Can't activate wlan0 in F7

Brian Millett bmillett at
Mon Jun 18 03:08:03 UTC 2007

Jonathan Underwood escribío:
> On 17/06/07, Joe Jerome <jjerome1 at> wrote:
>> Help!  We are trying to activate wlan0 on my son's laptop without
>> success.  We installed F7 from the KDE LiveCD.  Opening the Network
>> Device Control shows wlan0 inactive.  When trying to activate it, we
>> get:
>>   Cannot activate network device wlan0!
>>   Device wlan0 does not seem to be present,
>>   delaying installation.
>> Doing a 'dmesg | grep iwl3945' gives:
>> iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver
>> for Linux, 0.0.21kd
> [snip]
>> I have not tried to configure or use wireless hardware before.
>> Not sure what else to try or check.  Suggestions?
> Couple of things jump out at me - on a laptop you'd be better off
> using the NetworkManager functionality rather than manually enabling
> and disabling the device - you should be able to select your desired
> wireless AP from the applet in the taskbar.
> Also, iwl3945 is a buggy piece of crap currently, I have no idea why
> it's even included in the F7 kernel - really, even if you had it
> working it would crap out on you every 10 mins or so.
> I'd advise installing the ipw3945 driver from freshrpms
> (dkms-ipw3945). iwl3945 is a development driver, whereas ipw3945 is
> the previous incarnation of the driver with a binary only daemon which
> meant it couldn't be packaged in Fedora.

You also will want to add to /etc/modprobe.conf depending on the driver you will

alias wlan0 ipw3945
alias wlan0 iwl3945

Brian Millett - [ Garibaldi, "The Gathering"]
"Commander, this little breach of security isn't going to affect my
 Christmas bonus, is it?"

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