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LogiCORE IP - X's are seen in ModelSim 6.6c functional or timing simulation
In ModelSim 6.6c, X's are seen in functional or timing simulation, and simulation fails to complete successfully.
There is a known issue in ModelSim 6.6c that is scheduled to be fixed in ModelSim 6.6e.
This issue can be worked around in ModelSim 6.6c in the following ways:
- When all the signals are dumped in the waveform (add list -r *)
- When all signals are logged by the simulator without displaying any extra signals in the waveform window (add log -r *)
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- 10 Gigabit Ethernet Media Access Controller