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M1.3 Map - FATAL ERROR:x4kma:x4kmacarry.c:681:1.96.10.4 - COUTO...

Record #3392

Product Family:  Software

Product Line:  Merged Core

Problem Title:
M1.3 Map - FATAL ERROR:x4kma:x4kmacarry.c:681:1.96.10.4 - COUTO...


Problem Description:
If M1.3 map is run with the -u option (don't remove unused
logic) it may fail with the following error:

FATAL_ERROR:x4kma:x4kmacarry.c:681:1.96.10.4 - COUT0 signal still exists after m
apping on carry CLB: nlmsgc1_un33$c1_2$$cy4.  Process will terminate.
Please call Xilinx support.




Solution 1:

In the design manager, select Design -> Implement...

Select 'Options' ->Implementation-'Edit Template' -> Optimize & Map option tab,


turn ON (select) 'Trim Unconnected Signals'.
This should resolve the error.




End of Record #3392

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