[Intel-gfx] intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
jani.saarinen at intel.com
Mon May 18 07:21:04 UTC 2020
Please make gitlab issue if not already done. Lakshmi, please guide.
From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Arno
Sent: maanantai 18. toukokuuta 2020 10.07
To: intel-gfx at lists.freedesktop.org; chris at chris-wilson.co.uk
Subject: Re: [Intel-gfx] intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
Is there another place to report this kind of issue? Didn't get any feedback. Did I make mistakes in my mail? I already tried the Ubuntu bug-tracker (see below) with no success.
Am 11.05.20 um 10:18 schrieb Arno:
My laptop (core m5-6y54) starts flickering after returning from Suspend (to RAM) or other commands touching the video driver (xrandr, powertop --calibrate, ...)
From kernel (tested with up to 5.7) I get the message:
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
I added a bug with more details here:
but guys from Ubuntu seems not able to help (as it is an upstream bug) !?
This happend not in older kernels, but these have the problem not to go in power save states. So I think the fix of that
causes this regression.
Hope someone can help. For a laptop it is better to have both - standby and power saving. Thank you.
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