wifi adapter problem

[Boris shtrasman]

When dealing with newer then 2860 cards afaik there is no stable mainline
kernel support (I hope it is the correct term)


2010/11/17 David Ronkin <dronkin at gmail.com>

> Hi
>
> I bought Edimax  EW-7711USN usb adapter (with linux support written on the
> box).
>
Looks like the driver is found by my ubuntu 10.10 Maverick (on titan laptop)
> but still i cannot go to web (i have open wireless nw around) - getting the
> error below.
>
> try to :

1) blacklist the rta2870sta and use rt2800usb or rt2x00
2) switch to compat-wireless (it solved my problems).


I googled for some time but gave up meanwhile,
> Please kindly help!
>
> Could you also replay with :

if you have wpa2 enc ap try to kill network manager (if it is on) and start
the plain old wpa_supplicant with debug values when connecting and provide
us the logs.

wlist wlan1 scan

tail /var/log/syslog after you connected the card to the system and did and
iwconfig.

Here some logs:
>
> # lshw | grep wire
>            *-firewire
>                 product: Firewire (IEEE 1394)
>                 configuration: driver=firewire_ohci latency=32
>        capabilities: ethernet physical wireless
>        configuration: broadcast=yes driver=rt73usb
> driverversion=2.6.35-22-generic firmware=N/A link=no multicast=yes
> wireless=IEEE 802.11bg
>        capabilities: ethernet physical wireless
>        configuration: broadcast=yes multicast=yes wireless=Ralink STA
>
> #iwconfig wlan1 essid Homek
>
> #iwconfig
>
> wlan1     Ralink STA  ESSID:""  Nickname:"RT2870STA"
>           Mode:Auto  Frequency=2.412 GHz  Access Point: Not-Associated
>           Bit Rate:1 Mb/s
>           RTS thr:off   Fragment thr:off
>           Encryption key:off
>           Link Quality=10/100  Signal level:0 dBm  Noise level:-115 dBm
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
>
> # dhclient wlan1
> Internet Systems Consortium DHCP Client V3.1.3
> Copyright 2004-2009 Internet Systems Consortium.
> All rights reserved.
> For info, please visit https://www.isc.org/software/dhcp/
>
> Listening on LPF/wlan1/00:1f:1f:c7:16:53
> Sending on   LPF/wlan1/00:1f:1f:c7:16:53
> Sending on   Socket/fallback
> [snip]
>
You should be sure that you wore able to auth againgst the ap prior to
calling dhcpclient

> DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 7
>
> I talked about a card with the same chip on AP10 with some people and all
had the same results it basically overheats , crashes get stuck and don't
work.
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