T60 wifi: Radio disabled by HW RF Kill switch?

[dsr-mzpnVDyJpH4k7aNtvndDlA at public.gmane.org (Dan Ritter)]

On Thu, May 14, 2009 at 01:28:25PM -0400, R. Luoma wrote:
> 
> 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?

In addition to the hardware switch, you may not have the
requested firmware around.

Do you see a line like this?

iwl3945 loaded firmware version blahblahblah

If not, it goes in /lib/firmware and should either be
installable via a package or
http://intellinuxwireless.org/?p=iwlwifi&n=downloads

-dsr-


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