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Date:      Wed, 15 Jul 2009 09:12:46 +0200
From:      "Paul B. Mahol" <onemda@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: turning off the wireless network radio
Message-ID:  <3a142e750907150012y77ce15d4k2a53f2c09add9bea@mail.gmail.com>
In-Reply-To: <20090714202840.GB1832@kokopelli.hydra>
References:  <20090714053849.GB1893@kokopelli.hydra> <200907141220.25978.milu@dat.pl> <20090714202840.GB1832@kokopelli.hydra>

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On 7/14/09, Chad Perrin <perrin@apotheon.com> wrote:
> On Tue, Jul 14, 2009 at 12:20:25PM +0200, Maciej Milewski wrote:
>> Dnia wtorek 14 lipiec 2009 o 07:38:49 Chad Perrin napisal/(a):
>> > I'm having a real bitch of a time trying to figure out how to shut down
>> > the wireless adapter's radio.  The driver module won't unload as long as
>> > the adapter is active, and neither ifconfig nor iwicontrol are providing
>> > a solution either.
>> >
>> > I'm using (as you may have guessed by mention of iwicontrol) an Intel
>> > wireless adapter, with if_iwi.ko as my driver module.  It's an Intel
>> > PRO/Wireless 2200BG Network Connection according to pciconf -lv.
>> >
>> > Thanks in advance.
>> You can try doing this by software switch:
>> sysctl -a | grep rfkill
>> dev.ath.0.rfkill: 0
>> This switch should disable radio.
>> I don't know if it is supported by iwi driver but you can try.
>
> At first glance, it looks like the iwi equivalent is dev.iwi.0.radio,
> where 1 is on and 0 is off.  It won't let me set it to 0, though,
> claiming it's a read-only sysctl setting.
>
> . . . and trying to set the debug.iwi sysctl setting to 1 caused the
> computer to reboot (not intended behavior, I'm sure).  Bah.  I wonder if

Please provide backtrace.

> there's something wrong with my driver.
>
> --
> Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ]
> Quoth Steinbach's Guideline for Systems Programmers: "Never test for an
> error condition you don't know how to handle."
>


-- 
Paul



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