I have tried installing the package from Buster. That has resolved the crash - the program ended gracefully. However the underlying problem is still there - devices without interface 0 will not work. I think this is present in upstream as well.
USB_ModeSwitch log from Wed Dec 25 16:35:30 CET 2019
Use global config file: /etc/usb_modeswitch.conf
Raw parameters: {--switch-mode} {1-11}
Use top device dir /sys/bus/usb/devices/1-11
Check class of first interface ...
No access to interface 0. Exit
I have tried installing the package from Buster. That has resolved the crash - the program ended gracefully. However the underlying problem is still there - devices without interface 0 will not work. I think this is present in upstream as well.
USB_ModeSwitch log from Wed Dec 25 16:35:30 CET 2019
Use global config file: /etc/usb_ modeswitch. conf usb/devices/ 1-11
Raw parameters: {--switch-mode} {1-11}
Use top device dir /sys/bus/
Check class of first interface ...
No access to interface 0. Exit