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AR# 64637

14.7 Sysgen - The generated HDL netlist fails in Synthesis with ERROR : Xst - bad allocationFATAL_ERROR : Xst:Portability/export/Port_Main.h:159:1.18


After I generate a HDL Netlist from Sysgen and run Synthesis in ISE, I receive the errors in the following screen capture:

How can I resolve this issue?


This problem occurs if the XCF file contains LOC constraints.

You can resolve this problem by removing the XCF file.

All of the constraints are defined in the UCF file, so the XCF file is not required.

AR# 64637
Date Created 05/21/2015
Last Updated 05/27/2015
Status Active
Type General Article
  • System Generator for DSP