General Description: A case has been seen where a design fails during placement in the Active Module mode with the errors:
ERROR:Place:982 - Partially placed macro containing slice vramct1/addr1/un7_rRowA_s_1 could not be placed. Please either fix the constraints on this macro or remove them. ERROR:Place:982 - Partially placed macro containing slice vramct1/addr1/un1_wColA_s_4 could not be placed. Please either fix the constraints on this macro or remove them.
This problem is being caused by a problem in the Virtex placer Edge/pseudo logic elements, with their location constraints, are also being looked into by the range-constraint handler in the analytical-placer. It should just ignore it since these elements are handled by the IO placer and not the analytical placement part.
This problem will occur whenever a module boundary is at the chip edge and there is significant pseudo-logic requirement.
Solution
This problem will be fixed in the first quarterly update to 3.1i currently scheduled for August, 2000.
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AR# 9367
Date
08/19/2002
Status
Archive
Type
General Article
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