@Craig: Is this bug still present in Ubuntu 12.04?
** Changed in: network-manager (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/567268
Title:
NetworkManager leaves garbage in essid after disconnect
Status in “network-manager” package in Ubuntu:
Incomplete
Bug description:
Binary package hint: network-manager
NetworkManager appears to fill the essid with garbage when it
disconnects from a network as part of disabling networking (ie: right
click on nm applet, uncheck "enable networking").
craig@ayaki:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu lucid (development branch)
Release: 10.04
Codename: lucid
craig@ayaki:~$ apt-cache policy network-manager
network-manager:
Installed: 0.8-0ubuntu3
Candidate: 0.8-0ubuntu3
Version table:
*** 0.8-0ubuntu3 0
500 http://ftp.iinet.net.au/pub/ubuntu/ lucid/main Packages
500 http://au.archive.ubuntu.com/ubuntu/ lucid/main Packages
100 /var/lib/dpkg/status
craig@ayaki:~$ uname -a
Linux ayaki 2.6.32-20-generic #29-Ubuntu SMP Fri Apr 9 20:35:55 UTC 2010 i686
GNU/Linux
While connected to wifi, as normal:
root@ayaki:~# iwconfig wlan0
wlan0 IEEE 802.11abgn ESSID:"madradish"
Mode:Managed Frequency:2.437 GHz Access Point: 00:12:BF:09:E1:76
Bit Rate=1 Mb/s Tx-Power=14 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:3132-3334-35
Power Management:off
Link Quality=42/70 Signal level=-68 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
After disconnection, note the garbage essid:
root@ayaki:~# iwconfig wlan0
wlan0 IEEE 802.11abgn
ESSID:"p\xE9>\xA1A\xE1\xFCg>\x01~\x97\xEA\xDCk\x96\x8F8\*\xEC\xB0;\xFB2\xAF<T\xEC\x18\xDB\"
Mode:Managed Frequency:2.437 GHz Access Point: Not-Associated
Tx-Power=14 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
I never noticed this before upgrading to lucid (pre) and therefore
from NM 0.7 to NM 0.8 . While that doesn't mean it wasn't happening, I
tend to use iwconfig and would expect to have noticed.
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