i cannot seem to boot NetBSD-current on Soekris Net4801
	(www.soekris.com).  i heard that there's some quirk/special handling
	needed on pci bus access, but i couldn't find the information source.
	does anyone remember what was the necessary fix?

itojun


pcib0 at pci0 dev 18 function 0
pcib0: National Semiconductor product 0x0510 (rev. 0x00)
kernel: double fault trap, code=0
Stopped in pid 0.1 (swapper) at netbsd:pci_conf_read+0x82:      movl    netbsd:c
pu_info_primary+0x10c,%eax