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[Koen Mercken <373680@xxxxxxxxxxxxxxxxxx>]

This is still not fixed in 14.04!

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https://bugs.launchpad.net/bugs/373680

Title:
  network-manager fails periodically , on backgound networks scan?

Status in NetworkManager:
  Fix Released
Status in network-manager package in Ubuntu:
  Fix Released
Status in network-manager source package in Lucid:
  Triaged
Status in network-manager source package in Maverick:
  Fix Released
Status in network-manager package in Fedora:
  Invalid

Bug description:
  Binary package hint: network-manager

  1) The release
  Ubuntu version:    Ubuntu 9.04   Jaunty  Release:	9.04   64 BITS 

  2) The version of the package you are using
  Package affected :   network-manager  0.7.1~rc4.1.cf199a964-0ubuntu2

  
  3) What you expected to happen
   Estable connection.
   If I kill NetworkManager and connect manually to the network using iwconfig , the problem dissapear.

  4)What happened instead

  Frecuently signal gets interrupted, but not complety disconnected.  
  I guess it is related with the background network scanning but not sure.  I can notice while copying files on local network, watchins streaming movies or with the ping command.  
  Approximatly each 90-120 seconds ,  a 5-8 seconds lag is generated.

  
   -->  Hardware : 
  Dell Wireless card 1515 
  Atheros  AR928X chipset  

    #lspci  | grep Atheros
     06:00.0 Network controller: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) (rev 01)

  -->  Drivers :   
  Im not sure.   Clean Ubuntu 9.04  installation  detected my card,  but could not connect to networks until I installed  linux-backports-modules-jaunty-generic  .

    #$ lsmod | grep ath9k
     ath9k                 311092  0 
     lbm_cw_mac80211       259000  1 ath9k
     led_class              13064  1 ath9k
     lbm_cw_cfg80211        85048  2 ath9k,lbm_cw_mac80211


  More information:
  ---------------------------------------------------

  ->>If I kill NetworkManager and connect manually to the network using
  iwconfig , THE PROBLEM DISAPPEAR.

  #ping 192.168.0.1   ( my gateway )
  64 bytes from 192.168.0.1: icmp_seq=12 ttl=64 time=1.75 ms
  64 bytes from 192.168.0.1: icmp_seq=13 ttl=64 time=1.82 ms
  64 bytes from 192.168.0.1: icmp_seq=14 ttl=64 time=1.46 ms
  64 bytes from 192.168.0.1: icmp_seq=15 ttl=64 time=1.60 ms
  64 bytes from 192.168.0.1: icmp_seq=16 ttl=64 time=6802 ms  **Here it is the problem
  64 bytes from 192.168.0.1: icmp_seq=17 ttl=64 time=5803 ms
  64 bytes from 192.168.0.1: icmp_seq=18 ttl=64 time=4803 ms
  64 bytes from 192.168.0.1: icmp_seq=19 ttl=64 time=3803 ms
  64 bytes from 192.168.0.1: icmp_seq=20 ttl=64 time=2803 ms
  64 bytes from 192.168.0.1: icmp_seq=21 ttl=64 time=1803 ms
  64 bytes from 192.168.0.1: icmp_seq=22 ttl=64 time=803 ms
  64 bytes from 192.168.0.1: icmp_seq=23 ttl=64 time=1.72 ms
  64 bytes from 192.168.0.1: icmp_seq=24 ttl=64 time=1.69 ms
  64 bytes from 192.168.0.1: icmp_seq=25 ttl=64 time=1.72 ms **  Everything keep normal, but afther 90-120 seconds, the 8 seconds lag happens again, and always like that. 

  
  #tail -n0 -f /var/log/syslog

  NetworkManager: <debug> [1241785845.002524] periodic_update(): Roamed from BSSID 00:80:5A:4B:89:43 (rosquilla) to (none) ((none)) 
  May  8 14:30:46 xps kernel: [ 2896.176696] wlan0: beacon loss from AP ffff88015e8cfac0 - sending probe request
  May  8 14:30:51 xps NetworkManager: <debug> [1241785851.001653] periodic_update(): Roamed from BSSID (none) ((none)) to 00:80:5A:4B:89:43 (rosquilla) 
  May  8 14:32:45 xps NetworkManager: <debug> [1241785965.004390] periodic_update(): Roamed from BSSID 00:80:5A:4B:89:43 (rosquilla) to (none) ((none)) 
  May  8 14:32:46 xps kernel: [ 3016.169028] wlan0: beacon loss from AP ffff88015e8cfac0 - sending probe request
  May  8 14:32:51 xps NetworkManager: <debug> [1241785971.001949] periodic_update(): Roamed from BSSID (none) ((none)) to 00:80:5A:4B:89:43 (rosquilla) 

  
  * Note :  The delay with the ping command  and the syslog events  happen at same time.

  If i can add any adicional info please tell me what commands to writte
  or a link with some help and i will post it.

  
  (Is my first bug report, if im forgetting to add something or not reporting  properly please tell me )

  Thanks in advanced.

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