I have the same problem on an Apple Mac Mini (Intel i945), screen flickers from time to time and even "freezes" occasionally. I can switch to console with CTRL-ALT-F1 but to get X-Windows back alive system must be rebooted.
Xlog says: ... (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe A! ... The problem exists since update to 8.10, 8.04 worked stable... -- [i945] spontaneous black screen (major pipe-A underrun) https://bugs.launchpad.net/bugs/311895 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
