I see the same "Warning: Driver for device wlan0 recommend version 21...."
on a pure Red Hat 5 update 3 machine, so whatever that warning
is coming from, it's not from anything that Troy or the rest of SL
is doing.

Warning: Driver for device wlan0 recommend version 21 of Wireless Extension,
but has been compiled with version 20, therefore some driver features
may not be available...

And my wireless is working mostly OK.


Steve Timm


On Sun, 17 May 2009, Troy Dawson wrote:

Hi Tom,
I am going to snip parts of your message out. Not that I don't think it is important, but more so I can concentrate on one thing.

Tom Rosmond wrote:
... snip ...

Warning: Driver for device wlan0 recommend version 21 of Wireless
Extension,
but has been compiled with version 20, therefore some driver features
may not be available...

wlan0 IEEE 802.11 ESSID:"olympic" Mode:Managed Frequency:2.437 GHz Access Point: 00:1B:2F:E3:DF:4A Bit Rate=1 Mb/s Tx-Power=27 dBm Retry min limit:7 RTS thr:off Fragment thr=2352 B Link Quality=51/100 Signal level=-62 dBm Noise level=-95 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

... snip ...

3. Although the versions of madwifi and wireless-tools in SL 5.3 should
be more current than I installed on the 32 bit system, the warning about
version mismatch for the 64 bit system suggests otherwise.  This I don't
understand.

... snip ...

This has me concerned because this isn't the first time I've seen this message.

I'm worried that perhaps the machine I am compiling these on has a wrong version of a package or two. Despite my efforts I am not the greatest wireless expert and it's possible I'm doing something wrong with the compiling. From what I can tell, my 32 bit and 64 bit compile area's are the same for wireless. But maybe I am looking at the wrong packages.

Does anyone know where I should start looking to track down this error? Or even if there is anything I can do to fix it?

Troy


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Steven C. Timm, Ph.D  (630) 840-8525
t...@fnal.gov  http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.

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