Can't upload sketches: "port not found" (Manjaro Linux)

Official Hardware Nano Family Nano 33 IoT
1

Today I wanted to work with my Arduino again, but every time I want to upload a sketch I get

Sketch uses 11216 bytes (4%) of program storage space. Maximum is 262144 bytes.
Global variables use 2384 bytes (7%) of dynamic memory, leaving 30384 bytes for local variables. Maximum is 32768 bytes.
processing.app.debug.RunnerException
	at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:152)
	at cc.arduino.UploaderUtils.upload(UploaderUtils.java:77)
	at processing.app.SketchController.upload(SketchController.java:732)
	at processing.app.SketchController.exportApplet(SketchController.java:703)
	at processing.app.Editor$UploadHandler.run(Editor.java:2055)
	at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: processing.app.SerialException: Error touching serial port '/dev/ttyACM0'.
	at processing.app.Serial.touchForCDCReset(Serial.java:107)
	at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:136)
	... 5 more
Caused by: jssc.SerialPortException: Port name - /dev/ttyACM0; Method name - openPort(); Exception type - Port not found.
	at jssc.SerialPort.openPort(SerialPort.java:167)
	at processing.app.Serial.touchForCDCReset(Serial.java:101)
	... 6 more

When I want to open the serial monitor, I also get Error opening serial port '/dev/ttyACM0'. (Port not found)

It worked before and I didn't change anything, so i guess maybe an update broke it. Anyway I'm pretty sure that the port is set correctly

~ >>> ls -l /dev/ttyACM*                                                       
crw-rw---- 1 root uucp 166, 0 22. Apr 23:26 /dev/ttyACM0
~ >>> groups                                                                   
network power users uucp storage lp input audio wheel autologin maeries

I already remove modemmanager as suggested in this thead Leonardo BareMinimum Upload Failure with Linux

It also works on Windows, thus the Arduino is not broken

System:

  • OS is Manjaro Linux
  • The Arduino is a Nano IoT
2

Update, as I found out how to reproduce the issue.

  1. Upload a sketch that includes keyboard.h using a different computer
    Everything works now and I can upload sketches using Manjaro

  2. Upload a sketch that does not include the keyboard.h. Could even be the same sketch as before, just without the line #include <Keyboard.h>
    Now I can't upload sketches anymore, until I upload something that includes the keyboard.h using a different computer

3

bump, so it doesn't get deleted

4

@maeries, your topic has been moved to the dedicated section for the Nano33 IoT. Hopefully it will get some better attention.

Are you saying that you can upload a sketch without #include keyboard.h once and not after that? Or not at all?

5

Right after I bought the Arduino I was able to upload sketches without a problem. I'm pretty sure the issue began when I uploaded a sketch containing the keyboard.h for the first time

6

Does the problem happen with any sketch? E.g. blink or empty sketch?

7

yes

8

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