[Click] temporary stops with NotifierQueue and ToDevice

[Bart Braem]

On 19 Dec 2008, at 16:44, Øivind Kure wrote:

> I run click  1.5 in a measurement configuration in user space.  
> Copies of packets are captured with FromDevice, queued, shaped with  
> RatedUnqueued, processed through some of my own elements, handed  
> over to the ArpQuerier, then queued and sent to ToDevice  bounded to  
> the second interface. If I use NotifierQueue the setup works fine if  
> the traffic level is around 1.6 Mbit/sec. However, if the traffic  
> level is lowered to the 200 Kbit/sec range, the ToDevice element  
> repeats a roughly 20 second on and 20 second off period. The queue  
> element before the ToDevice fills up and drops packets. If I change  
> the queuing element to SimpleQueue, the problem disappears.
> The actual problem is therefore solved, but I would have liked to  
> know why there is a problem with NotifierQueue. The underlying  
> assumption is that I have missed something  important.


You should upgrade to Click 1.6, errors were reported that show  
similar behaviour. If that does not work, try upgrading to the git  
release. It is quite stable and will almost certainly fix your problem.

Regards,
Bart Braem
-- 
Bart Braem
PATS research group - IBBT
Dept. of Mathematics and Computer Sciences
University of Antwerp
Campus Middelheim, G3.30
Middelheimlaan 1
B-2020 Antwerpen, Belgium
Phone: +32 (0)3 265.32.91
Fax: +32 (0)3 265.37.77
Web: www.pats.ua.ac.be