> 
> 	# dd if=/usr/mdec/raboot of=/dev/rsd0c
> 	sd0: no disk label
> 	panic: pmap_enter: lost mapping
> 	Stopped at      0x8009d9eb:     bicl3   $0xffbfffff, r2, r1
> 	db>
> 
Without looking to the SCSI code, I assume that this may show up if DMA is
headed for userspace and the pages isn't mapped. This is a bug in the
device-driver.

-- Ragge