https://bugzilla.kernel.org/show_bug.cgi?id=51381
--- Comment #13 from Alex Deucher <alexdeucher at gmail.com> --- There have been a lot of PX fixes in 3.15. Can you try 3.15? Additionally, you can disable the PX runtime pm support by appending radeon.runpm=0 on the kernel command line in grub. -- You are receiving this mail because: You are watching the assignee of the bug.