Bug#625926: gnome-applets: mixer_applet2 fails to associate with sound card when auto-logged in at first boot

Josselin Mouette joss at debian.org
Sat May 7 08:39:16 UTC 2011

reassign 625926 systemd,consolekit

Le samedi 07 mai 2011 à 00:47 -0400, Daniel Kahn Gillmor a écrit : 
> i've set up gdm3 to auto-log in my user account on this machine.  The
> user account is not a member of group audio.  I'm also using systemd,
> so the boot ordering might well be non-deterministic.

What you describe sounds like a consolekit startup problem when using

> In the first login session immediately after boot, the gnome volume
> control applet (which i think is mixer_applet2) shows up with a little
> X over the speaker -- it's not muted, it's indicating that the user
> isn't in control of any sound device.  Clicking on the icon doesn't
> bring up any slider or mute checkbox or anything.
> If i right click and choose "open volume control", i do actually get a
> volume control which i can manipulate, though.

So that would be because permissions on /dev/snd/* devices, set by udev
through a consolekit helper, are not set when your session starts, but
they are properly set up later (which means CK has properly registered
your session).

I’m not really used to debugging such issues; I guess you could use a
tool to trace the boot process and try to search why udev-acl is run too

.''`.      Josselin Mouette
: :' :
`. `'
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