The following reply was made to PR kernel/6524; it has been noted by GNATS.
From: Mark Kettenis <mark.kette...@xs4all.nl>
To: o...@bartula.de
Cc: gn...@openbsd.org, b...@cvs.openbsd.org
Subject: Re: kernel/6524: vge(4) goes dead under load on recent snapshots
Date: Thu, 16 Dec 2010 11:54:35 +0100 (CET)
Does this diff fix the issue?
Index: if_vge.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_vge.c,v
retrieving revision 1.48
diff -u -p -r1.48 if_vge.c
--- if_vge.c 27 Aug 2010 17:08:00 -0000 1.48
+++ if_vge.c 16 Dec 2010 10:52:53 -0000
@@ -915,6 +915,9 @@ vge_newbuf(struct vge_softc *sc, int idx
#define VGE_RXCHUNK 4
sc->vge_rx_consumed++;
if (sc->vge_rx_consumed == VGE_RXCHUNK) {
+ bus_dmamap_sync(sc->sc_dmat, rxmap, 0,
+ rxmap->dm_mapsize, BUS_DMASYNC_PREWRITE);
+
for (i = idx; i != idx - sc->vge_rx_consumed; i--)
sc->vge_ldata.vge_rx_list[i].vge_sts |=
htole32(VGE_RDSTS_OWN);
