[Bug 103989] [BAT] igt@* - dmesg-warn - *ERROR* CPU pipe A FIFO underrun leading to incomplete.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103989

Marta Löfstedt <marta.lofstedt at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[BAT] igt@* - dmesg-warn -  |[BAT] igt@* - dmesg-warn -
                   |*ERROR* CPU pipe A FIFO     |*ERROR* CPU pipe A FIFO
                   |underrun, *ERROR* mismatch  |underrun leading to
                   |in has_audio (expected yes, |incomplete.
                   |found no)                   |
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #5 from Marta Löfstedt <marta.lofstedt at intel.com> ---
(In reply to Ville Syrjala from comment #4)
> commit 20ff39fa4312dfaee8d1314a208e6a5a3ee51cbc
> Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Date:   Wed Nov 29 18:43:01 2017 +0200
> 
>     drm/i915: Disable DP audio for g4x
> 
> fixes the has_audio issue. If the underruns persist we need a new bug for
> them.

Audio issue is wrong analyze from Martin, the issue has always started with
FIFO underruns.

The pattern with FIFO underruns and then softdog on:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3446/fi-elk-e7500/igt@kms_frontbuffer_tracking@basic.html
still persist. Please read the information on what the bug is actually about
before stating that the issue is resolved.

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