Hi! I'm try to start with a new board (Teensy4.1) I have problem to lunch the debugger. I'm looking for around the forum but I can find nothy about this error. Can you help me?

This is the error output
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The program '' has exited with code 42 (0x2a).

Hi, here the microbuild output file .txt

Hi Simon
I can confirmo the following configuration:

setup ()
SerialUSB1.begin(115200);
debug.begin(SerialUSB1);


yes, the  COM ports shown for the Teensy Board in Visual Micro (assume COM9, and COM10)

this last update micro build report (no verbose)

=thread-group-added,id="i1"
GNU gdb (GNU Tools for ARM Embedded Processors) 7.10.1.20160923-cvs
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>;
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i686-w64-mingw32 --target=arm-none-eabi".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
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The program '' has exited with code 42 (0x2a).

Thanks for the detail.

From the code I believe your code, and the debugger are trying to use SerialUSB1.

Try changing it to:

setup () {
Serial.begin(115200);       // First Serial Port in Dual Serial Mode for our code [COM8]
debug.begin(SerialUSB1); // Second Serial Port in Dual Serial Mode for Debugging Transport [COM9]
}
 

Thanks, can you please attach the full Output again so we can investigate further?

Thanks for the detail.

If you Upload the Sketch, both Serial Port Selections should allow the COMxx port to be selected (instead of the Teensy designated \\usb:0/140000/0/4/3\)

At present it looks like the option on the vMicro > Debugger > Override Debug Port is set to \\\\.\\usb:0/140000/0/4/3\, instead of the native COMxx port.

If you reselect the port after uploading, and try again this should work as expected (attach new log if issues occur).

If you set the vMicro > Debug > Optimization to "No Project + Libraries", and set a breakpoint at the top of loop in your sketch, then Debug > Start, does it land on the breakpoint?

Please attach the log...

The error simply means that GDB cannot connect to the software stub via the COM port on the board.

Does using Debug > Attach after uploading the code improve the situation?

Marco (Italy) wrote on Apr 6^th, 2021 at 4:14pm:


If you use the Debug > Attach to Process, this will just attach the debugger, without doing the build/upload again.

It may be the Debug > Start Debugging, is trying to start the debugging process too quickly.

Can you ZIP and send the entire solution to us via email, and an up to date copy of the full build output?