From owner-svn-src-head@FreeBSD.ORG  Tue Jul 31 05:34:54 2012
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id E1E3A106566B;
	Tue, 31 Jul 2012 05:34:54 +0000 (UTC) (envelope-from bz@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id CCA9A8FC12;
	Tue, 31 Jul 2012 05:34:54 +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 q6V5YspR090457;
	Tue, 31 Jul 2012 05:34:54 GMT (envelope-from bz@svn.freebsd.org)
Received: (from bz@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id q6V5YsZ5090455;
	Tue, 31 Jul 2012 05:34:54 GMT (envelope-from bz@svn.freebsd.org)
Message-Id: <201207310534.q6V5YsZ5090455@svn.freebsd.org>
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Tue, 31 Jul 2012 05:34:54 +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: r238934 - head/sys/netinet6
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: Tue, 31 Jul 2012 05:34:55 -0000

Author: bz
Date: Tue Jul 31 05:34:54 2012
New Revision: 238934
URL: http://svn.freebsd.org/changeset/base/238934

Log:
  Improve the should-never-hit printf to ease debugging in case we'd ever hit
  it again when doing the delayed IPv6 checksum calculations.
  
  MFC after:	3 days

Modified:
  head/sys/netinet6/ip6_output.c

Modified: head/sys/netinet6/ip6_output.c
==============================================================================
--- head/sys/netinet6/ip6_output.c	Tue Jul 31 05:23:23 2012	(r238933)
+++ head/sys/netinet6/ip6_output.c	Tue Jul 31 05:34:54 2012	(r238934)
@@ -195,8 +195,9 @@ in6_delayed_cksum(struct mbuf *m, uint32
 	offset += m->m_pkthdr.csum_data;	/* checksum offset */
 
 	if (offset + sizeof(u_short) > m->m_len) {
-		printf("%s: delayed m_pullup, m->len: %d off: %d\n",
-		    __func__, m->m_len, offset);
+		printf("%s: delayed m_pullup, m->len: %d plen %u off %u "
+		    "csum_flags=0x%04x\n", __func__, m->m_len, plen, offset,
+		    m->m_pkthdr.csum_flags);
 		/*
 		 * XXX this should not happen, but if it does, the correct
 		 * behavior may be to insert the checksum in the appropriate