[Bug 94337] Linux 4.5 regression: FIFO underruns on Skylake

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jun 24 09:35:45 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=94337

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Michele Lacchia from comment #6)
> This is not fixed as of Linux 4.6.2-1-ARCH. Sometimes the bug causes my
> system to completely freeze and I have to reboot with the power button. In
> journal I see:
> 
> Jun 24 10:51:01 miki-laptop kernel: [drm:intel_cpu_fifo_underrun_irq_handler
> [i915]] *ERROR* CPU pipe A FIFO underrun
> 
> but the worse one is:
...

Which is a completely separate and much more critical bug than the underrun.
Please do file a separate bug report for it.

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