[soundnua]: gnome-control-center crashed with SIGSEGV in gtk_tree_model_sort_iter_has_child()

Clicking on Sound in gnome-control-center makes it crash.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.3.5-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
ApportVersion: 1.92-0ubuntu1
Architecture: amd64
Date: Mon Feb 20 15:21:35 2012
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120208)
ProcCmdline: gnome-control-center
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANGUAGE=en_CA:en
 LANG=en_CA.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7ff777c00ac5 <gtk_tree_model_get_valist+261>: mov 0x30(%rax),%rdx
 PC (0x7ff777c00ac5) ok
 source "0x30(%rax)" (0x00000030) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 gtk_tree_model_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 gtk_tree_model_get () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/control-center-1/panels/libsoundnua.so
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: [soundnua]: gnome-control-center crashed with SIGSEGV in gtk_tree_model_get_valist()
UpgradeStatus: Upgraded to precise on 2012-02-17 (2 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.1-0ubuntu2
 deja-dup 21.2-0ubuntu4
 gnome-bluetooth 3.2.2-0ubuntu1
 indicator-datetime 0.3.1-0ubuntu5