Apologies... forgot to mention: This affects ubuntu 16.04 uname -a
Linux hp-grey 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:13 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux I have tried the following mainline kernels and they don't seem to have made any difference v4.7-rc5-yakkety/ v4.4.4-wily/ Running with nomodeset allows the GUI to show up in 800x600 but doesn't allow any resolution change. Output of xrandr --listproviders just says "Can't open display " Please let me know if I can be of any further help James -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-amdgpu in Ubuntu. https://bugs.launchpad.net/bugs/1597079 Title: AMDGPU Black Screen when Booting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1597079/+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
