[Bug 95736] [IVB bisected] *ERROR* uncleared fifo underrun on pipe A

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95736

--- Comment #1 from Sedat Dilek <sedat.dilek at gmail.com> ---
I have reported this issue separately and I still see this on Linux v4.7-rc5 on
my Sandybridge GPU.

[ dmesg ]
...
[   18.524752] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
[   18.527260] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[   18.527294] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun

$ grep -i sandy /var/log/Xorg.0.log
[    25.674] (II) intel(0): SNA initialized with Sandybridge (gen6, gt2)
backend

- Sedat Dilek -

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