We think its a combination of issues.The new kernel included new drivers for 
both the broadcomm wireless cards and the Intel cards.
Those newer drivers seemed to break quite a few things. When you use te newer 
drivers with the older kernel, some things , such as in my case the wireless 
connection light on my notebooks still do not work, but WEB then does.If you 
use the older drivers with the newer kernel,  wep doesn't work natively but the 
wireless indicator does work.I looked in the BUG fix list, both of these 
problems are in the query for being fixed.I think that most of the problems are 
solvable in the new drivers, although it is possible that the fix will require 
a newer networkmanager module.Its all coming together, but very very slowly. I 
update my machine once a week and as of the most recent update suspend now 
works, so they are progressing forward.Later,Mackintire 
--- On Mon, 6/30/08, Chris Pratt <[EMAIL PROTECTED]> wrote:
From: Chris Pratt <[EMAIL PROTECTED]>
Subject: [Bug 223111] Re: 8.04: Centrino Wifi WEP not working, WPA2 ok
To: [EMAIL PROTECTED]
Date: Monday, June 30, 2008, 5:31 PM
Is this a Centrino issue or a Network-Manager issue?  I have the same
issue with Broadcom drivers-- https://bugs.launchpad.net/ubuntu/+source
/network-manager/+bug/230047

-- 
8.04: Centrino Wifi WEP not working, WPA2 ok
https://bugs.launchpad.net/bugs/223111
You received this bug notification because you are a direct subscriber
of the bug.

Status in Source Package "linux" in Ubuntu: Confirmed

Bug description:
After upgrading to 8.04, my Centrino Wifi suddenly can't connect to my WEP
AccessPoint anymore. I can connect to the neighbour's WPA2 AccessPoint. And
if I plug in an Orinoco Gold PCMCIA card, I can make the connection to my WEP
AP. Under 7.10 everything worked OK. It's a pure 8.04 thing (not an upgrade
thing): I'm typing this on a Live Boot 8.04, with the same results: no WEP
connection from my Centrino.

My AP with WEP is a Sweex. The WPA2 AP is Speedtouch 780.

[EMAIL PROTECTED]:~$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04"
[EMAIL PROTECTED]:~$


[EMAIL PROTECTED]:~$ tail -60 syslog 
Apr 27 16:37:46 ubuntu kernel: [  364.092867] wlan0: authenticate with AP
00:50:fc:d5:34:3e
Apr 27 16:37:46 ubuntu kernel: [  364.096375] wlan0: RX authentication from
00:50:fc:d5:34:3e (alg=0 transaction=2 status=0)
Apr 27 16:37:46 ubuntu kernel: [  364.096382] wlan0: authenticated
Apr 27 16:37:46 ubuntu kernel: [  364.096386] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:37:46 ubuntu kernel: [  364.101061] wlan0: authentication frame
received from 00:50:fc:d5:34:3e, but not in authenticate state - ignored
Apr 27 16:37:46 ubuntu kernel: [  364.111477] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:37:46 ubuntu kernel: [  364.111484] wlan0: AP denied association
(code=12)
Apr 27 16:37:46 ubuntu kernel: [  364.295334] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:37:46 ubuntu kernel: [  364.296545] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:37:46 ubuntu kernel: [  364.296551] wlan0: AP denied association
(code=12)
Apr 27 16:37:47 ubuntu kernel: [  364.495031] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:37:47 ubuntu kernel: [  364.497544] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:37:47 ubuntu kernel: [  364.497550] wlan0: AP denied association
(code=12)
Apr 27 16:37:47 ubuntu kernel: [  364.694725] wlan0: association with AP
00:50:fc:d5:34:3e timed out
Apr 27 16:37:51 ubuntu NetworkManager: <info>  Old device 'wlan0'
activating, won't change. 
Apr 27 16:37:59 ubuntu kernel: [  377.270624] wlan0: privacy configuration
mismatch and mixed-cell disabled - disassociate
Apr 27 16:37:59 ubuntu kernel: [  377.272562] wlan0: Initial auth_alg=0
Apr 27 16:37:59 ubuntu kernel: [  377.272571] wlan0: authenticate with AP
00:50:fc:d5:34:3e
Apr 27 16:37:59 ubuntu kernel: [  377.273167] wlan0: Initial auth_alg=0
Apr 27 16:37:59 ubuntu kernel: [  377.273173] wlan0: authenticate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:00 ubuntu kernel: [  377.471173] wlan0: authenticate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:00 ubuntu kernel: [  377.472760] wlan0: RX authentication from
00:50:fc:d5:34:3e (alg=0 transaction=2 status=0)
Apr 27 16:38:00 ubuntu kernel: [  377.472767] wlan0: authenticated
Apr 27 16:38:00 ubuntu kernel: [  377.472771] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:00 ubuntu kernel: [  377.475473] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:38:00 ubuntu kernel: [  377.475479] wlan0: AP denied association
(code=12)
Apr 27 16:38:00 ubuntu kernel: [  377.670898] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:00 ubuntu kernel: [  377.673430] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:38:00 ubuntu kernel: [  377.673437] wlan0: AP denied association
(code=12)
Apr 27 16:38:00 ubuntu kernel: [  377.871568] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:00 ubuntu kernel: [  378.070281] wlan0: association with AP
00:50:fc:d5:34:3e timed out
Apr 27 16:38:04 ubuntu NetworkManager: <info>  Old device 'wlan0'
activating, won't change. 
Apr 27 16:38:10 ubuntu NetworkManager: <info>  Activation
(wlan0/wireless): association took too long (>120s), asking for new key. 
Apr 27 16:38:10 ubuntu NetworkManager: <info>  Activation (wlan0) New
wireless user key requested for network 'SanderNET'. 
Apr 27 16:38:13 ubuntu kernel: [  390.725835] wlan0: privacy configuration
mismatch and mixed-cell disabled - disassociate
Apr 27 16:38:13 ubuntu kernel: [  390.727561] wlan0: Initial auth_alg=0
Apr 27 16:38:13 ubuntu kernel: [  390.727570] wlan0: authenticate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:13 ubuntu kernel: [  390.728333] wlan0: Initial auth_alg=0
Apr 27 16:38:13 ubuntu kernel: [  390.728337] wlan0: authenticate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:13 ubuntu kernel: [  390.730717] wlan0: RX authentication from
00:50:fc:d5:34:3e (alg=0 transaction=2 status=0)
Apr 27 16:38:13 ubuntu kernel: [  390.730724] wlan0: authenticated
Apr 27 16:38:13 ubuntu kernel: [  390.730728] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:13 ubuntu kernel: [  390.733147] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:38:13 ubuntu kernel: [  390.733154] wlan0: AP denied association
(code=12)
Apr 27 16:38:13 ubuntu kernel: [  390.926596] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:13 ubuntu kernel: [  390.930954] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:38:13 ubuntu kernel: [  390.930961] wlan0: AP denied association
(code=12)
Apr 27 16:38:13 ubuntu kernel: [  391.126274] wlan0: associate with AP
00:50:fc:d5:34:3e
Apr 27 16:38:13 ubuntu kernel: [  391.133381] wlan0: RX AssocResp from
00:50:fc:d5:34:3e (capab=0x11 status=12 aid=4)
Apr 27 16:38:13 ubuntu kernel: [  391.133388] wlan0: AP denied association
(code=12)
Apr 27 16:38:14 ubuntu kernel: [  391.326108] wlan0: association with AP
00:50:fc:d5:34:3e timed out
Apr 27 16:38:15 ubuntu NetworkManager: <info>  Activation (wlan0) New
wireless user key request for network 'SanderNET' was canceled. 
Apr 27 16:38:15 ubuntu NetworkManager: <info>  Activation (wlan0) failure
scheduled... 
Apr 27 16:38:15 ubuntu NetworkManager: <info>  Activation (wlan0) failed
for access point (SanderNET) 
Apr 27 16:38:15 ubuntu NetworkManager: <info>  Activation (wlan0) failed.

Apr 27 16:38:15 ubuntu NetworkManager: <info>  Deactivating device
wlan0.

Apr 27 16:38:20 ubuntu kernel: [  397.600966] wlan0: privacy configuration
mismatch and mixed-cell disabled - disassociate
Apr 27 16:38:26 ubuntu kernel: [  403.724042] wlan0: privacy configuration
mismatch and mixed-cell disabled - disassociate
Apr 27 16:38:33 ubuntu kernel: [  410.776126] wlan0: privacy configuration
mismatch and mixed-cell disabled - disassociate
Apr 27 16:39:03 ubuntu kernel: [  440.591291] wlan0: privacy configuration
mismatch and mixed-cell disabled - disassociate

-- 
8.04: Centrino Wifi WEP not working, WPA2 ok
https://bugs.launchpad.net/bugs/223111
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