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
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https://bugs.launchpad.net/bugs/946926
Title:
apparmor="DENIED" received with kernel 3.2.0-18.28-generic
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