[Bug 91960] [i915] kernel warning hsw_unclaimed_reg_debug intel_uncore.c:619

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91960

--- Comment #4 from Robert Schetterer <robert.schetterer at tum.de> ---
I can confirm this with lenovo laptop t450s kernel 4.4 Kubuntu Xenial
i guess relation to

https://bugs.kde.org/show_bug.cgi?id=360766
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1555078

basicly this stops external displays come up after resume
but for magic if not login after resume and wait time to set brightness auto as
configured, some i.e mouse action does wake up external displays.
Speculation the drm resume code is broken.....

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