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

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The Wanderer wrote: 
> On 2021-07-23 at 16:44, piorunz wrote:
> 
> > Hello,
> > 
> > I am using Bullseye 11 with Radeon 6800 XT and noticed higher
> > temperature and noise comparing to Windows, so I investigated this and
> > found the fault. GPU core works at 100% usage at all times, even at idle.
> > 
> > $ cat /sys/class/drm/card0/device/gpu_busy_percent
> > 99
> 
> That's interesting. I get the same output from that command (with a 5600
> XT), but I'm not noticing any meaningful noise that seems to be coming
> from the card.

RX560: 0

> > $ sensors
> > amdgpu-pci-0900
> > Adapter: PCI adapter
> > vddgfx:        1.14 V
> > fan1:        1098 RPM  (min =    0 RPM, max = 3000 RPM)
> > edge:         +51.0°C  (crit = +100.0°C, hyst = -273.1°C)
> >                         (emerg = +105.0°C)
> > junction:     +55.0°C  (crit = +110.0°C, hyst = -273.1°C)
> >                         (emerg = +115.0°C)
> > mem:          +56.0°C  (crit = +100.0°C, hyst = -273.1°C)
> >                         (emerg = +105.0°C)
> > power1:       74.00 W  (cap = 272.00 W)
> 
> I get 1478 RPM, and temperature readings of 66, 72, 78, plus a power
> reading of 94 W. Those do sound higher than reasonable, but I'm
> disinclined to trust the RPM value at least, since that'd be nearly 25
> revolutions per second and I'm nearly positive that'd be a lot more
> audible than what I'm hearing. And of course if that reading isn't
> accurate, there's less reason to trust the others.

Still an RX560:

amdgpu-pci-2b00
Adapter: PCI adapter
vddgfx:      887.00 mV 
fan1:        1610 RPM  (min =    0 RPM, max = 3600 RPM)
edge:         +42.0°C  (crit = +94.0°C, hyst = -273.1°C)
power1:       22.09 W  (cap =  48.00 W)


> 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.

It's plausible that there's something in power management that
can and should be turned on, and isn't.

-dsr-

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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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