[PD] [comport] ** ERROR ** could not open device /dev/ttyACM0: failure(13): Permission denied

Alexandros Drymonitis adrcki at gmail.com
Thu Oct 9 12:36:15 CEST 2014


Solved it. Had to install the Linux udev rules which can be found here
http://pjrc.com/teensy/td_download.html
along with instructions.

On Wed, Oct 8, 2014 at 6:10 PM, Alexandros Drymonitis <adrcki at gmail.com>
wrote:

> I have an Odroid which I use either with an SD card or an eMMC module,
> both with the same OS (Debian Jessie for Odroid). In the SD card I've got
> Pd-0.45-5 and in the eMMC module I've got Pd-0.46-0 installed.
> With the SD card I can open the port /dev/ttyACM0 (I've got a Teensy 3.1
> plugged in via USB) but with the eMMC module I get this error:
> "[comport] ** ERROR ** could not open device /dev/ttyACM0:
>  failure(13): Permission denied"
>
> Any idea why is that? And how can it be solved?
> I've checked the /dev/ directory and the port exists in both the SD and
> the eMMC.
>
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