I observed the same behaviour as Adrian S.. Selecting Intel keeps the Nvidia card powered and the fan spinning. Installing and using bbswitch manually works. I can't make it working powering off the card at boot time :( Therefore I have to do it manually every time I boot my notebook.
MX150, Ubuntu 18.04.2 -- 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/hwe-next/+bug/1778011/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
