Public bug reported: 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.
** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1918466 Title: Garbage window on external 4k display Status in linux package in Ubuntu: New 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1918466/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp