And more. Different output of the command: cat /sys/kernel/debug/vgaswitcheroo/switch
nouveau driver: 0:IGD:+:Pwr:0000:00:02.0 1:DIS: :DynOff:0000:01:00.0 nvidia 390.48, after prime-select intel: 0:IGD:+:Pwr:0000:00:02.0 1:DIS: :Off:0000:01:00.0 You can see the different status of the discrete card. When "DunOff" it really disconnected from the power supply, and in case of "Off" it continues to consume energy. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-settings in Ubuntu. https://bugs.launchpad.net/bugs/1757180 Title: nvidia-prime can't switch off the discrete GPU Status in nvidia-prime package in Ubuntu: Fix Released Status in nvidia-settings package in Ubuntu: Fix Released Status in ubuntu-drivers-common package in Ubuntu: Fix Released Bug description: nvidia-prime used to be able to switch off and on NVIDIA dGPU. Now, a change in the nvidia packaging, and a change of behaviour in logind, broke this feature. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1757180/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp