The difference between live-image and installed system is that the live- image session doesn't have /dev/fb0 around while an installed system does (by efifb). I've no idea why that is.
but for some reason fbdev fails to use that device set up by efifb -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1794280 Title: gdm doesn't start on a fresh installation of Cosmic Desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1794280/+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