kern/117681: pcn fails to send packets under VirtualBox

Stephen Hassard steve at
Tue Oct 30 08:30:01 PDT 2007

>Number:         117681
>Category:       kern
>Synopsis:       pcn fails to send packets under VirtualBox
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Oct 30 15:30:01 UTC 2007
>Originator:     Stephen Hassard
>Release:        7.0 BETA 1.5
FreeBSD  7.0-BETA1.5 FreeBSD 7.0-BETA1.5 #0: Thu Oct 25 01:19:36 UTC 2007     root at  i386
pcn fails to work when using FreeBSD under the VirtualBox ( virtualization software.

The machine is unable to pull DHCP addresses from a local DHCP server, and is unable to send or receive packets over the network when configured with a static IP address.

FreeBSD 6.2 worked flawlessly with VirtualBox.

I don't have physical hardware for the pcn driver, and am only able to test in a virtualized environment.
Download VirtualBox v1.5.2 (, create a new VM, and proceed through the install. The network fails to work.


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