my sound does not work

[marcos.goval]

my sound Azalia Audio Controller not working, tabem not appear in preferences sound \ hardware.

However the icon of sound is as if perfect

ProblemType: Bug
Architecture: i386
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/pcmC0D6c', '/dev/snd/pcmC0D6p', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D1', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer', '/dev/sequencer', '/dev/sequencer2'] failed with exit code 1:
Card0.Amixer.info:
 Card hw:0 'SIS966'/'HDA SIS966 at 0xb0100000 irq 18'
   Mixer name : 'Realtek ALC662 rev1'
   Components : 'HDA:10ec0662,10190000,00100101 HDA:10573055,10190000,00100700'
   Controls : 19
   Simple ctrls : 13
CheckboxCommand: alsa_record_playback
CheckboxData: nao funciona
CheckboxDescription:
 Connect a microphone to your microphone port. Click the Test button, then speak into the microphone. After a few seconds, your speech will be played back to you.

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CheckboxTest: alsa_record_playback_external
Date: Sat Oct 31 10:54:04 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
 SHELL=/bin/bash
 LANG=pt_BR.UTF-8
 LANGUAGE=pt_BR.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: alsa-driver
Tags: checkbox-bug
Uname: Linux 2.6.31-14-generic i686
XsessionErrors:
 (gnome-settings-daemon:1533): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:1533): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:1566): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:1577): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Daniel T Chen (crimsun)]

Please see https://wiki.ubuntu.com/PulseAudio/Log