Can't scan or connect to WPA network since kernel upgrade

Hi guys,
I upgraded to kernel 2.6.29 earlier today and have been having trouble with scanning and connecting to WPA encrypted networks since. I'm stuck with a wired connection for the minute, but I can't have the wire going through the house for so long otherwise somebody will trip over it - probably me.
I usually use netcfg to connect to the network, but since the update that has failed.
My network called is a Belkin USB Wireless G, model number F5D705ed version 5000ed. It worked perfectly fine on 2.6.28 using the rtl8187 native drivers.
dmesg output for 2.6.29
usbcore: registered new interface driver rtl8187
rtl8187: 8187B chip detected.
wmaster0 (rtl8187): not using net_device_ops yet
wlan0 (rtl8187): not using net_device_ops yet
phy0: hwaddr 00:1c:df:47:44:c0, RTL8187BvE V0 + rtl8225z2
I can start the card up using
sudo ifconfig wlan0 up
When I attempt to scan for a wireless network, I get
sudo iwlist wlan0 scan
wlan0 No scan results
The network is WPA, and would scan fine on 2.6.28.
wpa_supplicant.conf looks like this
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel
eapol_version=1
ap_scan=1
fast_reauth=1
network={
ssid="Arazmataz"
psk="*****************"
priority=5
I should note though, that since the update - /var/run/wpa_supplicant seems to have disappeared.
network.d/profile looks like
CONNECTION="wireless"
INTERFACE=wlan0
SCAN="yes"
SECURITY="wpa"
ESSID="Arazmataz"
GATEWAY="192.168.1.1"
KEY="**************"
IP="dhcp"
IWCONFIG="rate 54M"
TIMEOUT=120
dhcpcd times out also and netcfg fails to connect. Going back to WEP seems to work ok.
iwconfig
wlan0 IEEE 802.11bg ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Tx-Power=20 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
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
Please help!
Thanks.
Last edited by paulingham (2009-04-09 19:04:23)

brain0 wrote:So everyone whose issue is NOT solved by installing crda and configuring it, please raise your hand (paulingham, I guess you will be one of them).
*raises hand*
I've made some progress though - but still can't connect. I can now scan for a network though.
/etc/conf.d/wireless-regdom
WIRELESS_REGDOM="GB"
/var/run/wpa_supplicant still didn't exist, so I created a /var/run/wpa_supplicant folder - and saw a few success messages in the log. This allowed me to bring the card up again and scan for a network.
At this point, I was getting excited until netcfg2 still kept telling me that it couldn't associate with the network.
I installed wicd and gave that a go and got the following. I did a 'tail -f /var/log/wicd/wicd.log' and got this;
2009/04/10 15:17:10 :: Connecting to wireless network Arazmataz
2009/04/10 15:17:10 :: Putting interface down
2009/04/10 15:17:10 :: ifconfig wlan0 down
2009/04/10 15:17:10 :: Releasing DHCP leases...
2009/04/10 15:17:10 :: Setting false IP...
2009/04/10 15:17:10 :: ifconfig wlan0 0.0.0.0
2009/04/10 15:17:14 :: ifconfig eth0 0.0.0.0
2009/04/10 15:17:14 :: Stopping wpa_supplicant and any DHCP clients
2009/04/10 15:17:14 :: killall wpa_supplicant
2009/04/10 15:17:14 :: iwconfig wlan0
2009/04/10 15:17:14 :: Flushing the routing table...
2009/04/10 15:17:14 :: route del dev wlan0iwconfig wlan0
2009/04/10 15:17:14 ::
2009/04/10 15:17:14 :: route del dev eth0
2009/04/10 15:17:14 :: Generating psk...
2009/04/10 15:17:14 :: ['/usr/sbin/wpa_passphrase', 'Arazmataz', 'key commented out here']
2009/04/10 15:17:14 :: Attempting to authenticate...
2009/04/10 15:17:14 :: ['wpa_supplicant', '-B', '-i', 'wlan0', '-c',
'/var/lib/wicd/configurations/001b11ada667', '-D', 'wext']
2009/04/10 15:17:14 :: iwconfig wlan0
2009/04/10 15:17:14 :: Putting interface up...
2009/04/10 15:17:14 :: ifconfig wlan0 up
2009/04/10 15:17:18 :: iwconfig wlan0 mode managed
2009/04/10 15:17:18 :: ['iwconfig', 'wlan0', 'essid', 'Arazmataz', 'channel', '6', 'ap',
'00:1B:11:AD:A6:67']
2009/04/10 15:17:18 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:19 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:20 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:21 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:22 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:23 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:24 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:25 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:26 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:27 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:28 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:29 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:30 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:31 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:32 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:33 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:34 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:35 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:36 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:37 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:38 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:39 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:40 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:41 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:42 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:43 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:44 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:45 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:46 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:47 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:48 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:49 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:50 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:51 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:52 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:53 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:54 :: WPA_CLI RESULT IS SCANNING
2009/04/10 15:17:55 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:56 :: WPA_CLI RESULT IS ASSOCIATED
2009/04/10 15:17:57 :: WPA_CLI RESULT IS 4WAY_HANDSHAKE
2009/04/10 15:17:58 :: wpa_supplicant authentication may have failed.
2009/04/10 15:17:58 :: exiting connection thread
I checked the password multiple times, and it is what it is supposed to be. Still no luck connecting.

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First off, welcome to the Arch forums.
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ctrl_interface=/var/run/wpa_supplicant
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wlan0: Associated with <mac_id>
wlan0: WPA: Invalid EAPOL-Key MIC when using TPTK - ignoring TPTK
wlan0: WPA: Could not verify EAPOL-Key MIC - dropping packet
wlan0: Authentication with <mac_id> timed out.
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: WPA: 4-Way Handshake failed - pre-shared key may be incorrect
wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="my_ssid" auth_failures=1 duration=10
wlan0: Failed to initiate AP scan
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-SSID-REENABLED id=0 ssid="my_ssid"
wlan0: SME: Trying to authenticate with <mac_id> (SSID='my_ssid' freq=2437 MHz)
wlan0: SME: Authentication request to the driver failed
wlan0: Associated with <mac_id>
wlan0: WPA: Invalid EAPOL-Key MIC when using TPTK - ignoring TPTK
wlan0: WPA: Could not verify EAPOL-Key MIC - dropping packet
wlan0: Authentication with <mac_id> timed out.
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: WPA: 4-Way Handshake failed - pre-shared key may be incorrect
wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="my_ssid" auth_failures=2 duration=20
wlan0: Failed to initiate AP scan
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: CTRL-EVENT-SSID-REENABLED id=0 ssid="my_ssid"
wlan0: SME: Trying to authenticate with <mac_id> (SSID='my_ssid' freq=2437 MHz)
wlan0: Trying to associate with <mac_id> (SSID='my_ssid' freq=2437 MHz)
wlan0: Associated with <mac_id>
wlan0: WPA: Invalid EAPOL-Key MIC when using TPTK - ignoring TPTK
wlan0: WPA: Could not verify EAPOL-Key MIC - dropping packet
wlan0: Authentication with <mac_id> timed out.
wlan0: CTRL-EVENT-DISCONNECTED bssid=<mac_id> reason=3 locally_generated=1
wlan0: WPA: 4-Way Handshake failed - pre-shared key may be incorrect
wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="my_ssid" auth_failures=3 duration=20
wlan0: Failed to initiate AP scan

I found that with both drivers as long as dhcpcd is not started on the interface wpa_supplicant stays connected. As soon as dhcpcd is started, wpa_supplicant shows disconnection and it keeps on trying to connect.

MacBook Air periodically 'forgets' its connection to WPA network

I'm hoping I can gain some insight into a persistent and annoying glitch I'm having with wireless on my brand new MB Air.
At home, we use a new AE base station for internet access and it works flawlessly (so far). At work, we have a linksys router using WPA encryption. I connect via DHCP. I am able to connect, using the right password, and everything initially works as well as it does on my iMac, which also connects wirelessly.
However, after a couple of minutes all of my internet services abruptly go away. Shared volumes are lost and I am unable to open any web pages. However, my airport indicates that I am still connected to the router. Turning airport off and back on temporarily relieves the problem, which always resurfaces in a minute or two.
I'm guessing there's some sort of power-saving feature at work here. But I've poked through every system setting I can find and have not found the answer.
With advance thanks for your help,
EB

Many thanks for the reply but it showed an ethernet connection before I ever migrated anything...ie new out of the box. The AppleCare guys weren't so surprised...apparently have seen it on other boxes too. They talked me through adding airport to the device list and we got that working. They had a plausible explanation on why it did that but I was so happy to see an airport connection that (as I am sure you would expect) I didn't pay enough attention to repeat it accurately here. What they could not resolve was the repeated dropping of the connection (all this before I migrated.) I reinstalled OS X unsuccessfully 3 times, with apple care's help, before giving up and putting disk 2 in without a prompt which apparently completed the install. Apple Care seemed happy with that.
I migrated by myself following all prompts and I am sure you may be correct and I screwed that up somehow but it does not explain the hardware issues I had out of the box, brand new, unaltered by me and not of my making. Which is why I queried the hardware.
many thanks again for your suggestions
The migration was after all this and I did it on my own, following all instructions and prompts

How can I restrict who connects with WPA?

Our current network is using WPA with having the users get authenticated via the windows domain. Anyone with a domain login can use the same credentials to log in to the wireless network.
Is there a way to keep some users from authenticating to the wireless network?
I was not sure if the windows domain had an option to set who can and cannot access the wireless.
What I am trying to prevent is a user installing a wireless card into their laptop,getting the SSID from another user and the accessing the wireless network with permission.

If your company standardizes on a given wireless NIC, you might be able to institute a MAC filter.
If you're using WPA with server-based authentication, you can usually install a policy (i.e., with Microsoft IAS, RRAS, and the user account, you can disable wireless logins by checking / unchecking the "Dial-in" attribute).
Are you using ACS, Microsoft, or freeRADIUS (or other RADIUS server)?
WPA is more of an encrytion thing, which authentication scheme are you using (WPA-PSK, LEAP, PEAP, EAP-TLS, EAP-TTLS, MD5 ...)?
IF you're using Microsoft-based authentication platforms, Microsoft has some pretty good white papers / step-by-step info on setting up their systems.
Good Luck
Scott

Can't scan or connect to WPA network since kernel upgrade

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