Network Adapter Realtek 8188ce doesn't work with PEAP mode under 802.11n
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
wpasupplicant (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
Binary package hint: wpasupplicant
MY university deployed 802.11n wireless LAN. However, my new T420
cannot connect to the network under ubuntu 11.04. I found the driver
for realtek 8188CE is rtl8192ce.ko, rtlwifi. I asked network
administrator to help me. They told me my wireless adapter didn't work
well with the 802.11n network. Is this because of the driver? The
following are the wpa_supplicant output. FYI
Ubuntu 2.6.38-8.42-generic 2.6.38.2
------------------
Trying to authenticate with 00:0b:85:97:33:0c (SSID='
freq=2462 MHz)
Trying to associate with 00:0b:85:97:33:0c (SSID='
Associated with 00:0b:85:97:33:0c
CTRL-EVENT-
CTRL-EVENT-
CTRL-EVENT-
Authentication with 00:00:00:00:00:00 timed out.
Failed to initiate AP scan.
Trying to authenticate with 00:24:6c:d0:48:42 (SSID='
freq=2462 MHz)
Trying to associate with 00:24:6c:d0:48:42 (SSID='
Associated with 00:24:6c:d0:48:42
CTRL-EVENT-
CTRL-EVENT-
CTRL-EVENT-
CTRL-EVENT-
CTRL-EVENT-
Network/O=ValiCert, Inc./OU=ValiCert Class 2 Policy Validation
Authority/CN=http://<email address hidden>'
CTRL-EVENT-
Inc./OU=Go Daddy Class 2 Certification Authority'
CTRL-EVENT-
subject=
Inc./OU=http://
Certification Authority/
CTRL-EVENT-
Control Validated/
EAP-MSCHAPV2: Authentication succeeded
EAP-TLV: TLV Result - Success - EAP-TLV/Phase2 Completed
CTRL-EVENT-
WPA: Key negotiation completed with 00:24:6c:d0:48:42 [PTK=CCMP GTK=TKIP]
CTRL-EVENT-
(auth) [id=0 id_str=]
Michael MIC failure detected
WPA: Sending EAPOL-Key Request (error=1 pairwise=0 ptk_set=1 len=99)
Michael MIC failure detected
WPA: Sending EAPOL-Key Request (error=1 pairwise=0 ptk_set=1 len=99)
TKIP countermeasures started
CTRL-EVENT-
^CCTRL-
-------
I've tested the kernel provided by the driver maintainer at
git clone --depth 1000 git://git. kernel. org/pub/ scm/linux/ kernel/ git/linville/ wireless- testing. git
which fixes the error that rtlwifi doesn't work with HT_40. But the wpa_supplicant still fails to establish the connection to AP.
The output is similar as the old kernel.