[Ns-bugs] [Bug 842] ns-3-dev crashes using block ack
code at nsnam.ece.gatech.edu
Wed Aug 4 03:15:14 PDT 2010
--- Comment #24 from Nicola Baldo <nbaldo at cttc.es> 2010-08-04 06:15:14 EDT ---
Mirko, Bruno, thank you very much for your effort in addressing the problem.
(In reply to comment #23)
> Now the failure happens:
> The state at the recipient has changed in the meantime. The MPDUs are forwarded
> up to MacTxMiddle and no longer in the buffer in MacLow. Thus the recipient
> re-requests these MPDUs. If one of these MPDUs is received and forwarded up the
> assertion is violated, since the simulation only transmits pointers to the
> instances of the packets and the LLC Header is already removed (during the
> first transmission).
It's not true that "the simulation only transmits pointers to the instances of
the packets", in fact YansWifiChannel always calls Packet::Copy() before
forwarding packets to the receivers. Does this change your interpretation of
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