[pulseaudio-discuss] Accessing audio as root

Markus Rechberger mrechberger at gmail.com
Fri Nov 27 01:24:34 PST 2009

On Fri, Nov 27, 2009 at 5:18 PM, Colin Guthrie <gmane at colin.guthr.ie> wrote:
> 'Twas brillig, and Markus Rechberger at 27/11/09 06:33 did gyre and gimble:
>> When temporary changing over to the PA group the memory mappings
>> should be possible,
>> shouldn't it? I won't get around to check this before the end of next
>> week actually...
> To be honest I'm really not sure what you are trying to solve by moving the
> groups around...
> The SHM memory issue is simply that it doesn't work under system-wide mode.
> Moving groups around is nothing to do with this.
> System wide mode *requires* that any user wanting to output sound *must* be
> in the pulse-access group. This is why reconfiguring it in the background
> puts a massive amount of administration overhead onto the user to ensure all
> their users are configured in this way.
> In many ways, a system wide PA that properly sandboxes user's
> connections/streams according to username and/or other ACL based rules and
> had full integration with consolekit at that level could solve these issues
> (doing away with the pulse-access group requirement etc), but the SHM issue
> becomes a problem then which is quite a big issue.
> I'm really not qualified to comment on this, but it's not a problem unique
> to yourself. mpd is typically configured in a similar way and suffers the
> same problems.
> Bearing in mind that PA is typically aimed at desktop users, this really
> isn't a massive problem, but it's still one that crops up (and lets face it
> everyone is vocal when something is perceived as breaking and no one shouts
> praises for saving battery power and for making multidevice management work
> etc. etc.)

We'll have a closer look at it within the next 1-2 weeks. We also aim
at desktop users
but the product goes beyond that. Alot units have been shipped already
and the PA issue
becomes a bigger problem for us, we simply don't want to check all the
and different PA setups in order to get audio work just because PA is
limited in that


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