[ltp] Wireless Options for a T41

Marius Gedminas linux-thinkpad@linux-thinkpad.org
Fri, 14 Sep 2007 21:08:16 +0300


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On Fri, Sep 14, 2007 at 09:48:15AM -0600, Adam Findley wrote:
> I have T41 which has been working great, except for the wireless.  I
> upgraded to a ipw2200 card (which I bought off the IBM website so I'd
> avoid any bios errors), but recently I have been having a terrible time
> with it.

My ipw2200 worked pretty well most of the time (and was extremely
irritating when it didn't).

> I keep getting this error when receiving high amounts of data, whether
> or not I am using WPA, WEP or nothing:
> ipw2200: Firmware error detected.  Restarting.

I've seen plenty of these.  I tended to ignore them.

When my wifi connection dropped (sometimes wavemon would show a perfect
signal quality, but pings wouldn't get through) I tended to run a shell
script that did

  sudo rmmod ipw2200
  sudo modprobe ipw2200
  sudo /etc/dbus-1/event.d/22dhcdbd restart
  sudo /etc/dbus-1/event.d/25NetworkManager restart
  sudo /etc/dbus-1/event.d/26NetworkManagerDispatcher restart

and my connection usually went back to normal.  Hack.

(If you don't use NetworkManager, you probably want to run something
other than those event.d scripts after the modprobe.)

Marius Gedminas
--=20
Added mysterious, undocumented --scanflags and --fuzzy options.
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