Also, something, probably prime-select, adds nouveau.runpm=0 to GRUB_CMDLINE_LINUX_DEFAULT
$ cat `which prime-select` | grep nouveau.runpm boot_params['nouveau.runpm'] = '0' self._grub_path, ['nouveau.runpm', 'video=VGA']) I don't understand why it does this, but I removed it , updated grub and everything works. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/1778011 Title: SRU: PRIME Power Saving mode draws too much power To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1778011/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs