Once the script finishes, you can close the terminal. The patch has now been applied to your Vivado or Vitis HLS installation.
What specific (e.g., 2019.2, 2020.1) is throwing the error? Are you getting a specific error code in the Tcl console? Share public link
Use the unzip command to extract the patch directly into your Xilinx installation root directory (e.g., /opt/Xilinx ).
The bug affects a wide range of Vivado and Vitis HLS versions, including but not limited to: vivado y2k22 patch install
Identify your Xilinx installation directory (e.g., C:\Xilinx ).
Vivado sometimes caches older project states. Clear your local project directory caches by deleting the .Xil_backup or _x directories inside your project folder. Run a Test Export: Open Vivado and load an HLS project. Run the C Synthesis phase. Click Export RTL .
The good news is that Xilinx released a specific patch ( y2k22_patch-1.2 ) to resolve this. This guide will walk you through understanding, downloading, and installing the on both Windows and Linux systems. What is the Vivado Y2K22 Patch? Once the script finishes, you can close the terminal
For Linux users, the process is very similar, using the terminal.
The deployment script requires Python (version 3.x is highly recommended, though some legacy scripts support Python 2.7).
If you applied the patch but still experience failures, check your environmental variables. Ensure XILINX_VIVADO points correctly to the patched directory and that no stale data remains in your project's local cache directories. Clearing the project IP cache ( Tools > Clear Cache ) often fixes residual issues. To help narrow down any remaining issues, tell me: Are you getting a specific error code in the Tcl console
Run Vivado and note the exact version (e.g., 2019.1, 2020.2, 2021.2). Patch works for versions 2019.1 through 2021.2.
Run the script using your system or Xilinx Python environment with superuser privileges: sudo python3 patch.py Use code with caution.
Before applying the patch, ensure your system meets the following conditions:
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