[Bug 108826] [GLK DSI] Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108826

--- Comment #52 from Jani Nikula <jani.nikula at intel.com> ---
Please have the exact same setup on both a and b device, add drm.debug=14
module parameter, and attach dmesg all the way from boot.

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