well i tried them anyway
beside if i dont use usr/bin/amdgpu-pro-uninstall.... after every fail attempts
it dont even boot
all i see is black screen
>>> We should have a 20.50 driver posted on Thursday (3/18) with kernel 5.8 support. <<<
Success - 3x!
Installed amdgpu 20.50 on 20.04.2 w/5.8.0-45 kernel. Clean install w/ amdgpu-install -y --opencl=legacy,rocr --no-dkms --headless. Video on this host is fglrx vintage, Thames 7500M, so main driver is MESA/Clover
Installed amdgpu 20.50 on 2 other hosts w/ RX480 20.04.2 & 5.4.0-67 kernel. Clean installs w/ amdgpu-pro-install -y --opencl=legacy,rocr.
screen with alt+f4 flickering unable to type...
with alt+f2 manage to login to console but sudo startx refused to run...
in the end u reinstall whole OS and retried with
sudo apt-get install -y linux-image-generic
sudo apt-get purge ......
after that i didnt get error code 1
however i get this warning
WARNING: nomodeset detected in kernel parameters, amdgpu requires KMS
i still see black screen but in console i confirmed gpu seems installed
wondering how to fix this part now..
its like solving 5000 pieces puzzle =_=
>WARNING: nomodeset detected in kernel parameters, amdgpu requires KMS
Guessing you have this in your grub settings ? Nothing is going to work while nomodeset is there.
>sudo apt-get install -y linux-image-generic
If you use the newly posted 20.50 driver you won't need to go back to the generic kernel - a stock 20.04.2 install should work.
After restarting the computer, I couldn't start Ubuntu normally, I only had a low res image. This occurred after 20.45 failed to install. Not only had it ignored the --no-dkms parameter, it had blacklisted amdgpu as well! I had to remove the blacklist before I could boot normally.
GPU: R9 390
Installed fresh ubuntu 20.04.2. Kernel 5.8.0-45. Original drivers are "radeon". Everything would be good, but always after ~10minutes of usage screen goes dark.
trying install AMDGPU drivers 20.50, but after install just by .amdgpu-install or with parameters - .amdgpu-install -y --opencl=legacy,rocr --no-dkms --headless after restart ubuntu can't boot anymore. Always black screen.
Black screen doesn't add any records to syslog or xorg logs.
Any idea? I really want to use ubuntu, but it's unusable.
@darius00 You haven't said which card you are installing and knowing that and what video drivers you intend to be using would help a lot.
Your "amdgpu-install -y --opencl=legacy,rocr --no-dkms --headless" install string raises some questions. no-dkms says skip building custom modules for your system, use only canned libs. headless says install opencl only, nothing else. Video drivers would default to whatever comes with the kernel. Is that really what you want? Why?
Using ./amdgpu-pro-install -y --opencl=legacy,rocr should work right out of the box for your 20.04.2/5.8.0-45 and give you the full AMD video driver stack tailored to your system. Of course after running ./amdgpu-install --uninstall to remove everything from your previous attempts.
@mountkiddThank you for your response!
My GPU is R9 390. Honestly saying I don't know much what those parameters in my previous attempt means. I just saw someones comment that it worked with that combo and I tried. Will try your suggestion "/amdgpu-pro-install -y --opencl=legacy,rocr"