pulseaudio volume differs from alsa volume

[Nicolò Chieffo]

I've found a really strange problem in alsa and pulseaudio with my
intel H.D.A. chip (on a clean Jaunty install)
I opened alsamixer in a terminal, and gnome-volume-control (set the
view to playback: HDA intel STAC92xx).

now, watching both at the same time, I tried to change the alsa
volume, and I found this really strange thing:
there is no 1:1 proportion in the 2 volumes.
In fact, alsa 36% is pulseaudio 0%

This is quite bad! since the volume is mute at 36%!!!

does this happen to you?
do I need to file a bug to alsa or pulseaudio?