From owner-freebsd-current@FreeBSD.ORG Wed Oct 7 18:05:33 2009 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 7A8831065672 for ; Wed, 7 Oct 2009 18:05:33 +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 10E678FC08 for ; Wed, 7 Oct 2009 18:05:32 +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 1MvatH-0006cF-9O; Wed, 07 Oct 2009 20:05:31 +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 1Mvat7-000EjN-A6; Wed, 07 Oct 2009 20:05:21 +0200 To: Hans Petter Selasky From: Ian FREISLICH In-Reply-To: <200910071805.09153.hselasky@c2i.net> References: <200910071805.09153.hselasky@c2i.net> X-Attribution: BOFH Date: Wed, 07 Oct 2009 20:05:21 +0200 Message-Id: Cc: Rui Paulo , freebsd-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 18:05:33 -0000 Hans Petter Selasky wrote: > On Wednesday 07 October 2009 17:10:58 Ian FREISLICH wrote: > > [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. > > And if you use "ping -f" ? > > Could it be that it is only the last packet sent that is not flushed out? [mini] /usr/src # time ping -f -c2 10.0.2.1 PING 10.0.2.1 (10.0.2.1): 56 data bytes . --- 10.0.2.1 ping statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 9.752/9.934/10.115/0.182 ms real 0m0.024s user 0m0.008s sys 0m0.001s however, 200 results in packet loss: [mini] /usr/src # time ping -f -c200 10.0.2.1 PING 10.0.2.1 (10.0.2.1): 56 data bytes .............. --- 10.0.2.1 ping statistics --- 200 packets transmitted, 187 packets received, 6.5% packet loss round-trip min/avg/max/stddev = 3.782/10.161/15.065/2.029 ms real 0m3.866s user 0m0.000s sys 0m0.034s Ian -- Ian Freislich