unity-control-center crashed with SIGABRT in pa_ext_stream_restore_write()

[Andrea Merli]

testing headphones

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-control-center 14.04.3+14.04.20140324-0ubuntu1
Uname: Linux 3.13.0-031300-generic i686
NonfreeKernelModules: openafs
ApportVersion: 2.13.3-0ubuntu1
Architecture: i386
CurrentDesktop: Unity
Date: Tue Mar 25 11:05:29 2014
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2013-05-09 (319 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
ProcCmdline: unity-control-center sound
ProcEnviron:
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: unity-control-center
StacktraceTop:
 pa_ext_stream_restore_write () from /usr/lib/i386-linux-gnu/libpulse.so.0
 ?? () from /usr/lib/i386-linux-gnu/unity-control-center-1/panels/libsound.so
 ?? () from /usr/lib/i386-linux-gnu/unity-control-center-1/panels/libsound.so
 ?? () from /usr/lib/i386-linux-gnu/unity-control-center-1/panels/libsound.so
 g_cclosure_marshal_VOID__PARAM () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: unity-control-center crashed with SIGABRT in pa_ext_stream_restore_write()
UpgradeStatus: Upgraded to trusty on 2014-03-24 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo www-data
usr_lib_unity-control-center: gnome-control-center 1:3.6.3-0ubuntu54

[Apport retracing service (apport)]

StacktraceTop:
 pa_ext_stream_restore_write (c=0x84f9d18, mode=mode@entry=PA_UPDATE_REPLACE, data=data@entry=0xbfbce86c, n=n@entry=1, apply_immediately=apply_immediately@entry=1, cb=cb@entry=0x0, userdata=userdata@entry=0x0) at pulse/ext-stream-restore.c:200
 update_settings (role=0x83b76e8, is_muted=0, op=0x0) at gvc-mixer-event-role.c:76
 gvc_mixer_stream_change_is_muted (stream=0x83b76e8, is_muted=is_muted@entry=0) at gvc-mixer-stream.c:791
 on_bar_is_muted_notify (object=0x84fb3f0, pspec=0x8a80a78, dialog=0x839a3f0) at gvc-mixer-dialog.c:536
 g_cclosure_marshal_VOID__PARAM (closure=0x8a9caf8, return_value=0x0, n_param_values=2, param_values=0xbfbceb50, invocation_hint=0xbfbceafc, marshal_data=0x0) at /build/buildd/glib2.0-2.39.92/./gobject/gmarshal.c:1042