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Brandon Simmons 10-02-2010 11:52 PM

Can connect to WPA network, but not to open network: BCM4312 card w/ b43 driver
 
I seem to be unable to successfully be able to connect to an open
access point, although connecting to a WPA network (through wicd
frontend) works.

I am running the latest squeeze, with kernel 2.6.32-5-686. My machine
is a Dell Mini 10v.

My card is a Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01).

$ sudo lspci -vvn|grep 4315 -A9
03:00.0 0280: 14e4:4315 (rev 01)
Subsystem: 1028:000c
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 17
Region 0: Memory at f0100000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME-

I'm using the b43 driver, installed via the contrib
firmware-b43-lpphy-installer package:

$ lsmod | grep b43
b43 132595 0
mac80211 123574 1 b43
cfg80211 87661 2 b43,mac80211
rng_core 2178 1 b43
led_class 1757 1 b43
ssb 33686 1 b43
mmc_core 38491 2 b43,ssb
pcmcia 16194 2 b43,ssb
pcmcia_core 20450 3 b43,ssb,pcmcia

This is how the wicd README.Debian says /etc/network/interfaces should look:

$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

If I can't figure this out and want to file a bug report, should I
file it against the "linux-image-2.6.32-5-686" package? Thanks for any
clues and advice.

Brandon Simmons
http://coder.bsimmons.name/blog


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Camaleón 10-03-2010 03:36 PM

Can connect to WPA network, but not to open network: BCM4312 card w/ b43 driver
 
On Sat, 02 Oct 2010 19:52:38 -0400, Brandon Simmons wrote:

> I seem to be unable to successfully be able to connect to an open access
> point, although connecting to a WPA network (through wicd frontend)
> works.

(...)

Some tips:

- Review your wicd logs
- Check with another open AP
- Check that the AP broadcasts its SSID and review its settings
- Try with NetworkManager (if you do not want to install NM to avoid
messing up your current installation, load a LiveCD and test from there)

If none of the above works, there is a second driver you could test (it
requieres a bit more of work, though):

http://wiki.debian.org/wl

> If I can't figure this out and want to file a bug report, should I file
> it against the "linux-image-2.6.32-5-686" package? Thanks for any clues
> and advice.

I'd say yes, AFAICT "b43" driver is included in mainline kernel :-?

Also:

http://linuxwireless.org/en/users/Support

Greetings,

--
Camaleón


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