From owner-svn-src-head@FreeBSD.ORG  Thu Jan 26 07:03:31 2012
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 246CF106566C;
	Thu, 26 Jan 2012 07:03:31 +0000 (UTC)
	(envelope-from adrian@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 0FFBE8FC0A;
	Thu, 26 Jan 2012 07:03:31 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q0Q73UiL068126;
	Thu, 26 Jan 2012 07:03:30 GMT (envelope-from adrian@svn.freebsd.org)
Received: (from adrian@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id q0Q73Upq068123;
	Thu, 26 Jan 2012 07:03:30 GMT (envelope-from adrian@svn.freebsd.org)
Message-Id: <201201260703.q0Q73Upq068123@svn.freebsd.org>
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Thu, 26 Jan 2012 07:03:30 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r230564 - head/sys/dev/ath
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 26 Jan 2012 07:03:31 -0000

Author: adrian
Date: Thu Jan 26 07:03:30 2012
New Revision: 230564
URL: http://svn.freebsd.org/changeset/base/230564

Log:
  Add some node debugging which has helped me track down which particular
  concurrent vap->iv_bss free issues have been occuring.

Modified:
  head/sys/dev/ath/if_ath.c

Modified: head/sys/dev/ath/if_ath.c
==============================================================================
--- head/sys/dev/ath/if_ath.c	Thu Jan 26 06:57:47 2012	(r230563)
+++ head/sys/dev/ath/if_ath.c	Thu Jan 26 07:03:30 2012	(r230564)
@@ -2695,6 +2695,8 @@ ath_beacon_alloc(struct ath_softc *sc, s
 	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);