@LocutusOfBorg I've tested the PPA, and here's the result: https://www.youtube.com/watch?v=QmQt0VIpBuc
I still encountering the VERR_ACCESS_DENIED issue until I install the previously not installed virtualbox-guest-dkms package, however the 3D offloading problem still exist. About the virtualbox-guest-dkms package, I'm not sure it is really needed in 16.04 as xenial kernel already packs virtualbox's guest modules(you can lsmod it even without installing the package) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1580482 Title: Virtualbox guest additions isn't working properly in Ubuntu 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
