I having the same error with a clean install and am foreced to use 'nomodeset' just to get to the desktop. Any attempt to install the proper AMD drivers just puts me right back to a blackscreen on bootup.
[drm:amdgpu_init [amdgpu]] *ERROR* VGACON disables amdgpu kernel modesetting Current Graphics: llvmpipe (LLVM 6.0, 128 bits) Cannot play Arma 3 on steam or any games for that matter as Open GL is not enabled. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1756324 Title: No signal after upgrading on 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1756324/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
