pulseaudio crashed with SIGABRT in pa_alsa_path_set_volume()

?

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: pulseaudio 1:8.0-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-5.20-generic 4.4.1
Uname: Linux 4.4.0-5-generic i686
ApportVersion: 2.20-0ubuntu2
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: halo 3047 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Feb 16 12:12:44 2016
ExecutablePath: /usr/bin/pulseaudio
InstallationDate: Installed on 2016-02-16 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha i386 (20160215)
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 pa_alsa_path_set_volume () from /usr/lib/pulse-8.0/modules/libalsa-util.so
 ?? () from /usr/lib/pulse-8.0/modules/libalsa-util.so
 pa_source_process_msg () from /usr/lib/i386-linux-gnu/pulseaudio/libpulsecore-8.0.so
 ?? () from /usr/lib/pulse-8.0/modules/libalsa-util.so
 ?? () from /usr/lib/i386-linux-gnu/pulseaudio/libpulsecore-8.0.so
Title: pulseaudio crashed with SIGABRT in pa_alsa_path_set_volume()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH