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Date: Sun, 22 Oct 2006 18:58:52 +0200
From: Erik Norgaard <norgaard@locolomo.org>
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To: Jeremie Le Hen <jeremie@le-hen.org>
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Cc: freebsd-current@FreeBSD.org
Subject: Re: Cannot unload if_iwi module
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Jeremie Le Hen wrote:
> Hi,
> 
> when I try to unload if_iwi module, here is what happens:
> 
> % jarjarbinks:/<3>dev/iwi:118# kldunload if_iwi
> % iwi0: detached
> % jarjarbinks:/<3>dev/iwi:119# iwi0: <Intel(R) PRO/Wireless 2200BG> mem 0xc8218000-0xc8218fff irq 11 at device 3.0 on pci6
> % iwi0: Ethernet address: 00:12:f0:2c:f3:6e
> % iwi0: [GIANT-LOCKED]
> 
> The kld is reloaded automatically (I am sure it is reloaded because
> the id showed in kldstat(8) changes each time):
> Any clue how to disable this unwanted behaviour ?

Have you tried to bring down the interface first? A possible reason 
could be that the interface is "busy" or locked so the unload fails, are 
you running wpa_supplicant?

Try stop wpa_supplicant if you use it and bring down the interface 
first. Also, you may get more info if you set debug.iwi=1.

Cheers, Erik
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