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Old 01-11-2008, 09:50 PM
Jack Malmostoso
 
Default iwl4965 and rf_kill switch

On Fri, 11 Jan 2008 18:20:11 +0100, maximilian attems wrote:

> i announce an 2.6.24-rc7 upload for tomorrow morning.

Dear Maximilian,

I was just downloading from kernel.org when I read your announcement.
Thanks for sparing me a kernel compile

This 2.6.24-rc7 seems to work just fine but I have an issue with the
iwl4965 module. I'll describe my problem here, but if this is not the
appropriate place please excuse me and kick me in the right direction.

So, when I boot 2.6.24-rc7 on my intel-based laptop the wireless card
gets correctly recognized and the iwl4965 module is loaded. The wlan0
interface is created BUT the software rf_kill switch is ON, preventing
the card to work.
So I check:

vasquez:~# cat /sys/bus/pci/devices/0000:03:00.0/rf_kill
2

Ok, makes sense. Let's disable the switch:

vasquez:~# echo 0 > /sys/bus/pci/devices/0000:03:00.0/rf_kill
vasquez:~# cat /sys/bus/pci/devices/0000:03:00.0/rf_kill
2

Nothing happened! Let's try with brute force:

vasquez:~# rmmod iwl4965
vasquez:~# modprobe iwl4965
vasquez:~# cat /sys/bus/pci/devices/0000:03:00.0/rf_kill

0

Ha! Bingo! But:

vasquez:~# ifconfig wlan0
wlan0: error fetching interface information: Device not found

and /var/log/messages on modprobing iwl4965 says:

Jan 11 23:39:24 vasquez kernel: iwl4965: Intel(R) Wireless WiFi Link
4965AGN driver for Linux, 1.1.17ks
Jan 11 23:39:24 vasquez kernel: iwl4965: Copyright(c) 2003-2007 Intel
Corporation
Jan 11 23:39:24 vasquez kernel: ACPI: PCI Interrupt 0000:03:00.0[A] ->
GSI 18 (level, low) -> IRQ 18
Jan 11 23:39:24 vasquez kernel: iwl4965: Detected Intel Wireless WiFi
Link 4965AGN
Jan 11 23:39:24 vasquez kernel: iwl4965: Radio disabled by HW RF Kill
switch

Any advice on how to make this work? Maybe a patch that forces the driver
to start with the killswitch OFF?

The iwlwifi bugzilla does not seem to help on the issue.

Thanks for any help you can give me, and for the great work!

--
Best Regards, Jack
Linux user #264449
Powered by Debian Sid AMD64


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Old 01-13-2008, 08:24 AM
Jack Malmostoso
 
Default iwl4965 and rf_kill switch

On Sat, 12 Jan 2008 00:20:19 +0100, Jack Malmostoso wrote:

> The iwlwifi bugzilla does not seem to help on the issue.

I think I found a related bugreport:

http://bughost.org/bugzilla/show_bug.cgi?id=1209

But the patches do not seem to apply cleanly to 2.6.24-rc7.

--
Best Regards, Jack
Linux User #264449
Powered by Debian GNU/Linux on AMD64


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Old 01-14-2008, 04:40 PM
maximilian attems
 
Default iwl4965 and rf_kill switch

On Sun, 13 Jan 2008, Jack Malmostoso wrote:

> On Sat, 12 Jan 2008 00:20:19 +0100, Jack Malmostoso wrote:
>
> > The iwlwifi bugzilla does not seem to help on the issue.
>
> I think I found a related bugreport:
>
> http://bughost.org/bugzilla/show_bug.cgi?id=1209
>
> But the patches do not seem to apply cleanly to 2.6.24-rc7.

yep iwlwifi is still quite a young driver,
2.6.24 inclusion uncovered quite some bugs
(wpa, rfkill, led, ..).
although it is already much better then the initial
submission we had backported in 2.6.23.

currently it looks more like a gob it all or not approach
http://cvs.fedora.redhat.com/viewcvs/rpms/kernel/devel/linux-2.6-wireless-pending.patch?view=markup
quite unsure to advocate aboves huge patch at that point
for etch kernel also. so currently prefering to stay on
mainline with it.

--
maks


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Old 01-14-2008, 05:47 PM
Jack Malmostoso
 
Default iwl4965 and rf_kill switch

On Mon, 14 Jan 2008 19:00:25 +0100, maximilian attems wrote:

> yep iwlwifi is still quite a young driver, 2.6.24 inclusion uncovered
> quite some bugs (wpa, rfkill, led, ..). although it is already much
> better then the initial submission we had backported in 2.6.23.

Dear Maximilian,

thanks for the answer.
I have managed to apply the second patch on the bugzilla report, but it
does not work. I'll report back to the iwlwifi bugzilla.

> currently it looks more like a gob it all or not approach
> http://cvs.fedora.redhat.com/viewcvs/rpms/kernel/devel/linux-2.6-
wireless-pending.patch?view=markup
> quite unsure to advocate aboves huge patch at that point for etch kernel
> also. so currently prefering to stay on mainline with it.

I understand your point of view
I'll try and get hold of Fedora sources and see if I can work something
out.

Currently I have a perfectly functioning 2.6.22, so I am not left in the
cold and I can experiment freely.

Again thanks for your work!

--
Best Regards, Jack
Linux User #264449
Powered by Debian GNU/Linux on AMD64


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