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#1 2010-06-14 01:11:22

shva
Member
Registered: 2009-04-25
Posts: 13

wireless interface is up but can not be connected

I just installed Arch Linux in my network (Lenovo S10). It had a Broadcom wireless card, and here was the information from "lspci -vnn | grep 14e4"

02:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM5906M Fast Ethernet PCI Express [14e4:1713] (rev 02)
05:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g [14e4:4315] (rev 01)
    Subsystem: Broadcom Corporation Device [14e4:04b5]

I partly followed the wireless tutorial in http://wiki.archlinux.org/index.php/Wireless_Setup and http://wireless.kernel.org/en/users/Drivers/b43. First I installed bc-fwcutter by "pacman -S bc-fwcutter", and then downloaded the latest Broadcom wireless driver from http://mirror2.openwrt.org/sources/ (in my case it was broadcom-wl-4.178.10.4.tar.bz2 ). In the end I install it with bc-fwcutter

bc-fwcutter -w "/lib/firmware/" wl_apsta.o

After that I loaded modules lib80211_crypt_tkip and b43. Here was results from "lsmod | grep b43"

b43                   157859  0 
mac80211              151387  1 b43
cfg80211              108137  2 b43,mac80211
led_class               1997  1 b43
ssb                    39339  1 b43
mmc_core               45599  2 b43,ssb
pcmcia                 26354  2 b43,ssb

Finally the wireless interface showed up. I tried to use wicd to connect to the a WPA2 encrypted wireless channel, but the error "Bad Password" occured. I am sure the password was correct. It also happened to other wireless channels. So I guess there may be some problems (e.g., perhaps I installed the wrong driver). This wireless card used to work in Fedora last year just by pulling the Broadcom wireless package from yum's repo.  So I am sure there must be  some working Linux driver.

Thanks.

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#2 2010-06-14 02:14:26

tlvb
Member
From: Sweden
Registered: 2008-10-06
Posts: 297
Website

Re: wireless interface is up but can not be connected

Can you connect to non-encrypted networks? How about wep? (That is as much as I can help, but it might provide more data for somebody with better knowledge.)


I need a sorted list of all random numbers, so that I can retrieve a suitable one later with a binary search instead of having to iterate through the generation process every time.

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#3 2010-06-14 23:23:47

shva
Member
Registered: 2009-04-25
Posts: 13

Re: wireless interface is up but can not be connected

I tried for an unsecure wireless channel without encryption. It did not work.

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#4 2010-07-19 08:48:43

pahko
Member
Registered: 2010-07-13
Posts: 18

Re: wireless interface is up but can not be connected

I have the same problem....... anybody knows why is thst so?

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#5 2010-07-19 08:58:20

tomk
Forum Fellow
From: Ireland
Registered: 2004-07-21
Posts: 9,839

Re: wireless interface is up but can not be connected

Check your logs for errors.

Also, try connecting manually, using whatever combination of wpa_supplicant, iwconfig, ifconfig, and/or dhcpcd is required for your WLAN. GUIs like wicd etc get in the way of troubleshooting.

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