Activity for dfu-util

Tormod Volden modified ticket #232

Tormod Volden — Wed, 23 Sep 2026 17:59:28 -0000

Arduino ESP32: No DFU capable USB device available

Tormod Volden modified ticket #234

Tormod Volden — Wed, 23 Sep 2026 17:57:44 -0000

Arduino Nano: No DFU capable USB device available

Tormod Volden posted a comment on ticket #236

Tormod Volden — Sun, 20 Sep 2026 08:57:41 -0000

Please see https://sourceforge.net/p/dfu-util/tickets/new/ for information that must be provided.

monart frederic created ticket #236

monart frederic — Thu, 17 Sep 2026 20:08:53 -0000

No DFU : uploading error: exit status 74

Tormod Volden modified ticket #235

Tormod Volden — Wed, 02 Sep 2026 16:48:27 -0000

dfu fail to load

Anonymous posted a comment on ticket #235

Anonymous — Wed, 02 Sep 2026 16:48:02 -0000

Dear Sir/mdm, Good Day , thank you for your prompt reply , this is a new findings to me, my intention is to get the Software environment setup as a basic requirement , so I would ignore the error message as share by you,my interest is the new prototype which I need to reflash a new firmware which will coming anytime from this months. I will looks into it later with the new prototype if still happend the same thing. Hoping everything goes well. Best regards, Beng Leong Ang

Tormod Volden modified a comment on ticket #235

Tormod Volden — Wed, 02 Sep 2026 16:47:52 -0000

Tormod Volden posted a comment on ticket #235

Tormod Volden — Wed, 02 Sep 2026 08:20:28 -0000

It looks like the user doesn't have permissions to read from device 30c9:00e6, so name and serial cannot be determined. Is this the device that you are interested in? Otherwise you can ignore the message. If the device only shows up on the new laptop it could be e.g. a built-in USB camera.

Mike created ticket #235

Mike — Wed, 02 Sep 2026 01:29:14 -0000

dfu fail to load

Tormod Volden posted a comment on ticket #234

Tormod Volden — Sun, 23 Aug 2026 10:50:44 -0000

Please see the Arduino link on https://sourceforge.net/p/dfu-util/tickets/new/ This is not a dfu-util issue but an Arduino issue.

Bill Curd created ticket #234

Bill Curd — Sat, 22 Aug 2026 01:46:51 -0000

No DFU capable USB device available Failed uploading: uploading error: exit status 74

Tormod Volden modified ticket #233

Tormod Volden — Sun, 26 Jul 2026 12:21:19 -0000

Arduino PLC IDE: Opta Analog Expansion RTD input causes SOURCE NOT OK / PLC NOT RUNNING

Tormod Volden posted a comment on ticket #233

Tormod Volden — Sun, 26 Jul 2026 12:21:19 -0000

I don't see any relevance to dfu-util so closing the ticket.

Simon created ticket #233

Simon — Sun, 05 Jul 2026 14:33:36 -0000

Arduino PLC IDE: Opta Analog Expansion RTD input causes SOURCE NOT OK / PLC NOT RUNNING

Julian Yap modified a comment on ticket #195

Julian Yap — Wed, 10 Jun 2026 09:44:54 -0000

STM32F072CBT6 with a 47k binary Tool Time[s] dfu-util 0.11 Legit over 5 minutes, was working on firmware stuff for 2 days before I got things working and had time to investigate this further. It was confusion, it was pain. dfu-util git :fast 3.052 - Yeah, 3 seconds On my NixOS system, I just build it from source and patch dfu-util so the flag runs by default. # Enable 'fast' mode by default so tools invoking dfu-util # (e.g. QMK) don't need to pass the :fast flag. # Fast mode skips DFU poll timeouts...

Julian Yap modified a comment on ticket #195

Julian Yap — Wed, 10 Jun 2026 09:42:47 -0000

Julian Yap posted a comment on ticket #195

Julian Yap — Wed, 10 Jun 2026 09:38:11 -0000

Gerard Griffin posted a comment on ticket #232

Gerard Griffin — Tue, 02 Jun 2026 21:35:21 -0000

Arduino Nano ESP32 Cannot open DFU device 2341:0070 found on devnum 1 (LIBUSB_ERROR_NOT_FOUND) No DFU capable USB device available Failed uploading: uploading error: exit status 74 I can read the serial numbers on 2 x Arduino Nano ESP32 boards however I cannot upload programs. Tried different ports, cables and Arduino boards Tried reinstalling the IDE Tried installing latest and previous versions of the board software

Tormod Volden modified ticket #217

Tormod Volden — Sat, 02 May 2026 10:24:23 -0000

Arduino: No DFU capable USB device available

Anonymous posted a comment on ticket #217

Anonymous — Sat, 02 May 2026 10:22:09 -0000

I'm using an Arduino UNO R3. My IDE is version 2.3.6. I selected Arduino UNO Minima from the Tools menu and connected via port com4. When I try to compile and upload the attached file, the upload fails. The following error message appears: No DFU capable USB device available Failed uploading: uploading error: exit status 74 How can I upload it? I was able to upload and it worked before I updated the IDE.

Tormod Volden posted a comment on ticket #217

Tormod Volden — Sat, 02 May 2026 10:21:18 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74

Tormod Volden posted a comment on ticket #224

Tormod Volden — Sat, 02 May 2026 10:20:45 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74

Tormod Volden modified ticket #225

Tormod Volden — Sat, 02 May 2026 10:19:25 -0000

Arduino Nano R4: Error LIBUSB_ERROR_NOT_SUPPORTED

Tormod Volden posted a comment on ticket #225

Tormod Volden — Sat, 02 May 2026 10:18:43 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74 I actually have an Arduino Nano R4 and it is working great when using the arduino-cli tools, so there is obviously nothing wrong in dfu-util.

Tormod Volden modified ticket #230

Tormod Volden — Sat, 02 May 2026 10:16:02 -0000

Arduino: error called No DFU capable USB device available Failed uploading: uploading error: exit status 74

Tormod Volden posted a comment on ticket #230

Tormod Volden — Sat, 02 May 2026 10:15:34 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74

Tormod Volden modified ticket #228

Tormod Volden — Sat, 02 May 2026 10:15:05 -0000

Arduino: No DFU capable USB device available Failed uploading: uploading error: exit status 74

Tormod Volden posted a comment on ticket #228

Tormod Volden — Sat, 02 May 2026 10:13:50 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74

Tormod Volden modified ticket #229

Tormod Volden — Sat, 02 May 2026 10:13:27 -0000

Arduino: ESP32 -WROOM-32 Error Status 74

Tormod Volden posted a comment on ticket #229

Tormod Volden — Sat, 02 May 2026 10:13:01 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74

Tormod Volden modified ticket #232

Tormod Volden — Sat, 02 May 2026 10:12:23 -0000

Arduino: No DFU capable USB device available Failed uploading: uploading error: exit status 74

Tormod Volden posted a comment on ticket #232

Tormod Volden — Sat, 02 May 2026 10:11:08 -0000

All Arduino users: Please first go here: https://support.arduino.cc/hc/en-us/articles/11011849739804-dfu-util-errors-when-uploading-exit-status-74

Mark Bell created ticket #232

Mark Bell — Sat, 04 Apr 2026 20:48:26 -0000

No DFU capable USB device available Failed uploading: uploading error: exit status 74

Ognjen Galic posted a comment on ticket #231

Ognjen Galic — Tue, 03 Mar 2026 23:59:57 -0000

...or, perhaps, to avoid hacks and stupid stuff just add a console switch to disable timeouts or raise them :^)

Ognjen Galic posted a comment on ticket #231

Ognjen Galic — Tue, 03 Mar 2026 22:36:16 -0000

Hi, The F767 datasheet for this chip says 8 (in some crazy parallel mode) to 32 seconds. Yeah if we force such a timeout, it would slow down the tool a lot for other, real chips (STM32F0 chips mass-erase in 30ms). Maybe if we add up the flash size from the memory segments, and if they are "large" (1MB) and the controller lies, then set the large timeout? Thanks! Ognjen

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 22:29:38 -0000

Then what if some other chip also reports 200 ms but doesn't need 35 seconds, maybe even correctly needs less than 200 ms? :) How many seconds does the datasheet say?

Ognjen Galic posted a comment on ticket #231

Ognjen Galic — Tue, 03 Mar 2026 22:17:12 -0000

Hi, Should that be added to the 35 second quirk perhaps? Br, Ognjen

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 22:15:16 -0000

Poll timeout 200 ms on command MASS_ERASE (state=dfuDNBUSY) The chip tells dfu-util to wait 200 ms before asking about status again, but that is probably too short and the chip is still busy erasing and not able to communicate so our get_status request times out.

Ognjen Galic posted a comment on ticket #231

Ognjen Galic — Tue, 03 Mar 2026 21:02:45 -0000

Hi, When you said it's verbose, you weren't kidding :^) The full output is attached. Many thanks! Ognjen

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 20:54:20 -0000

Can you please format the STM32H7 output? You can see in the STM32F407 output: "Setting timeout to 35 seconds". This is a quirk because we know some devices report wrong erase time. Maybe the F767 also reports wrong erase time. Please use -v -v to see more debug information. You can also use -v -v -v but that is so verbose you'd better attach the output as a file.

Ognjen Galic posted a comment on ticket #231

Ognjen Galic — Tue, 03 Mar 2026 11:32:00 -0000

Here it is: STM32F767: ```C:\Users\ggurov\Downloads\epictuner-plugin-1.0-alpha-b18>dfu-util-static -v -d0483:df11 -a0 -s 0x08000000:mass-erase:force -D "C:\Users\ggurov\AppData\Local\Temp\epicEFI-dfu-update14162277243067594849\rusefi.snapshot.MEGA144F7\rusefi.bin" dfu-util 0.11-dev Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2021 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/...

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 10:39:27 -0000

Windows git snapshot binaries can be found here: https://dfu-util.sourceforge.net/snapshots/ (2024-04-16 is practically latest git)

Ognjen Galic posted a comment on ticket #231

Ognjen Galic — Tue, 03 Mar 2026 10:26:00 -0000

Hi, Is there any possibility that you could build us a git msvc x64 binary? I dont have the toolchain set up as im on Mac. Many thanks! Ognjen

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 09:48:21 -0000

If you are using latest git you can also try the new :fast dfuse modifier.

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 09:46:49 -0000

Please also use the latest version or latest git, because the diagnostics output has been improved.

Tormod Volden posted a comment on ticket #231

Tormod Volden — Tue, 03 Mar 2026 00:05:10 -0000

Verbose logs might help, see https://sourceforge.net/p/dfu-util/tickets/new/

Ognjen Galic created ticket #231

Ognjen Galic — Mon, 02 Mar 2026 21:03:20 -0000

DFU download bricking STM32F767 and mass-erase is failing

Haniya Haris created ticket #230

Haniya Haris — Wed, 21 Jan 2026 03:12:51 -0000

i am getting a error called No DFU capable USB device available Failed uploading: uploading error: exit status 74

Christian Schwaiger created ticket #229

Christian Schwaiger — Tue, 20 Jan 2026 20:57:50 -0000

ESP32 -WROOM-32 Ardoino Error Status 74

Nick Neupert posted a comment on ticket #227

Nick Neupert — Fri, 16 Jan 2026 08:06:42 -0000

Oh, a different error suddenly? File downloaded successfully Submitting leave request... dfu-util: Error during download get_status: -9 (LIBUSB_ERROR_PIPE)

Aries Beckett created ticket #228

Aries Beckett — Wed, 14 Jan 2026 07:25:52 -0000

No DFU capable USB device available Failed uploading: uploading error: exit status 74

Nick Neupert modified a comment on ticket #227

Nick Neupert — Sun, 21 Dec 2025 16:49:34 -0000

The chip is a STM32G474RETx It uses this built-in bootloader API: https://www.st.com/resource/en/application_note/an3156-usb-dfu-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf Bootloader version is 0xD5 (or v13.5) https://www.st.com/resource/en/application_note/an2606-stm32-microcontroller-system-memory-boot-mode-stmicroelectronics.pdf

Nick Neupert modified a comment on ticket #227

Nick Neupert — Sun, 21 Dec 2025 16:46:22 -0000

The chip is a STM32G474RETx It uses this built-in bootloader: https://www.st.com/resource/en/application_note/an3156-usb-dfu-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf

Nick Neupert posted a comment on ticket #227

Nick Neupert — Sun, 21 Dec 2025 14:18:37 -0000

The chip is a STM32G474RETx

Tormod Volden posted a comment on ticket #227

Tormod Volden — Sun, 21 Dec 2025 14:07:42 -0000

No, I think the device is misbehaving. After receiving the "leave" request, it should answer the get_status request and actually only proceed to "leaving" afterwards. Which chip / bootloader is this?

Nick Neupert modified a comment on ticket #227

Nick Neupert — Sun, 21 Dec 2025 11:42:17 -0000

The omission of the :leave option will also get rid of the error (but then the device will not be restarted). I am wondering if this is just a timing issue, that dfu-util is requesting the USB status before the device had time to restart.

Nick Neupert posted a comment on ticket #227

Nick Neupert — Sun, 21 Dec 2025 11:41:35 -0000

The omission of the :leave option will also get rid of the error. I am wondering if this is just a timing issue, that dfu-util is requesting the USB status before the device had time to restart.

Nick Neupert posted a comment on ticket #227

Nick Neupert — Thu, 04 Dec 2025 11:09:32 -0000

Tried it with git version and getting a different wording of the error: File downloaded successfully Submitting leave request... dfu-util: Error during download get_status: -4 (LIBUSB_ERROR_NO_DEVICE)

Nick Neupert posted a comment on ticket #227

Nick Neupert — Tue, 02 Dec 2025 14:51:47 -0000

Yes, the firmware is downloaded successfully. I am worried about user confusion b/c this is a process the customers may have to do in the future. Will test latest git.

Tormod Volden posted a comment on ticket #227

Tormod Volden — Tue, 02 Dec 2025 14:41:54 -0000

As you can see from "File downloaded successfully" the download is fine. It is the "leave" request afterwards that gives an error message.

Tormod Volden posted a comment on ticket #227

Tormod Volden — Tue, 02 Dec 2025 14:39:03 -0000

Thanks! It is possible that this has been fixed in git after 0.11 was released. Can you please try latest git?

Nick Neupert posted a comment on ticket #227

Nick Neupert — Tue, 02 Dec 2025 13:52:10 -0000

Show output with -v option added: sudo dfu-util -v -a 0 -i 0 -s 0x08000000:leave -D firmware.bin dfu-util 0.11 Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2021 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/ libusb version 1.0.27 (11882) DFU suffix version 100 Match vendor ID from file: 0483 Match product ID from file: df11 Opening DFU capable USB device......

Nick Neupert posted a comment on ticket #227

Nick Neupert — Tue, 02 Dec 2025 13:49:19 -0000

Show output with -l option sudo dfu-util -l -a 0 -i 0 -s 0x08000000:leave -D firmware.bin dfu-util 0.11 Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2021 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/ Match vendor ID from file: 0483 Match product ID from file: df11 Opening DFU capable USB device... Device ID 0483:df11 Device DFU version 011a Claiming...

Nick Neupert posted a comment on ticket #227

Nick Neupert — Tue, 02 Dec 2025 13:46:50 -0000

Computer environment: Linux Kubuntu 24.04 amd64 Exact version of dfu-util: from distro 0.11 Device: own device with stm32 Full command line used: sudo dfu-util -a 0 -i 0 -s 0x08000000:leave -D firmware.bin

Tormod Volden posted a comment on ticket #227

Tormod Volden — Tue, 02 Dec 2025 13:40:54 -0000

I would need more info to tell. Please see what is written on https://sourceforge.net/p/dfu-util/tickets/new/

Nick Neupert created ticket #227

Nick Neupert — Tue, 02 Dec 2025 12:55:25 -0000

Error during download get_status

Tormod Volden posted a comment on ticket #226

Tormod Volden — Thu, 27 Nov 2025 18:58:34 -0000

The warning is just a warning, and not really saying something goes wrong. What is the problem?

chu created ticket #226

chu — Thu, 27 Nov 2025 17:50:38 -0000

Warning: Invalid DFU suffix signature

Tormod Volden modified ticket #218

Tormod Volden — Sat, 25 Oct 2025 11:40:49 -0000

Xilinx (AMD) bootloader (FSBL) issues on Windows

Anonymous posted a comment on ticket #218

Anonymous — Sat, 25 Oct 2025 11:38:23 -0000

Seconding this solution. Thank you so much!

Rotoi created ticket #225

Rotoi — Wed, 15 Oct 2025 16:38:10 -0000

Error LIBUSB_ERROR_NOT_SUPPORTED with Arduino nano R4

MARCHAND created ticket #224

MARCHAND — Mon, 06 Oct 2025 21:36:31 -0000

Arduino IDE error message

Bartel posted a comment on ticket #219

Bartel — Mon, 06 Oct 2025 12:58:13 -0000

Same question here. Especially interested in the fixes to handle a reset device properly, e.g.: https://sourceforge.net/p/dfu-util/dfu-util/ci/83b4abcf8a2c168d8e4e5fc2261fc88ec22bb00c/ I am using this in an embedded Buildroot environment. And I had to manually add these patches to patch v0.11 in my build system, because else I got erroneous return codes from successful dfu-util upgrades.

Tormod Volden posted a comment on ticket #223

Tormod Volden — Mon, 29 Sep 2025 22:23:10 -0000

It is not often that ELF files are used to provide firmware to end users as in this example. However it is often the primary build artifact so it would be convenient for development. It is interesting that StmDfuUsb supports ELF files because it is not mentioned on the home page https://yatrim.com/stmdfuusb I am not hugely in favour of adding all kind of file formats to dfu-util, because it adds complexity, maintenance burden and probably build dependencies. I would prefer it being added to the dfuse-pack.py...

Xavier Bestel posted a comment on ticket #223

Xavier Bestel — Mon, 29 Sep 2025 21:24:58 -0000

I don't know what's inside. It's this device : https://skybean.eu/so-vario My question is more of a feature request : would it be possible to somehow parse ELF files do deduce the correct parameters for flashing ?

Tormod Volden posted a comment on ticket #223

Tormod Volden — Mon, 29 Sep 2025 18:38:18 -0000

You mention StmDfuUsb but not anything about what device and bootloader it is. Please see https://sourceforge.net/p/dfu-util/tickets/new/ You can convert the ELF file to a binary using objcopy. If it is a standard DFU 1.1 device then that's all fine, but if it a DfuSe bootloader you must know where to load it, this information is in the ELF file but not in the binary file.

Xavier Bestel created ticket #223

Xavier Bestel — Mon, 29 Sep 2025 17:00:20 -0000

How to write elf file ?

Michal Zygmunt created ticket #222

Michal Zygmunt — Sun, 31 Aug 2025 20:39:59 -0000

dfu-util does not work on Windows ARM64 (Surface Pro etc)

Mark Ward posted a comment on ticket #221

Mark Ward — Wed, 20 Aug 2025 13:18:24 -0000

I may have found the issue. In the script there are individual steps to programming the bootloader and application (the script being written by TI called usb_dfu_uniflash.py, in that scrip it checks the status of the target device using dfu-util -l between steps to check enumeration of the device to make sure it is ready for the next step. It looks like the -p can change between steps and the script can't handle that. I am going to modify TI's script and see if I can make this more reliab...

Tormod Volden posted a comment on ticket #221

Tormod Volden — Tue, 19 Aug 2025 21:52:45 -0000

I remember having seen, many years ago, an issue with a program running via Python's subprocess. I will try to recall or find back to it. You said that you added a lock that assures only one invocation of dfu-util is running at a time, but that didn't help. It therefore seems to me that the problem is not running dfu-util in parallel, but something else.

Mark Ward posted a comment on ticket #221

Mark Ward — Tue, 19 Aug 2025 13:10:20 -0000

The failure looks to be hanging after the first block of data is transferred and before we enumerate the device again: Failing system [ 1.901426] [002f018d] libusb: debug [libusb_free_transfer] transfer 0x1cbf8ab0 DFU state(2) = dfuIDLE, status(0) = No error condition is present Done! [ 1.901440] [002f018d] libusb: debug [libusb_close] [ 1.901447] [002f018d] libusb: debug [usbi_remove_event_source] remove fd 7 [ 1.901492] [002f018d] libusb: debug [libusb_exit] [ 1.901567] [002f018e] libusb: debug...

Mark Ward posted a comment on ticket #221

Mark Ward — Tue, 19 Aug 2025 12:58:51 -0000

This is the detailed log file from the hung dfu-util programming of AM243x - above was same failure without -vvv.

Mark Ward created ticket #221

Mark Ward — Mon, 18 Aug 2025 22:13:18 -0000

dfu-util hangs about 25% of the time when run in parallel via python subprocess

Tormod Volden posted a comment on ticket #219

Tormod Volden — Fri, 25 Jul 2025 21:21:01 -0000

Thanks for your feedback. Yes, I have also been thinking about this and for long :) It is good to receive some feedback on the latest git, and that these changes have an impact. I usually don't hear anything on this side unless something is broken... I will look at retargeting those milestones and make a release soon.