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I have an N300 compatible USB WLAN card - edimax - ew-7622UMn.
It doesn't work with Ubuntu at all.
I can see the available networks, however when I connect it will *never*
authenicate (And thus never connect)
I can connect to the network using the onboard wlan card on my samsung
netbook fine (using the same details)
The ew-7622UMn card should be compatible with the WLAN network - I'm
trying to connect with WPA2 to a wireless G network .
syslog shows
----------------------
Nov 16 12:56:04 ubuntu wpa_supplicant[2155]: wlan2: Trying to associate with
SSID 'wirelessderek'
Nov 16 12:56:04 ubuntu wpa_supplicant[2155]: wlan2: Association request to the
driver failed
Nov 16 12:56:04 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: disconnected -> associating
Nov 16 12:56:04 ubuntu wpa_supplicant[2155]: wlan2: Associated with
00:16:b6:18:5c:f7
Nov 16 12:56:04 ubuntu wpa_supplicant[2155]: wlan2: WPA: 4-Way Handshake failed
- pre-shared key may be incorrect
Nov 16 12:56:04 ubuntu wpa_supplicant[2155]: wlan2: CTRL-EVENT-DISCONNECTED
bssid=00:16:b6:18:5c:f7 reason=0
Nov 16 12:56:04 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: associating -> 4-way handshake
Nov 16 12:56:04 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: 4-way handshake -> disconnected
Nov 16 12:56:09 ubuntu wpa_supplicant[2155]: wlan2: Trying to associate with
SSID 'wirelessderek'
Nov 16 12:56:09 ubuntu wpa_supplicant[2155]: wlan2: Association request to the
driver failed
Nov 16 12:56:09 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: disconnected -> associating
Nov 16 12:56:10 ubuntu wpa_supplicant[2155]: wlan2: Associated with
00:16:b6:18:5c:f7
Nov 16 12:56:10 ubuntu wpa_supplicant[2155]: wlan2: WPA: 4-Way Handshake failed
- pre-shared key may be incorrect
Nov 16 12:56:10 ubuntu wpa_supplicant[2155]: wlan2: CTRL-EVENT-DISCONNECTED
bssid=00:16:b6:18:5c:f7 reason=0
Nov 16 12:56:10 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: associating -> 4-way handshake
Nov 16 12:56:10 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: 4-way handshake -> disconnected
Nov 16 12:56:13 ubuntu NetworkManager[1688]: <warn> Activation
(wlan2/wireless): association took too long.
Nov 16 12:56:13 ubuntu NetworkManager[1688]: <info> (wlan2): device state
change: config -> need-auth (reason 'none') [50 60 0]
Nov 16 12:56:13 ubuntu NetworkManager[1688]: <warn> Activation
(wlan2/wireless): asking for new secrets
Nov 16 12:56:15 ubuntu NetworkManager[1688]: <info> (wlan2): supplicant
interface state: disconnected -> inactive
---------------
** Affects: wireless-tools
Importance: Undecided
Status: New
** Affects: wpasupplicant
Importance: Undecided
Status: New
** Affects: networkmanagement (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment precise quantal
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Edimax wlan USB EW-7622UMn - Ubuntu 12.10 - device not compatible, never able
to authenticate (other cards on same system fine)
https://bugs.launchpad.net/bugs/1079671
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which is subscribed to networkmanagement in Ubuntu.
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