Re: GPU has a very high load if the monitor is turned off by KDE

=E5=9C=A8 2026/2/28 09:26, Qu Wenruo =E5=86=99=E9=81=93:
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>=20
> =E5=9C=A8 2026/2/28 07:53, Qu Wenruo =E5=86=99=E9=81=93:
>> Hi,
>>
>> Recently I upgraded my Arch with the following package updates:
>>
>> - Plasma (6.6.0-1 -> 6.6.1-1)
>> - Kernel (6.18.6 -> 6.18.9)
>>
>> Both are minor updates thus I thought it should be mostly smooth sailin=
g.
>>
>> But after the update, after the monitor is turned off after a timeout=
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>> (10min in my case), the fan of my GPU ramp up.
>> This also happens when my system is put into suspension.
>>
>> Unfortunately the behavior is not 100% reproducible, but still=20
>> frequently enough to notice the noisy fan running.
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> Downgrading kernel ruled out the kernel bug.
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> And I have tried 3 times to suspend, and can reproduce the high GPU load=
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> 3 times.
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> Another thing I noticed is, previous when suspending, the eGPU seems to=
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> be completely shutdown (only the power LED lights up, the work LED shut=
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> down).
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> But now when suspension happened, the eGPU doesn't shutdown at all, just=
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> with its fan ramping up.
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> Will try downgrading the firmware as the next step just in case.

Blacklisting the amdxdna module solves the suspension problem at least.

I can not hate the stupid NPU/AI thing more.

Thanks,
Qu

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> Thanks,
> Qu
>=20
>>
>>
>> The involved platform is:
>>
>> CPU: AMD Ryzen AI 9 HX 370 w/ Radeon 890M
>> iGPU: Radeon 890M
>> eGPU: RX 7600M XT
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 OcuLink eGPU from Aoostar
>>
>> All monitors are connected to that eGPU.
>>
>> Any clue on what to test next? Is it something related to KDE or the=20
>> kernel?
>>
>> Thanks,
>> Qu
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