AR# 16256

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6.1i XST - "INFO:Xst:1799 - State 10000000000 is never reached in FSM <STATE>"

Description

Keywords: finite, machine, reachable

Urgency: Standard

General Description:
XST reports the following message:

"INFO:Xst:1799 - State 10000000000 is never reached in FSM <STATE>."

To which state is XST referring?

Solution

The states are not being displayed correctly. Instead of displaying user-symbolic names, XST is showing the binary value after FSM re-encoding.

This problem has been fixed in the latest 6.1i Service Pack, available at:
http://support.xilinx.com/support/techsup/sw_updates
The first service pack containing the fix is 6.1i Service Pack 1.
AR# 16256
Date 03/05/2006
Status Archive
Type General Article
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