Index: pci.c
===================================================================
RCS file: /home/joerg/repo/netbsd/src/sys/dev/pci/pci.c,v
retrieving revision 1.118
diff -u -p -r1.118 pci.c
--- pci.c	12 Jun 2008 22:44:47 -0000	1.118
+++ pci.c	18 Sep 2008 12:47:21 -0000
@@ -432,10 +432,10 @@ pci_get_capability(pci_chipset_tag_t pc,
 
 	ofs = PCI_CAPLIST_PTR(pci_conf_read(pc, tag, ofs));
 	while (ofs != 0) {
-#ifdef DIAGNOSTIC
-		if ((ofs & 3) || (ofs < 0x40))
-			panic("pci_get_capability");
-#endif
+		if ((ofs & 3) || (ofs < 0x40)) {
+			printf("Broken PCI header detected\n");
+			break;
+		}
 		reg = pci_conf_read(pc, tag, ofs);
 		if (PCI_CAPLIST_CAP(reg) == capid) {
 			if (offset)