[Bug 91434] [HSW] 23.976Hz & 24Hz modes broken on dual-display with recent (4.0.x) kernels

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91434

--- Comment #13 from Martin Andersen <martin.x.andersen at gmail.com> ---
All the logs were grabbed after booting into 3.13.5 (working) and 4.0.9
(nonworking) with the drm.debug=0xe kernel option set using a custom
xf86-video-intel Xorg compiled with '--enable-debug=full' and doing the steps
outlined above.

What specific log information are you missing (i.e, what do I need to check the
presence for in the log files in case they have been truncated due to the
attachment size limits?)

I did take care to include everything that was produced for the nonworking
4.0.9 kernel (three compressed chunks of ~2Mb each)

After some digging around however, I managed to find the original log for the
4.0.9 kernel, which I've made available here:

https://www.dropbox.com/s/7e80kcf9pnuqtyj/kernel-4.0.x-dualoutput-issue.Xorg.0.log.xz?dl=0

I can understand that some information might be missing from the 3.13.5 output
(63K compressed), but not the other kernel. Is it possible this information is
omitted despite the drm.debug option being set?

Thanks for looking into this, btw. (although it took some time;)

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