In this bug report https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/568605 the reporter seems to have the same problem and reports that it worked for him until -19 But its just a guess from me. Dont know if it is the same error.
-- Radeon 4550: [drm:radeon_fence_wait] *ERROR* fence https://bugs.launchpad.net/bugs/565323 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
