[bluez] pulseaudio crashed with SIGABRT in pa_xmalloc() from memblock_new_appended() from pa_memblock_new() from pa_memchunk_make_writable() from pa_sink_render_full()

https://errors.ubuntu.com/problem/66febb97e783ee9f6d754cb72d5cc66f9f36b6d7

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Crash during Rhythmbox playback via Bluetooth Headset. Audio switch from Bluetooth Headset back to Laptop Speaker. First crash over 25 Hours of playback with this combination.

Lenovo Thinkpad X121e E-300 and Arctic Sound P311 Headset.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: pulseaudio 1:1.1-0ubuntu15
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 1: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: michael 4582 F.... pulseaudio
 /dev/snd/pcmC1D0p: michael 4582 F...m pulseaudio
 /dev/snd/controlC0: michael 4582 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Generic'/'HD-Audio Generic at 0xf0344000 irq 45'
   Mixer name : 'ATI R6xx HDMI'
   Components : 'HDA:1002aa01,00aa0100,00100200'
   Controls : 6
   Simple ctrls : 1
Card0.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Card1.Amixer.info:
 Card hw:1 'SB'/'HDA ATI SB at 0xf0340000 irq 16'
   Mixer name : 'Conexant CX20590'
   Components : 'HDA:14f1506e,17aa21ec,00100002'
   Controls : 8
   Simple ctrls : 5
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
   Mixer name : 'ThinkPad EC (unknown)'
   Components : ''
   Controls : 1
   Simple ctrls : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Sat Apr 14 00:38:14 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/pulseaudio
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120327.1)
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 raise () from /lib/x86_64-linux-gnu/libc.so.6
 abort () from /lib/x86_64-linux-gnu/libc.so.6
 pa_xmalloc () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
 pa_memblock_new () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
 pa_memchunk_make_writable () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
Title: pulseaudio crashed with SIGABRT in raise()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XsessionErrors:
 (nm-applet:1886): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed
 (gnome-settings-daemon:1837): media-keys-plugin-WARNING **: Unable to get default sink
dmi.bios.date: 11/15/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8RET52WW (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 3051A79
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8RET52WW(1.15):bd11/15/2011:svnLENOVO:pn3051A79:pvrThinkPadX121e:rvnLENOVO:rn3051A79:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 3051A79
dmi.product.version: ThinkPad X121e
dmi.sys.vendor: LENOVO