Comment 5 for bug 592016

This appears to be a continuing issue for many - whether the volume is actually muted or just set to 0 at boot.
Commenting the mentioned line does resolve for most ...

( The pcm levels I mentioned in previous post (5.1 output), were the actual pcm's that affected the various channel levels - not the "pcm" level which affects nothing. (in a 5.1 setup