On Mon, Jul 02, 2007 at 04:30:53PM +0200, Martin Husemann wrote:
> From the drivers BUGS section:
> 
>      Due to limitations in the Broadcom chip, it cannot DMA transfer to RAM at
>      or above 1GB; see REALEXTMEM in options(4) for a workaround to limit the
>      available system memory.

I've been notified that this problem has been fixed in -current, but 
unfortunately not on the netbsd-4 branch :-(

Martin