[Fwd: re: ath0 lost connection]

Eric Anderson anderson at centtech.com
Mon Dec 1 19:52:47 PST 2003


Marcos Biscaysaqu wrote:

> After this I loss the connection and I have to restart the box:
> this is getting worse :( 

I haven't seen the debug mode kill my box, but anything can happen on 
-current :)

> ath_start: encapsulation failure
> ath_rate_ctl: 5M -> 2M (0 ok, 1 err, 1 retr) 

These ^^^^^^^^^^^^^^^^^^^^^^ are what I am talking about - I think when 
the signal is low or the connection is lossy (dropping packets or 
something) it auto drops the rate to a lower number (as it should) - and 
this is when you are  seeing the delays, dropped packets, whatever.  If 
you set the rate to a static number (say, 2M), then possibly it won't 
attempt any changes, and you can at least know what is causing the 
packet loss.

[..snip..]

> ath_rate_ctl: 5M -> 11M (10 ok, 0 err, 0 retr) 

Now the signal got better, so it bumped it up to 11M..

> ath_start: encapsulation failure 

I have no idea what that is trying to tell you .. (besides the obvious)

> ath_rate_ctl: 2M -> 1M (0 ok, 1 err, 1 retr) 

If you are down to 1M, I think you may need to check signal strength and 
such.  I'd start with my testing near the AP (in sight of it at least). 

Eric


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Eric Anderson	   Systems Administrator      Centaur Technology
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