To avoid the system to hang up at start or when using lspci, adding acpi_rev_override=5 to boot params (found on https://wiki.gentoo.org/wiki/Dell_Latitude_5580) allows to use bumblebee with proprietary nvidia driver.
To avoid the system to hang up at start or when using lspci, adding acpi_rev_override=5 to boot params (found on https://wiki.gentoo.org/wiki/Dell_Latitude_5580) allows to use bumblebee with proprietary nvidia driver.