[Bug 100727] [skl] [drm] BUG: unable to handle kernel NULL pointer dereference at (null) [drm_kms_helper]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100727

--- Comment #2 from Blaine Gardner <b.blaine.gardner at gmail.com> ---
I am seeing the same issue on a Dell Precision 5510 when I plug my docking
station (with 2 connected screens) into my laptop. The system works if it is
started with the dock attached. This is a new issue that has popped up sometime
after early March.

> May 02 09:47:47 grim kernel: BUG: unable to handle kernel NULL pointer dereference at           (null)
> May 02 09:47:47 grim kernel: IP: drm_dp_get_mst_branch_device+0xc8/0x110 [drm_kms_helper]
> -- Reboot --

Hardware: Dell Precision 5510 / i915 / i7-6820HQ
Kernel: 4.10.10-1-default
xorg-server: xorg-x11-server-1.19.3-1.1.x86_64
xf86-video-intel: not installed

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