My design fails during Placement Phase 11.27 with the following error.
Phase 11.27
"INTERNAL_ERROR:Place:basplbscore.c:507:1.46 - attempting to provisionally place multiplecomps in the same site."
Is this a known problem?
This problem has been fixed in the latest 10.1 Service Pack available at:
http://www.xilinx.com/support/download/
The first service pack containing the fix is 10.1 Service Pack 3.