Hi I have the same problem.
I'm using Backport-Kernel because of Intel 219 NIC.
results in
Install build-essential.
Paketlisten werden gelesen... Fertig
Abhängigkeitsbaum wird aufgebaut.
Statusinformationen werden eingelesen.... Fertig
build-essential ist schon die neueste Version.
0 aktualisiert, 0 neu installiert, 0 zu entfernen und 0 nicht aktualisiert.
Recompile VirtualBox module.
Stopping VirtualBox kernel modules ...done.
Recompiling VirtualBox kernel modules ...failed!
(Look at /var/log/vbox-install.log to find out what went wrong)
Load VirtualBox module.
Starting VirtualBox kernel modules ...failed!
(modprobe vboxdrv failed. Please use 'dmesg' to find out why)
Restart vboxweb-service
Starting VirtualBox web service ...fail!
Alles anzeigen
In dmesg there are no infos, but in vbox-install.log
Makefile:183: *** Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR=<directory> and run Make again. Stop.
I don't know how to fix this. Please advice.