This appears to be a kernel problem. X is reporting the KMS graphics device is missing:
[ 34.051] (EE) open /dev/dri/card0: No such file or directory [ 34.051] (EE) open /dev/dri/card0: No such file or directory What output do you get from running this command?; ls -l /dev/dri ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1767993 Title: X11 freezing/low resolution on N3150 intel graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1767993/+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