As far as I see this issue is resolved in Virtualbox 4.3.28 which is stable on my laptop. Virtualbox bug: https://www.virtualbox.org/ticket/13961
** Bug watch added: Virtualbox Trac #13961 http://www.virtualbox.org/ticket/13961 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1435076 Title: BUG: unable to handle kernel paging request at 00007f4eaa03d772 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1435076/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs