Re: Bluetooth turned on?

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Wed, 23 Jan 2008 23:08:02 +0100 (CET)
Dieter Baron <dillo%danbala.ifoer.tuwien.ac.at@localhost> wrote:

> In article <20080123212309.59e37957%cs.columbia.edu@localhost> Steven wrote:
> : The Bluetooth light is glowing on my laptop, which I assume means
> that : the device is enabled and hence using power.  How can I
> disable and/or : prevent that?  All of the bt variables default to
> "NO" : in /etc/defaults/rc.conf, and I don't change any of them in
> rc.conf. : Running 'btconfig ubt0 down' doesn't turn off the light.
> This is : 4.99.49/amd64 from Monday.
> 
>   What kind of laptop is it?

A T61.
> 
>   On my IBM Thinkpad T42p the light is on, even if I don't have a
> device driver for the bluetooth adapter compiled into the kernel.
> IIUC you can turn it off using the new thinkpad@acpi driver.
> 
Hmm -- any clue how to?  I don't even see a man(4) page for the
thinkpad driver, let alone one for (8).


                --Steve Bellovin, http://www.cs.columbia.edu/~smb