In a PDC configuration, it can take a while for DS to sync up the
config changes and for the local LDAP node to become available. We
just exit rather than abort so that we don't generate spurious crash
reports. Everything will be alright if we just wait a little while.

Index: samba/source/passdb/machine_sid.c
===================================================================
--- samba/source/passdb/machine_sid.c.orig
+++ samba/source/passdb/machine_sid.c
@@ -219,14 +219,16 @@ DOM_SID *get_global_sam_sid(void)
 
 	if (lp_opendirectory()) {
 		if (!(global_sam_sid = opendirectory_sam_sid())) {
-			smb_panic("Could not generate a machine SID\n");
+			DEBUG(0, ("Could not generate a machine SID\n"));
+			exit(1);
 		}
 
 		return global_sam_sid;
 	}
 
 	if (!(global_sam_sid = pdb_generate_sam_sid())) {
-		smb_panic("Could not generate a machine SID\n");
+		DEBUG(0, ("Could not generate a machine SID\n"));
+		exit(1);
 	}
 
 	return global_sam_sid;