Monday, January 20, 2014

Linux AVR-CDC ttyACM Open and Close by modem-manager

Got stuck with my avr-cdc device detected as ttyACM. Ever since my kernel upgraded to
3.11.10-200.fc19.x86_64 the modem-manager takes place and keep restarting my avr-cdc.
I ended up stuck unable to upload any sketch to my arduino.

After googling for about an hour to find proper way to disable the modem-manager, no luck.
Ok, i will do it my way. Simply rename the modem-manager in /usr/sbin/modem-manager
to modem-manager-removed and kill the process. Ahah! It never restart anymore since
the kernel could not find the modem-manager application anymore.


Playing with my arduino with no problem :D

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