Ubuntu
linux package

  1. Bug #1568211
  2. Comment #3

Comment 3 for bug 1568211

Revision history for this message
Charlie McMackin (charliemac+bugs) wrote : Re: no UMS support in radeon module

I am also affected by this bug after upgrading to Xenial and trying to use radeon KMS. My system will only boot with `nomodeset` or `radeon.modeset=0`. Futhermore, attempting `sudo modprobe radeon modeset=1` after booting with `nomodeset` results in the same error state: screen goes blank, monitor's "No signal detected" message appears. Sometimes the machine reboots, but not always.

I have a Radeon HD5770 card. I will try to attach logs via apport