Index: head/sys/dev/pci/pci_user.c
===================================================================
--- head/sys/dev/pci/pci_user.c
+++ head/sys/dev/pci/pci_user.c
@@ -809,7 +809,6 @@
 #endif
 		case PCIOCGETBAR:
 		case PCIOCLISTVPD:
-		case PCIOCBARMMAP:
 			break;
 		default:
 			return (EPERM);
Index: head/usr.sbin/pciconf/pciconf.c
===================================================================
--- head/usr.sbin/pciconf/pciconf.c
+++ head/usr.sbin/pciconf/pciconf.c
@@ -1085,7 +1085,7 @@
 	pbm.pbm_flags = 0;
 	pbm.pbm_memattr = VM_MEMATTR_UNCACHEABLE; /* XXX */
 
-	fd = open(_PATH_DEVPCI, O_RDONLY, 0);
+	fd = open(_PATH_DEVPCI, O_RDWR, 0);
 	if (fd < 0)
 		err(1, "%s", _PATH_DEVPCI);