This may be related to the ticket #1409393 ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1409393 ) .
Both tickets have the following in common : 1. radeon.dpm=1 2. Radeon Mobile 3650 3. Lockup with dmesg that mentions 'stalling' and 'rings' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507150 Title: [all variants] - Radeon HD3650 - radeon.dpm=1 - ring 0 stalled for more than 10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507150/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
