From owner-p4-projects@FreeBSD.ORG  Tue May  3 20:44:35 2011
Return-Path: <owner-p4-projects@FreeBSD.ORG>
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id B5DFA1065670; Tue,  3 May 2011 20:44:34 +0000 (UTC)
Delivered-To: perforce@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 78969106566C
	for <perforce@freebsd.org>; Tue,  3 May 2011 20:44:34 +0000 (UTC)
	(envelope-from jhb@freebsd.org)
Received: from skunkworks.freebsd.org (skunkworks.freebsd.org
	[IPv6:2001:4f8:fff6::2d])
	by mx1.freebsd.org (Postfix) with ESMTP id 67A5F8FC0A
	for <perforce@freebsd.org>; Tue,  3 May 2011 20:44:34 +0000 (UTC)
Received: from skunkworks.freebsd.org (localhost [127.0.0.1])
	by skunkworks.freebsd.org (8.14.4/8.14.4) with ESMTP id p43KiY42016695
	for <perforce@freebsd.org>; Tue, 3 May 2011 20:44:34 GMT
	(envelope-from jhb@freebsd.org)
Received: (from perforce@localhost)
	by skunkworks.freebsd.org (8.14.4/8.14.4/Submit) id p43KiYKY016692
	for perforce@freebsd.org; Tue, 3 May 2011 20:44:34 GMT
	(envelope-from jhb@freebsd.org)
Date: Tue, 3 May 2011 20:44:34 GMT
Message-Id: <201105032044.p43KiYKY016692@skunkworks.freebsd.org>
X-Authentication-Warning: skunkworks.freebsd.org: perforce set sender to
	jhb@freebsd.org using -f
From: John Baldwin <jhb@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Precedence: bulk
Cc: 
Subject: PERFORCE change 192554 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 03 May 2011 20:44:35 -0000

http://p4web.freebsd.org/@@192554?ac=10

Change 192554 by jhb@jhb_jhbbsd on 2011/05/03 20:44:20

	Debug.

Affected files ...

.. //depot/projects/pci/sys/dev/pci/pci_domain.c#5 edit

Differences ...

==== //depot/projects/pci/sys/dev/pci/pci_domain.c#5 (text+ko) ====

@@ -373,13 +373,22 @@
 	}
 		   
 	/* Try to allocate from each decoded range. */
+	device_printf(hr->hr_pcib,
+	    "trying to allocate %#lx-%#lx for rid %x type %d\n", start, end,
+	    *rid, type);
 	for (; rle != NULL; rle = STAILQ_NEXT(rle, link)) {
 		if (rle->type != type)
 			continue;
 		new_start = ulmax(start, rle->start);
 		new_end = ulmin(end, rle->end);
-		if (new_start + count > new_end)
+		if (new_start > new_end ||
+		    new_start + count > new_end ||
+		    new_start + count < new_start) {
+			printf("\tskipping range %#lx-%#lx\n", new_start,
+			    new_end);
 			continue;
+		}
+		printf("\ttrying range %#lx-%#lx\n", new_start, new_end);
 		r = bus_generic_alloc_resource(hr->hr_pcib, dev, type, rid,
 		    new_start, new_end, count, flags);
 		if (r != NULL)