From 7ebd03d755824021d43c44a94c63f06eff33d141 Mon Sep 17 00:00:00 2001 From: Adrian Chadd Date: Thu, 26 Jan 2012 07:03:30 +0000 Subject: [PATCH] Add some node debugging which has helped me track down which particular concurrent vap->iv_bss free issues have been occuring. --- sys/dev/ath/if_ath.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c index 48fb9177f3ef..3215560410e0 100644 --- a/sys/dev/ath/if_ath.c +++ b/sys/dev/ath/if_ath.c @@ -2695,6 +2695,8 @@ ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_node *ni) int error; bf = avp->av_bcbuf; + DPRINTF(sc, ATH_DEBUG_NODE, "%s: bf_m=%p, bf_node=%p\n", + __func__, bf->bf_m, bf->bf_node); if (bf->bf_m != NULL) { bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap); m_freem(bf->bf_m); @@ -3152,6 +3154,8 @@ static void ath_beacon_return(struct ath_softc *sc, struct ath_buf *bf) { + DPRINTF(sc, ATH_DEBUG_NODE, "%s: free bf=%p, bf_m=%p, bf_node=%p\n", + __func__, bf, bf->bf_m, bf->bf_node); if (bf->bf_m != NULL) { bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap); m_freem(bf->bf_m); @@ -3173,6 +3177,9 @@ ath_beacon_free(struct ath_softc *sc) struct ath_buf *bf; TAILQ_FOREACH(bf, &sc->sc_bbuf, bf_list) { + DPRINTF(sc, ATH_DEBUG_NODE, + "%s: free bf=%p, bf_m=%p, bf_node=%p\n", + __func__, bf, bf->bf_m, bf->bf_node); if (bf->bf_m != NULL) { bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap); m_freem(bf->bf_m);