From owner-freebsd-current@freebsd.org Mon Jun 27 18:40:35 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7B8A2B84CF0 for ; Mon, 27 Jun 2016 18:40:35 +0000 (UTC) (envelope-from otacilio.neto@bsd.com.br) Received: from mail-qk0-x22e.google.com (mail-qk0-x22e.google.com [IPv6:2607:f8b0:400d:c09::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3CF48269F for ; Mon, 27 Jun 2016 18:40:35 +0000 (UTC) (envelope-from otacilio.neto@bsd.com.br) Received: by mail-qk0-x22e.google.com with SMTP id p10so220471301qke.3 for ; Mon, 27 Jun 2016 11:40:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsd.com.br; s=capeta; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=Eg0kN8pjH4BMgChsaASlWR6sarvtLuCPzKkytlc3RQk=; b=Tp+tHIsbGwwlAwdtLNUweazx6H9D8K+cHNbPyJRq8wI5Gg3JvpX+28RndFxIJuQqyO 7lZ6xJxmznl1EV2jj8idnFdJDeExAsztd+4DbQHT0BWw9dmTIa7o7oGWIq1u02IBl1nX RNzaj8F9UsTSd1AQbxKPRmmD7FQjG/T7B7DBU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=Eg0kN8pjH4BMgChsaASlWR6sarvtLuCPzKkytlc3RQk=; b=j2ukEkEKUOPjA++qJ+OtjJPqQzzGFWYCh2zrqnfVSKoRaZXM+pGipcYo3u9c4xtMPa SATzDalO225uJ1R2zegU+WRXWDW3s7172rFyffZkaVeIRKVb0llY5Yi03/XA8Xg2d04V 0txgWK2fERj7fXUUbEyO/BQZXC/T3uAE1ykUbvUvRkcTPwHozo7qHPyDVGVB0s7gXl5G Ola4JfA6quYjv74bGG8K7jhSaKmwT+XZm2a/a8u/YAzTjylm6tztAJEqqBQrQRzaAL4Z R3sCjCbLX+P5XQzullDycqHdl3687+yq926qdku2VjPdahdepdnJQ0p2LLHhxAFte5Fv cNJw== X-Gm-Message-State: ALyK8tIAJf838imTTz7wndJ+cgy14xah0tTr6t7riPX1vIzxcy37noVOcNLKP/Mgj3PUpg== X-Received: by 10.13.233.199 with SMTP id s190mr12012070ywe.99.1467052834099; Mon, 27 Jun 2016 11:40:34 -0700 (PDT) Received: from [10.8.0.124] ([177.20.130.8]) by smtp.googlemail.com with ESMTPSA id y127sm10319625ywy.47.2016.06.27.11.40.32 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Jun 2016 11:40:33 -0700 (PDT) Subject: Re: Bad rtwn(0) performance with RTL8188CE on -CURRENT after r302035 To: freebsd-current@freebsd.org References: <20160627170619.GB28353@athena.sysfault.org> <20160627183454.GD28353@athena.sysfault.org> From: =?UTF-8?B?T3RhY8OtbGlv?= Message-ID: <30e70f37-c375-8bc0-45b9-7ea6db55c733@bsd.com.br> Date: Mon, 27 Jun 2016 15:40:25 -0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160627183454.GD28353@athena.sysfault.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 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: Mon, 27 Jun 2016 18:40:35 -0000 Em 27/06/2016 15:34, Marcus von Appen escreveu: > On, Mon Jun 27, 2016, Adrian Chadd wrote: > >> Heh, there isn't any 11n support in rtwn (and won't be until I unify >> rtwn and urtwn post-11.) > I do not know about that. My experience from pre-r302035 were 1-2 Mbit/s > downstream from some servers, but often enough just for a minute or two > before everything stopped working. > >> I'll go find the rtwn NIC and see if I can figure out what's going on. > Let me know, if and how I can assist with it. > > Cheers > Marcus About everything stopping I have faced a problem similar to this. Bellow is a log of a session where the problem occurs. I'm testing using netperf. % netperf -H squitch MIGRATED TCP STREAM TEST from 0.0.0.0 () port 0 AF_INET to squitch () port 0 AF_INET : histogram : interval : dirty data : demo Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 65536 32768 32768 14.03 0.02 shutdown_control: no response received errno 28 % ping squitch PING squitch (192.168.0.13): 56 data bytes ^C --- squitch ping statistics --- 5 packets transmitted, 0 packets received, 100.0% packet loss % urtwn0: device timeout urtwn0: device timeout