Ubuntu
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  1. Bug #1550779
  2. Comment #4

Comment 4 for bug 1550779

Revision history for this message
Hubert Hesse (hubx) wrote : Re: [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches

With the previous kernel I don't see the glitches nor the i915 underruns
$ uname -a
Linux river 4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
$ dmesg | grep i915
[ 2.698444] [drm] Initialized i915 1.6.0 20150522 for 0000:00:02.0 on minor 0
[ 2.763865] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
[ 3.498858] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 3.498859] i915 0000:00:02.0: registered panic notifier