your likely facing issues with 3D acceleration now. which is unrelated to this bug, anyway: till mesa gets an update, you have to specify a 16 bit color depth:
/etc/X11/xorg.conf Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" DefaultDepth 16 EndSection Feel free to open new bugs and add me on the notification list to help you (and others reading it) about those bugs :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1571416 Title: System freezes shortly after reaching the desktop (Ubuntu MATE 16.04, PowerPC) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1571416/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs