← index #13504Issue #17918
Related · medium · value 1.720
QUERY · ISSUE

On OSX, mpremote.transport.TransportError: could not enter raw repl

openby dcmcshanopened 2024-01-24updated 2026-02-23
bugtools

mpremote can't seem to enter raw repl:

% mpremote ls
b'MicroPython v1.20.0-745-g30ba5e11e-dirty on 2024-01-23; ESP32 module (spiram) with ESP32\r\nType "help()" for more information.\r\n>>>
Traceback (most recent call last):
File "/Users/danielmcshan/Library/Python/3.9/bin/mpremote", line 8, in <module>
sys.exit(main())
File "/Users/danielmcshan/Library/Python/3.9/lib/python/site-packages/mpremote/main.py", line 528, in main
handler_func(state, args)
File "/Users/danielmcshan/Library/Python/3.9/lib/python/site-packages/mpremote/commands.py", line 110, in do_filesystem
state.ensure_raw_repl()
File "/Users/danielmcshan/Library/Python/3.9/lib/python/site-packages/mpremote/main.py", line 470, in ensure_raw_repl
self.transport.enter_raw_repl(soft_reset=soft_reset)
File "/Users/danielmcshan/Library/Python/3.9/lib/python/site-packages/mpremote/transport_serial.py", line 155, in enter_raw_repl
raise TransportError("could not enter raw repl")
mpremote.transport.TransportError: could not enter raw repl

but mpremote connects fine:

% mpremote
Connected to MicroPython at /dev/cu.usbserial-210
Use Ctrl-] or Ctrl-x to exit this shell
MicroPython v1.20.0-745-g30ba5e11e-dirty on 2024-01-23; ESP32 module (spiram) with ESP32
Type "help()" for more information.
>>>

% sw_vers
ProductName: macOS
ProductVersion: 13.0
BuildVersion: 22A380

% python3 --version
Python 3.9.6

% mpremote --version
mpremote 1.22.0

CANDIDATE · ISSUE

mpremote: enter_raw_repl: not working with micropython v1.26

openby sebert007opened 2025-08-14updated 2025-09-05
bugtools

Port, board and/or hardware

esp32-s3, mpremote

MicroPython version

micropython v1.26 with ESP32-S3

Reproduction

mpremote cp process_handler.py :/process_handler.py

Expected behaviour

Should copy

Observed behaviour

mpremote.transport.TransportError: could not enter raw repl

Additional Information

I observed that from being in raw REPL, you cannot initiate a reboot with CTRL-D any more like it was in earlier micropython version.
For reboot, you now need to leave the raw REPL with CTRL-A first before being able to reboot with CTRL-D.

So the behavior of enter_raw_repl in transport_serial.pymight need modification.

Code of Conduct

Yes, I agree

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