Known Issues Resolved in v1.8 rev1
Download Rev1 Update (Included in the Xilinx ISE 14.1 and later software)
The Rev1 update is included in the Xilinx ISE 14.1 and later software, users only need to download it if using Xilinx ISE 13.x. If using Xilinx ISE 13.x to get the Rev1 update to resolve the issue described above, apply the following patch to the Xilinx ISE 13.x software installation:
Install the patch by extracting the contents of the ".zip" archive to the root directory of the Xilinx ISE 13.x software installation. Select the option that allows the extractor to overwrite all of the existing files and maintain the directory structure predefined in the archive.
After installing the patch, regenerate the Virtex-5 FPGA Embedded Tri-mode Ethernet MAC Wrapper v1.8 in the 13.x CORE Generator tool.For further information on finding the Xilinx installation and using environment variables, see (Xilinx Answer 11630).
NOTE: You might need system administrator privileges to install the patch if you do not have write permissions to the Xilinxinstallation directory.