[ltp] New T61 :) Wireless manager question, and wireless question.

[Marius Gedminas]

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On Sat, May 03, 2008 at 12:41:51AM -0600, Ben Pearre wrote:
> Many thanks to all of you who set my mind somewhat at rest regarding
> the new T61.  It arrived yesterday.  A more full review will follow,
> but so far I have just one or two questions, about wireless:
>=20
> 1) For years I've been using a hacked-together set of scripts for
>    wireless, in which I scan and then associate to a network based on
>    the scan results, optionally with an encryption key.  That worked
>    well, but it is tedious and could easily be automated.  I'm
>    assuming that by now it is, multiple times.  I've tried
>    kwifimanager (it doesn't work, but see (2)).  What else is out
>    there?  What has the functionality I describe?  What do you like?

Network Manager works fine on my T61.  I've the same wifi: Intel
3945abg, the iwl3945 modules from Ubuntu Hardy.

> 2) Perhaps related to kwifimanager's failure to impress me: I have the
>    Intel 3945abg, Debian unstable, kernel 2.6.25, the iwl3945 modules
>    loaded, and I cannot see my (or any) network.  I've tried manually
>    setting the ESSID and channel through iwconfig, but dhclient still
>    can't get a lease, and iwconfig shows that the card still isn't
>    binding to any network.  I haven't yet done as good a job as I'd
>    like of searching the archives here but I think I exhausted the
>    usefulness of the wiki.  Any suggestions would be deeply
>    appreciated.  Here's some output:
>=20
> (0)# iwconfig
> lo        no wireless extensions.
>=20
> eth1      no wireless extensions.
>=20
> wmaster0  no wireless extensions.
>=20
> wlan0     IEEE 802.11g  ESSID:"" =20
>           Mode:Managed  Channel:0  Access Point: Not-Associated  =20
>           Tx-Power=3D0 dBm  =20
>           Retry min limit:7   RTS thr:off   Fragment thr=3D2352 B  =20
>           Encryption key:off
>           Link Quality:0  Signal level:0  Noise level:0
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>=20
> (0)# iwlist wlan0 scan
> wlan0     Interface doesn't support scanning : Network is down
>=20
> (0)# ifconfig wifi0 up
> wifi0: ERROR while getting interface flags: No such device

'wifi0' !=3D 'wlan0'.

Marius Gedminas
--=20
Westheimer's Discovery:
        A couple of months in the laboratory can
        frequently save a couple of hours in the library.

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