Fedora 12: no sound after switch users


Following on from another thread (in which gdm seemed to be stealing
sound-ability from users), I've updated to the latest pulseuadio RPMs from
updates-testing, and by situation seems to have gotten worse.

(NB: this is fedora 12; it was all working swimmingly in fedora 10, from
which I upgraded a few weeks back).


After a reboot, I log in. I have sound, no problems AFAICT. If I then
switch users for my wife to log in (while I remain logged in), she gets no
sound at all.

A quick investigation shows that her PA config. has dropped back to a
'dummy' output device. I can switch back to my login and hear my sound
again, but nothing i can do can get hers working again.

I am utterly at a loss as to how to debug/diagnose pulseaudio, it's gone
well beyond my ken; can anyone help point me in the right direction?

Here's the output of 'pulseaudio -vvv' :

https://www.fnxweb.co.uk/fnx/data/pa.out


And the two log files generated by system-config-sound (or whatever it's
called) run (as root) whilst logged in as my wife:

https://www.fnxweb.co.uk/fnx/data/scsconfig.log
https://www.fnxweb.co.uk/fnx/data/scsrun.log


I did notice some failed device access in the pa.out file, namely
"/dev/snd/pcmC7D0p", but that device isn't on my system. I have:

drwxr-xr-x 2 root root 80 2010-03-07 16:41 by-id/
drwxr-xr-x 2 root root 100 2010-03-07 16:41 by-path/
crw-rw----+ 1 root audio 116, 10 2010-03-07 16:41 controlC0
crw-rw----+ 1 root audio 116, 14 2010-03-07 16:41 controlC1
crw-rw----+ 1 root audio 116, 12 2010-03-07 16:41 controlC7
crw-rw----+ 1 root audio 116, 9 2010-03-07 16:43 pcmC0D0c
crw-rw----+ 1 root audio 116, 8 2010-03-07 16:45 pcmC0D0p
crw-rw----+ 1 root audio 116, 7 2010-03-07 16:41 pcmC0D1c
crw-rw----+ 1 root audio 116, 6 2010-03-07 16:41 pcmC0D2c
crw-rw----+ 1 root audio 116, 5 2010-03-07 16:41 pcmC0D3c
crw-rw----+ 1 root audio 116, 4 2010-03-07 16:43 pcmC0D4p
crw-rw----+ 1 root audio 116, 13 2010-03-07 16:53 pcmC1D0c
crw-rw----+ 1 root audio 116, 11 2010-03-07 16:53 pcmC7D0c
crw-rw----+ 1 root audio 116, 3 2010-03-07 16:41 seq
crw-rw----+ 1 root audio 116, 2 2010-03-07 16:41 timer

--
[neil@fnx ~]# rm -f .signature
[neil@fnx ~]# ls -l .signature
ls: .signature: No such file or directory
[neil@fnx ~]# exit
--
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