[driverloader] Intermittent connection on Thinkpad T40p with Atheros chip set

Linuxant support (Jonathan) support at linuxant.com
Mon May 2 14:56:21 EDT 2005


please try with different versions of the Windows XP driver to see if 
there is a difference.


Technical specialist / Linuxant
support at linuxant.com

John Pedersen wrote:
> I've been experiencing intermittent connectivity issues under FC 3 on a 
> TP T40p using the Atheros chip set and what I believe is their latest 
> windows driver (ar5211.sys, version  My AP is a Linksys 
> WRT54G with firmware 3.03.6.
> The thinkpad is a dual boot, FC3/XP machine and I use the same driver 
> and access point under linux and windows.  I have no connectivity 
> problems under windows. I can put the laptop in suspend mode and start 
> it up hours later without a hitch.
> Under linux, I have had no problem making an initial connection and 
> getting the dhcp information for the system. As far as I can tell, the 
> IP address gets assigned properly and the proper dns information makes 
> its way into /etc/resolv.conf.
> Generally, at some point in a session, a client (web browser or mail 
> client usually) will start failing to resolve or connect.  If I look at 
> ifconfig, the IP address will be set properly; in iwconfig the essid and 
> key are properly set, and the dns hosts are properly set in 
> /etc/resolv.conf - but a ping to the ap will fail.  I have started 
> running a continuous ping upon connecting on the theory that some sort 
> of timeout might be occurring.
> In this case, the connection failed in the middle of the ping.  I then 
> went and did a dldrconfig -d.  The text files for both are attached.
> For what it's worth, my general practice to connect to an ap, is to use 
> iwlist to confirm the essid, then use iwconfig to explicitly set the 
> essid and key.  I then run up neat (system-config-network), and activate 
> the network connection through it.  I confirm that essid and key in neat 
> are the same as the essid and key that was passed directly to iwconfig.  
> (I've yet to get neat to successfully configure the password for the 
> wireless interface and so do things by hand.)
> I would love to get this running reliably.  Even in its current state 
> though, it was worth the cost of the license.
> Any thoughts as to how to proceed?
> Regards,
> John Pedersen
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