pulseaudio crashed with SIGABRT in pa_memblock_ref()

[C de-Avillez]

Sudden; the only sound application in use was Mumble. There is bug 857992 that expired, and may (or probably may not, this is sound) be related.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: pulseaudio 1:1.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-9.16-generic 3.2.1
Uname: Linux 3.2.0-9-generic x86_64
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: cerdea 10684 F.... pulseaudio
 /dev/snd/controlC2: cerdea 10684 F.... pulseaudio
 /dev/snd/controlC0: cerdea 10684 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 44'
   Mixer name : 'IDT 92HD81B1C5'
   Components : 'HDA:111d76d5,1028040a,00100104'
   Controls : 15
   Simple ctrls : 10
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 17'
   Mixer name : 'Nvidia GPU 0b HDMI/DP'
   Components : 'HDA:10de000b,10de0101,00100200'
   Controls : 20
   Simple ctrls : 4
Card2.Amixer.info:
 Card hw:2 'Set'/'C-Media USB Headphone Set at usb-0000:00:1d.0-1.4.2, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB0d8c:000c'
   Controls : 7
   Simple ctrls : 3
CheckboxSubmission: c8a7d84e13c3b258e707f056604eb0e0
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Wed Jan 18 10:57:20 2012
ExecutablePath: /usr/bin/pulseaudio
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 pa_memblock_ref (b=<optimized out>) at pulsecore/memblock.c:493
 pa_memblockq_peek (bq=0x28c1f40, chunk=0x7f57d227a530) at pulsecore/memblockq.c:517
 sink_input_pop_cb (i=0x28c24d0, nbytes=816, chunk=0x7f57d227a530) at pulsecore/protocol-native.c:1577
 pa_sink_input_peek (i=0x28c24d0, slength=816, chunk=0x7f57d227a670, volume=0x7f57d227a688) at pulsecore/sink-input.c:812
 fill_mix_info (s=0x2694210, length=0x7f57d227cd18, info=0x7f57d227a670, maxinfo=32) at pulsecore/sink.c:913
Title: pulseaudio crashed with SIGABRT in pa_memblock_ref()
UpgradeStatus: Upgraded to precise on 2012-01-13 (5 days ago)
UserGroups: adm admin cdrom dialout kismet kvm libvirtd lpadmin plugdev sambashare vboxusers
dmi.bios.date: 05/26/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 0K42JR
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA09:bd05/26/2011:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6410
dmi.product.version: 0001
dmi.sys.vendor: Dell Inc.

[Apport retracing service (apport)]

StacktraceTop:
 pa_memblock_ref (b=<optimized out>) at pulsecore/memblock.c:493
 pa_memblockq_peek (bq=0x28c1f40, chunk=0x7f57d227a530) at pulsecore/memblockq.c:517
 sink_input_pop_cb (i=0x28c24d0, nbytes=816, chunk=0x7f57d227a530) at pulsecore/protocol-native.c:1577
 pa_sink_input_peek (i=0x28c24d0, slength=816, chunk=0x7f57d227a670, volume=0x7f57d227a688) at pulsecore/sink-input.c:812
 fill_mix_info (s=0x2694210, length=0x7f57d227cd18, info=0x7f57d227a670, maxinfo=32) at pulsecore/sink.c:913

[Launchpad Janitor (janitor)]

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