Robert Unverzagt, thank you for reporting this and helping make Ubuntu better.
As per https://wiki.ubuntu.com/Kernel/LTSEnablementStack the Utopic stack you are using is EOL as of August 2016. If you update to the supported Xenial stack is this still reproducible? ** Tags added: latest-bios-a10.11 ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1608112 Title: radeon 0000:01:00.0: ring 0 stalled for more than 10016msec To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1608112/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
