From owner-freebsd-current@FreeBSD.ORG Wed Oct 7 15:11:05 2009 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1185B106568D for ; Wed, 7 Oct 2009 15:11:05 +0000 (UTC) (envelope-from ianf@clue.co.za) Received: from inbound01.jnb1.gp-online.net (inbound01.jnb1.gp-online.net [41.161.16.135]) by mx1.freebsd.org (Postfix) with ESMTP id 9D7D48FC08 for ; Wed, 7 Oct 2009 15:11:04 +0000 (UTC) Received: from [41.154.0.10] (helo=clue.co.za) by inbound01.jnb1.gp-online.net with esmtpsa (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1MvYAP-0001Qi-Uc; Wed, 07 Oct 2009 17:11:02 +0200 Received: from localhost ([127.0.0.1] helo=clue.co.za) by clue.co.za with esmtp (Exim 4.69 (FreeBSD)) (envelope-from ) id 1MvYAM-0003Y7-Mo; Wed, 07 Oct 2009 17:10:58 +0200 To: Rui Paulo From: Ian FREISLICH In-Reply-To: References: X-Attribution: BOFH Date: Wed, 07 Oct 2009 17:10:58 +0200 Message-Id: Cc: current@freebsd.org Subject: Re: urtw(4) feedback. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Oct 2009 15:11:05 -0000 Rui Paulo wrote: > On 7 Oct 2009, at 13:23, Ian Freislich wrote: > > urtw0: rtl8187b rf rtl8225z2 hwrev e > > > > Opening it up confirms the presence of a RTL8187B. > > > > However throughput is very poor, I haven't been able to get more > > than about 130kB/s and pings seem to be timed every 1.5 seconds. > > > > This might help: > http://p4db.freebsd.org/chv.cgi?CH=169276 Not significantly. The stability of the wireless association is improved throughput is nearly doubled to 240kB/s, but there's some wierdness: it responds to ping from "outside" almost immediately, but when the host pings out, it spaces requests at about 1.6 seconds (which it doesn't do on the alc0 interface). [mini] /usr/src/sys/modules/usb/urtw # time ping -c2 10.0.2.1 PING 10.0.2.1 (10.0.2.1): 56 data bytes 64 bytes from 10.0.2.1: icmp_seq=0 ttl=64 time=36.176 ms 64 bytes from 10.0.2.1: icmp_seq=1 ttl=64 time=44.282 ms --- 10.0.2.1 ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 36.176/40.229/44.282/4.053 ms real 0m1.696s user 0m0.000s sys 0m0.001s It also takes about 10 seconds for the wlan0 interface to appear after insertion. Ian -- Ian Freislich