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From: Franziska von Weber
Newsgroups: alt.os.linux.ubuntu
Subject: WLAN on Ubuntu Edgy using Realtek8187 with Ndiswrapper & WPA
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Date: Thu, 1 Feb 2007 23:45:38 +0100
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Dear usenet-users (and hopefully Ubuntu specialists),
after spending three whole days in front of my computer, reading like
twenty different tutorials on the subject and asking questions in different
forums, I´m still stuck at square one with configuring my wlan.
I will describe what I did and post the outputs of some commands so that
you can see what happened so far. I hope that someone can recognize the
mistakes I´ve made and help me to correct them.
1. I installed Ubuntu Edgy.
2. I have an Avalon USB Wireless Adapter with Realtek8187 chipset.
Currently there´s a linux driver available at the Realtek website that is
widely considered useless. So, after reading some HowTo´s that all
recommend this procedure, I installed Ndiswrapper-1.35. Then I read in a
forum that somenone with the exact same adapter recommended to use the
Win98/ME drivers instead of the newer Win2k/XP drivers since they would not
work.
3. I installed the win98 driver, the command "ndiswrapper -l" tells me
"driver installed, hardware present".
4. I blacklisted all other modules that could be in conflict with
ndiswrapper and loaded the ndiswrapper-module.
5. I use wpa_supplicant (or at least I´m trying to), so I also made the
entry with my ESSID and PSK and everything else in the wpa_supplicant.conf
file.
- So far everything went great, no errors whatsoever. The first time I
realized that something had gone wrong, was when executing the following
command: sudo wpa_supplicant -iwlan0 -Dwext
-c/etc/wpa_supplicant/wpa_supplicant.conf -d
The adapter could not find any wireless network whatsoever. I then read on
the Ndiswrapper troubleshooting-page that there might be two problems.
Either the AP does not broadcast the SSID or else the radio could be turned
off. Since I can see the SSID when using the same adapter on win2k I
believe that that is not the problem. But everything I found so far on
turning the radio on/ off was about notebooks and I´m tyring to do this
with an ordinary desktop computer. (Using the adapter under win2k there´s a
possibility to turn off the radio but only within the wlan-application)
So any help will be appreciated but please do not be too cryptic with your
advice since I am totally new to Linux and have no idea where to look for
mistakes.
Well, thanks in advance and my apologies for this long posting. ;)
Franziska
______________________________________________
Here are some outputs from my system:
root@ede:/# lsusb
Bus 003 Device 002: ID 0bda:8187 Realtek Semiconductor Corp.
Bus 003 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
root@ede:/# ifconfig
eth0 Protokoll:Ethernet Hardware Adresse 00:0B:6A:AC:D1:C5
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:193 Basisadresse:0xd400
lo Protokoll:Lokale Schleife
inet Adresse:127.0.0.1 Maske:255.0.0.0
inet6 Adresse: ::1/128 Gültigkeitsbereich:Maschine
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:18 errors:0 dropped:0 overruns:0 frame:0
TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:0
RX bytes:1284 (1.2 KiB) TX bytes:1284 (1.2 KiB)
wlan0 Protokoll:Ethernet Hardware Adresse 00:0E:2E:A7:50:F5
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Also weird, the GUI-hardware-manager does not recognize any wireless
device, no name, no mac address, nothing - but with "ifconfig" it´s there.
root@ede:/# ndiswrapper -l
netrtuw : driver installed
device (0BDA:8187) present
root@ede:/# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11g ESSID:off/any
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Bit Rate:54 Mb/s Tx-Power:20 dBm Sensitivity=0/3
RTS thr:2432 B Fragment thr:2432 B
Encryption key:off Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
sit0 no wireless extensions.
root@ede:/# cat /etc/network/interfaces
auto lo
iface lo inet loopback
iface eth0 inet dhcp
auto eth1
iface eth1 inet dhcp
auto eth2
iface eth2 inet dhcp
auto ath0
iface ath0 inet dhcp
iface wlan0 inet dhcp
wpa-driver wext
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
auto wlan0
root@ede:/# cat /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
eapol_version=1
ap_scan=2
network={
ssid="mySSID"
scan_ssid=1
proto=WPA
key_mgmt=WPA-PSK
pairwise=TKIP
group=TKIP
psk="my-key-in-ascii"
}
root@ede:/# sudo wpa_supplicant -iwlan0 -Dwext
-c/etc/wpa_supplicant/wpa_supplicant.conf -d
Initializing interface 'wlan0' conf
'/etc/wpa_supplicant/wpa_supplicant.conf' driver 'wext' ctrl_interface
'N/A' bridge 'N/A'
Configuration file '/etc/wpa_supplicant/wpa_supplicant.conf' ->
'/etc/wpa_supplicant/wpa_supplicant.conf'
Reading configuration file '/etc/wpa_supplicant/wpa_supplicant.conf'
ctrl_interface='/var/run/wpa_supplicant'
eapol_version=1
ap_scan=2
Priority group 0
id=0 ssid='mySSID'
Initializing interface (2) 'wlan0'
EAPOL: SUPP_PAE entering state DISCONNECTED
EAPOL: KEY_RX entering state NO_KEY_RECEIVE
EAPOL: SUPP_BE entering state INITIALIZE
EAP: EAP entering state DISABLED
EAPOL: External notification - portEnabled=0
EAPOL: External notification - portValid=0
SIOCGIWRANGE: WE(compiled)=20 WE(source)=18 enc_capa=0xf
capabilities: key_mgmt 0xf enc 0xf
WEXT: Operstate: linkmode=1, operstate=5
Own MAC address: 00:0e:2e:a7:50:f5
wpa_driver_wext_set_wpa
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_countermeasures
wpa_driver_wext_set_drop_unencrypted
Setting scan request: 0 sec 100000 usec
Using existing control interface directory.
bind(PF_UNIX): Address already in use
ctrl_iface exists and seems to be in use - cannot override it
Delete '/var/run/wpa_supplicant/wlan0' manually if it is not used anymore
Failed to initialize control interface '/var/run/wpa_supplicant'.
You may have another wpa_supplicant process already running or the file was
left by an unclean termination of wpa_supplicant in which case you will
need
to manually remove this file before starting wpa_supplicant again.
Failed to add interface wlan0
State: DISCONNECTED -> DISCONNECTED
WEXT: Operstate: linkmode=-1, operstate=5
No keys have been configured - skip key clearing
EAPOL: External notification - portEnabled=0
EAPOL: External notification - portValid=0
wpa_driver_wext_set_wpa
wpa_driver_wext_set_drop_unencrypted
wpa_driver_wext_set_countermeasures
No keys have been configured - skip key clearing
WEXT: Operstate: linkmode=0, operstate=6
Cancelling scan request
--- Platinum Xpress/Win/WINServer v3.0pr5
* Origin: Omicron Theta BBS (1:261/20)
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