Re: Connecttion too unstable.

[Jirka Klimes <jklimes redhat com>]

On Monday 16 of August 2010 16:52:32 Antonio Carlos Ribeiro Nogueira wrote:
> Hi,
> I am trying to use a wireless network and I get connection ready very
> fast. But it disconnect in a few minutes. I am using Ubuntu 10.04
> 64bits. I have dual boot in my Laptop. If I boot by windows, I got the
> same connection very stable. Even I connect through my Tablet Nokia 810
> (Symbian S60), I got the same connection very stable too. I already
> tried to reinstall all the packages related with NetworkManager, but it
> doesn't work, the connection keeps unstable. What could you suggest to
> me? Thanks in advance and I beg your perdon for my poor English because
> my native language is the Brasilian Portuguese.
> 

How strong is your WiFi signal?
Could you post output of these commands:
$ nm-tool
$ iwlist wlan0 scan   (change wlan0 to your actual interface)

The logs from NetworkManager and wpa_supplicant  you can find in 
/var/log/daemon.log.

Jirka