'No device found on COMXX' message when IDE identifies board and port itself

[aliphys]

Describe the problem

After using the IDE for some time, the IDE decides that even though itself identified the board/port, the board/port in question does not exist according to the uploader. In the present issue, I have used a MKR WIFI 1010 and replicated the problem with another (new) board as well. This issue has been present on multiple computers, and is usually fixed by restarting the PC.

A video demonstration of the issue with the first board (COM18)
Screen sharing - 2022-08-08 5 49 21 PM.webm

Screenshots of IDE 2.0.0-rc9.1 with second board (COM17)

Screenshots of IDE 1.8.19 with second board (COM17)

To reproduce

1. Use the IDE 2.x for some period of time
2. Connect the MKR WIFI 1010 (without a battery)
3. Make sure that the board and port are correctly selected
4. Click on upload
5. The message Failed uploading: uploading error: exit status 1 No device found on COMXX is shown.
6. Close window and open blink sketch in IDE 1.x
7. After selecting board/port, upload again
8. You will get the same error.
   Bonus: Use another board and do steps 1-9 again

Expected behavior

The code is uploaded and the message Failed uploading: uploading error: exit status 1 No device found on COMXX is not shown in the outlet.

Arduino IDE version

Tested with: Arduino IDE 2.0.0-rc9.1 & Arduino IDE 1.8.19

Operating system

Windows

Operating system version

Windows 10

Additional context

No response

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the latest nightly build
• My report contains all necessary details

[per1234]

Hi @aliphys. Thanks for your report.

Please try it with the latest nightly build and then tell us whether the issue still occurs. There was a bug with uploading in Arduino IDE 2.0.0-rc9.1, which has already been fixed (#1279), but since you are using the release version instead of the nightly, you don't have that fix in your IDE.

[aliphys]

I restarted my laptop, and now I can upload to the board. Both IDE 2.0.0-rc9.1 as well as the nightly version (20220808) can upload to the board.
IDE 2.0.0-rc9.1

IDE 2.0.0-rc9.1-nightly-20220808

[aliphys]

On the first restart, it did not work. But the second time I restarted, I was able to upload the sketch.

---

As an additional note, I didn't hear the windows hardware disconnect/reconnect sound (https://www.youtube.com/watch?v=I0btZwXX6Qs) when I had upload problems.

[per1234]

Thanks for checking. I'm glad it is working now. Please comment here if you experience the problem while using the nightly.

I didn't hear the windows hardware disconnect/reconnect sound (https://www.youtube.com/watch?v=I0btZwXX6Qs) when I had upload problems.

A successful upload procedure for the MKR WiFi 1010 is like this:

1. User starts the upload.
2. IDE compiles the sketch
3. IDE momentarily opens a serial connection to the MKR WiFi 1010 at 1200 baud
4. MKR WiFi 1010 exits the sketch program in response to this special "1200 bps touch" signal
5. Windows sees the disconnection of the USB CDC serial port device produced by the background code of the sketch program
6. MKR WiFi 1010 runs the bootloader program
7. Windows sees the connection of the USB CDC serial port device produced by the bootloader program
8. IDE uploads the sketch program to the MKR WiFi 1010
9. MKR WiFi 1010 exits the bootloader program and runs the sketch program

The bug in Arduino IDE 2.0.0-rc9.1 prevented the serial connection that was required during step (3). For this reason, the board does not go through the normal disconnection, reconnection cycle.

[aliphys]

I have hit the same problem again: the IDE identifies the board as well as the port, yet refuses to upload. Similar to before, I do not hear the windows disconnect/reconnect sound.

Error message from IDE

Sketch uses 12288 bytes (4%) of program storage space. Maximum is 262144 bytes.
Global variables use 2996 bytes (9%) of dynamic memory, leaving 29772 bytes for local variables. Maximum is 32768 bytes.
Failed uploading: uploading error: exit status 1No device found on COM18

I am on the nightly release (20220808).

---

I restarted my laptop. Now it is stuck on Uploading.... It has been like this for a few minutes.

To make this more clear, I have made a recording of what I have done.
Screen sharing - 2022-08-09 6 24 30 PM.webm

I then re-opened the IDE (again, on the nightly version) and again showed what steps I have taken
Screen sharing - 2022-08-09 6 27 43 PM.webm

This is the screenshot of the final result, upon uploading again as seen in the second video.

---

Hope this helps. Let me know if I can provide further information. :)

[per1234]

I'm going to ask you to provide the output from the upload when in verbose mode. Hopefully that will offer some clues about the problem.

Please do this:

1. Select File > Preferences from the Arduino IDE menus.
2. Uncheck the box next to Show verbose output during: > ☑ compilation.
3. Check the box next to Show verbose output during > ☐ upload if it is not already checked.
4. Click the OK button.
5. Select Sketch > Upload from the Arduino IDE menus.
6. Wait for upload to fail.
7. After the upload fails you'll see a button on the "Upload error" notification at the bottom right corner of the IDE window: COPY ERROR MESSAGES. Click that button.
8. Paste the copied error messages in a reply here.