The bug disappeared with one of the latest updates, i.e. with kernel
4.4.0-12-generic this problem doesn't appear anymore. I'll mark this as
fixed.
** Changed in: xorg (Ubuntu)
Status: Incomplete => Fix Released
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Bugs
Gergely Kalmar, in order to allow additional upstream developers to examine the
issue, at your earliest convenience, could you please test the latest upstream
kernel available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ?
Please keep in mind the following:
1) The one to test is a
apport information
** Tags added: apport-collected compiz-0.9 reproducible ubuntu xenial
** Description changed:
I have a Lenovo ThinkPad E460 and a Lenovo ThinkPad OneLink Pro Dock.
Everything works fine, except for the external screen ports on the dock.
When I plug in an external screen
Gergely Kalmar, thank you for reporting this and helping make Ubuntu
better.
Could you please run the following command once from a terminal by ensuring you
have the package xdiagnose installed, and that you click the Yes button for
attaching additional debugging information:
apport-collect -p x
It seems that other users having the same hardware setup with a different
distro are also affected:
https://bbs.archlinux.org/viewtopic.php?id=208801
This is a serious problem, not being able to use my external screens
with my work laptop at all.
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