From owner-freebsd-current@FreeBSD.ORG  Sun Jul  8 15:21:18 2007
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: freebsd-current@freebsd.org
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 8E98316A421
	for <freebsd-current@freebsd.org>; Sun,  8 Jul 2007 15:21:18 +0000 (UTC)
	(envelope-from michiel@boland.org)
Received: from neerbosch.nijmegen.internl.net (neerbosch.nijmegen.internl.net
	[217.149.193.38])
	by mx1.freebsd.org (Postfix) with ESMTP id 171B013C45A
	for <freebsd-current@freebsd.org>; Sun,  8 Jul 2007 15:21:17 +0000 (UTC)
	(envelope-from michiel@boland.org)
Received: from neerbosch.nijmegen.internl.net by neerbosch.nijmegen.internl.net
	via neerbosch.nijmegen.internl.net [217.149.193.38] with ESMTP for
	<freebsd-current@freebsd.org>
	id l68FLGj1013578 (8.13.4/1.4); Sun, 8 Jul 2007 17:21:16 +0200 (MEST)
Received: from localhost by neerbosch.nijmegen.internl.net
	via mboland@localhost with ESMTP for <freebsd-current@freebsd.org>
	id l68FLGcM013574 (8.13.4/2.02); Sun, 8 Jul 2007 17:21:16 +0200 (MEST)
X-Authentication-Warning: neerbosch.nijmegen.internl.net: mboland owned
	process doing -bs
Date: Sun, 8 Jul 2007 17:21:16 +0200 (MEST)
From: Michiel Boland <michiel@boland.org>
To: freebsd-current@freebsd.org
Message-ID: <Pine.GSO.4.64.0707081716270.13175@neerbosch.nijmegen.internl.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Subject: confusing kdump output
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 08 Jul 2007 15:21:18 -0000

Hi. If a program does something like

setsockopt(sock, IPPROTO_TCP, TCP_NOPUSH, &onoff, sizeof onoff)

this is reported by kdump as

setsockopt(0x2a,0x6,SO_REUSEADDR,0x7fffffffe32c,0x4)

Note that it reports SO_REUSEADDR rather than TCP_NOPUSH. This is 
confusing.

It's probably a bit useless to compile all possible printable socket 
options into kdump, but at least it could be made to not print a symbolic 
name if the level is, say, not SOL_SOCKET.

Cheers
Michiel