Ok, so it's a virtualbox bug. I close this one :)
** Changed in: linux-source-2.6.20 (Ubuntu)
Status: Needs Info => Rejected-- [Feisty] Kernel doesn't boot on Virtualbox (paging request) https://launchpad.net/bugs/84191 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
