I am seeing this on my system with a Radeon HD 4250 and I have the updated version of both xserver-xorg-video-radeon and xserver-xorg- video-ati installed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1100286 Title: [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/1100286/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs