pulseaudio crashed with SIGABRT in main()

[Thomas]

Apport opened at boottime just after loging in.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: pulseaudio 1:6.0-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0
Uname: Linux 3.18.0-13-generic x86_64
ApportVersion: 2.16.2-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: thomas 1453 F.... pulseaudio
Date: Tue Mar 10 14:43:51 2015
ExecutablePath: /usr/bin/pulseaudio
ExecutableTimestamp: 1424647281
InstallationDate: Installed on 2015-01-27 (42 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
ProcCwd: /
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 ?? () from /usr/lib/libpulsecore-6.0.so
 main ()
Title: pulseaudio crashed with SIGABRT in main()
UpgradeStatus: Upgraded to vivid on 2015-01-27 (41 days ago)
UserGroups:

dmi.bios.date: 04/09/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F6 v01.09
dmi.board.name: 3029h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CZC9252GWM
dmi.chassis.type: 4
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr786F6v01.09:bd04/09/2008:svnHewlett-Packard:pnHPCompaqdc5850SmallFormFactor:pvr:rvnHewlett-Packard:rn3029h:rvr:cvnHewlett-Packard:ct4:cvr:
dmi.product.name: HP Compaq dc5850 Small Form Factor
dmi.sys.vendor: Hewlett-Packard

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1425447, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.