From owner-freebsd-hardware@FreeBSD.ORG Sun Jan 14 14:28:41 2007 Return-Path: X-Original-To: freebsd-hardware@freebsd.org Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1DBCF16A40F for ; Sun, 14 Jan 2007 14:28:41 +0000 (UTC) (envelope-from trigves@yahoo.com) Received: from web52714.mail.yahoo.com (web52714.mail.yahoo.com [206.190.48.237]) by mx1.freebsd.org (Postfix) with SMTP id D692C13C455 for ; Sun, 14 Jan 2007 14:28:38 +0000 (UTC) (envelope-from trigves@yahoo.com) Received: (qmail 13778 invoked by uid 60001); 14 Jan 2007 14:28:37 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type; b=h1ze3AS894EEtxuB0aINyCOHUNcGtrmhA2eYHO6OQq8srqG7rimiLTfhHozrDUr9x8uZpjoFO1kDFtosSnyQf+pKEXTP8d8LwO2D0xN+m/BsKZ8Quhtokmml8jPtWAQCoafLe9BwzvofHfR2B3GD+J/YlIGWisgKYs1BAfym64o= ; Message-ID: <20070114142837.13776.qmail@web52714.mail.yahoo.com> Received: from [195.168.231.73] by web52714.mail.yahoo.com via HTTP; Sun, 14 Jan 2007 06:28:37 PST Date: Sun, 14 Jan 2007 06:28:37 -0800 (PST) From: Trigve Siver To: freebsd-hardware@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ascii Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: DWL-G520 low signal, low speed X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Jan 2007 14:28:41 -0000 Hi,=0A=0AOne more thing I want to add is...that when I was using ath I have= had low speed and also had a lot of interupts and I realised that ath was = sharing IRQ with USB (IRQ 19 in my case)... so I disabled the USB and throw= away ath from kernel and compile it as module (want to take some performan= ce test with ndis and ath)...and after that I have still low signal but med= ia is OFDM/54 Mbps and is stable... to the performance....I think that ndis= is somehow a little faster...when dowloading/uploading about 100 kB/s fast= er...but haven't done some serious testing (don't know how maybe with kisme= t?)=0A=0ATrigve=0A=0A----- Original Message ----=0AFrom: "soralx@cydem.org"= =0ATo: freebsd-hardware@freebsd.org=0ACc: trigves@yahoo.= com=0ASent: Sunday, January 14, 2007 12:52:06 PM=0ASubject: Re: DWL-G520 lo= w signal, low speed=0A=0A=0A> >>> I have a problem with my wifi DWL G520 at= heros chip based card...=0A> >>> I have low signal only 20-30% and also a l= ow speed 5-11=0A> >>> Mbit/s..router is only 1-2 m away from me and with ge= ntoo I have=0A> >>> 90% signal strength..I'm using FreeBSD 6.2 PRERELEASE= =0A=0ASame thing here, folks. When using the 'if_ath' module (or compiling = the=0Adriver into kernel -- doesn't matter), the reported signal strength= =0A(via `ifconfig ath0 up && ifconfig ath0 scan`) is about 20:0 to 30:0=0A(= whatever the units are?), depending on spatial orientation, and being=0Apos= itioned ~10m away from the base station. The 'media:' quickly=0Adegrades to= 'DS/1Mbps'. Measurement of the signal strength with notebook=0Arelocated r= ight near the transceiver yield values of 50-60 units (noise=0Ahas the valu= e of '0' all the time).=0A=0APerhaps the ndisulator is being overly optimis= tic, but it reports S:N=0Aof ~140:0 when away from the transiever, and ~160= :0 when near. ifconfig=0Asays that media is OFDM/54Mbps. I says that probab= ly the units are=0Atotally arbitrary, or the ndis driver is just being piss= -proud [i.e.,=0Aexaggerating a little, and his signal is not really that bi= g] ;)=0A=0ANow, I didn't do any real performance comparison yet (ath vs ndi= s), but=0AI can say this: ath performance seems to me rather disappointing = -- the=0Acarrier gets lost from time to time, range is not impressive (or a= m i=0Ajust expecting too much?), there's absolutely no reception without=0A= antenna connected (I believe this isn't right), etc...=0A=0AI don't have mu= ch time to look into the issue now, but if someone will=0Asuggest how to do= some advanced testing (at almost a step-by-step=0Alevel), I would do that.= =0A=0AOS: 6.2-BETA2=0A=0A[SorAlx] ridin' VN1500-B2=0A_____________________= __________________________=0Afreebsd-hardware@freebsd.org mailing list=0Aht= tp://lists.freebsd.org/mailman/listinfo/freebsd-hardware=0ATo unsubscribe, = send any mail to "freebsd-hardware-unsubscribe@freebsd.org"=0A=0A=0A=0A=0A= =0A=0A=0A=0A =0A___________________________________________________________= _________________________=0ANeed Mail bonding?=0AGo to the Yahoo! Mail Q&A = for great tips from Yahoo! Answers users.=0Ahttp://answers.yahoo.com/dir/?l= ink=3Dlist&sid=3D396546091