From owner-freebsd-current@FreeBSD.ORG Mon Jan 10 08:22:55 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 90F93106566B for ; Mon, 10 Jan 2011 08:22:55 +0000 (UTC) (envelope-from bschmidt@techwires.net) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 24A8C8FC08 for ; Mon, 10 Jan 2011 08:22:54 +0000 (UTC) Received: by bwz12 with SMTP id 12so11544491bwz.13 for ; Mon, 10 Jan 2011 00:22:53 -0800 (PST) Received: by 10.204.98.75 with SMTP id p11mr5432427bkn.12.1294647772738; Mon, 10 Jan 2011 00:22:52 -0800 (PST) Received: from jessie.localnet (p5B2EE74F.dip0.t-ipconnect.de [91.46.231.79]) by mx.google.com with ESMTPS id q18sm15480513bka.3.2011.01.10.00.22.50 (version=SSLv3 cipher=RC4-MD5); Mon, 10 Jan 2011 00:22:51 -0800 (PST) Sender: Bernhard Schmidt From: Bernhard Schmidt To: Anton Shterenlikht Date: Mon, 10 Jan 2011 09:22:58 +0100 User-Agent: KMail/1.13.5 (Linux/2.6.32-27-generic; KDE/4.4.5; i686; ; ) References: <20110109222228.GA45587@mech-cluster241.men.bris.ac.uk> In-Reply-To: <20110109222228.GA45587@mech-cluster241.men.bris.ac.uk> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201101100922.58354.bschmidt@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: console freeze after "ifconfig wlan0 scan" with wi(4) pccard device X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: bschmidt@freebsd.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jan 2011 08:22:55 -0000 On Sunday, January 09, 2011 23:22:28 Anton Shterenlikht wrote: > On amd64 r217010 laptop (HP Compaq 6715s) > I'm trying to use this wi(4) device: > > wi0: > at port 0x100-0x13f irq 20 function 0 config 1 on pccard0 > > I do > > # ifconfig wlan0 create wlandev wi0 > # ifconfig -a > bge0: flags=8843 metric 0 mtu 1500 > > options=8009b E> > ether 00:1a:4b:89:4b:4e > inet 192.168.1.102 netmask 0xffffff00 broadcast 192.168.1.255 > media: Ethernet autoselect (100baseTX ) > status: active > lo0: flags=8049 metric 0 mtu 16384 > options=3 > inet 127.0.0.1 netmask 0xff000000 > inet6 ::1 prefixlen 128 > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x8 > nd6 options=21 > wi0: flags=8802 metric 0 mtu 2290 > ether 00:06:25:10:56:3b > media: IEEE 802.11 Wireless Ethernet autoselect (autoselect) > status: no carrier > wlan0: flags=8802 metric 0 mtu 1500 > ether 00:06:25:10:56:3b > media: IEEE 802.11 Wireless Ethernet autoselect (autoselect) > status: no carrier > ssid "" channel 1 (2412 MHz 11b) > country US authmode OPEN privacy OFF txpower 0 bmiss 7 scanvalid 60 > bintval 0 > > But after > > # ifconfig wlan0 up scan > > I get console freeze requiring cold reboot. > No panic, just a LOR: > > wi0: at port > 0x100-0x13f irq 20 function 0 config 1 on pccard0 wlan0: Ethernet address: > 00:06:25:10:56:3b > lock order reversal: > 1st 0xffffff80012be018 wi0_com_lock (wi0_com_lock) @ > /usr/src/sys/net80211/ieee80211_scan.c:806 2nd 0xfffffe0001b8d010 wi0 > (network driver) @ /usr/src/sys/dev/wi/if_wi.c:1083 KDB: stack backtrace: > [..] This is a known LOR, many wireless do have that. It happens right after a scan iteration if there is a network to connect to. > In case it matters I've > > hw.cbb.start_memory="0xf4800000" > > in /boot/loader.conf, according to > http://www.freebsd.org/cgi/query-pr.cgi?pr=115623 Do you by any change have another device you can test the pccard slot with? Also, you might want to try 'ifconfig wlan0 ssid somethingwhichdoesdefinitelynotexist up; ifconfig wlan0 list scan' instead of 'ifconfig wlan0 up scan'. -- Bernhard