We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 21492

7.1i XST - Incremental synthesis is broken (fatal error)


Keywords: XST, incremental, synthesis, fatal, error

For no known reason, XST now gives a fatal error on incremental designs that were once working in previous releases.


Currently, the only known fix is to not use the incremental synthesis option in XST.

This problem has been fixed in the latest 7.1i Service Pack available at:
The first service pack containing the fix is 7.1i Service Pack 3.
AR# 21492
Date Created 09/04/2007
Last Updated 01/07/2009
Status Archive
Type General Article