This bug is definitely a Xorg bug. It affects all PowerPC machines. Please look in the following thread: http://ubuntuforums.org/showthread.php?t=2264322&page=22&p=13260389#post13260389.
Please help us. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1434036 Title: ubuntu MATE 15.04 PPC/Lubuntu 15.04 PPC Xorg: Only black screen with blink cursor after update To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/1434036/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs