Qubes External SSD HD and sys-usb

[apparatus]

Qubes OS Installation failing

Did you select the option to install sys-usb during Initial setup? This would remove all USB controllers from dom0 and attach them to sys-usb VM. Since your dom0 need to have access to the USB disk from which Qubes OS is booting it’ll fail to boot when the USB controller will be detached from it. Disable sys-usb autostart: And remove rd.qubes.hide_all_usb and usbcore.authorized_default=0 kernel options as well from GRUB entry: Qubes 4.1 only: You should also add the usbcore.authorized_de…