Pam problem

sangu linux00 at kornet.net
Sun Oct 3 17:28:25 UTC 2004


https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=134426#c1


Poul's positng seems to be similar to #134426.



2004-10-03 (일), 13:03 -0400, Colin Walters 쓰시길:
> On Sun, 2004-10-03 at 17:20 +0100, Paul wrote:
> 
> > Version 1.
> > 
> > User 1 logs in, uses xmms, logs out
> > User 2 logs in, xmms reports soundcard blocked
> > 
> > Version 2.
> > 
> > User 1 logs in, uses xmms, logs into a couple of consoles (use
> > bittorrent, do an update and something else). Logs out
> > User 2 logs in, xmms reports soundcard blocked.
> > 
> > What should happen is for version 1, user 2 should gain control over the
> > soundcard. 
> 
> Absolutely.  If User 2 doesn't gain control that's a bug.  Can you be
> sure that /var/run/console/console.lock doesn't exist after User 1 logs
> out?
> 
> > Not sure what should happen for version 2, but I think once
> > user 1 has logged out of the X session, then user 2 should gain
> > permission.
> 
> Yes, I think it would be best if user 2 gained permission as well, but
> unless the device supports hardware mixing you're going to lose anyways.
> In this case you need a sound server.  But if you do have hardware
> mixing one nicer way to do this might be to modify pam_console to use
> ACLs on the devices instead of changing ownership.
> 
> 
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