Re: [Madwifi-users] Signal Strength Issue
Status: Beta
Brought to you by:
otaku
From: Jarom H. <js...@az...> - 2004-12-01 21:41:41
|
Is this possibly related to the problem I have seen? I get very low signal strength reported in Kismet, wavemon and iwconfig (average about 30/94). Also, on another note, it seems that the driver reports that I am transmitting at 50,000 watts from that little card. Since neither the computer or I have melted yet, I am assuming this is a bogus reading. :) Question is this: Are we aware that signal strength and power levels are not being reported correctly? Also, power levels seem to be non-configurable, as I can set it to ANY number and it says "okay". Signal strength seems to be there with the latest drivers, as I have a connection that seems to be good, though it NEVER reports over 40/94, which is my record high level (recorded about 1 foot away from the AP). Also, I have not seen any response from the developers regarding this problem since I reported it a few weeks ago. I would like to hear from them if at all possible. Thanks. Jarom On 12/01/2004 01:25 PM, Micah Hoffman wrote: > > I have been having some issues with using the Madwifi drivers with > kismet. I tried posting on the Kismet forums but they (and my testing) > seem to suggest a madwifi issue (see post > http://www.kismetwireless.net/Forum/General/Messages/1101532249.327657). > I've google'd this to death and read posts from the madwifi lists as > well. But it still doesn't explain what I am seeing. > > On an old Dell Latitude CPx H500 laptop (running Mandrake 9.2, kernel > 2.4.22-36mdk, madwifi from August 2004, kismet 2004.04.R1, Orinoco Gold > b/g (Proxim Model 8470-WD), Netgear a/b (Model WAB501)) everything works > fine. By that I mean that I can insert the cards, configure kismet to > look at ath0 and ath1 and start kismet. The app launches and the cards > find devices and show the signal strength. Great. > > The problem is that I have a very nice/new IBM Thinkpad T41 laptop with > an integrated IBM a/b/g card. I've configured it as closely as I can to > the old laptop (Mandrake 9.2, kernel 2.4.22-36mdk, madwifi from August > 2004, kismet 2004.04.R1, Orinoco Gold b/g (Proxim Model 8470-WD) and > then the internal card as well). All devices are found and I can bring > them up fine (using ifconfig, iwconfig, and iwpriv). Start kismet and I > get no signal strength from either card. I know that the kismet and > pcmcia system on this laptop works fine because I can insert an old IBM > b card (using the orinoco-13e patched drivers) and start kismet and see > signal strength. > > I've tried the following in order to better troubleshoot this, all with > no effect: > - Different OSs (RedHat 9, Fedora, SUSE) > - Different kernels (2.4.28 compiled from kernel.org, > 2.4.25-9mdk from rpm, as well as other kernels for the other OSs) > - Different versions of the madwifi drivers (latest greatest > from CVS, older from Sept 2004) > - Different versions of kismet (2004.04 and 2004.10) > > My questions are this: > 1 - What can I do to figure out how it IS working on the old > computer and not on the new? > 2 - How do I get the signal strength working for the madwifi > drivers? > > Thanks! |