Same here with Ubuntu 20.04 on a DELL XPS 13 (with i915 Chip): after the update of mesa-vulkan-drivers from 21.0.3 to 21.2.6 (incl. libgl, libglapi, libdrm etc.), external monitors (here connected via DELL USB Dock) are not detected anymore. I had to restore the old version with Timeshift.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1692302 Title: Can't connect on external monitor or projector To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1692302/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp