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From: Fabio Coatti <fabio.coatti@gmail.com>
To: linux-wireless@vger.kernel.org
Subject: iwlagn rfkill and 2.6.31 on Intel Corporation PRO/Wireless 5100 AGN
Date: Wed, 16 Sep 2009 15:21:15 +0200
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Hi all,
I'm experiencing a bad behaviour of rfkill / iwlang driver. Here the 
description:

Kernels: 2.6.30.[5,6] 2.6.31  
Hardware: HP EliteBook 6930p

Behaviour: once a working wireless is killed activating the rfkill button, 
there is no way to turn off the rfkill and riactivate wifi network. Even a 
reboot is not able to reset the situation; to get again the control of rfkill 
button is to reboot under windows xp and activate wifi. After that I can boot 
inder linux with wifi active and kill it with rfkill button and the loop 
starts again :)
I'm pretty sure that this issue is present since some kernel before the one 
I've reported, but I'm not sure about the versions.

I don't know if this is iwlagn or acpi related bug (or my fault), I'm 
available for any test.

HW:
Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network 
Connection
        Subsystem: Intel Corporation Device 1211                                               
        Flags: bus master, fast devsel, latency 0, IRQ 33                                      
        Memory at d0100000 (64-bit, non-prefetchable) [size=8K]                                
        Capabilities: [c8] Power Management version 3                                          
        Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+                             
        Capabilities: [e0] Express Endpoint, MSI 00                                            
        Capabilities: [100] Advanced Error Reporting                                           
        Capabilities: [140] Device Serial Number 00-21-6b-ff-ff-74-2b-28                       
        Kernel driver in use: iwlagn                                                           
        Kernel modules: iwlagn 

Let me know if more information are needed.

Thanks for any answer (I'm not subscribed to this list, so please CC me on 
answers, thanks)