[Bug 86365] [PNV/SKL/BYT]igt/kms_pipe_crc_basic some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86365

Jari Tahvanainen <jari.tahvanainen at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 platform|BSW/CHT, BYT, PNV, SKL      |KBL

--- Comment #29 from Jari Tahvanainen <jari.tahvanainen at intel.com> ---
This failure has not been visible in Patchwork Intel GFX CI Testing during
August. I propose this to be closed as Resolved + Worksforme. Please comment if
you disagree.

The following cases have pass verdict on the 63 latest execution rounds:
igt at kms_pipe_crc_basic@bad-nb-words-1
igt at kms_pipe_crc_basic@bad-nb-words-3
igt at kms_pipe_crc_basic@bad-pipe
igt at kms_pipe_crc_basic@bad-source
igt at kms_pipe_crc_basic@hang-read-crc-pipe-a
igt at kms_pipe_crc_basic@hang-read-crc-pipe-b
igt at kms_pipe_crc_basic@hang-read-crc-pipe-c
igt at kms_pipe_crc_basic@nonblocking-crc-pipe-a
igt at kms_pipe_crc_basic@nonblocking-crc-pipe-a-frame-sequence
igt at kms_pipe_crc_basic@nonblocking-crc-pipe-b
igt at kms_pipe_crc_basic@nonblocking-crc-pipe-b-frame-sequence
igt at kms_pipe_crc_basic@nonblocking-crc-pipe-c
igt at kms_pipe_crc_basic@nonblocking-crc-pipe-c-frame-sequence
igt at kms_pipe_crc_basic@read-crc-pipe-a
igt at kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence
igt at kms_pipe_crc_basic@read-crc-pipe-b
igt at kms_pipe_crc_basic@read-crc-pipe-b-frame-sequence
igt at kms_pipe_crc_basic@read-crc-pipe-c
igt at kms_pipe_crc_basic@read-crc-pipe-c-frame-sequence
igt at kms_pipe_crc_basic@suspend-read-crc-pipe-a
igt at kms_pipe_crc_basic@suspend-read-crc-pipe-b
igt at kms_pipe_crc_basic@suspend-read-crc-pipe-c
on fi-bsw-n3050, fi-byt-n2820, fi-hsw-4770k, fi-hsw-4770r, fi-ivb-3520m,
fi-snb-2520m, fi-snb-2600, fi-bdw-5557u, fi-skl-6260u, fi-skl-6700k.
On snb there were dmesg related bug filed and fixed (#97491), which was
recorded during some of these tests.

On kbl there is one time (not on the "CPU pipe A FIFO underrun" dmesg:
[  624.807373] [drm:skl_set_cdclk] *ERROR* failed to inform PCU about cdclk
change
[  625.572804] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe A
FIFO underrun
during 
IGT-Version: 1.15-gdb97b69 (x86_64) (Linux: 4.8.0-rc4-CI-CI_DRM_1603+ x86_64)
read-crc-pipe-C: Testing connector eDP-1 using pipe C
Subtest read-crc-pipe-C: SUCCESS (2.663s)
If this is not covered by any of the current bugs then on shall file new one
for this particular failure.

On HSW there is 6 times system hang on the following tests
igt at kms_pipe_crc_basic@suspend-read-crc-pipe-a
igt at kms_pipe_crc_basic@suspend-read-crc-pipe-b
which needs to be followed and another bug needs to be filed if problem
persist.

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