This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1918466
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1918466
Title:
Garbage window on external 4k display
Status in linux package in Ubuntu:
Incomplete
Bug description:
When connecting a 4k monitor to the DP port of a Lenovo TBT3 Gen2 dock
and dock is connected to a P17 also with a 4k display if you change
the scale to 100% and attempt to run any window based application like
a browser window on the monitor you get periodic pop up areas of
garbage. Happens more if the window is closer to the left side than
if in the middle of the screen.
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