Index: dev/pci/if_sis.c
===================================================================
RCS file: /cvs/openbsd/src/sys/dev/pci/if_sis.c,v
retrieving revision 1.61
diff -u -r1.61 if_sis.c
--- dev/pci/if_sis.c	4 Nov 2005 16:59:45 -0000	1.61
+++ dev/pci/if_sis.c	26 Feb 2006 18:06:31 -0000
@@ -1679,6 +1663,14 @@
 	sis_stop(sc);
 	sc->sis_stopped = 0;
 
+	if (sc->sis_type == SIS_TYPE_83815 && sc->sis_srr >= NS_SRR_16A) {
+		/*
+		 * Hold off interrupts for 400usec.
+		 * This number is emperically found on a Soekris 4801
+		 */
+		CSR_WRITE_4(sc, NS_IHR, 0x100 | 4);
+	}
+	
 	mii = &sc->sc_mii;
 
 	/* Set MAC address */