Ubuntu
xorg package

  1. Bug #1743797
  2. Comment #2

Comment 2 for bug 1743797

Revision history for this message
Timo Aaltonen (tjaalton) wrote : Re: Xorg not recognizing AMD graphics card

putting 'radeon.modeset=0' to kernel options is what disables all hw acceleration

if it doesn't boot properly without that, you need to test a newer kernel, so try installing 'linux-generic-hwe-16.04'