[ltp] Re: Linux-Thinkpad digest, Vol 1 #613 - 38 msgs

Tue, 14 Sep 2004 11:43:34 +1000

On Tue, 14 Sep 2004 09:50, linux-thinkpad-request@linux-thinkpad.org wrote:
> Hi,
>
> Recently I have purchased a Thinkpad X40. Everything is working ok,
> except my Atheros wireless network card. In Windows XP (which is still
> installed as dual-boot) everything is working fine.
>
> I am running 2.6.8.1 and have installed the madwifi drivers from CVS
> (September 12, 2004) according to the [1]HOWTO on linux-wireless.org.
> The drivers are working ok, and my accesspoint (Asus WL-500g) is found.
> The problem is that I can't get a DHCPACK and configuring the network
> manually (e.g. ifconfig ath0 192.168.8.3 up) does not work. So I can see
> that the card is working, but can't get a connection.
>
> The following is the output of 'iwconfig ath0' at one moment:
> | vortex:/home/mdb# iwconfig ath0
> | ath0 =C2=A0 =C2=A0 =C2=A0IEEE 802.11g =C2=A0ESSID:"TWISTER" =C2=A0
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Mode:Managed =C2=A0Frequency:2.412GH=
z =C2=A0Access Point:
> | 00:0E:A6:F0:4A:40 =C2=A0 Bit Rate:1Mb/s =C2=A0 Tx-Power:50 dBm =C2=A0 S=
ensitivity=3D0/3
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Retry:off =C2=A0 RTS thr:off =C2=A0 =
=46ragment thr:off
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Encryption key:2627-F685-97 =C2=A0 S=
ecurity mode:restricted
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Power Management:off
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Link Quality=3D31/94 =C2=A0Signal le=
vel=3D-64 dBm =C2=A0Noise level=3D-95 dBm
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Rx invalid nwid:0 =C2=A0Rx invalid c=
rypt:0 =C2=A0Rx invalid frag:0
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Tx excessive retries:0 =C2=A0Invalid=
 misc:0 =C2=A0 Missed beacon:0
>
> But the next moment no AP can be found. This also happens when I'm
>
> keeping my laptop next to the AP:
> | vortex:/home/mdb# iwconfig ath0
> | ath0 =C2=A0 =C2=A0 =C2=A0IEEE 802.11g =C2=A0ESSID:"TWISTER" =C2=A0
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Mode:Managed =C2=A0Frequency:2.432GH=
z =C2=A0Access Point:
> | FF:FF:FF:FF:FF:FF =C2=A0 Bit Rate:1Mb/s =C2=A0 Tx-Power:50 dBm =C2=A0 S=
ensitivity=3D0/3
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Retry:off =C2=A0 RTS thr:off =C2=A0 =
=46ragment thr:off
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Encryption key:2627-F685-97 =C2=A0 S=
ecurity mode:restricted
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Power Management:off
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Link Quality=3D28/94 =C2=A0Signal le=
vel=3D-67 dBm =C2=A0Noise level=3D-95 dBm
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Rx invalid nwid:0 =C2=A0Rx invalid c=
rypt:0 =C2=A0Rx invalid frag:0
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Tx excessive retries:0 =C2=A0Invalid=
 misc:0 =C2=A0 Missed beacon:0
>
> Scanning for networks gives the following output at one moment:
> | vortex:/home/mdb# iwlist ath0 scan
> | ath0 =C2=A0 =C2=A0 =C2=A0Failed to read scan data : Resource temporaril=
y unavailable
>
> But the next moment it seems to work:
> | vortex:/home/mdb# iwlist ath0 scan
> | ath0 =C2=A0 =C2=A0 =C2=A0Scan completed :
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Cell 01 - Address: 00:0E:A6:F0:4A:40
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 E=
SSID:"TWISTER"
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 M=
ode:Master
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 F=
requency:2.412GHz (Channel 1)
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Q=
uality=3D32/94 =C2=A0Signal level=3D-63 dBm =C2=A0Noise level=3D-95
> | dBm Encryption key:on
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:1Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:2Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:5Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:6Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:9Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:11Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:12Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:18Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:24Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:36Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:48Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 B=
it Rate:54Mb/s
> | =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 E=
xtra:bcn_int=3D100
>
> Does anybody have any clue on where to search for a solution? I've
> attached my dmesg output. I'm using Debian unstable with the following
>
> settings in /etc/network/interfaces:
> | iface ath0 inet dhcp
> | =C2=A0 wireless_mode managed
> | =C2=A0 wireless_enc on
> | =C2=A0 wireless_key XXXX-XXXX-XX
> | =C2=A0 wireless_essid TWISTER
>
> Hopefully you can help me out!
>
> Thanks in advance,
> Maarten den Braber
>
> P.S. I've also compiled and tried ndiswrapper with the Windows driver
> and it shows the same erratic behaviour: AP is visible, but no
> connection (sometimes AP is seen, other times not). I will try to test
> it with another AP too.

Not exactly sure if i am pointing to the right solution, but i am suspectin=
g=20
that your problem might be caused by the driver you installed. if your=20
problem persists, and you still cannot figure out what went wrong, try this=
=20
european driver: http://gentoo.inode.at/distfiles/ma...0040514.tar.bz2

Chris