I believe that is a kernel problem. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1803752
Title: HID inputs (mouse buttons and keyboard) stop responding when plug in DP monitor Status in ubuntu-mate: New Status in mate-common package in Ubuntu: New Status in xorg package in Ubuntu: New Bug description: Ever since upgrading to 18.10 plugging in external monitors has been buggy. Device Lenovo T460s. Ubuntu-Mate 18.10. Plugging in External monitor using mini-display port causes keyboard to be unresponsive. Mouse buttons as well. though can still move mouse on screen. Plugging in and out using arndr sometimes resolves this. Notwithstanding, no smooth transition to multimonitor mode. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1803752/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp