Copy the new file from the patch folder into the Xilinx directory.
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Before we dive into the details, you should know there are two ways to work around this error:
Run the script from the , not from inside the patch folder . vivado y2k22 patch install
./install_debug_token -i /path/to/your/downloaded/Vivado_Y2K22_Patch.zip
This patch applies directly to Vivado versions 2013.1 through 2021.2 . (Vivado 2022.1 and newer versions have this fix natively integrated).
Analogous to the Y2K bug, the Y2K22 issue stemmed from a string-to-integer conversion error within the Tcl interpreter used by Vivado. When parsing dates, the software incorrectly handled years beyond 2021, leading to an integer overflow. Symptoms included: Copy the new file from the patch folder
Run Vivado and note the exact version (e.g., 2019.1, 2020.2, 2021.2). Patch works for versions 2019.1 through 2021.2.
Comprehensive Guide: How to Install the Vivado Y2K22 Patch If you are running older versions of Xilinx Vivado, you have likely encountered a frustrating launch crash or export failure known widely in the engineering community as the "Y2K22 bug." This issue prevents the software from generating HLS (High-Level Synthesis) IP or exporting designs, completely halting development workflows.
Ensure are fully closed. On Windows, check Task Manager for processes like vivado.exe , xsct.exe , xilinx-d.exe . Share public link Before we dive into the
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
The patch includes a Python script ( patch.py ) that automatically updates the necessary Java archive ( .jar ) files inside your Xilinx installation directory. On Windows: Open or PowerShell as an Administrator. Navigate to your extracted patch directory: cd C:\temp\y2k22_patch Use code with caution.
Open the as an Administrator (Right-click -> Run as Administrator).