Intel Pro Wireless 3945

[John Dey]

Axel,

I have been away on business--sorry for the delay.  Following the 
instructions list below, I was able to get wireless up and running on 
Thinkpad t60p laptop with ipw3945 running fc6 x86_64.  I added ccrma 
low latency kernel and for reasons unrelated to wireless and have 
switched to fc6 i386 and am encountering wireless troubles with that 
OS.  I will post on a new email.  But thanks for your assistance.

John
On May 15, 2007, at 9:26 AM, Axel Thimm wrote:

> On Tue, May 15, 2007 at 09:13:42AM -0400, John Dey wrote:
>>> Have you started the regulatory daemon (ipw3945d)?
>>
>> Yes ps -C ipw3945d shows with a time of zero.  I did yum install
>> ipw3945 and ipw3945-kmdl-`uname -r` as reported yesterday.  My system
>> boot ipw3945d at initialization.  I am somewhat confused about
>> ipw3945-firmware ( I can't find a yum version) or is it ipw3945-ucode.
>> I may not have the firmware installed?
>
> It's the latter and you must have it installed if you did the yum
> command above at that command pulls in both the regulatory daemon as
> well as the proper firmware.
>
> But! The regulatory daemon needs to start after you modprobe the
> module. This is a chicken and egg problem, which is why the setup in
> http://ipw3945.sourceforge.net/INSTALL looks so convoluted and in fact
> is often causing problems.
>
> Follow the step in the INSTALL document to verify the driver is
> working (not the build steps, but only the run steps). This will guide
> you properly to a working system. Next you can experiment with
> automating if for booting purposes. If you're lucky (90% are) the
> modprobing in /etc/modprobe.conf will work for you.
>
> If not, then you need to try autoloading the module in
> /etc/sysconfig/modules/ipw3945.modules. modprobe, optinally sleep a
> second or two and start ipw3945d in there.
>
>>> If you want to automate this check out
>>> http://ipw3945.sourceforge.net/INSTALL (AUTOMATIC DAEMON LOADING VIA
>>> MODPROBE), but beware, there are racing issues, so the suggested
>>> modprobe tricks only work on some systems (which is why it isn't done
>>> by the packages automatically).
> -- 
> Axel.Thimm at ATrpms.net
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