1.040787] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> > [1.040788] [drm] Driver supports precise vblank timestamp query.
> > [1.066820] [drm] Initialized i915 1.6.0 20160425 for :00:02.0 on
> > minor 0
> > [1.231007] fbcon: inteldrmfb (fb0) is p
lized i915 1.6.0 20160425 for :00:02.0 on
> minor 0
> [1.231007] fbcon: inteldrmfb (fb0) is primary device
> [2.524538] i915 :00:02.0: fb0: inteldrmfb frame buffer device
> ...
> [ 92.825302] [drm:intel_set_cpu_fifo_underrun_reporting] *ERROR* uncleared
> f
frame buffer device
...
[ 92.825302] [drm:intel_set_cpu_fifo_underrun_reporting] *ERROR* uncleared
fifo underrun on pipe A
[ 92.825312] [drm:ironlake_irq_handler] *ERROR* CPU pipe A FIFO underrun
This is going on for all v4.6 kernel releases as well as v4.7-rcX. Older, v4.4
and v4.5, kernels