter Roeck
2022-07-13T13:34:26Z

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