I too have added Option "ForceEnablePipeA" "true" and am still getting a blank screen and "underrun on pipe A!" in the log ...
-- lockup on mac mini 945GM [8086:27a2] https://bugs.launchpad.net/bugs/218334 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