T60 wifi: Radio disabled by HW RF Kill switch?

[Tom McLaughlin]

R. Luoma wrote, On 05/14/2009 01:28 PM:
> I am still struggling with the T60 (using Ubuntu 9.04)
> 
> By fiddling around with device file permissions, I finally got sound working,
> by wifi stubbornly refuses to work.  For dmesg, I get the following:
> 
> [   11.526091] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks
> [   11.526095] iwl3945: Copyright(c) 2003-2008 Intel Corporation
> [   11.526211] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> [   11.526226] iwl3945 0000:03:00.0: setting latency timer to 64
> [   11.526266] iwl3945: Detected Intel Wireless WiFi Link 3945ABG
> [   11.526457] iwl3945 0000:03:00.0: irq 2296 for MSI/MSI-X
> [   11.580601] iwl3945: Tunable channels: 11 802.11bg, 13 802.11a channels
> [   11.581503] phy0: Selected rate control algorithm 'iwl-3945-rs'
> [   13.624090] iwl3945: Radio Frequency Kill Switch is On:
> [   20.474760] iwl3945 0000:03:00.0: firmware: requesting iwlwifi-3945-1.ucode
> [   20.525255] iwl3945: Radio disabled by HW RF Kill switch
> 
> Needless to say, the Fn wifi button has no effect> and the BIOS
> claims that the wifi is up and running.
> 
> Does anyone have useful suggestions on how to toggle this mysterious HW RF Kill switch?
> 
> Thank,

My old R51 didn't do this but my new HP has a setting in the BIOS which 
will disable the WIFI if eth0 is up.  The hardware toggle has no effect. 
  May be worth checking with the ethernet connection disconnected if you 
haven't tried so already.

tom

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