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Subject: An e-card from jonny3 for you X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Jul 2009 05:13:14 -0000 An e-card from jonny3 for you ========================================= To view the ecard, copy and paste this url into your browser's address bar:: 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1MO3nk-0008Sk-2Z for freebsd-mobile@freebsd.org; Mon, 06 Jul 2009 23:05:12 -0700 Message-ID: <24367655.post@talk.nabble.com> Date: Mon, 6 Jul 2009 23:05:12 -0700 (PDT) From: salmankhan To: freebsd-mobile@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Nabble-From: salmank502@gmail.com Subject: Business & Personal Webhosting Packages. X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jul 2009 06:23:45 -0000 I wonder if someone know from where I can get a business or personal web packages, email packages or domain registration at one place with smart utilities. Hosting Company must be in local Middle East countries. I would appreciate if any one of you could be of my help. -- View this message in context: http://www.nabble.com/Business---Personal-Webhosting-Packages.-tp24367655p24367655.html Sent from the freebsd-mobile mailing list archive at Nabble.com. From owner-freebsd-mobile@FreeBSD.ORG Wed Jul 8 17:12:39 2009 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2BBA71065672 for ; Wed, 8 Jul 2009 17:12:39 +0000 (UTC) (envelope-from jhs@berklix.com) Received: from flat.berklix.org (flat.berklix.org [83.236.223.115]) by mx1.freebsd.org (Postfix) with ESMTP id 88A808FC18 for ; Wed, 8 Jul 2009 17:12:37 +0000 (UTC) (envelope-from jhs@berklix.com) Received: from park.js.berklix.net (p549A5E25.dip.t-dialin.net [84.154.94.37]) (authenticated bits=0) by flat.berklix.org (8.13.8/8.13.8) with ESMTP id n68Gbthq045265; Wed, 8 Jul 2009 18:37:56 +0200 (CEST) (envelope-from jhs@berklix.com) Received: from fire.js.berklix.net (fire.js.berklix.net [192.168.91.41]) by park.js.berklix.net (8.13.8/8.13.8) with ESMTP id n68Gbjpi029463; Wed, 8 Jul 2009 18:37:45 +0200 (CEST) (envelope-from jhs@berklix.com) Received: from fire.js.berklix.net (localhost [127.0.0.1]) by fire.js.berklix.net (8.14.3/8.14.3) with ESMTP id n68Gc6jI044872; Wed, 8 Jul 2009 18:38:11 +0200 (CEST) (envelope-from jhs@fire.js.berklix.net) Message-Id: <200907081638.n68Gc6jI044872@fire.js.berklix.net> To: salmankhan From: "Julian H. Stacey" Organization: http://www.berklix.com BSD Unix Linux Consultancy, Munich Germany User-agent: EXMH on FreeBSD http://www.berklix.com/free/ X-URL: http://www.berklix.com In-reply-to: Your message "Mon, 06 Jul 2009 23:05:12 PDT." <24367655.post@talk.nabble.com> Date: Wed, 08 Jul 2009 18:38:06 +0200 Sender: jhs@berklix.com Cc: freebsd-mobile@freebsd.org Subject: Re: Business & Personal Webhosting Packages. X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jul 2009 17:12:39 -0000 salmankhan wrote: > > I wonder if someone know from where I can get a business or personal web > packages, email packages or domain registration at one place with smart > utilities. Hosting Company must be in local Middle East countries. > > I would appreciate if any one of you could be of my help. Wrong list to ask on as nothing to do with mobile. Providers are on isp@freebsd.org or try questions@ Also try adding detail. Cheers, Julian -- Julian Stacey: BSD Unix Linux C Sys Eng Consultants Munich http://berklix.com Mail in plain ASCII text; HTML & Base64 are spam. http://asciiribbon.org From owner-freebsd-mobile@FreeBSD.ORG Thu Jul 9 06:19:36 2009 Return-Path: Delivered-To: mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BE48D106566B for ; Thu, 9 Jul 2009 06:19:36 +0000 (UTC) (envelope-from info@martenvijn.nl) Received: from smtp-vbr10.xs4all.nl (smtp-vbr10.xs4all.nl [194.109.24.30]) by mx1.freebsd.org (Postfix) with ESMTP id 5EF1E8FC15 for ; Thu, 9 Jul 2009 06:19:36 +0000 (UTC) (envelope-from info@martenvijn.nl) Received: from [192.168.178.47] (martenvijn.xs4all.nl [80.101.161.153]) by smtp-vbr10.xs4all.nl (8.13.8/8.13.8) with ESMTP id n68Lx8t5055073 for ; Wed, 8 Jul 2009 23:59:08 +0200 (CEST) (envelope-from info@martenvijn.nl) From: Marten Vijn To: mobile@freebsd.org Content-Type: text/plain Date: Wed, 08 Jul 2009 23:59:07 +0200 Message-Id: <1247090347.10461.7.camel@mvn-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: by XS4ALL Virus Scanner Cc: Subject: ath0 / wlan0 on 8.0 X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2009 06:19:37 -0000 hi all, When benchmarkmarking an ath0 card an I get these errors. After a could (~10) no traffic is possible anymore. What does this message mean? ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) # uname -a FreeBSD 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Mon Jun 29 21:44:19 CEST 2009 root@master:/usr/obj/nanobsd.node_ap_64M/usr/src/sys/KERNEL i386 # My benmark setup is dbs with 9 clients, and a ap in bridging mode. see http://bsd.wifisoft.org/trac/wiki/wireless_benchmark for more info. All nodes run FreeBSD.. kind regards, Marten -- http://martenvijn.nl Marten Vijn http://martenvijn.nl/trac/wiki/soas Sugar on a Stick http://bsd.wifisoft.org/nek/ The Network Event Kit http://har2009.org 13th-16th August http://opencommunitycamp.org 26th Jul - 2nd August From owner-freebsd-mobile@FreeBSD.ORG Thu Jul 9 15:17:49 2009 Return-Path: Delivered-To: mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2C994106568E for ; Thu, 9 Jul 2009 15:17:49 +0000 (UTC) (envelope-from sam@freebsd.org) Received: from ebb.errno.com (ebb.errno.com [69.12.149.25]) by mx1.freebsd.org (Postfix) with ESMTP id D4C708FC0A for ; Thu, 9 Jul 2009 15:17:48 +0000 (UTC) (envelope-from sam@freebsd.org) Received: from trouble.errno.com (trouble.errno.com [10.0.0.248]) (authenticated bits=0) by ebb.errno.com (8.13.6/8.12.6) with ESMTP id n69EgJZD033887 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 9 Jul 2009 07:42:19 -0700 (PDT) (envelope-from sam@freebsd.org) Message-ID: <4A5601CB.3060809@freebsd.org> Date: Thu, 09 Jul 2009 07:42:19 -0700 From: Sam Leffler Organization: FreeBSD Project User-Agent: Thunderbird 2.0.0.22 (X11/20090705) MIME-Version: 1.0 To: Marten Vijn References: <1247090347.10461.7.camel@mvn-desktop> In-Reply-To: <1247090347.10461.7.camel@mvn-desktop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-DCC-x.dcc-servers-Metrics: ebb.errno.com; whitelist Cc: mobile@freebsd.org Subject: Re: ath0 / wlan0 on 8.0 X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2009 15:17:49 -0000 Marten Vijn wrote: > hi all, > > When benchmarkmarking an ath0 card an I get these errors. > After a could (~10) no traffic is possible anymore. > "no traffic is possible" doesn't say enough. Do you see beacons from the ap? Are interrupts being received on the ap? Are you out of resources like mbufs? I have seen, for example, things like nightly cron scripts accidentally left to run and kill operation. > What does this message mean? > > ath0: stuck beacon; resetting (bmiss count 4) > ath0: stuck beacon; resetting (bmiss count 4) > ath0: stuck beacon; resetting (bmiss count 4) > It means 4 consecutive beacon intervals went by w/o the ap being able to xmit a beacon frame. When this happens the driver does a h/w reset of the chip and continues. You can raise this threshold but if it's happening a lot you should understand why. > > # uname -a > FreeBSD 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Mon Jun 29 21:44:19 CEST > 2009 root@master:/usr/obj/nanobsd.node_ap_64M/usr/src/sys/KERNEL > i386 > # > > My benmark setup is dbs with 9 clients, and a ap in bridging mode. > > see http://bsd.wifisoft.org/trac/wiki/wireless_benchmark for more info. > > All nodes run FreeBSD.. > The only 8.0 log under "crashes" does not point to a system crash. I didn't see information on the wireless setup (e.g. ifconfig commands to setup and/or status to show final operating syste). Does this happen on all channels? What else is running on the machine with the ap? What is the network traffic mix (e.g. tx vs rx)? I know several groups using the Alix board in similar configs to run production ap's with >10 users but you will need to tune the system for best operation. Under extreme wireless network load the PCI bus becomes a bottleneck and causes the host to be unable to setup each beacon frame in real-time to satisfy NextTBTT requirements. Look at how the SWBA mechanism works in the driver and the hw.ath.hal.sw_brt and hw.ath.hal.dma_brt tunables. Otherwise stuck beacon conditions can be caused by the ap not getting access to the wireless medium due to it being busy. You should sniff traffic around the time of a problem for clues. There are also h/w registers you can observe (e.g. with athregs) to see how busy the medium is from the POV of the ap. There have been chip bugs related to this condition but doing a reset should always restore operation. If this isn't happening should be able to diagnose what's going with the existing facilities (e.g. athdebug msgs). Understand however that building a product ap is nontrivial and the FreeBSD ath driver can easily be optimized better for this purpose. Sam From owner-freebsd-mobile@FreeBSD.ORG Fri Jul 10 05:35:37 2009 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 86E5D106566B for ; Fri, 10 Jul 2009 05:35:37 +0000 (UTC) (envelope-from knowtree@aloha.com) Received: from relay.pixi.com (relay.pixi.com [206.127.224.101]) by mx1.freebsd.org (Postfix) with ESMTP id 1DBFF8FC13 for ; Fri, 10 Jul 2009 05:35:37 +0000 (UTC) (envelope-from knowtree@aloha.com) Received: from leka.aloha.com (leka.aloha.com [206.127.224.85]) by relay.pixi.com (8.13.8+Sun/8.13.6) with ESMTP id n6A52aZ4010132; Thu, 9 Jul 2009 19:02:36 -1000 (HST) Received: from [10.0.1.195] (atm-251-63.pixi.com [206.127.251.63]) by leka.aloha.com (8.13.8+Sun/8.12.11) with ESMTP id n6A52X6G010128; Thu, 9 Jul 2009 19:02:33 -1000 (HST) From: Gary Dunn To: Alex In-Reply-To: <20090613154404.1f739030@orion.lan> References: <20090613154404.1f739030@orion.lan> Content-Type: text/plain Date: Thu, 09 Jul 2009 19:02:27 -1000 Message-Id: <1247202147.1381.7.camel@slate01> Mime-Version: 1.0 X-Mailer: Evolution 2.24.5 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: freebsd-mobile@freebsd.org Subject: Re: ThinkPad X200 (7454-CTO) X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jul 2009 05:35:38 -0000 On Sat, 2009-06-13 at 15:44 -0400, Alex wrote: > Hello, I recently purchased a ThinkPad X200. I am attempting to run > FreeBSD 7.2-RELEASE (amd64) and have had some success. I have sound > working from the headphone port (snd_hda), but not the speakers. This appeared in a recent post to the Gnome list. My Dell is like your's, no sound from built-in speakers. My Fujitsu has speakers on even with headphones plugged in. More work to be done to catch up to current laptop hardware. From: Robert Noland To: Joe Marcus Clarke Cc: freebsd-gnome@freebsd.org Subject: Re: PulseAudio only works with headphones Date: Sun, 21 Jun 2009 13:53:12 -0500 (08:53 HST) On Sun, 2009-06-21 at 14:35 -0400, Joe Marcus Clarke wrote: > On Sun, 2009-06-21 at 13:17 -0400, Mike Burns wrote: > > Not too many details for this one, sadly. Totem, etc., only output audio > > through the line-out (headphone) jack. > > > > System > Preferences > Sound > Output only lists /dev/dsp0 . > > > > [mike] ~% cat /dev/sndstat > > FreeBSD Audio Driver (newpcm: 64bit 2007061600/amd64) > > Installed devices: > > pcm0: at cad 0 nid 1 on hdac0 > > kld snd_hda [MPSAFE] (1p:1v/1r:1v channels duplex default) > > pcm1: at cad 0 nid 1 on hdac0 > > kld snd_hda [MPSAFE] (1p:1v/1r:1v channels duplex) > > [mike] ~% ps ax | grep pulse > > 1408 ?? Is 0:00.97 /usr/local/bin/pulseaudio --start --log-target=syslog > > 1409 ?? I 0:00.01 /usr/local/libexec/pulse/gconf-helper > > [mike] ~% pulseaudio --version > > I: caps.c: Dropping root privileges. > > W: main.c: High-priority scheduling enabled in configuration but not allowed > > by policy. > > pulseaudio 0.9.14 > > > > Is there another FAQ I'm missing? > > > > > > A bit of a background on this system: freshly installed 7.2-RELEASE a week > > ago, upgraded the OS to -STABLE and the ports to the latest as of Saturday. > > The computer is a Thinkpad T500. > > I think this probably should be reported to the mobile or sound people. > I have the same problem with the HDA sound card in my MacBook Pro. The > internal speakers do not work, but headphones do. They are probably showing up as different codecs... In which case you have to either select the correct pcmX device or set hw.snd.default_unit=X to the correct codec. Gnome currently doesn't seem to have the ability to deal with multiple codecs for different outputs, which kinda sucks... Most of my boxes have (desktop boards) have different hda codecs for front panel, rear, digital and HDMI ports. -- Gary Dunn, Honolulu osp@aloha.com http://openslate.net/ http://e9erust.blogspot.com/ Sent from Slate001 From owner-freebsd-mobile@FreeBSD.ORG Fri Jul 10 18:38:53 2009 Return-Path: Delivered-To: mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C7D951065676 for ; Fri, 10 Jul 2009 18:38:53 +0000 (UTC) (envelope-from info@martenvijn.nl) Received: from smtp-vbr4.xs4all.nl (smtp-vbr4.xs4all.nl [194.109.24.24]) by mx1.freebsd.org (Postfix) with ESMTP id 5B3F88FC1F for ; Fri, 10 Jul 2009 18:38:53 +0000 (UTC) (envelope-from info@martenvijn.nl) Received: from [192.168.178.47] (martenvijn.xs4all.nl [80.101.161.153]) by smtp-vbr4.xs4all.nl (8.13.8/8.13.8) with ESMTP id n6AIcpsx071756; Fri, 10 Jul 2009 20:38:51 +0200 (CEST) (envelope-from info@martenvijn.nl) From: Marten Vijn To: Sam Leffler In-Reply-To: <4A5601CB.3060809@freebsd.org> References: <1247090347.10461.7.camel@mvn-desktop> <4A5601CB.3060809@freebsd.org> Content-Type: text/plain Date: Fri, 10 Jul 2009 20:38:51 +0200 Message-Id: <1247251131.5235.147.camel@mvn-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: by XS4ALL Virus Scanner Cc: mobile@freebsd.org Subject: Re: ath0 / wlan0 on 8.0 X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jul 2009 18:38:54 -0000 On Thu, 2009-07-09 at 07:42 -0700, Sam Leffler wrote: > Marten Vijn wrote: > > hi all, > > > > When benchmarkmarking an ath0 card an I get these errors. > > After a could (~10) no traffic is possible anymore. > > > > "no traffic is possible" doesn't say enough. Retested for beta-1 - ping does not respond any more. - the client loses associations. see: http://www.youtube.com/watch?v=sfE-YskT7XM for a screen cast > Do you see beacons from the ap? - I still see beacon frames > Are interrupts being received on the ap? Are you out of > resources like mbufs? What are the command to produce this information? > I have seen, for example, things like nightly > cron scripts accidentally left to run and kill operation. Not very likey, It an NET4826, just rebooted, this very reproducable it 1 or 2 test runs. > > > What does this message mean? > > > > ath0: stuck beacon; resetting (bmiss count 4) > > ath0: stuck beacon; resetting (bmiss count 4) > > ath0: stuck beacon; resetting (bmiss count 4) > > > > It means 4 consecutive beacon intervals went by w/o the ap being able to > xmit a beacon frame. When this happens the driver does a h/w reset of > the chip and continues. You can raise this threshold but if it's > happening a lot you should understand why. To much traffic that leads to a dos. I am aware that I create a lot of traffic. That's why it is benchmark. > > > > # uname -a > > FreeBSD 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Mon Jun 29 21:44:19 CEST > > 2009 root@master:/usr/obj/nanobsd.node_ap_64M/usr/src/sys/KERNEL > > i386 > > # > > > > > The only 8.0 log under "crashes" does not point to a system crash. > > I didn't see information on the wireless setup (e.g. ifconfig commands > to setup and/or status to show final operating syste). Does this happen > on all channels? What else is running on the machine with the ap? What > is the network traffic mix (e.g. tx vs rx)? I created a new report for 8.0.beta-1 on the site with more info: http://bsd.wifisoft.org/trac/wiki/crash4 all (UDP) traffic created on the clients and flows to the server (one jail per client) > I know several groups using the Alix board in similar configs to run > production ap's with >10 users but you will need to tune the system for > best operation. I had 50~60 users concurrent on ap's on ApacheCon Amsterdam in spring. Ap's did fail every couple of hours/days. That workable for 10 ap's, but not for > 100. > Under extreme wireless network load the PCI bus becomes > a bottleneck and causes the host to be unable to setup each beacon frame > in real-time to satisfy NextTBTT requirements. > Look at how the SWBA mechanism works in the driver and the hw.ath.hal.sw_brt and > hw.ath.hal.dma_brt tunables. Could you give my pointers for documentation/stuff to read? (it will take me some time to read and maybe understand it. my background not technical) > Otherwise stuck beacon conditions can be caused by the ap not getting > access to the wireless medium due to it being busy. You should sniff > traffic around the time of a problem for clues. There are also h/w > registers you can observe (e.g. with athregs) to see how busy the medium > is from the POV of the ap. There have been chip bugs related to this > condition but doing a reset should always restore operation. > If this > isn't happening should be able to diagnose what's going with the > existing facilities (e.g. athdebug msgs). nice! I will rebuild the nanobsd img's to use /usr/src/tools/tools/ath/* > Understand however that building a product ap is nontrivial and the FreeBSD ath driver can > easily be optimized better for this purpose. I am not building a product, I am using FreeBSD wifi / networking env and as show case of working Opensource Software. IHMO the benchmarking could help harden to wlan drivers and FreeBSD based accesspoints. I expect to double the clients in the benchmark in the coming weeks. Then I will do more testing. Please let know how I can support to create usable (debug) output. thanks for your reply, Marten > > Sam > -- http://martenvijn.nl Marten Vijn http://martenvijn.nl/trac/wiki/soas Sugar on a Stick http://bsd.wifisoft.org/nek/ The Network Event Kit http://har2009.org 13th-16th August http://opencommunitycamp.org 26th Jul - 2nd August From owner-freebsd-mobile@FreeBSD.ORG Fri Jul 10 20:13:37 2009 Return-Path: Delivered-To: mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2798D1065688 for ; Fri, 10 Jul 2009 20:13:37 +0000 (UTC) (envelope-from sam@freebsd.org) Received: from ebb.errno.com (ebb.errno.com [69.12.149.25]) by mx1.freebsd.org (Postfix) with ESMTP id CFF768FC19 for ; Fri, 10 Jul 2009 20:13:36 +0000 (UTC) (envelope-from sam@freebsd.org) Received: from trouble.errno.com (trouble.errno.com [10.0.0.248]) (authenticated bits=0) by ebb.errno.com (8.13.6/8.12.6) with ESMTP id n6AKDaCe043584 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 10 Jul 2009 13:13:36 -0700 (PDT) (envelope-from sam@freebsd.org) Message-ID: <4A57A0EF.5060409@freebsd.org> Date: Fri, 10 Jul 2009 13:13:35 -0700 From: Sam Leffler Organization: FreeBSD Project User-Agent: Thunderbird 2.0.0.22 (X11/20090705) MIME-Version: 1.0 To: Marten Vijn References: <1247090347.10461.7.camel@mvn-desktop> <4A5601CB.3060809@freebsd.org> <1247251131.5235.147.camel@mvn-desktop> In-Reply-To: <1247251131.5235.147.camel@mvn-desktop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-DCC-x.dcc-servers-Metrics: ebb.errno.com; whitelist Cc: mobile@freebsd.org Subject: Re: ath0 / wlan0 on 8.0 X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jul 2009 20:13:37 -0000 Marten Vijn wrote: > On Thu, 2009-07-09 at 07:42 -0700, Sam Leffler wrote: > >> Marten Vijn wrote: >> >>> hi all, >>> >>> When benchmarkmarking an ath0 card an I get these errors. >>> After a could (~10) no traffic is possible anymore. >>> >>> >> "no traffic is possible" doesn't say enough. >> > > Retested for beta-1 > - ping does not respond any more. > - the client loses associations. > > see: http://www.youtube.com/watch?v=sfE-YskT7XM > for a screen cast > > > >> Do you see beacons from the ap? >> > > - I still see beacon frames > > > >> Are interrupts being received on the ap? Are you out of >> resources like mbufs? >> > > What are the command to produce this information? > athdebug +intr sends a console msg for every interrupt but you've already said you are sending beacons so the stuck beacon complaints are irrelevant. BTW when you enable something like +intr be sure to turn it off in the same cmd line as otherwise you'll likely never get control again on a box like this; e.g. athdebug +intr; sleep 1; athdebug -intr or athdebug +intr; read x; athdebug -intr is what I use. netstat -m shows mbufs. > >> I have seen, for example, things like nightly >> cron scripts accidentally left to run and kill operation. >> > > Not very likey, It an NET4826, just rebooted, > this very reproducable it 1 or 2 test runs. > You said you were using an Alix board for the ap. Now it's a Soekris 4826? I am not interested in anything but systems running 8.0. > >>> What does this message mean? >>> >>> ath0: stuck beacon; resetting (bmiss count 4) >>> ath0: stuck beacon; resetting (bmiss count 4) >>> ath0: stuck beacon; resetting (bmiss count 4) >>> >>> >> It means 4 consecutive beacon intervals went by w/o the ap being able to >> xmit a beacon frame. When this happens the driver does a h/w reset of >> the chip and continues. You can raise this threshold but if it's >> happening a lot you should understand why. >> > > To much traffic that leads to a dos. I am aware that I create a lot > of traffic. That's why it is benchmark. > > >>> # uname -a >>> FreeBSD 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Mon Jun 29 21:44:19 CEST >>> 2009 root@master:/usr/obj/nanobsd.node_ap_64M/usr/src/sys/KERNEL >>> i386 >>> # >>> >>> >>> >> The only 8.0 log under "crashes" does not point to a system crash. >> >> I didn't see information on the wireless setup (e.g. ifconfig commands >> to setup and/or status to show final operating syste). Does this happen >> on all channels? What else is running on the machine with the ap? What >> is the network traffic mix (e.g. tx vs rx)? >> > > I created a new report for 8.0.beta-1 on the site with more info: > > http://bsd.wifisoft.org/trac/wiki/crash4 > > all (UDP) traffic created on the clients and flows to the server (one > jail per client) > Please file a PR and track your information through that. > >> I know several groups using the Alix board in similar configs to run >> production ap's with >10 users but you will need to tune the system for >> best operation. >> > > I had 50~60 users concurrent on ap's on ApacheCon Amsterdam in spring. > Ap's did fail every couple of hours/days. That workable for 10 ap's, but > not for > 100. > > >> Under extreme wireless network load the PCI bus becomes >> a bottleneck and causes the host to be unable to setup each beacon frame >> in real-time to satisfy NextTBTT requirements. >> Look at how the SWBA mechanism works in the driver and the hw.ath.hal.sw_brt and >> hw.ath.hal.dma_brt tunables. >> > > Could you give my pointers for documentation/stuff to read? (it will > take me some time to read and maybe understand it. my background not > technical) > sysctl hw.ath.hal, the source code, and many many previous postings (findable through google) should explain things. > >> Otherwise stuck beacon conditions can be caused by the ap not getting >> access to the wireless medium due to it being busy. You should sniff >> traffic around the time of a problem for clues. There are also h/w >> registers you can observe (e.g. with athregs) to see how busy the medium >> is from the POV of the ap. There have been chip bugs related to this >> condition but doing a reset should always restore operation. >> > > >> If this >> isn't happening should be able to diagnose what's going with the >> existing facilities (e.g. athdebug msgs). >> > > nice! I will rebuild the nanobsd img's to use > /usr/src/tools/tools/ath/* > > >> Understand however that building a product ap is nontrivial and the FreeBSD ath driver can >> easily be optimized better for this purpose. >> > > I am not building a product, I am using FreeBSD wifi / networking env > and as show case of working Opensource Software. IHMO the benchmarking > could help harden to wlan drivers and FreeBSD based accesspoints. > Possibly but more likely you will need to tune your setup to your hardware and that does not apply in general. > I expect to double the clients in the benchmark in the coming weeks. > Then I will do more testing. Please let know how I can support to create > usable (debug) output. > Learn the tools. Isolate the problem to something specific. Then provide a recipe for reproducing it or sufficient information to diagnose what's going on. 99% of the time I'll not be able to reproduce it because it depends on local conditions. Understand however that months ago was the right time to be doing this kind of testing w/ HEAD; now we are in a code freeze and anything that comes of this will likely not make the release. Sam