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Date:      Wed, 19 May 2010 19:04:24 -0400
From:      Tom Uffner <tom@uffner.com>
To:        Attilio Rao <attilio@freebsd.org>
Cc:        current@freebsd.org
Subject:   Re: Call for Test and Review: bwn(4) - another Broadcom Wireless driver
Message-ID:  <4BF46E78.6030909@uffner.com>
In-Reply-To: <v2t3bbf2fe11005061327yd59ff3aew35c88b690b4de6c@mail.gmail.com>
References:  <20100226005115.GP14937@weongyo> <20100228095259.GB3536@weongyo>	<20100301103240.3a4aac8a.ray@dlink.ua>	<20100303082833.GB22865@weongyo>	<20100303111014.6564ea1e.ray@dlink.ua> <20100312231333.GZ1295@weongyo>	<4BD2201E.3090409@entel.upc.edu> <20100424231755.GI65380@weongyo>	<4BD4A928.8020901@entel.upc.edu> <20100506190653.GA31100@weongyo> <v2t3bbf2fe11005061327yd59ff3aew35c88b690b4de6c@mail.gmail.com>

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Attilio Rao wrote:
>
> I have another problem where the bwn is fully recognized and wlan0 is
> created but the interface doesn't scan at all:
> 
> # netstat -nil
> Name      Mtu Network       Address              Ipkts Ierrs Idrop
> Opkts Oerrs  Coll
> bwn0     2290 <Link#1>      00:26:5e:64:be:75        0     0     0
>    0     0     0
> 
> # ifconfig wlan0
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         ether 00:26:5e:64:be:75
>         media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
>         status: no carrier
>         ssid "" channel 1 (2412 MHz 11b)
>         country US authmode OPEN privacy OFF txpower 30 bmiss 7 scanvalid 60
>         bgscan bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 1 wme
>         bintval 0
> 
> # kldstat
> Id Refs Address            Size     Name
>  1    4 0xffffffff80100000 90b9a8   kernel
>  2    1 0xffffffff80c22000 28a9a    bwn_v4_ucode.ko
> 
> doing "ifconfig wlan0 list scan" ends up immediately without further output.
> The dmesg is here: http://www.freebsd.org/~attilio/dmesg-bwn0.diff

I had a similar problem w/ a 4309.

If you haven't solved this already, please check that the radio is
actually enabled. some laptops have a button. some have a key sequence.
many also have a BIOS setting. mine looked pretty much the same as yours
to FreeBSD but just endlessly scanned the channels for a signal until i
noticed that the radio was disabled in BIOS.

tom



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