Can you also give the latest kernel in drm-intel-nightly a test? It is
available from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/current/
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Another test would be to see if this also affects DisplayPort, do you
have an option to test that?
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https://bugs.launchpad.net/bugs/1631678
Title:
Build in display doesn't show a screen
Thank you for the reply, Mr Salisbury.
I've installed the latest version 4.8.1 and checked the problem, it was
a bit rather worse. In unpluged HDMI case, it was fine as I expected,
but in plugged HDMI case, some errors occurred and OS couldn't properly
started up.
** Changed in: linux (Ubuntu)
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.8 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix th
apport information
** Tags added: apport-collected xenial
** Description changed:
I'm using UX21A Asus Zenbook Prime.
When I connected HDMI socket to an external display and turn on the
laptop, Ubuntu didn't show build in display even it said display was
recognized and activated. It h
