Арч nvidia 620M. Делаю по арче вики по схеме с открытым драйвером
$ cat /etc/mkinitcpio.conf
# vim:set ft=sh
# MODULES
# The following modules are loaded before any boot hooks are
# run. Advanced users may wish to specify all system modules
# in this array. For instance:
# MODULES="piix ide_disk reiserfs"
MODULES="i915 nouveau bbswitch"
$ cat /etc/default/grub
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="Arch"
GRUB_CMDLINE_LINUX_DEFAULT="quiet rcutree.rcu_idle_gp_delay=1 resume=/dev/sda8"
$ systemctl list-units | grep bumblebee
bumblebeed.service loaded active running Bumblebee C Daemon
$ optirun glxgears -info
[ 79.829891] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) systemd-logind: failed to get session: PID 1219 does not belong to any known session
[ 79.829934] [ERROR]Aborting because fallback start is disabled.