If you can boot up the VM, reproduce the problem and then remove the
offending input devices you might be able to interact with the VM and
report this bug from within it.
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-shell in Ubuntu.
Mouse & Keyboard completely unresponsive when starting a VM
To manage notifications about this bug go to:
desktop-bugs mailing list