Re: AMD GPU Sea Islands Problem
On 12.12.2020 21:23, Guyenne Tsui
wrote:
Try purging xserver-xorg-video-amdgpu and
xserver-xorg-video-ati, then restarting
X. That should automatically result in using the modesetting X
driver. It does for
my sea islands. If it's OK, either keep it that way, or try
reinstalling only
xserver-xorg-video-amdgpu.
I tried to purge xserver-xorg-video-amdgpu and
xserver-xorg-video-ati. However it offered me to remove my entire
desktop environment. So I hesitated. I had a Pop!_OS installed on
my drive which also encountered the same graphical issues. So I
instead installed a new Pop!_OS LTS on my drive. The new Pop!_OS
also froze when the command `DRI_PRIME=1 glxgears -fullscreen` is
passed. This should indicate that the graphical issue is not a
result of my system tinkering. Since Pop!_OS is a derivative of
Ubuntu of which is a derivative of Debian, I think the issue is
either in Debian or upstream. I purged `firmware-amd-graphics` but
the graphical issue still persists. I cannot seem to locate which
package is causing the bug, so I am not sure how to file such an
ambiguous bug.
Bests Regards,
Guyenne
If you experience the same behavior on different OSs, then it is
possible GPU itself is faulty.
Since your GPU is muxless, it relies on CPU integrated graphics to
work with display, so only when you offload some task (by using
DRI_PRIME=1) to discrete GPU it fails.
If I was in your shoes I'd install Windows (evaluation version, no
need to purchase or activate anything) with AMD WHQL drivers and ran
some benchmarks just to know for sure if GPU is actually working.
If you still want to continue as-is I'd suggest to reinstall both
"xserver-xorg-video-amdgpu" and "xserver-xorg-video-ati" packages
and install "firmware-amd-graphics", but blacklist "radeon" module,
to prevent it from loading, just to be sure we use "amdgpu" driver.
And if that won't work blacklist "amdgpu" module instead.
Also delete kernel parameters for "radeon" or\and "amdgpu", since we
blacklisting modules, defaults should be fine.
Send us outputs from these commands:
$ xrandr --listproviders
$ glxinfo | grep -e "OpenGL" -e "glx"
$ DRI_PRIME=1 glxinfo | grep -e "OpenGL" -e "glx"
--
With kindest regards, Alexander.
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