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Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle

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On 23/07/2021 22:46, The Wanderer wrote:

>> gpu-mon (from rickslab-gpu-utils)
>
> Where does that come from? It's not in current Debian stable or testing.

In Debian, there is old ricks-amdgpu-utils, which doesn't work. New
package has been renamed upstream to rickslab-gpu-utils and most likely
will be available in Debian 12. Today you can install that from apt
repository they maintain.

>> Windows 10
>> one monitor: 9-11 W, GPU clock 0-10 MHz, Memory Clock 40-100 MHz
>> two monitors: 34 W, GPU clock 0-10 MHz, Memory Clock 2000 MHz
>>
>> Debian 11
>> one monitor: 74 W, GPU clock 2475 MHz, Memory Clock 2000 MHz
>> two monitors: 74 W, GPU clock 2475 MHz, Memory Clock 2000 MHz
>
> Where are the Debian-side results from?

 From rickslab-gpu-utils. radeontop shows the same:
1.00G / 1.00G Memory Clock 100.00%
2.47G / 2.58G Shader Clock  95.92%
Graphics pipe 100.00%

Regarding memory clock: I don't even know real MHz frequency of the
chip, some tools in Windows/Linux show 1000 or 2000 MHz, but that's
irrelevant; Cold, idle card should be at 100 Mhz tops on memory and 10
Mhz on GPU core.

> My initial guess is that this is either A: bad data / false positive
> (i.e., it's not really that bad under the hood), or B: a limitation of
> the Linux-side drivers.

Yes that must be Linux driver problem. Results are accurate I believe,
under Windows GPU fan will never spin unless gaming, because it's using
10W (one monitor) or 34W (two monitors). In Debian it's 74W minimum.

> If you're willing to try out the official direct-from-AMD drivers (which
> may or may not include an associated stack, I'm not sure), and they give
> different results, that could be informative. I'm not willing to try
> those out under present circumstances, so I can't directly contribute
> information there.

Unfortunately, I don't know how to install official AMD drivers on
Debian correctly. I've tried, but there was no Xorg, it failed to start,
I had to uninstall and revert. They publish Ubuntu version only and it's
not compatible with Debian 11, unless I don't know some tricks.

Also I've tried Mesa from experimental (via apt pinning and manual
install), Mesa 21.1.4-1 is there, but that didn't changed anything. I
reverted back to default, Bullseye repo got Mesa 20.3.5-1.

--

With kindest regards, piorunz.

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⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
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Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-23 22:50 +0200
  Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle The Wanderer <wanderer@fastmail.fm> - 2021-07-23 23:50 +0200
    Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle Dan Ritter <dsr@randomstring.org> - 2021-07-24 00:40 +0200
      Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle The Wanderer <wanderer@fastmail.fm> - 2021-07-24 00:50 +0200
        Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-24 01:10 +0200
          Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle "tv.debian@googlemail.com" <tv.debian@googlemail.com> - 2021-07-24 10:20 +0200
            Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-24 16:40 +0200
          Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-24 21:30 +0200
            Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle "tv.debian@googlemail.com" <tv.debian@googlemail.com> - 2021-07-25 11:00 +0200
            Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-25 18:20 +0200
        [SOLVED] Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-24 05:40 +0200
          Re: [SOLVED] Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-31 23:30 +0200
            Re: [SOLVED] Radeon 6800 XT: 100% GPU core usage & 74 Watts when  idle The Wanderer <wanderer@fastmail.fm> - 2021-08-01 14:40 +0200
    Re: Radeon 6800 XT: 100% GPU core usage & 74 Watts when idle piorunz <piorunz@gmx.com> - 2021-07-24 01:10 +0200

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