Comment # 17
on bug 99784
from lazanet96@gmail.com
Created attachment 136058 [details]
Workaround (Ubuntu 17.10 DRM 2.50.0 / 4.13.0-19-generic, LLVM 5.0.0)
After testing new version of kernel on Ubuntu 17.10 installation (wayland +
systemd) I discovered by chance that after suspend and unsuspend (systemctl
suspend), internal monitor starts displaying image and everything works (for
the first time with radeon driver).
So as a workaround I used /etc/rc.local compatibility to trigger suspend after
appropriate ring level is initialized during boot(sudo chmod +x /etc/rc.local
is also required).
I tested same method with 14.04 LTS with no success (so I don't know exactly
what upgrade made it work).
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