alsamixer fails after gdm shutdown

Thank you for taking the time to report this bug and helping to make Ubuntu better. We need some more information from you before we can start working on this bug.

Please include the information requested from the "Reporting Sound Bugs" section of https://wiki.ubuntu.com/DebuggingSoundProblems as separate attachments.

If you are using Jaunty or later this information can be gathered for you automatically using the command apport-collect -p alsa-base BUGNUMBER where BUGNUMBER is the number of the bug you've reported.

AplayDevices: aplay: device_list:223: no soundcards found...
Architecture: i386
ArecordDevices: arecord: device_list:223: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/seq', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/pcmC0D4p', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D3c', '/dev/snd/timer', '/dev/sequencer', '/dev/sequencer2'] failed with exit code 1:
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (gnome-settings-daemon:1510): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:1510): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:1691): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:1696): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (gnome-panel:1690): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -4 and height 24