Can confirm the same behaviour on an T450s i am testing for a colleague
with the Thinkpad Ultra Dock (40A2) and two NEC EA244WMi attached via
Displayport.
The frequency is always changing from one till 30 times per hour. But i
think i also got the flickering and screen off at the third and
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1572667
Title:
Screen flickering
** Summary changed:
- Screen flickering on second monitor
+ Screen flickering on second monitor with docking station
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I just tried the same monitor with out the docking station and the
screen never cut out. So it must something with the docking station.
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I am not able to reproduce this consistently but it does occur
frequently.
What happens is my second monitor will go black for a few seconds and
then return to normal. This will happen a few times an hour. The monitor
on my laptop will be fine.
One more detail I am connecting to the second
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