Ensure the extraction does not create a double folder layer (e.g., avoid C:\Xilinx\y2k22_patch-1.2\y2k22_patch ) . 3. Execution
If you encounter library errors on Linux, you may need to install libpython3.8-dev or set your LD_LIBRARY_PATH Common Issues and Fixes "Launch HLS Failed" even after patching: This often happens on Linux if your Timezone (TZ)
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The Y2K22 bug is caused by a date format parsing error within the Xilinx toolchain. Why the Error Occurs vivado y2k22 patch install
: You only need to run the script once per base directory; it applies to all versions found therein. If you later install a minor update (e.g., moving from 2021.1 to 2021.1.1), you do need to re-apply it. terminal commands for a Linux environment or a link to the exact download page
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
What and Vivado version are you currently running? Ensure the extraction does not create a double
. Without this patch, High-Level Synthesis (HLS) tools fail to export IP because the date-based version number (YYMMDDHHMM) exceeds the limit of a 32-bit signed integer, causing an overflow error. Quick Installation Guide
In 2021, a date like December 31 ( 2112312359 ) fit into a standard 32-bit signed integer (maximum value: 2,147,483,647).
are unaffected, as Xilinx integrated the fix into the base installer. If you are using Vivado 2018.x or older, you are generally unaffected by this specific bug, but you may face other date-related issues. This link or copies made by others cannot be deleted
install_debug_token.bat -i "C:\path\to\your\downloaded\Vivado_Y2K22_Patch.zip"
(Replace with your specific Vivado version number, such as 2020.2 ). Open a terminal window. Navigate to your extracted patch directory: cd /tmp/y2k22_patch Use code with caution. Execute the script using Vivado's internal Python engine:
: The patch includes a Python-based script ( y2k22_patch-1.2.zip ) that automatically inserts a custom Tcl file into the necessary installation directories to bypass the overflow.