K 10 svn:author V 8 gallatin K 8 svn:date V 27 1999-08-08T16:29:27.000000Z K 7 svn:log V 262 MFC: [1.21] On an AS 600 5/266 (and possibly others), accessing the configuration space of PCI devices that don't exist cause PCI master & target aborts rather than returning ~0 or giving a machine check. Bring in some code from NetBSD to handle this properly. END