Solution provided in upstream. Attaching fixing patch:
sudo -i service vboxdrv stop wget -O /tmp/vboxhost-fix-panic.patch http:/launchpad.net/..../vboxhost-fix-panic.patch cd /usr/share/virtualbox/src/vboxhost patch -p1 < /tmp/vboxhost-fix-panic.patch dkms remove -m vboxhost -v 4.1.0 --all dkms add -m vboxhost -v 4.1.0 dkms build -m vboxhost -v 4.1.0 dkms install -m vboxhost -v 4.1.0 service vboxdrv start ** Patch added: "vboxdrv-4.1.0-shutdown-suspend-fix" https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/814323/+attachment/2242019/+files/vboxhost-fix-panic.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/814323 Title: Virtualbox 4.1 (vboxdrv) Blocks Machine Suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/814323/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs