radeon 0000:06:00.0: ring 3 stalled for more than 10000 msec[drm:r600_lib_test] *ERROR* radeon:fence wait failed (-35)[drm:radeon_lib_ring_test] *ERROR* radeon failed testing IB on GFX ring (-35)[drm:radeon_resume_kms] *ERROR* ib ring test failed (-35)
$ dpkg -l | grep firmware-linuxii firmware-linux-free 3.3 all Binary firmware for various drivers in the Linux kernelii firmware-linux-nonfree 0.43 all Binary firmware for various drivers in the Linux kernel