I can confirm that the same problem occurs in Edgy. However, after
updating my ALSA modules to the latest RC (1.1.13rc1, I believe?), I was
pleasantly surprised to find that PCM is now capable of fully
controlling the volume.

Browsing through the changelog, it mentions a bugfix for my laptop (Acer
with ALC883 codec). Over at the forums, there are 3 or 4 Acer laptop
owners reporting a problem where they do not get any sound on Dapper or
Edgy, but after upgrading to the latest Alsa RC, they get sound.


So, if Edgy (at least), and hopefully Dapper can get this Alsa fix backported, 
that would close this problem.

** Also affects: linux-source-2.6.17 (Ubuntu)
   Importance: Untriaged
       Status: Unconfirmed

** Changed in: linux-source-2.6.17 (Ubuntu)
       Status: Unconfirmed => Confirmed

-- 
snd_hda: Default mixer channel is PCM instead of Front
https://launchpad.net/bugs/45167

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