Thanks to all for your answers and the hint about checking the OpenAL 
configuration - the
problem was caused by a stale .alsoftrc config file that had persisted in my 
home
directory across the OS upgrade. Sorry for the noise...

Maxime

On Thu, 24 May 2012 10:13:31 +0200 (CEST)
Anders Gidenstam <anders-...@gidenstam.org> wrote:
> On Thu, 24 May 2012, Maxime Guillaud wrote:
> 
> > What I find suspicious is that no sound devices at all are detected, 
> > although I
> > believe I have ALSA and Pulseaudio properly installed (including -dev 
> > packages).
> >
> > Any clues about what is going on and how to further debug this ?
> 
> You OpenAL intsallation might not be properly configured, check your
> /etc/openal/alsoft.conf
> and/or
> ~/.alsoftrc
> files. (If you have OpenAL-soft. The location in /etc may vary with 
> the distribution.)
> 
> On my system I have
> anders@sleipner:~$ cat ~/.alsoftrc
> format = AL_FORMAT_STEREO16
> cf_level = 2
> drivers = alsa
> [alsa]  # ALSA backend stuff
> device = plug:dmix
> capture = plug:dsnoop
> [wave]
> file = /dev/null
> 
> to make OpenAL use ALSA.
> 
> Cheers,
> 
> Anders


-- 
sent from my armchair

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