Thanks for your help. With the following command i get the same resaults than you.
$ while : ; do iwconfig ath0|grep 'Freq' ;sleep 1; done Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx ###but shudenly.... and at same time than the lag spikes : Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:5.26 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:5.5 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:5.58 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:5.68 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:5.785 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.442 GHz Access Point: xx:xx:xx:xx:xx:xx I hope this info can help. Have any one tryed if using iwconfig instead of network manager whould make the network works properly? it is working for me as a temporal workarround, i dont get lag spikes on this way. -- network-manager fails periodically , on backgound networks scan? https://bugs.launchpad.net/bugs/373680 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs