Waiting For Lock in ModelSim

This can be caused when a simulation stops before it finishes.

How to Fix:

Navigate to your working directory under


locate any files called ‘_Lock’ and remove them – you may need to exit out of ModelSim to do so.


If you have any questions or problems, please contact the Mosaic Helpdesk by emailing mlc@uncc.edu or calling 704-687-5080.

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