Hello,

I am using the active message abstraction on top of the TKN154 with 
telosb motes.
I am basically testing the unslotted csma procedure, therefore I am 
using the protocol in a very simple scenario: non-beacon enabled mac, 
no-coordinator, indirect transmissions between devices (by broadcasting).

In this scenario, all nodes generate and broadcast data packets at 
certain rate (ranging from 10 pkts/sec up-to 50 pkts/sec).

The problem starts after some time, when some nodes are not able to send 
packets anymore (send fails with EBUSY).
It looks that after the last 'successful' AMSend.send , there was no 
AMSend.sendDone event.
I tried to restart the MAC using MLME_RESET.request, it returns 
SUCCESS,  but I never get the MLME_RESET.confirm.
Every time I run experiments, the number of nodes that fail is 
different, and even some times there are no failures at all.

I am using AMSenderC and AMReceiveC. When I switch to the normal MAC, 
everything works fine.

Any help?

Thanks

Eduardo
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