This may be related to the ticket #1507150 ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507150 ) .
Both tickets have the following in common : 1. radeon.dpm=1 2. Radeon Mobile 3650 3. Lockup with dmesg that mentions 'stalling' and 'rings' 4. Both using open source radeon driver. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1409393 Title: radeon GPU lockup CP stall To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1409393/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
