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AR# 68111

DMA Subsystem for PCI Express (Vivado 2016.3) - Tactical Patch



Version Found: v3.0 (Vivado 2016.3)

Version Resolved and other Known Issues: (Xilinx Answer 65443)

The tactical patch provided with this Answer Record addresses the following issues:


  1. Issue with A-symmetric H2C and C2H channel selection.
  2. Continuous transfer of bigger packets in Gen3x16.
  3. Extended Tags (256) for UltraScale+


Note: Tactical patch for UltraScale+ PCI Express Integrated Block in (Xilinx Answer 68112) must also be installed along with this patch

This article is part of the PCI Express Solution Centre

(Xilinx Answer 34536) Xilinx Solution Center for PCI Express


These issues will be fixed in the next release of the core. Please install the patch in Vivado 2016.3 as described below:


  1. Navigate to the $XILINX_VIVADO/patches directory (create this directory if it does not exist)
  2. Extract the contents of the ".zip" archive to a directory starting with the name AR68111
    Note: most extraction tools will allow you to automatically create a directory with the same name as the zip file
  3. Run Vivado software tools from the original install location.



  1. Create a separate directory for the patched files
  2. Extract the contents of the ".zip" archive to the desired patch directory location
  3. Set the MYVIVADO environment variable to point to the Vivado directory under this patch directory
    For example:
    set MYVIVADO=C:\MYVIVADO\vivado-patch-AR68111\vivado\
  4. Run Vivado software tools from the original install location.


Revision History:

10/30/2016 - Initial Release


Associated Attachments

Name File Size File Type
68111_Vivado_2016_3_preliminary_rev2.zip 1 MB ZIP
AR# 68111
Date 11/07/2016
Status Active
Type Known Issues
  • DMA for PCI Express (PCIe) Subsystem
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