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ICS ValueCAN fails to open on Ubuntu when device is bound to cdc_acm #2021
Description
Describe the bug
On Ubuntu, the ValueCAN enumerates correctly at the USB level and via the
Intrepid ICS Python API, but fails to open.
To Reproduce
This happens even when the device object returned by find_devices() is used
directly.
Expected behavior
This is supposed to open the ValueCAN and connect to device
Additional context
OS and version:
Python version: 3.11.0
python-can version: "==4.4.2"
python-can interface/s (if applicable): python-ics = "==915.14"
- Intrepid Control Systems ValueCAN (VID:PID 093c:1101)
Activity
pierreluctg commentedon Jan 19, 2026
@JamesOngICL can you please share the code/example that you are using (with
python-can) code.If the issue is with the code screen capture you have shared in your description, please raise the issue to
python-icsdirectly (https://github.com/intrepidcs/python_ics/issues) since this code example do not usepython-can.