linux-kernel - Re: [PATCH 6.14 000/197] 6.14.7-rc1 review

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Message-ID: <968725b4-d12a-482b-9a03-b1f689eaf799@amd.com>
Date: Tue, 13 May 2025 08:07:18 -0500
From: Mario Limonciello <mario.limonciello@....com>
To: Christian Heusel <christian@...sel.eu>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev,
 linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
 akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
 patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
 jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com,
 srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
 hargar@...rosoft.com, broonie@...nel.org,
 Alex Deucher <alexander.deucher@....com>, Ray Wu <ray.wu@....com>,
 Wayne Lin <Wayne.Lin@....com>
Subject: Re: [PATCH 6.14 000/197] 6.14.7-rc1 review

On 5/12/2025 7:26 PM, Christian Heusel wrote:
> On 25/05/12 07:37PM, Greg Kroah-Hartman wrote:
>> This is the start of the stable review cycle for the 6.14.7 release.
>> There are 197 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 Wed, 14 May 2025 17:19:58 +0000.
>> Anything received after that time might be too late.
> 
> Hello everyone,
> 
> I have noticed that the following commit produces a whole bunch of lines
> in my journal, which looks like an error for me:
> 
>> Wayne Lin <Wayne.Lin@....com>
>>      drm/amd/display: Fix wrong handling for AUX_DEFER case
> 
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX reply command not ACK: 0x01.
> amdgpu 0000:04:00.0: amdgpu: [drm] amdgpu: AUX partially written
> 
> this does not seem to be serious, i.e. the system otherwise works as
> intended but it's still noteworthy. Is there a dependency commit missing
> maybe? From the code it looks like it was meant to be this way 🤔
> 
> You can find a full journal here, with the logspammed parts in
> highlight:
> https://gist.github.com/christian-heusel/e8418bbdca097871489a31d79ed166d6#file-dmesg-log-L854-L981
> 
> Cheers,
> Chris

Here's the fix:

https://lore.kernel.org/amd-gfx/CADnq5_MrUPvFVTkMixCuhFqpEuk+cKQpXJPBBBpaVwqrTashMA@mail.gmail.com/T/#mf9e4e3b93b4b0815a3bce61a4f1f92dab08e4164

Thanks,