Snap hangs when accessing a special /dev/file (/dev/vcio) [ubuntu-core 16 / RaspberryPi2]

[Didier Roche]

Le 07/11/2016 à 12:17, Oliver Grawert a écrit :
> hi,
> Am Montag, den 07.11.2016, 11:23 +0100 schrieb Didier Roche:
>>  
>> Ah nice, I didn't find any documentation on it nor in the official
>> doc
>> (which was imported from the snapd repo before its removal) or in
>> https://github.com/snapcore/snapd/wiki/Interfaces. Any plan on
>> documenting it?
>>
>> Is there a bug report for ogra to enable it in the official gadget
>> snaps
>> for Pi 2/3?
> we only briefly had a hallway discussion about this at the sprint,
> happy to enable it in the gadget.
>
> but please note that a mailbox device (while using GPIO) gets quite
> some control over internal CPU processes, i think this needs additional
> securing over a plain GPIO interface ...

FYI, opened https://bugs.launchpad.net/snappy/+bug/1639798