I have tested xserver-xorg-core 2:21.1.12-1ubuntu1.8 on a Dell A+N system. I confirmed that N GPU is in D3cold at startup in Xorg session.
$ ps auxf | grep Xorg test 4120 2.3 0.3 26777240 227216 tty2 Sl+ 10:46 0:00 \_ /usr/lib/xorg/Xorg vt2 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -nolisten tcp -background none -noreset -keeptty -novtswitch -verbose 3 $ cat /sys/bus/pci/drivers/nvidia/0000\:c6\:00.0/power_state D3cold $ ls -l /sys/class/drm/card2 lrwxrwxrwx 1 root root 0 Jul 6 10:45 /sys/class/drm/card2 -> ../../devices/pci0000:00/0000:00:08.1/0000:c7:00.0/drm/card2 $ ls -l /sys/class/drm/card1 lrwxrwxrwx 1 root root 0 Jul 6 10:45 /sys/class/drm/card1 -> ../../devices/pci0000:00/0000:00:03.1/0000:c6:00.0/drm/card1 $ cat /sys/class/drm/card2/boot_display 1 ** Tags removed: verification-needed-noble ** Tags added: verification-done-noble -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2136140 Title: Add support for "boot_display" attribute To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-drivers-common/+bug/2136140/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
