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Bug#991548: mesa: Since 20.3.5-1 AMD Vega GPU runs at max V and 90W in idle



On 27.7.2021 11.13, fly wrote:
Source: mesa
Version: 20.3.5-1
Severity: important
X-Debbugs-Cc: merspieler@airmail.cc

Dear Maintainer,

    * What led up to the situation?
	Update from 20.3.4-1 to 20.3.5-1
    * What exactly did you do (or not do) that was effective (or
      ineffective)?
	Update and then a reboot (PC shut down over night)
    * What was the outcome of this action?
	The GPU Idles at >90W and at max Voltage
	of 1.25V while before it was less than 10W
	and about 1V at idle.
	Secondary effects are high temps and RPM
	of the fans due to the heat.
    * What outcome did you expect instead?
	For it to behave as before.

Following chart comes from Netdata and shows
The day before and after the reboot:
https://seafile.merspieler.tk/f/70f444e3ffd248c68127/?dl=1

GPU is an AMD Vega Frontier Edition.

-- System Information:
Debian Release: 11.0
   APT prefers testing-security
   APT policy: (500, 'testing-security'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-8-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled


Are you sure mesa was the only update? 20.3.5-1 was in unstable for months before it got in testing.


--
t


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