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AR# 35351

11.5 EDK - XPS hangs when there's no correct permission to access xflow.opt file

Description

I create a new EDK BSB design.

Synthesis runs with no issues, but the implementation hangs without an error message.

Below is the message in the XPS console:

xflow -wd implementation -p xc3s400aft256-4 -implement xflow.opt -ise ../__xps/ise/system.ise system.ngc
Release 11.5 - Xflow L.70 (nt)
Copyright (c) 1995-2009 Xilinx, Inc.  All rights reserved.
xflow.exe -wd implementation -p xc3s400aft256-4 -implement xflow.opt -ise
../__xps/ise/system.ise system.ngc 
PMSPEC -- Overriding Xilinx file <C:/Xilinx/11.1/EDK/spartan3/data/spartan3.acd>
with local file <c:/Xilinx/11.1/ISE/spartan3/data/spartan3.acd>
.... Copying flowfile c:/Xilinx/11.1/ISE/xilinx/data/fpga.flw into working
directory C:/MyData/DESIGNS/Spar3A_eval400/TestEDK115/implementation


Using Flow File:
C:/MyData/DESIGNS/Spar3A_eval400/TestEDK115/implementation/fpga.flw
Using Option File(s):
 C:/MyData/DESIGNS/Spar3A_eval400/TestEDK115/implementation/xflow.opt

Solution

The permission problems are caused by having non-administrative permissions on your machine, or a modified security policy that conflicts with Cygwin.

To work around this issue, add the Environment Variable CYGWIN=nontsec as follows:

1. Right-click the My Computer icon and select Properties.
2. Select the Advanced tab.
3. Select the Environment Variables button.
4. Under System variables, select the New button.
5. For the variable name, enter CYGWIN.
6. For the variable value, enter "nontsec".
7. Select the OK button three times.
8. If XPS was open, restart XPS so that it will recognize the new environment variable.

Linked Answer Records

Associated Answer Records

AR# 35351
Date Created 04/22/2010
Last Updated 07/07/2014
Status Active
Type General Article
Devices
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