PS: [rocketmouse@archlinux ~]$ lsmod | grep usbcore usbcore 245760 7 usbhid,snd_usb_audio,ehci_hcd,xhci_pci,snd_usbmidi_lib,xhci_hcd,ehci_pci usb_common 16384 1 usbcore The guest still needs the host's *hci* modules, but blacklisting the snd* modules might allow the guest's software to get access to some features. However, even if this should be the case, as you already pointed out, this doesn't make sense, since you want to access features by the guest, to improve working with the host, accessing the Focusrite by the class compliant host's driver. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user