Bug#518802: The version of the VirtualBox kernel modules and the version of VirtualBox application are not matching
Looking at the upstream BTS:
http://www.virtualbox.org/ticket/1499
| Sorry, but this will not work. You have to use either a 32-bit kernel
| and a 32-bit environment or a 64-bit kernel and a 64-bit environment if
| you want to use VirtualBox. The reason is that VirtualBox is kind of
| system software which has to communicate closely with the host kernel.
There seems to be no way to provide an -amd64 modules package for i386
systems at all.
- Dietrich
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