[Bug 89806] [IVB] boot error: *ERROR* uncleared pch fifo underrun on pch transcoder A

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89806

--- Comment #23 from Florent Thiéry <florent.thiery at ubicast.eu> ---
FWITW, still having this on i5-3570K (IVB) on mb Asustek P8H77-I with
4.8.4-1-ARCH x86_64 at each boot

linux 4.8.4
libdrm 2.4.71-1

oct. 23 14:40:56 mypc kernel: [drm:intel_set_cpu_fifo_underrun_reporting
[i915]] *ERROR* uncleared fifo underrun on pipe A
oct. 23 14:40:56 mypc kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe A FIFO underrun
oct. 23 14:40:56 mypc kernel: [drm:intel_set_pch_fifo_underrun_reporting
[i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
oct. 23 14:40:56 mypc kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]]
*ERROR* PCH transcoder A FIFO underrun

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