with newest Mesa version 19.0.8-0ubuntu0~18.04.3 from oficial (non-ppa) bionic-updates repository is problem gone
-- 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/1835622 Title: Cannot start desktop session with compositor enabled To manage notifications about this bug go to: https://bugs.launchpad.net/xfwm4/+bug/1835622/+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
