pulseaudio crashed with SIGABRT in output_free()

[Sidnei da Silva]

Disconnected usb headset.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: pulseaudio 1:4.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-3.7-generic 3.11.0-rc6
Uname: Linux 3.11.0-3-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.12.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: sidnei 16775 F.... pulseaudio
CrashCounter: 1
Date: Mon Aug 26 14:48:03 2013
ExecutablePath: /usr/bin/pulseaudio
InstallationDate: Installed on 2012-09-04 (356 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120901)
MarkForUpload: True
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
ProcEnviron:
 PATH=(custom, user)
 LANGUAGE=en_US
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 ?? () from /usr/lib/pulse-4.0/modules/module-combine-sink.so
 ?? () from /usr/lib/pulse-4.0/modules/module-combine-sink.so
 pa_hook_fire () from /usr/lib/libpulsecore-4.0.so
 pa_sink_unlink () from /usr/lib/libpulsecore-4.0.so
 ?? () from /usr/lib/pulse-4.0/modules/libalsa-util.so
Title: pulseaudio crashed with SIGABRT in pa_hook_fire()
UpgradeStatus: Upgraded to saucy on 2013-05-16 (102 days ago)
UserGroups: adm autopilot cdrom dialout dip libvirtd lpadmin plugdev sambashare sudo
dmi.bios.date: 06/15/09
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP55.88Z.00AC.B03.0906151708
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-F2268AC8
dmi.board.vendor: Apple Inc.
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F2268AC8
dmi.modalias: dmi:bvnAppleInc.:bvrMBP55.88Z.00AC.B03.0906151708:bd06/15/09:svnAppleInc.:pnMacBookPro5,5:pvr1.0:rvnAppleInc.:rnMac-F2268AC8:rvr:cvnAppleInc.:ct10:cvrMac-F2268AC8:
dmi.product.name: MacBookPro5,5
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

[Apport retracing service (apport)]

StacktraceTop:
 output_free (o=o@entry=0x7faac0) at modules/module-combine-sink.c:927
 sink_unlink_hook_cb (c=<optimized out>, s=0x77a700, u=0x7e80f0) at modules/module-combine-sink.c:1112
 pa_hook_fire (hook=0x706b20, data=data@entry=0x77a700) at pulsecore/hook-list.c:106
 pa_sink_unlink (s=0x77a700) at pulsecore/sink.c:684
 userdata_free (u=0x84e150) at modules/alsa/alsa-sink.c:2439

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.