2019 at 10:11 AM
> Subject: Re: [Bug 1550779] Re: [Lenovo ThinkPad X220] *ERROR* CPU pipe A
> FIFO underrun - Xorg glitches
> To: Bug 1550779 <1550...@bugs.launchpad.net>
>
>
>
> On 02/03/19 12:40 AM, Tom Mittelstaedt wrote:
> > complement (sorry for multiple-commen
-- Forwarded message -
From: 678 <678sh...@gmail.com>
Date: Sat, Mar 2, 2019 at 10:11 AM
Subject: Re: [Bug 1550779] Re: [Lenovo ThinkPad X220] *ERROR* CPU pipe A
FIFO underrun - Xorg glitches
To: Bug 1550779 <1550...@bugs.launchpad.net>
On 02/03/19 12:40 AM, Tom
complement (sorry for multiple-comments):
$ dmesg | grep i915
[1.439662] i915 :00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[1.439938] [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin
(v1.27)
[1.443269] [drm] Initialized i915
Let me join this with the following `dmesg | tail`:
[Feb24 23:34] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe
A FIFO underrun
[Feb25 00:23] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe
A FIFO underrun
[Feb25 01:57]
Still a problem in 18.04.1 with the latest HWE kernel.
Jan 11 10:33:02 sergey-tpd kernel: [ 54.881476]
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
underrun
Jan 11 10:33:02 sergey-tpd kernel: [ 54.882306]
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR*
