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AR# 18520

6.1i Timing Analyzer - Crashes when I change speed grade without exiting


General Description:

When I change the speed grade in Timing Analyzer, the following fatal error occurs:

"FATAL_ERROR:GuiUtilities:WinApp.c:657:$Revision - This application has discovered an exceptional condition from which it cannot recover. Process will terminate. To resolve this error, please consult the Answers Database and other online resources at http://support.xilinx.com. If you need futher assistance, please open a WebCase by clicking on the "WebCase" link at http://support.xilinx.com"

I click OK and receive the message:

"The instruction at "0x73dd1351" referenced memory at "0x00000004". The memory could not be "read"."

I then click OK to terminate the program. When is this going to be fixed?


This problem has been fixed in the latest 6.1i Service Pack available at:

The first service pack containing the fix is 6.1i Service Pack 3.

AR# 18520
Date Created 09/03/2007
Last Updated 01/18/2010
Status Archive
Type General Article