Hangs are still happening with the latest Mesa (a203eaa4f4fb) and drm-tip
kernel (v5.0-rc4) git versions:
[ 2776.782754] Iteration 3/3: bin/testfw_app --gfx glfw --gl_api desktop_core
--width 1920 --height 1080 --fullscreen 1 --test_id gl_manhattan_off
[ 2845.656793] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, but
soft recovered
[ 2845.836983] Iteration 1/3: testfw_app --gfx glfw --gl_api desktop_core
--width 1920 --height 1080 --fullscreen 1 --test_id gl_manhattan31
[ 2915.288863] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, but
soft recovered
[ 2915.383696] Iteration 2/3: testfw_app --gfx glfw --gl_api desktop_core
--width 1920 --height 1080 --fullscreen 1 --test_id gl_manhattan31
[ 2980.104777] Iteration 3/3: bin/testfw_app --gfx glfw --gl_api desktop_core
--width 1920 --height 1080 --fullscreen 1 --test_id gl_manhattan31
[ 3044.823739] Iteration 1/3: bin/testfw_app --gfx glfw --gl_api desktop_core
--width 1920 --height 1080 --fullscreen 1 --test_id gl_manhattan31_off
[ 3113.432727] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, but
soft recovered
[ 3113.528273] Iteration 2/3: bin/testfw_app --gfx glfw --gl_api desktop_core
--width 1920 --height 1080 --fullscreen 1 --test_id gl_manhattan31_off