Fedora Networking :: WIFI On Intel Pro 3945ABG Won't Work?

Aug 18, 2010

I have some serious trouble getting the Wireless connection working, using Fedora 13 on a Dell XPS M1710 laptop which has an Intel Pro Wireless 3945 ABG adapter. I have previously tried an earlier version of Fedora I think it was version 10, where it worked flawlessly out of the box, but all versions since then, simply wont work properly. I got the Fedora 12 64 bit working at some stage, after using hours and hours trying to get it working, and suddenly it did. Don't know what suddenly made it work, since I haven't made any new changes, just re-checked the old ones. But I needed to use Skype which is only in 32 bit, so I had to reinstall to a 32 bit version, and then couldn't get it working again.

I can get it to work with any Windows version, no problems. I have also tried with PCBSD version 7.x, 8.0 and today I tried the new 8.1 just to see if that worked to, an no problemos, it works perfectly out of the box, I could set it up in 5 minutes, even though I don't have any previous knowledge of PCBSD, other than a few short trial installs.

It has to be said that I am a newbee to any Unix/Linux, so I don't know how to troubleshoot properly, and have only tried a few things which I have picked up from other forums. But unfortunately nothing seems to work. The first thing I did after a clean install was I looked in the Fedora 13 documentation, that says I should check that the NetworkManager is controling the interface, I tried to start up NetworkManager but nothing happens, no reaction what so ever. I tried rebooting and then restarting NetworkManager, but no matter what I try, I won't work, not even if I am using the root account.

I noticed right after the install, that there was a choice of connecting to a hidden network in the lower right corner of the screen, but while I have been trying to get the NetworkManager to work, it has suddenly disappeared (I have disabled SSID broadcast on my Linksys router. I've tried to run lsmod and it seems like the right firmware is running, I think it was called IWL3945 or something like that. I think there were around 3 such modules running, plus a Dell module.

Another important note, before I even touched the the WIFI, I connected to the Internet via my normal fixed LAN connection, and installed all the updates that were available and rebooted the system. I am using an LinkSys WAG354G V2 ADSL router, where I have disabled SSID broadcast. Is there a kind soul out there, who has a good idea of what the problem is, or a good idea of how to troubleshoot it ? since a laptop without a WIFI connection is not of much use to me.

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[Code]...

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[Code].....

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right
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Below is the information the wireless help guide said to post. Machine Brand and Model: IBM Thinkpad T60

Wireless Brand, Model, and Wireless Chipset: lspci -nn | grep 'Wireless'

Code:
03:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4227] (rev 02)
Check Interface:
ifconfig wlan0

[Code]...

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Code:
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[Code].....

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[code]....

The wireless card:

Code:

#lspci -vv
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Subsystem: Intel Corporation Device 1010
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[code]....

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I have tried to follow some of the threads on this forum on similar cases, but the ones that were comprehensible to me did not work (or I actually might not have understood them either). code...

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[code]...

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lawrence@lawrence-laptop:~$ lspci
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[code]....

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Quote:

And, tail -f /var/log/messages says:

So when i wanna connect to a wireless it's returns:

Quote:

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Code:
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Code:
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[Code]...

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My exact hardware:

Code:

I notived the following problems in /var/log/kern.log

Code:

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I've been trying to configure this wifi on CentOS 5 this whole weekend =(. Here's the details:I'm currently doing this link:

[URL]

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mac80211 117453 0
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[code]....

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0. Fresh testing jessie install (offline and ignored the question for adding iwlwifi)

1. Adding following sources:
deb http://ftp.de.debian.org/debian/ jessie main contrib non-free
deb-src http://ftp.de.debian.org/debian/ jessie main contrib non-free
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2. apt-get update

3. apt-get install firmware-iwlwifi

4. modprobe -r iwlwifi ; modprobe iwlwifi

So searching the web just brings up the wheezy way solution (backport new kernel and iwlwifi).

But in this case, actual jessie testing kernel is already installed by default and so the actual 43 firmware-iwlwifi

Some information:
Code: Select all# dpkg -l |grep -i iwlwifi
ii  firmware-iwlwifi                      0.43                              all          Binary firmware for Intel Wireless cards

Code: Select all# dmesg | grep wifi
[    7.890216] iwlwifi 0000:02:00.0: irq 107 for MSI/MSI-X
[    8.478878] iwlwifi 0000:02:00.0: firmware: direct-loading firmware iwlwifi-7260-9.ucode
[    8.479867] iwlwifi 0000:02:00.0: loaded firmware version 23.214.9.0 op_mode iwlmvm
[    8.553105] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 7260, REV=0x144
[    8.553193] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled

[Code] ....

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Next install with the official Jessie release, i will look, why wicd not work out of the box.

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I tried to run insmod wl and insmod wl.ko and that failed.

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