svn commit: r212124 - head/sys/dev/sis
Pyun YongHyeon
yongari at FreeBSD.org
Thu Sep 2 00:44:05 UTC 2010
Author: yongari
Date: Thu Sep 2 00:44:05 2010
New Revision: 212124
URL: http://svn.freebsd.org/changeset/base/212124
Log:
Fix stupid error in r212109 which didn't swap DMA maps. This caused
IOMMU panic on sparc64 under high TX load.
Modified:
head/sys/dev/sis/if_sis.c
Modified: head/sys/dev/sis/if_sis.c
==============================================================================
--- head/sys/dev/sis/if_sis.c Wed Sep 1 23:51:07 2010 (r212123)
+++ head/sys/dev/sis/if_sis.c Thu Sep 2 00:44:05 2010 (r212124)
@@ -1883,8 +1883,8 @@ sis_encap(struct sis_softc *sc, struct m
/* Swap the last and the first dmamaps. */
map = txd->tx_dmamap;
- txd->tx_dmamap = sc->sis_txdesc[frag].tx_dmamap;
- sc->sis_txdesc[frag].tx_dmamap = map;
+ txd->tx_dmamap = sc->sis_txdesc[prod].tx_dmamap;
+ sc->sis_txdesc[prod].tx_dmamap = map;
txd->tx_m = *m_head;
return (0);
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