Ensure all Xilinx tools (Vivado, Vitis, ModelSim integrations) are completely closed. Step 1: Download the Official Patch
The (Answer Record 76960) is a critical update for AMD/Xilinx tools to resolve a "Revision Number Overflow" bug that began on January 1, 2022 . This overflow occurs because HLS (High-Level Synthesis) tools use a date-based versioning format ( YYMMDDHHMM ) which exceeded the limit of a 32-bit signed integer in the year 2022 . Patch Overview
Create a backup of the existing loader file by renaming it to loader.bak . vivado y2k22 patch install
AMD Xilinx provides a Python script named y2k22_patch.py that automates the deployment of updated Java archive ( .jar ) files. Step 1: Download the Patch Visit the official AMD Xilinx Support Portal. Locate Design Advisory . Download the y2k22_patch.zip archive to your local machine. Step 2: Extract the Files
If the process finishes successfully without throwing ERROR: [HLS 200-102] , your patch is correctly installed and active. Troubleshooting Common Errors Patch Overview Create a backup of the existing
In December 2021, a date-related logic bug (colloquially termed "Y2K22") was identified in Xilinx Vivado versions 2019.1 through 2021.1. The bug caused the software to crash or hang upon opening projects or generating IP when the system clock advanced past January 1, 2022. This paper details the root cause of the failure and provides a validated, step-by-step procedure for installing the official patch released by AMD/Xilinx.
Open the folder and locate the patch_run.bat file. Locate Design Advisory
After running the patch.py script, follow these steps to ensure the patch was applied correctly.
: After applying the patch, re-launch Vivado and verify that the patch has been successfully applied. This might involve checking the Vivado version or looking for a confirmation message.
ERROR: [IP_Flow 19-3805] Failed to generate and synthesize debug cores
The Y2K22 bug affected Vivado versions .