On Sun, Oct 26, 2014, at 11:36 PM, Marco d'Itri wrote:
> On Oct 26, Kaj Ailomaa <zeque...@mousike.me> wrote:
> 
> > I did find some explanations on the usage of it on this page, under
> > 'Should users be in the "audio" group?'
> > http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/PerfectSetup/,
> > and from what I can determine, Debian would then fall under category 2
> > as explained in the text. Is that what Debian wants?
> Yes.
> 
> > Package libffado2 installs a udev rules file granting audio group
> > privilege to a set of firewire audio cards (which are primarily used
> > with jack). This is quite a nice setup, since users are already in audio
> > group and need only install jack in order to get the benefit of realtime
> > scheduling.
> Debian users should not be in the audio group: if the devices are not 
> already covered by the rules in /lib/udev/rules.d/71-seat.rules then 
> they should be tagged with TAG+="seat" so that users on the local 
> consoles will be able to access them..

Ok, so you are for removing audio group from user default groups?

I'm not very familiar with udev rules, but the rules for ffado point to
audio group. 
The beginning of 60-ffado.rules (in package libffado2):


SUBSYSTEM!="firewire", GOTO="ffado_end"

# TC GROUP A/S
ATTR{vendor}=="0x000166", GROUP="audio", ENV{ID_FFADO}="1"
# Mark of the Unicorn, Inc. (aka MOTU)
ATTR{vendor}=="0x0001f2", GROUP="audio", ENV{ID_FFADO}="1"


Would these be able to be tagged with "seat" as you mention?


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