AR# 40493


13.x CORE Generator - Known Issues


This Answer Record contains a list of known issues involvingthe CORE Generatorsoftware in the 13.x ISE Design Suiterelease(s).

For IP-specific information, see the Xilinx IP Web page:


Outstanding Known Issues in ISE DesignSuite 13.4

(Xilinx Answer 20780) - CORE Generator - "ERROR:coreutil:195 - Could not create Java virtual machine"
(Xilinx Answer 21955) - An error occurred while running Java (possibly due to memory limitations)
(Xilinx Answer 24389) - The tab outlines of the IP views (View by function/name/Generated) are not visible on Windows XP 64-bit
(Xilinx Answer 32251) -"ERROR:coreutil:424" and "ERROR:sim:57" when using network drive
(Xilinx Answer 32320) - Issues can occur when generating/regenerating a MIG project with the same component name
(Xilinx Answer 32412) - Error message displays when customizing IP over Xwin32"X, " Error: BadWindow (invalid Window parameter) 3"
(Xilinx Answer 35374) - "WARNING:sim:541 - Could not import file 'my_core.xco' during projectmigration."
(Xilinx Answer 40559) - Project Navigator needs to be closed and re-opened before the user IP repository changes will be seen
(Xilinx Answer 40736) - Using "Create Netlist Wrapper with IO pads" option causes some cores not to generate
(Xilinx Answer 43131) - Schematic symbol for some cores are not created or created with undesired size
(Xilinx Answer 45357) - IP from a User Repository does not appear in the IP Catalog until CORE Generator is closed and re-opened
(Xilinx Answer 45359) - Import XCO fails if the project, and XCO device family do not match
(Xilinx Answer 45386) - IP Cores fail to generate when the project is accessed through a symbolic link
(Xilinx Answer 45457) - CORE Generator does not inform user that a Padded Netlist will not be created for source code core
(Xilinx Answer 45458) - Resetting MIG IP core in PlanAhead deletes all of the MIG core files
(Xilinx Answer 45485) - Setting both Verilog and VHDL output languages to "false" results in cryptic error
(Xilinx Answer 45846) - Selecting the same device in Project Options generates a benign warning
(Xilinx Answer 45849) - Upgrading MIG core to latest version does not work
(Xilinx Answer 45851) - Error not flagged for FIR v6.2 when coefficient is not negative-symetric
(Xilinx Answer 45864) - Padded netlist generation fails for Multgen and Ethernet_Statistics cores

Known Issues resolved in ISE DesignSuite 13.2

(Xilinx Answer 32396) - Generating a core through Project Navigator causes example VHDL simulation files to be overwritten
(Xilinx Answer 32486) - Help contains outdated information on how to obtain a Full IP license
(Xilinx Answer 36680) - Entering invalid parameters in IBERT core results in cryptic error message
(Xilinx Answer 40130) - "Upgrade and regenerate" process requires two steps for some cores
(Xilinx Answer 40465) - Making repository changes with Manage IP Catalog can result in a fatal error if there is a project open in the CORE Generator tool
(Xilinx Answer 40467) - A fatal error is issued if an IP repository is added that affects cores in an open project
(Xilinx Answer 40476) - Cannot open a Spartan-3A project that has a generated DCM_SP Clocking Wizard core
(Xilinx Answer 40491) - CORE Generator cannot open a project with Virtex-6 PCIe Block if block location set to X0Y0&X0Y1
(Xilinx Answer 41999) - CORE Generator fails to open if opened using the "wincoregen.exe" or "_wincg.exe"

Known Issues resolved in ISE DesignSuite 13.3

(Xilinx Answer 45407) - AXI bus shown with multiple "data" fields in customization GUI
(Xilinx Answer 45408) - Color Correction and Color-Space cores incorrectly shown for Virtex-6 project

Known Issues resolved in ISE DesignSuite 13.4

(Xilinx Answer 38170) - Spartan-3 Single DCM Clockingcore does not associate with the correct architecture
(Xilinx Answer 40475) - IP core customization GUIs are slow to open through the PlanAhead tool
(Xilinx Answer 45850) - "Customize the IP and Generate the selected output products" omits simulation models for FIFO v6.0

Linked Answer Records

Child Answer Records

Answer Number Answer Title Version Found Version Resolved
32396 13.1 CORE Generator - Generating a core through Project Navigator causes VHDL example files to be overwritten N/A N/A
AR# 40493
Date 05/22/2012
Status Archive
Type Known Issues
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