Public bug reported:
If I connect to my university wifi (WPA/WPA2 enterprise, tunneled TLS,
MSCHAPv2), after a short while I am disconnected and automatically
connected again (~2 seconds connected, ~7 seconds disconnected).
I will attach the output in syslog. At 14:36:30 the connection is
established the first time. Then at 14:36:53 the interface is
disconnected and at 14:36:59 connected again. This goes on without end.
Ping shows the above mentioned timings:
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1694 ttl=49
time=8.22 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1695 ttl=49
time=55.5 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1702 ttl=49
time=8.31 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1703 ttl=49
time=8.40 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1711 ttl=49
time=9.61 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1712 ttl=49
time=9.50 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1719 ttl=49
time=8.36 ms
64 bytes from bk-in-f94.1e100.net (173.194.69.94): icmp_req=1720 ttl=49
time=8.66 ms
This error only occurs, when I'm "connected" to the university network. At home
I don't have any problems.
I also tried different wifi interfaces, its the same:
lsusb
Bus 002 Device 004: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n
(USB-Stick)
Bus 002 Device 003: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications
Processor (Notebook-internal)
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-23-generic 3.8.0-23.34
ProcVersionSignature: Ubuntu 3.8.0-23.34-generic 3.8.11
Uname: Linux 3.8.0-23-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: moi 1947 F.... pulseaudio
moi 6485 F.... pulseaudio
CRDA:
country DE:
(2400 - 2483 @ 40), (N/A, 20)
(5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR
(5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS
(5470 - 5725 @ 40), (N/A, 26), DFS
Date: Sun Jun 16 14:29:20 2013
HibernationDevice: RESUME=UUID=2718c8c5-0653-4954-b481-e48b086c7619
InstallationDate: Installed on 2013-06-05 (11 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: Dell Inc. Latitude E6520
MarkForUpload: True
ProcEnviron:
TERM=xterm
SHELL=/bin/bash
PATH=(custom, user)
LANG=de_DE.UTF-8
XDG_RUNTIME_DIR=<set>
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-23-generic
root=UUID=a90e64e3-94f8-481e-b28f-c6b3b708dd6c ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-23-generic N/A
linux-backports-modules-3.8.0-23-generic N/A
linux-firmware 1.106
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/07/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A17
dmi.board.name: 0NVF5K
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA17:bd03/07/2013:svnDellInc.:pnLatitudeE6520:pvr01:rvnDellInc.:rn0NVF5K:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6520
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug raring
** Attachment added: "syslog"
https://bugs.launchpad.net/bugs/1191510/+attachment/3704868/+files/syslog
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https://bugs.launchpad.net/bugs/1191510
Title:
Wifi disconnects every 10 seconds in WPA/WPA2 enterprise
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