https://bugzilla.kernel.org/show_bug.cgi?id=199655
Bug ID: 199655
Summary: amdgpu: XFX Radeon RX 580 runs its fans only in
dangerously low speeds and ignores temperature
Product: Drivers
Version: 2.5
Kernel Version: 4.16.7
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 275835
--> https://bugzilla.kernel.org/attachment.cgi?id=275835&action=edit
dmesg_2018-05-08-quircks
In Windows AMD drivers like to ignore VGA BIOS fan control settings along with
their own "Wattman" and disable fans until core temperature starts to go near
50-60 degrees, even at full load fans don't go over 2600 RPM there BUT on Linux
they get stuck at 800-900 RPM by default (if pwm1_enable is not tempered with),
at 1300-1400 RPM if pwm1_enable is set to '2', at 3500 RPM if it set to '0' and
only manual control of '1' works as expected. temp1_* settings are outright
ignored with error "permission denied". Unless manual control is used, GPU's
core may overheat to >70 degrees (I don't even want to know what's happening on
VRMs) at >90% load. This is madness.
In Linux on idle (~0% load in radeontop) GPU doesn't go lower than 41 degrees
even with 1300-1400 RPM on fans, even though under Windows it goes to 35-40
with fans completely off (which I don't want to allow anyway because I don't
know how safe are VRMs).
Easy way to overheat it is to use 'FSRCNNX_x2_r1_16-0-4-1.glsl' from
https://github.com/igv/FSRCNN-TensorFlow/releases with a ≤720p video.
https://bugs.freedesktop.org/show_bug.cgi?id=103401#c2 - my modded BIOS with
more aggressive cooling and lower frequency than stock.
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