I used nvidia-bug-report.sh to report this bug to nvidia. (I had to email to an address reported by the script.)
Release highlights for the 340 driver: https://www.nvidia.com/Download/driverResults.aspx/135161/en-us " The 340.xx legacy Unified Memory kernel module is incompatible with recent Linux kernels, and the GPU hardware generations that the 340.xx legacy driver series is intended to support do not support Unified Memory." -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1737750 Title: nvidia-graphics-drivers-304 304.137-0ubuntu2 ADT test failure with linux 4.15.0-1.2 [error: implicit declaration of function ‘init_timer’] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/+bug/1737750/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs