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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    I managed to store a dmesg output by blindly typing on my keyboard while my screen stayed glitched. The output seems to be the same as journalctl though. Here are some of the ERRORS: [ 1.179183] amdgpu: CRAT table not found [ 1.180126] kfd kfd: amdgpu: BONAIRE not supported in kfd [...
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    Sorry for the long pause, live has been stressful and I forgot about this. Anyway here is the log. I am unable get to commandline with the key combination but figured a journalctl would also help.
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    This is my default config. I did not change it when I installed AMDGPU-PRO drivers: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0...
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    My system is using xorg. I followed the procedure you explained. Unfortunately I always seemed to run into the same error I was experiencing with the AMDGPU-PRO driver. (I attached an Image)
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    Yesterday I tried installing the amdgpupro driver. The installation was succesfull but after a reboot I was greeted with a blackscreen and some screensnow lines (The display looked like it was broken). I uninstalled everything through recovery and I am back where I started. @f33dm3bits when you...
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    fglrx does not seem to be installed. I assumed im using the radeon driver because "lshw" tells me i am. I did not install any other drivers manually and I am running ZorinOS 16 which is based on Ubuntu 20.04 LTS.
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    Afaik I do not have dual graphics. Here is lspci: [email protected]:~$ lspci | grep -i VGA 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Saturn XT [FirePro M6100] (rev 80) and here sudo lshw -numeric -C display: [email protected]:~$ sudo lshw -numeric -C display...
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    Artifacts when changing resolution on Imac5k late 2015. Driver problems?

    When changing the resolution on my iMac 5k late 2015, I am experiencing an artifact. Horizontal lines appear all over the screen. This happens for all resolutions under the maximum. This happens on all Linux distros including both common display servers xorg and wayland. I know that the...
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