It appears you have an Intel CPU/GPU (Core 2 Duo E4500) and the Xorg modesetting driver is failing to talk to the kernel driver properly:
[ 63.574] (EE) modeset(0): drmSetMaster failed: Permission denied ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Summary changed: - Display driver missing + [Intel Conroe] (EE) modeset(0): drmSetMaster failed: Permission denied ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- 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/1839637 Title: Display driver missing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1839637/+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