[Webkit-unassigned] [Bug 161862] [GTK] WebProcess from WebKitGtk+ 2.13.91 hangs my Intel GPU

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=161862

--- Comment #8 from Andres Gomez Garcia <agomez at igalia.com> ---
(In reply to comment #7)

> $ cat /var/log/kern.log
> 
> [snip]
> 
> Sep 13 13:58:15 pomeron kernel: [11660.199863] [drm:ironlake_irq_handler
> [i915]] *ERROR* CPU pipe A FIFO underrun
> Sep 13 13:58:15 pomeron kernel: [11660.200645]
> [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch
> fifo underrun on pch transcoder A
> Sep 13 13:58:15 pomeron kernel: [11660.200671] [drm:cpt_irq_handler [i915]]
> *ERROR* PCH transcoder A FIFO underrun
> Sep 13 13:58:15 pomeron kernel: [11660.202018] [drm:ironlake_irq_handler
> [i915]] *ERROR* CPU pipe B FIFO underrun
> Sep 13 13:58:16 pomeron kernel: [11660.223535]
> [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch
> fifo underrun on pch transcoder B
> Sep 13 13:58:16 pomeron kernel: [11660.689752] [drm:ironlake_irq_handler
> [i915]] *ERROR* CPU pipe B FIFO underrun
> Sep 13 13:58:16 pomeron kernel: [11660.722393]
> [drm:intel_check_pch_fifo_underruns [i915]] *ERROR* pch fifo underrun on pch
> transcoder B

This doesn't seem related. It happens every time I change from the X session to a terminal ...

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