This bloody bug happens not only on PowerPC. I have AMD Radeon 5670 graphic card. I have this bug on Ubuntu 16.10 x64 and i have it on Ubuntu 17.04 x64 development version. Now any fresh Linux version is almost unusable for me.
Already reported: https://bugs.freedesktop.org/show_bug.cgi?id=99195 And there: http://askubuntu.com/questions/858301/radeon-00000200-0-ring-0-stalled- for-more-than-10492msec ** Bug watch added: freedesktop.org Bugzilla #99195 https://bugs.freedesktop.org/show_bug.cgi?id=99195 -- 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