Fortunately, AMD Xilinx released a tactical patch to resolve this issue. This article provides an in-depth look at why this bug happens and a step-by-step guide on how to successfully install the Vivado Y2K22 patch on both Windows and Linux systems. Understanding the Vivado Y2K22 Bug
Old, unpatched data may remain cached in your project folders. If IP generation still fails after patching: Open your Vivado project. Navigate to > IP > Repository .
If you encounter libpython errors on Linux, you may need to install libpython3.8-dev and export the library path from your Vivado installation's internal Python directory: export LD_LIBRARY_PATH=$PWD/Vivado/ /tps/lnx64/python-3.8.3/lib/
Run the script from the , not from inside the patch folder . vivado y2k22 patch install
: Obtain the y2k22_patch-1.2.zip from the official AMD-Xilinx Support Article.
(Replace with your specific Vivado version, such as 2020.2 )
For versions 2019.x and later, you can typically use the Python bundled within the Xilinx installation directory. Fortunately, AMD Xilinx released a tactical patch to
(Replace C:\Xilinx with your actual path) .
This manual approach is a last resort and not recommended unless the official script fails.
If you are experiencing issues after applying the patch, it is recommended to ensure you have the latest drivers for your operating system and check the Vivado log files. If IP generation still fails after patching: Open
: For newer versions like 2021.2, you may need to point to the internal Python library before running the script:
ls -la <vivado_path>/data/rdi/scripts/rdiCore.tcl # Should show recent patch date
On January 1, 2022, FPGA engineers worldwide woke up to find they could no longer export their designs. The issue stemmed from how tools (Vivado HLS and Vitis HLS) generated IP revision numbers.
) that exceeded the capacity of a 32-bit signed integer, leading to a "Revision Number Overflow". 🛠️ The Fix: y2k22_patch-1.2