No sound in rawhide

Ray Van Dolson rayvd at bludgeon.org
Wed Jun 17 18:44:34 UTC 2009


On Wed, Jun 17, 2009 at 08:06:36AM -0800, Jeff Spaleta wrote:
> On Wed, Jun 17, 2009 at 7:25 AM, Ray Van Dolson<rayvd at bludgeon.org> wrote:
> > Hmm, I just always figured I was supposed to add myself to the audio
> > group.  So these files are supposed to be owned by my local user
> > account when I log in eh?
> 
> No...  you should be added to the acl list associated to the device if
> you are the physical console user as per the authorization policy
> managed by PolicyKit.  This it how it works from at least F10 onward.
> Mucking around with file ownership directly is "old think." The system
> scripts associated with pam use to do that on user login and
> logout...but has been replaced with the more flexible solution
> involving acls that PolicyKit based hardware access authorization
> makes use of.
> 
> 
> for example on the F10 system I'm on right now:
> ls -la /dev/snd/seq
> crw-rw----+ 1 root root 116, 3 2009-06-17 07:07 /dev/snd/seq
> 
> 
> getfacl /dev/dsp
> # file: dev/snd/seq
> # owner: root
> # group: root
> user::rw-
> user:myuser:rw-
> group::rw-
> mask::rw-
> other::---
> 
> I do not own the file in the traditional Unix permissions sense. But I
> am listed in the acl list with read write access.  If your user is not
> in the acl list, something misfired in the area of the PolicyKit based
> authorization handling.

Good to know.  I've checked the acl list in the past and definitely
wasn't a member.

I'll have to remove myself from audio and see if I can track this down.

Thanks,
Ray




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