Hi, can you please enable CONFIG_VBOXSF_FS as module?
$ grep VBOX /boot/config-5.6.0-trunk-amd64 CONFIG_DRM_VBOXVIDEO=m CONFIG_VBOXGUEST=m # CONFIG_VBOXSF_FS is not set Not sure if virtualbox-guest-* like virtualbox-guest-dkms Debian packages are then co-installable and co-usable. Thanks. Regards, - Sedat - [1] https://cateee.net/lkddb/web-lkddb/VBOXSF_FS.html
