According to the upstream bug report, this is a bug in the X server, not VirtualBox. It just happens to be that the bug is very noticeable in VirtualBox.
** Also affects: xorg-server via https://bugs.freedesktop.org/show_bug.cgi?id=54353 Importance: Unknown Status: Unknown ** Package changed: virtualbox-guest-additions (Ubuntu) => xorg-server (Ubuntu) ** Summary changed: - mouse pointer periodically leaps to left and top of screen in llvmpipe session + mouse pointer periodically leaps to left and top of screen with absolute pointing devices -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1041063 Title: mouse pointer periodically leaps to left and top of screen with absolute pointing devices To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1041063/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
