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Old 11-09-2008, 02:59 AM
Catalin David
 
Default Intrepid issue: wireless intel 3945 on Dell D520

Hey, guys and girls! Get your cups of coffee or cigars and please, bare
with me!

I'm still up having an issue for a couple of days. I have a laptop, the
above mentioned model. It's being used, mainly, in 2 places: my room and
a lab where I work.
System was until today dual-boot with Win XP, but, because it was too
slow, I decided to reinstall it. I wasn't able to find a cd with that so
I installed Vista (bad choice, fixed the MBR and now I'm back in Ubuntu).

So, getting to the issue:
In the lab (I use a wireless router 802.11b at home), I don't know what
router we have, but I get a kernel panic moments after turning on the
wireless (searched on the web, reported to be a wireless 802.11n issue
with the kernel). Suggested solution: install
linux-backports-modules-intrepid in order to make it work. It worked
until now, no kernel panics ever since.

Still, I have encountered another problem with WinXP. If I have my
wireless turned off while restarting, the wireless, won't turn on in
Ubuntu. Since I got Vista, it always turns off the wireless before
restarting, so I get no wireless in Ubuntu. Suggested solution:
uninstall linux-backports-modules-intrepid **. So I did and it works
fine now. Haven't tested in the lab, but I expect kernel panics there, too.


With the backports installed:
$ sudo lshw -C Network -> reports the wireless as network unclaimed
$ lsmod | grep iwl3945 -> outputs nothing, so the module is not loaded
$ sudo modprobe iwl3945 -> Error inserting iwl3945
(/_path_to_iwl3945.ko): Unknows symbol in module or unknown parameter
(see dmesg)
$ dmesg | tail ->
iwl3945: Unknown symbol lbm_cw_print_ssid

Without the backports, everything is fine as long as I stay home (not
quite of an option... I hope you understand that :P ).


So, has anyone experienced that before? If yes, a possible tweak?

I am willing to test anything on my machine (in the limits of common
sense) if you are willing to offer me instructions.


Thanks a lot,
Catalin

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Old 11-09-2008, 05:25 PM
Karl Larsen
 
Default Intrepid issue: wireless intel 3945 on Dell D520

Catalin David wrote:
> Hey, guys and girls! Get your cups of coffee or cigars and please, bare
> with me!
>
> I'm still up having an issue for a couple of days. I have a laptop, the
> above mentioned model. It's being used, mainly, in 2 places: my room and
> a lab where I work.
> System was until today dual-boot with Win XP, but, because it was too
> slow, I decided to reinstall it. I wasn't able to find a cd with that so
> I installed Vista (bad choice, fixed the MBR and now I'm back in Ubuntu).
>
> So, getting to the issue:
> In the lab (I use a wireless router 802.11b at home), I don't know what
> router we have, but I get a kernel panic moments after turning on the
> wireless (searched on the web, reported to be a wireless 802.11n issue
> with the kernel). Suggested solution: install
> linux-backports-modules-intrepid in order to make it work. It worked
> until now, no kernel panics ever since.
>
> Still, I have encountered another problem with WinXP. If I have my
> wireless turned off while restarting, the wireless, won't turn on in
> Ubuntu. Since I got Vista, it always turns off the wireless before
> restarting, so I get no wireless in Ubuntu. Suggested solution:
> uninstall linux-backports-modules-intrepid **. So I did and it works
> fine now. Haven't tested in the lab, but I expect kernel panics there, too.
>
>
> With the backports installed:
> $ sudo lshw -C Network -> reports the wireless as network unclaimed
> $ lsmod | grep iwl3945 -> outputs nothing, so the module is not loaded
> $ sudo modprobe iwl3945 -> Error inserting iwl3945
> (/_path_to_iwl3945.ko): Unknows symbol in module or unknown parameter
> (see dmesg)
> $ dmesg | tail ->
> iwl3945: Unknown symbol lbm_cw_print_ssid
>
> Without the backports, everything is fine as long as I stay home (not
> quite of an option... I hope you understand that :P ).
>
>
> So, has anyone experienced that before? If yes, a possible tweak?
>
> I am willing to test anything on my machine (in the limits of common
> sense) if you are willing to offer me instructions.
>
>
> Thanks a lot,
> Catalin
>
>
Well no help but my new lap top has an Intel everything and windows
works fine with WiFi but Intrepid will not even admit to seeing a WIfI
sytem.

I had to delete my Vista partition to get at the 140 GB It was
using. I discovered that the Gparted in the Intrepid LiveCD cannot part
a system with the new Windows file system. So I removed the entire
partition and installed Ubuntu. Right now I am installing Windows back
in from the software saved in another partition.

This re-install is really interesting and is taking the better part
of an hour to take place. I HATE Windows :-)

Karl


--

Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
PGP 4208 4D6E 595F 22B9 FF1C ECB6 4A3C 2C54 FE23 53A7


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