[Bug 81367] [IVB/SNB/BYT/BDW/BSW]igt/kms_flip subcases fail and don't exit testing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81367

--- Comment #12 from Paulo Zanoni <przanoni at gmail.com> ---
> I started debugging the bcs-flip-vs-dpms failures on my BDW machine, and
> this problem is certainly BDW-specific. I just can't reproduce it on
> Haswell. So I really think we should treat this bug as several smaller bugs.
> 
> For a better organization, we need to answer the following questions:
> - What are the specific cases that fail on each platform?
> - Why does it fail? Timeout? Test suite claims FAIL? Test skipped?
> - What are the output configurations used by each machine? For each machine
> tested, please describe whether it has HDMI, eDP, DP, VGA, etc.
> - Can we try to choose a specific failure from the list and bisect it? From
> your comment above it seems the previous bisect result is bad, so we may
> need to redo it.
> 
> After we get a concrete list of the problems, we need to re-evaluate the
> priority of this bug, and decide whether we want to split it or not.

Example of the answer I'm looking for:

On HSW, we're using eDP+HDMI, and:
- test ABC results in FAILURE
- test DEF and GHI results in timeout (>10 mins to end)
- test JKL causes a Kernel WARN
- all the other tests pass without timeouts, failures or WARNs
- none of the above were bisected

On BDW, we're using a machine with eDP only, and:
- test DEF results in timeout (>10 mins to end)
- test XYZ causes a Kernel WARN, and this was bisected to Kernel commit
9a97ea98e7a98
- all the other tests pass without timeouts, failures or WARNs

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