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AR# 32288

11 CORE Generator - Known Issues for CORE Generator 11


This Answer Record contains a list of known issues involving the CORE Generator interface in the 11.1 ISE software release and 11.x ISE software updates.  

For IP specific information, see the Xilinx ISE Design Suite: Intellectual Property Web page: 



Outstanding Known Issues in ISE design tools 11.4 

(Xilinx Answer 20780) - CORE Generator - "ERROR:coreutil:195 - Could not create Java virtual machine" 

(Xilinx Answer 21955) - An error occurred while running Java. This might be due to memory limitations 

(Xilinx Answer 23688) - Core Customization GUI does not open on Linux when the project directory is in "$Xilinx"  

(Xilinx Answer 24113) - Linear Feedback Shift Register GUI opens as a blank window with some window resolutions 

(Xilinx Answer 24389) - Tab outlines of the IP views (View by function/name/Generated) are not visible on Windows XP64 

(Xilinx Answer 30928) - CORE Generator software is unable to get Resource Utilization Information of PCI Express Core  

(Xilinx Answer 32251) - CORE Generation software fails when the project is using a UNC path to point to a network location  

(Xilinx Answer 32320) - Issues can occur when generating/regenerating a MIG project with the same component name 

(Xilinx Answer 32396) - Generating a core through Project Navigator causes example VHDL simulation files to be overwritten 

(Xilinx Answer 32409) - Selecting the View Resource Utilization option, after deleting IP CORE netlist, fails without message 

(Xilinx Answer 32410) - A project file is not created when Japanese characters are used for the project name  

(Xilinx Answer 32412) - Error message displays when customizing IP over Xwin32"X, " Error: BadWindow (invalid Window parameter) 3"  

(Xilinx Answer 32486) - CORE Generator software help contains outdated information on how to obtain a Full IP license 

(Xilinx Answer 33036) - The full path to "Recent Projects" is not shown in expected location  

(Xilinx Answer 33665) - The xc6slx45t -3 speed grade for the PCIe core generation can not be selected 

(Xilinx Answer 33933) - Generating an IBERT IP core results in "wincg.exe has encountered a problem and needs to close" error message  


Issues fixed in ISE software update 11.2 

(Xilinx Answer 22601) - Fragmented or incomplete error messages are displayed in the CORE Generator interface console window  

(Xilinx Answer 29439) - Core generation fails for licensed cores if the combined path for all license exceeds 8k characters 

(Xilinx Answer 32340) - Regenerating an Image Pipe Video IP Core fails to update the netlist when the parameters or license are changed 

(Xilinx Answer 32406) - IP GUI "Answer Records for the Core" link has invalid URL for older IP cores 

(Xilinx Answer 32418) - Canceling the "Upgrade and Regenerate Project IP" in mid process can cause core inconsistencies 

(Xilinx Answer 32467) - An invalid XCO parameter causes Command Line "Upgrade and Regenerate" process to fail 

(Xilinx Answer 32473) - Canceling the generation of a recustomized IP might leave non-existent IP in the project IP list 

(Xilinx Answer 32480) - Canceling Core Customization leaves core "Actions" inactive 

(Xilinx Answer 32484) - Message in Information pane gets duplicated when opening and closing dialogs  

(Xilinx Answer 32485) - Changing project settings in Polling Mode may cause segmentation fault 

(Xilinx Answer 32595) - An Eval license is used instead of a Full license for IP core if the Eval license is found first 


Issues fixed in ISE software update 11.3 

(Xilinx Answer 30542) - Incorrect VHO file created for Reed/Solomon Decoder when no license is found  

(Xilinx Answer 32407) - EncryptedWriter API is unavailable  

(Xilinx Answer 32408) - CORE Generator software allows unlicensed user to open a licensed IP core customization GUI 

(Xilinx Answer 32824) - Error occurs when I attempt to generate some IP on Windows Chinese, Japanese, and Korean 

(Xilinx Answer 33073) - Error occurs when I attempt to generate with an unsupported character set 


Issues fixed in ISE software update 11.4 

(Xilinx Answer 32459) - Running "Upgrade and Regenerate" process fails on NT64

AR# 32288
Date 05/18/2015
Status Archive
Type Known Issues
  • ISE Design Suite - 11.1
  • ISE Design Suite - 11.2
  • ISE Design Suite - 11.3
  • More
  • ISE Design Suite - 11.4
  • ISE Design Suite - 11.5
  • Less
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