Xilinx Vivado 20202 Fixed Extra Quality Jun 2026
The several HLS-specific issues:
The 2020.2 version introduced several fundamental changes to the Xilinx ecosystem:
Before 2020.2.2, the 2020.2.1 update provided initial fixes, ensuring that the transition from Vivado HLS to Vitis HLS was smoother.
| Issue Category | Description | Solution | | :--- | :--- | :--- | | | Critical mismatch bug causing functional errors in synthesized logic. | Fix included in 2020.2.2 | | IP Generation | Failure to include specific LUTRAM ROMs in designs. | Fix included in 2020.2 or via IP re-generation | | Installation | Web installer saying “Obsolete” for 2020.2. | Use Full Installer (SFD) not the web installer | | Project Hang | Stuck at "Translating synthesized netlist" due to .ngc file. | Remove any .ngc files in the design and replace with .edf | | hw_server | Labtools 27-2223 connection error to target hardware. | Run the 64-bit hw_server executable as administrator | | Non-Project Mode | Export of encrypted netlists fails ("Design is empty"). | Upgrade to 2020.2.2 or downgrade to 2020.1 | | Migration (ISE to Vivado) | IP cores “forgotten” after first synthesis, leading to black-box errors. | Clean project files and ensure absolute paths for all source files | | SMPTE UHD-SDI RX | Version 2.0 (Rev. 6) has issues with Board Version errors. | Apply the patch described in Xilinx Answer 75932 | xilinx vivado 20202 fixed
export LD_LIBRARY_PATH=$PWD/Vivado/2020.2/tps/lnx64/python-3.8.3/lib/ Use code with caution.
Which were you seeing (Y2K22, missing libs, or crash)?
, specifically fixing cases where the installer GUI failed to resume downloads or incorrectly required an email address in the User ID field. Design and IP Fixes The several HLS-specific issues: The 2020
Xilinx recommends applying the 2020.2.1 (Update 1) patch to resolve several issues, particularly those related to device support and IP.
Reduced "segmentation fault" errors during implementation. 💡 Pro-Tip Before installing, make sure to: Clear your cache in ~/.Xilinx . Update your LD_LIBRARY_PATH to point to the new fixes.
If the official fixes don't work, the open-source community has reverse-engineered solutions. | Fix included in 2020
In Vivado 2020.2, the and the underlying static timing analysis (STA) engine received a significant update. The release notes explicitly addressed:
: Issues from 2020.1 where the installer required an email address in the User ID field or failed to resume downloads were resolved in the 2020.2 release. 3. IP-Specific Bug Fixes
Vivado 2020.2 marked a significant evolution in Xilinx's toolset. While it is a major release with many critical bug fixes for synthesis and IP integration, it is not without its quirks. Successfully using this version depends on following a few essential practices: