Note that it works in --devmode, but I would like to have it also running in "safe mode".
█ Jacques On 6 November 2016 at 11:29, Jacques Supcik <jacq...@supcik.net> wrote: > Dear community. > > I have a program <https://gitlab.com/telecom-tower/tower>, written in go, > and running on a raspberry Pi 2, which displays messages on a LED panel. > The panel <https://www.adafruit.com/product/2294> is made of "neo pixels" > and is connected to the GPIO of the raspberry Pi. Internally, it uses the > DMA and PWM to generate and accurate signals. > > The program currently runs well on a Raspbian system and I would like to > move to ubuntu-core. I was able to build the snap and to deploy it on a > raspberry Pi 2 running Core version 16. I installed the snap with > "--dangerous", but as soon as the system configure the DMA/PWM/GPIO, it > just freezes. > > I installed snappy-debug to check the logs and this is what I get: > > = AppArmor = > Time: Nov 6 09:28:45 > Log: apparmor="DENIED" operation="open" profile="snap.telecom-tower.daemon" > name="/dev/vcio" pid=4441 comm="tower" requested_mask="r" denied_mask="r" > fsuid=0 ouid=0 > File: /dev/vcio (read) > > = Seccomp = > Time: Nov 6 09:28:45 > Log: auid=4294967295 uid=0 gid=0 ses=4294967295 pid=4441 comm="tower" > exe="/snap/telecom-tower/x1/bin/tower" sig=31 arch=40000028 14(mknod) > compat=0 ip=0x76e3aaf6 code=0x0 > Syscall: mknod > > Note that if I scp the binary file and run on ubuntu core as root, then > the program runs fine. (I don't install the snap, I just run the binary > from the home directory.) > > Does someone have an idea about what I can do to make my snap run? > > Thank you very much in advance for your support. > > Best regards, > > █ Jacques >
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