Re: [REGRESSION v4.7] i915 / drm crash when undocking from DP monitors

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On Sat, 08 Oct 2016, Vadim Lobanov <vadimplobanov@xxxxxxxxx> wrote:
> I'm seeing a repeatable crash on my HP EliteBook 840 G2/2216 when
> booting it while in a docking station connected to two external
> DisplayPort monitors, undocking, and then either logging out or
> shutting down -- regardless of whether I've redocked it beforehand or
> not. Both logout and shutdown work great if I do not undock the laptop
> at all, so the badness correlates with the DP monitors going away.

Please file a bug at [1] with the info in this mail, add drm.debug=14
module parameter, and attach dmesg from boot to the problem into the
bug.

BR,
Jani.

[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel

-- 
Jani Nikula, Intel Open Source Technology Center
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