I would look for a logic-level bug.
What results do you get from the send?
SUCCESS? EBUSY? EFAIL?
Are there any guards?
If so, how and where?

HTH,
Paul

On Tue, Jul 29, 2008 at 4:40 AM, weiping SONG <[EMAIL PROTECTED]> wrote:
> weiping SONG wrote:
>> Hi all,
>>
>> I uploaded an application to nodes, which is to make each node
>> send/recieve normal messages with a special AM id, and there is a
>> component can send/receive message wtih another Am id for managing nodes.
>>
>> But I found nodes can  recieve managing messages once in a while and
>> they can not receive  messages any more if they send a managing
>> messages. I don't know why, could you give some advice?
>>
>> Regards,
>>
>> Weiping
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>>
>>
> I have also found that the rxFrameLength = 0 after I sending the
> managing packets and receiving  next packets, so all packets can not
> send to upper components.
>
>
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