Have you tried disabling it in the BIOS?
On Jul 22, 2014, at 22:06, Brian Wood <woodbrian77 at gmail.com> wrote:

> In another thread I wrote:
> 
> > I've installed PCBSD successfully on two machines, but
> > I'm having trouble installing it on a third machine.
> > My boot menu lists my flash drive under both UEFI and 
> > Legacy Boot Sources.  I've tried both. When I try UEFI.
> > it comes back with:
> 
> I wound up burning a dvd and installing from it because
> installing from a flash drive wasn't working.
> 
> The install finished, but when I boot the machine it hangs with:
> 
> wlan0: Ethernet address:  ...
> ral0: need multicast update callback
> ral0: need multicast update callback
> ----------------------------------------------------------------------
> 
> This thread is the closest thing I could find:
> http://forums.pcbsd.org/showthread.php?t=17344
> 
> I opened up my case, but didn't see a wifi card.  I guess 
> it's part of the motherboard.  I'm not sure how to proceed.  
> The machine is two or three years old.  Ideas?  Thanks.
> 
> -- 
> Brian
> Ebenezer Enterprises - Heavenly code.
> http://webEbenezer.net
> 
> 
> 
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