DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain - DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hello, I am trying to use my DE0-Nano board with Quartus version Lite 19.1.0 (Debian 10) and my_first_fpga example, but I cannot achieve to successfully program the FPGA. Quartus correctly detects the on-board USB-Blaster: but after clicking the Start button, it results in Failed progress. The LOAD LED D4 remains turned on for the whole process. The only errors I see from the console are: Error (209040): Can't access JTAG chain Error (209012): Operation failed Also, quartus_pgm correctly detects the USB-Blaster: :~$ quartus_pgm -l Info: ******************************************************************* Info: Running Quartus Prime Programmer Info: Version 19.1.0 Build 670 09/22/2019 SJ Lite Edition Info: Copyright (C) 2019 Intel Corporation. All rights reserved. Info: Your use of Intel Corporation's design tools, logic functions Info: and other software and tools, and any partner logic Info: functions, and any output files from any of the foregoing Info: (including device programming or simulation files), and any Info: associated documentation or information are expressly subject Info: to the terms and conditions of the Intel Program License Info: Subscription Agreement, the Intel Quartus Prime License Agreement, Info: the Intel FPGA IP License Agreement, or other applicable license Info: agreement, including, without limitation, that your use is for Info: the sole purpose of programming logic devices manufactured by Info: Intel and sold by Intel or its authorized distributors. Please Info: refer to the applicable agreement for further details, at Info: https://fpgasoftware.intel.com/eula. Info: Processing started: Sun Mar 21 14:04:28 2021 Info: Command: quartus_pgm -l 1) USB-Blaster [1-10] Info: Quartus Prime Programmer was successful. 0 errors, 0 warnings Info: Peak virtual memory: 429 megabytes Info: Processing ended: Sun Mar 21 14:04:28 2021 Info: Elapsed time: 00:00:00 Info: Total CPU time (on all processors): 00:00:00 :~$ The udev rules are correctly setup: SUBSYSTEMS=="usb", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6001", MODE="0666", GROUP="plugdev", SYMLINK+="usbblaster" but no way. I had a similar problem a few years ago but was due to incorrect settings of environment variable PATH. Now I don't know how to proceed. The board has not been touched since a few years. It has rested in its case and anti-static bag all this time. Is there any other test I can do to investigate the problem ? Any hint ? Thanks. Simon Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hi, The reason it is not working is due to the USB setup is not setup correctly where the blaster is not working previously. Once the setup is correct then if there is any issue where the Quartus error mention that it is not able to detect any device then we can use that features. Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hello @JohnT_Intel , If you mean the Quartus JTAG chain test tool, it did not work, of course, without error reporting. After applying the changes in the solution, the JTAG is successfully detected every time. Simon Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hi, I am not sure if this is due to the OS setup issue. We do have a debug tools where it is possible to debug JTAG chain issue. Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hello @JohnT_Intel , I did not reinstall any Linux driver. I experienced this issue with both 19.1 and 20.1 Quartus version. If can be useful, I strongly suggest to increase verbose console debugging for this kind of issue, since it's easier to track the problem. Regards, Simon Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hi, May I know if the issue is resolved after you reinstall the driver? Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain The problem seems to be caused by a SW issue.. Following the suggestion posted here https://electronics.stackexchange.com/questions/239882/altera-cyclone-ii-jtag-after-as-programming I installed libudev:i386: $ sudo apt-get install libudev1:i386 $ sudo ln -sf /lib/x86_64-linux-gnu/libudev.so.1 /lib/x86_64-linux-gnu/libudev.so.0 Then, after pluggin the board: $ sudo killall jtagd $ jtagd --user-start $ jtagconfig 1) USB-Blaster [1-10] 020F30DD 10CL025(Y|Z)/EP3C25/EP4CE22 The above script can be placed the bin directory of installation, for example /opt/intelFPGA_lite/20.1/quartus/bin/usbblaster.sh (yes, I switched to 20.1 version): #!/bin/sh /usr/bin/killall jtagd /opt/intelFPGA_lite/20.1/quartus/bin/jtagd --user-start and udev rules set as follows: SUBSYSTEMS=="usb", ACTION=="add", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6001", MODE="0666", GROUP="plugdev", SYMLINK+="usbblaster", RUN+="/opt/intelFPGA_lite/20.1/quartus/bin/usbblaster.sh" Works like a charm. Simon Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hello @JohnT_Intel , nSTATUS and nCONFIG are always high (3V3). I don't have access to CONF_DONE pin due to the fact that I don't have any via on it, and I don't know if this pin is accessible elsewhere because the schematics provided by the CD-ROM is incomplete (i.e. USB-Blaster with FTDI chip is not figured). Could it be some SW driver issue ? Simon Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hi, May I know have you tried to measure the nStatus, nConfig and CONF_DONE pin? I would need this information to understand what is actually happening on your device. If the nStatus pin keep toggling then you might face this issue. Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hi @JohnT_Intel , Sometimes jtagconfig detects the device, many times it doesn't. Here are three consecutive jtagconfig executions. After unplugging the board (2nd one), it has been (luckely) detected: :~$ jtagconfig 1) USB-Blaster [1-5] Unable to read device chain - JTAG chain broken :~$ jtagconfig 1) USB-Blaster [1-5] 020F30DD 10CL025(Y|Z)/EP3C25/EP4CE22 :~$ jtagconfig 1) USB-Blaster [1-5] Unable to read device chain - JTAG chain broken :~$ Between the 2nd and the 3rd execution, the board has not been unplugged. This is of course particularly annoying because the successful detection is unpredictable. Simon Replies: Re: DE0-Nano Quartus Lite 19.1.0 Linux - Programming Failed - Error (209040): Can't access JTAG chain Hi, From the message you provided, you are only able to detect the blaster but not the device. May I know if you have try to performed auto-detect or "jtagconfig" to see if it is able to detect any device on device chain? Have you confirm if the connection to the JTAG port is correct?