[Bug 62462] 2 Displayport Screens on Lenovo x230(Intel HD4000) Dock: several things make one of them stop working.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=62462

--- Comment #10 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #9)
> Upgrading from Ubuntu 12.10 to 13.04 caused this bug to appear on an Asus
> UX31A computer with Intel HD4000 graphics.
> Specifically, going into any full-screen game caused the external screen to
> stop responding, with this error : [drm:intel_dp_complete_link_train] *ERROR*
> 
> Reverting to
> linux-image-3.7.1-030701-generic_3.7.1-030701.201212171620_amd64.deb
> solved the problem.

Can you please file a separate bug for your issue? Please boot with
drm.debug=0xe added to your kernel cmdline and attach the complete dmesg for
both a working and a broken kernel.

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