Bug 561311

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Under a clean GNOME install, the sound is very distorted when volume is not at 100%

This happen with every application.

I tested with a SB PCI Card (using EMU10k1) and an onboard card (VIA).

Tried with KDE and everything works fine, so I it should be related to PA (this didn't happen on 11.0)

Don't know what to attach, the only related lines in messages log is:

[CODE]
Dec  1 19:18:34 banshee pulseaudio[8129]: alsa-sink.c: ALSA woke us
to write new data to the device, but in reality there is nothing
to write!
Dec  1 19:18:34 banshee pulseaudio[8129]: alsa-sink.c: Probably
a bug in the ALSA driver 'snd_emu10k1'. Please report this to
ALSA developers.
Dec  1 19:18:34 banshee pulseaudio[8129]: alsa-sink.c: We awoke
with POLLOUT post - however, a call to snd_pcm_avail ()
returned 0 or another value <min_avail.
[/CODE]

PS: the real messages were in Spanish, so the ones you see are a translation.

Reproducible: Always

Steps to Reproduce:
1. Start any application (let's say a youtube video, or mplayer)
2. Put volume at 100%, sound should be fine.
3. Slide the volume control, the sound will be distorted (maybe it will sound ok at about 20%)