[Bug 109093] [CI][DRMTIP]igt at kms_flip@flip-vs-dpms-interruptible - dmesg-warn - no failures in logs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109093

Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WORKSFORME
             Status|NEW                         |RESOLVED

--- Comment #1 from Martin Peres <martin.peres at free.fr> ---
(In reply to Lakshmi from comment #0)
> https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_171/fi-icl-u3/
> igt at kms_flip@flip-vs-dpms-interruptible.html
> 
> Haven't noticed any failures/errors from the logs.

The error is partially found inside the dmesg (interleaved with a lot of
failures):

<4> [249.434104] RSP: 0018:ffff9805419d3918 EFLAGS: 00010286
<4> [249.434239] intel_encoders_pre_enable.isra.13+0x61/0x80 [i915]
<4> [249.434688] RBP: 00007ffcf9c9f640 R08: 00007ffcf9c9f9a1 R09:
00007ffcf9d51080
<4> [249.434726] softirqs last disabled at (2443781): [<ffffffffb2093009>]
irq_exit+0xa9/0xc0
<4> [249.547123] CPU: 1 PID: 1606 Comm: kms_flip Tainted: G U W
4.20.0-rc6-g4ef95f23369b-drmtip_171+ #1
<4> [249.547692] RBP: 00007ffcf9c9f640 R08: 00007ffcf9c9f9a1 R09:
00007ffcf9d51080
<4> [249.657333] intel_ddi_pre_enable+0x708/0xae0 [i915]

This error happened only once, 3 months and 4 weeks ago, on a machine that has
since changed a lot (firmware, hw version, ...). All subsequent issues were
related to FIFO underruns, which are covered by:

https://bugs.freedesktop.org/show_bug.cgi?id=107724

Closing this bug!

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