<6> [160.913034] i915: Running intel_heartbeat_live_selftests/live_idle_pulse
<7> [160.913080] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:89:cursor C] level wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm -> wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm
<7> [160.913218] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:89:cursor C] lines 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [160.913319] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:89:cursor C] blocks 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [160.913402] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:89:cursor C] min_ddb 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<3> [160.913598] vecs0: heartbeat pulse did not flush idle tasks
<3> [160.913602] *ERROR* pulse active pulse_active [i915]:pulse_retire [i915]
<3> [160.913805] *ERROR* pulse count: 0
<3> [160.913807] *ERROR* pulse preallocated barriers? no
<3> [160.913848] i915/intel_heartbeat_live_selftests: live_idle_pulse failed with error -22
<7> [160.913857] [drm:drm_client_modeset_probe]
