http://www.android-x86.org/documents/debug-howto
2a. using adb with KVM (qemu)
If you are using KVM instead of Virtualbox you may find the following useful.
Example of running a iso using kvm:
kvm -soundhw es1370 -net nic -net user,hostfwd=tcp::4444-:5555 -cdrom buildname.iso
note
the networking arguments: this allows "user networking" which doesn't need root access, while still allowing adb connections, by forwarding them on port 4444 of localhost, so to connect you would use:
adb connect localhost:4444
to disconnect simply (you'll need to do this after stopping/restarting a VM session):
adb disconnect
Its
also possible to pass-through usb devices from the host to android guest running in kvm by adding the parameters:
-usb -usbdevice host:2.*
where in the above example that would pass through all devices on the number 2 usb host bus.