Thanks Malthe, the radeon.new_pll=0 setting works fine. No more flickering.
-- severe graphics flicker for radeon https://bugs.launchpad.net/bugs/538344 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs