[Bug 96469] [BDW]: linux 4.6.2: mode switch is not reliable, gnome-shell sometimes hangs on mode switch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96469

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #1 from Jani Nikula <jani.nikula at intel.com> ---
Please add drm.debug=14 module parameter, and attach dmesg all the way from
boot to reproducing the issue. /var/log/Xorg.0.log might be useful too.

I presume the problem does not appear with the laptop panel alone, is that
right?

The dock has DP MST, which is still flaky in Linux in general. It's getting
better, and fixes are flowing in. I just got a OneLink Pro dock myself
yesterday for my Broadwell based Yoga 12 but haven't had the time to play with
it.

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