[Tinyos-devel] Re: [net2-wg] bug in LqiForwardingEngineP.nc

[Philip Levis]

On Dec 24, 2007, at 12:44 PM, Omprakash Gnawali wrote:

> I was looking through some lqi traces. Once in a while (in three
> experiments, 1.6%, 0.6%, and 0.5% of retransmission sequence), the
> number of transmissions was larger than the max retransmissions. It
> turns out fail_count can get reset two different ways - forwarding the
> pkts or while sending locally sent pkts. If such reset occurs during
> retransmissions, the number of retransmissions will be larger than the
> max retransmissions. Do people buy this?
>

This definitely looks like a bug. The 1.x MLQI didn't have two  
separate sends underneath, such that a local send could fail due to  
forwarding. So when I ported it I gave it two sends, but there is  
only one retx count.

Phil