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Re: [Intel-gfx] [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU pipe/PCH transcoder" A FIFO underrun

From Sedat Dilek <sedat.dilek@gmail.com>
Newsgroups linux.kernel
Subject Re: [Intel-gfx] [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU pipe/PCH transcoder" A FIFO underrun
Date 2016-05-28 10:00 +0200
Message-ID <rDHk5-69X-1@gated-at.bofh.it> (permalink)
References <rCBA5-6DY-7@gated-at.bofh.it> <rDl9U-XC-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 5/27/16, Chris Bainbridge <chris.bainbridge@gmail.com> wrote:
> On 25 May 2016 at 08:31, Sedat Dilek <sedat.dilek@gmail.com> wrote:
>> Hi Daniel,
>>
>> with latest Linus Git I see this with my Intel SandyBridge GPU...
>>
>> [   17.629014] [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
>> *ERROR* CPU pipe A FIFO underrun
>> [   17.630652] [drm:intel_set_pch_fifo_underrun_reporting [i915]]
>> *ERROR* uncleared pch fifo underrun on pch transcoder A
>> [   17.630685] [drm:intel_pch_fifo_underrun_irq_handler [i915]]
>> *ERROR* PCH transcoder A FIFO underrun
>
> Guessing this is https://bugs.freedesktop.org/show_bug.cgi?id=95736
>

Thanks for the hint!

Did you try with reverting this "first bad" commit mentionned in your
BR (or a "series of commits")?

- Sedat -

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Re: [Intel-gfx] [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU  pipe/PCH transcoder" A FIFO underrun Chris Bainbridge <chris.bainbridge@gmail.com> - 2016-05-27 10:20 +0200
  Re: [Intel-gfx] [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU  pipe/PCH transcoder" A FIFO underrun Sedat Dilek <sedat.dilek@gmail.com> - 2016-05-28 10:00 +0200
  Re: [Intel-gfx] [v4.6-10530-g28165ec7a99b] i915: *ERROR* "CPU  pipe/PCH transcoder" A FIFO underrun Sedat Dilek <sedat.dilek@gmail.com> - 2016-05-30 23:10 +0200

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