You said you updated the kernel - the nvidia driver is a proprietary binary driver compiled against a particular kernel version. If you change kernel versions, of course it breaks. So you need to keep linux and nvidia versions in sync.
** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-180 (Ubuntu) ** Changed in: nvidia-graphics-drivers-180 (Ubuntu) Status: New => Invalid -- hard lock up after suspend https://bugs.launchpad.net/bugs/447768 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in ubuntu. _______________________________________________ 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