I'm on 16.04.1 with nvidia 378 (from ppa) and am getting these errors too. So "/etc/modprobe.d is not a file" is safe to ignore. What about "update-alternatives: error: no alternatives for x86_64-linux- gnu_gfxcore_conf" ?
# systemctl status gpu-manager.service ● gpu-manager.service - Detect the available GPUs and deal with any system changes Loaded: loaded (/lib/systemd/system/gpu-manager.service; enabled; vendor preset: enabled) Active: inactive (dead) since Thu 2017-02-09 19:09:47 GMT; 17min ago Process: 1254 ExecStart=/usr/bin/gpu-manager --log /var/log/gpu-manager.log (code=exited, status=0/SUCCESS) Main PID: 1254 (code=exited, status=0/SUCCESS) Feb 09 19:09:46 sparrow systemd[1]: Starting Detect the available GPUs and deal with any system changes... Feb 09 19:09:46 sparrow gpu-manager[1254]: /etc/modprobe.d is not a file Feb 09 19:09:46 sparrow gpu-manager[1254]: /etc/modprobe.d is not a file Feb 09 19:09:46 sparrow gpu-manager[1254]: /etc/modprobe.d is not a file Feb 09 19:09:46 sparrow gpu-manager[1254]: /etc/modprobe.d is not a file Feb 09 19:09:46 sparrow gpu-manager[1254]: /etc/modprobe.d is not a file Feb 09 19:09:47 sparrow gpu-manager[1254]: update-alternatives: error: no alternatives for x86_64-linux-gnu_gfxcore_conf Feb 09 19:09:47 sparrow systemd[1]: Started Detect the available GPUs and deal with any system changes. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1369216 Title: gpu-manager: /etc/modprobe.d is not a file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1369216/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs