My fix was to switch to Debian.
On Jul 4, 2013 7:25 PM, "Vladimir Mencl" <291...@bugs.launchpad.net> wrote:

> Hi,
>
> I'm surprised how long this bug has been around.  It has been affecting
> me since I installed 12.04 on a T410si ThinkPad with an RTL8191SEvB (pci
> 10ec:8172)
>
> I also get a very unstable WiFi connection on enterprise networks that
> have multiple access points, but WiFi is rock-solid on small home
> networks that have just one AP.
>
> The log message I get in the log matches what other describe:
>
> Jul  5 10:04:21 bluefern-vme28-l NetworkManager[14855]: <info> (wlan0):
> roamed from BSSID 00:24:C4:D2:0C:A1 (eduroam) to (none) ((none))
>
> Any idea of when a fix or workaround would be available?
>
> I'd be happy to help by providing more info (logs, debug output) or
> trying out fixes or workaround.
>
> Cheers,
> Vlad
> vladimir.me...@gmail.com
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (278800).
> https://bugs.launchpad.net/bugs/291760
>
> Title:
>   network-manager roams to (none) ((none)) - background scanning
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/linux/+bug/291760/+subscriptions
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-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/291760

Title:
  network-manager roams to (none) ((none)) - background scanning

Status in The Linux Kernel:
  Fix Released
Status in NetworkManager:
  Confirmed
Status in “linux” package in Ubuntu:
  Invalid
Status in “network-manager” package in Ubuntu:
  Fix Released
Status in “linux” source package in Maverick:
  Invalid
Status in “network-manager” source package in Maverick:
  Fix Released

Bug description:
  Binary package hint: network-manager

  The network manager roames to a "none" bssid and back, this happens in more 
or less two minute intervalls. During this time 
  i get:
  Oct 31 03:44:17 Oct 31 03:44:17 coppelius named[5281]: too many timeouts 
resolving 'linuxhaters.blogspot.com/A' (in '.'?): disabling EDNS
  Oct 31 03:44:17 coppelius named[5281]: too many timeouts resolving 
'www.pro-linux.de/A' (in '.'?): disabling EDNS
  Oct 31 03:44:17 coppelius named[5281]: too many timeouts resolving 
'linuxhaters.blogspot.com/A' (in '.'?): disabling EDNS
  coppelius named[5281]: too many timeouts resolving 
'linuxhaters.blogspot.com/A' (in '.'?): disabling EDNS
  Oct 31 03:44:17 coppelius named[5281]: too many timeouts resolving 
'www.pro-linux.de/A' (in '.'?): disabling EDNS
  Oct 31 03:44:17 coppelius named[5281]: too many timeouts resolving 
'linuxhaters.blogspot.com/A' (in '.'?): disabling EDNS


  
  /var/log/daemon.log
  Oct 31 20:29:41 coppelius NetworkManager: <debug> [1225481381.966597] 
periodic_update(): Roamed from BSSID 00:04:0E:73:0F:34 (Silkes Parfum) to 
(none) ((none)) 
  Oct 31 20:29:47 coppelius NetworkManager: <debug> [1225481387.969699] 
periodic_update(): Roamed from BSSID (none) ((none)) to 00:04:0E:73:0F:34 
(Silkes Parfum) 
  Oct 31 20:31:42 coppelius NetworkManager: <debug> [1225481502.049585] 
periodic_update(): Roamed from BSSID 00:04:0E:73:0F:34 (Silkes Parfum) to 
(none) ((none)) 
  Oct 31 20:31:48 coppelius NetworkManager: <debug> [1225481508.054596] 
periodic_update(): Roamed from BSSID (none) ((none)) to 00:04:0E:73:0F:34 
(Silkes Parfum) 
  Oct 31 20:33:42 coppelius NetworkManager: <debug> [1225481622.130595] 
periodic_update(): Roamed from BSSID 00:04:0E:73:0F:34 (Silkes Parfum) to 
(none) ((none)) 
  Oct 31 20:33:48 coppelius NetworkManager: <debug> [1225481628.134635] 
periodic_update(): Roamed from BSSID (none) ((none)) to 00:04:0E:73:0F:34 
(Silkes Parfum)

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