On some wireless chipsets, they have to be reset.  If unplugging/replugging doesn't work, then do a rmmod <yourwirelessmodule>; sleep 10; modprobe <yourwirelessmodule>.  That actually forces the kernel to reinitialize the driver for your unit, kind of like uninstalling/reinstalling a driver in winders.  Except it takes 2 seconds instead of several minutes, and no reboots :)

Linc

Lincoln Rutledge
Network Engineer
OSC Networking
800-627-6420
>>> "Matt T." <Matt@boons.net> 12/27/07 12:31 PM >>>
On Thursday 27 December 2007, Adinda Praditya wrote:
> On Dec 17, 2007 9:39 AM, Matt T. <Matt@boons.net> wrote:
> > - Install the rt2x00 module for your kernel; probably a reboot is helpful
> > after that
> >
> > - do not load ndiswrapper, unload it if needed, and make sure it does not
> > get loaded when rebooting. This might not matter as long as you have no
> > win drivers for the DWL-G122 installed, but better be sure, and you won't
> > need them anyway.
>
> I'll start it over with the installation, so there's no ndiswrapper
> module loaded and i got a clear and fresh install. Since some one told
> me his success setting the same device, i compiled the rt73 driver (i
> used the daily CVS
> http://rt200.serialmonkey.com/rt73-cvs-daily.tar.gz), set it up with
> knetworkmanager and finally got the device worked.
>
> I don't know why, suddenly i went off line, the "act" led went off
> (the link is still on without blinking). I tried to restart the
> network service it stuck, the restarting process got hang. And so does
> the KDE applet (knetworkmanager).
>
> I re-pluged the device it went back normal but only for a few minutes.
> I tried to configure the network using traditional ifup (using YAST),
> I still get the same problem, it only allow me to online for several
> minutes.
>
> What should i check? Did i install the incorrect driver? Any idea what
> happened? One more thing, When i compiled the driver, the device was
> plugged (I forgot to unplug it). Is this mean something?
>
> Thanks,
>
> Adinda P

I had a similar occasional freeze at one out of 2 wireless networks I use. I 
had to disable and enable again wirelss, or even to completely restart 
networkmanager, dunno anymore. However before I could investigate further, 
the problem disappeared.

There is a chance that my regular upgrades to the latest SuSE released 
software, including the kernel, did make the problem go away without further 
effort :) 

Sorry to have no other advice, it just works and works.
Matt
 

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