Public bug reported: Using kernel kernel 3.2.0-18.28-generic (no problems with 3.2.0-17 and older) on Ubuntu 11.10 x86_64, the wifi device (Intel Corporation Centrino Advanced-N 6200, iwlwifi module) and the networks are detected, but it's impossible to connect to them.
In the kernel logs: Mar 4 17:43:37 da-dell kernel: [ 102.917052] wlan0: authenticate with e0:91:f5:a6:6f:91 (try 1) Mar 4 17:43:37 da-dell kernel: [ 102.919462] wlan0: authenticated Mar 4 17:43:37 da-dell kernel: [ 102.920053] wlan0: associate with e0:91:f5:a6:6f:91 (try 1) Mar 4 17:43:37 da-dell kernel: [ 102.932578] wlan0: RX ReassocResp from e0:91:f5:a6:6f:91 (capab=0x411 status=0 aid=2) Mar 4 17:43:37 da-dell kernel: [ 102.932582] wlan0: associated Mar 4 17:43:37 da-dell kernel: [ 102.953816] type=1400 audit(1330879417.854:36): apparmor="DENIED" operation="create" parent=1158 profile="/sbin/dhclient" pid=3893 comm="dhclient" family="inet" sock_type="dgram" protocol=17 Mar 4 17:43:37 da-dell kernel: [ 102.982980] wlan0: deauthenticating from e0:91:f5:a6:6f:91 by local choice (reason=3) Mar 4 17:43:38 da-dell kernel: [ 103.212999] cfg80211: All devices are disconnected, going to restore regulatory settings Mar 4 17:43:38 da-dell kernel: [ 103.213004] cfg80211: Restoring regulatory settings Mar 4 17:43:38 da-dell kernel: [ 103.213013] cfg80211: Calling CRDA to update world regulatory domain Mar 4 17:43:38 da-dell kernel: [ 103.216079] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain Mar 4 17:43:38 da-dell kernel: [ 103.216083] cfg80211: World regulatory domain updated: Mar 4 17:43:38 da-dell kernel: [ 103.216084] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Mar 4 17:43:38 da-dell kernel: [ 103.216087] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Mar 4 17:43:38 da-dell kernel: [ 103.216089] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Mar 4 17:43:38 da-dell kernel: [ 103.216091] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Mar 4 17:43:38 da-dell kernel: [ 103.216093] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Mar 4 17:43:38 da-dell kernel: [ 103.216095] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) # dpkg -l|grep apparmor ii apparmor 2.7.0~beta1+bzr1774-1ubuntu2 User-space parser utility for AppArmor ii apparmor-utils 2.7.0~beta1+bzr1774-1ubuntu2 Utilities for controlling AppArmor ii libapparmor-perl 2.7.0~beta1+bzr1774-1ubuntu2 AppArmor library Perl bindings ii libapparmor1 2.7.0~beta1+bzr1774-1ubuntu2 changehat AppArmor library # cat /proc/version_signature Ubuntu 3.2.0-18.28-generic 3.2.9 In the attachment, the output of apparmor_parser -p /etc/apparmor.d/sbin.dhclient I also receive this, on stderr, running it: Cache read/write disabled: /sys/kernel/security/apparmor/features interface file missing. (Kernel needs AppArmor 2.4 compatibility patch.) Thanks! ** Affects: apparmor (Ubuntu) Importance: Undecided Status: New ** Tags: dhclient network wifi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/946926 Title: apparmor="DENIED" received with kernel 3.2.0-18.28-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/946926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs