[Bug 88411] [HSW] stuck on render ring (screen is repeatedly freezing)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88411

--- Comment #10 from Jan Viktorin <iviktorin at fit.vutbr.cz> ---
Hello,

yes it does. I use Arch Linux so I've got quite new kernels. All of them were
buggy.
But the problem changes overtime. Now, with 4.4.5-1-ARCH, it sometimes freezes
in a
way that I cannot click anywhere (or the clicks are delayed) but I cannot see
any
garbage on the screen anymore (as I could before).

I can see those messages in dmesg:

[931469.554401] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[931469.554411] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
[931469.563758] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
uncleared fifo underrun on pipe B
[931469.563770] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[931530.957849] [drm] stuck on render ring
[931530.958314] [drm] GPU HANG: ecode 7:0:0x87d7fefa, in firefox [20825],
reason: Ring hung, action: reset
[931530.960386] drm/i915: Resetting chip after gpu hang

And yes, the problem is usually connected to a web browser. I prefer Firefox.
It sometimes
does not draw itself immediatelly but with some delay. When playing online
videos, it sometimes
stops drawing the video (I can just hear the sound). Chromium usually also
behaves strange
(I cannot confirm at the moment).

Just while I am writing this text, a frezee has happened many times:

[1182811.842634] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[1182811.842643] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
[1182811.856148] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
uncleared fifo underrun on pipe B
[1182811.856159] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[1185127.973155] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[1185127.973167] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
[1185127.984698] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
uncleared fifo underrun on pipe B
[1185127.984710] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[1190430.697806] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[1190430.697817] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
[1190430.707191] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
uncleared fifo underrun on pipe B
[1190430.707202] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun

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