pulseaudio crashed with SIGSEGV in __list_del()

[Mark Shuttleworth]

Seems to happen on login every time. Not triggered by any specific user action.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: pulseaudio 1:1.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-7.13-generic 3.2.0-rc7
Uname: Linux 3.2.0-7-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.90-0ubuntu1
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: mark 1683 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 46'
   Mixer name : 'Analog Devices AD1981'
   Components : 'HDA:11d41981,17aa2025,00100200'
   Controls : 20
   Simple ctrls : 11
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7BHT28WW-1.01'
   Mixer name : 'ThinkPad EC 7BHT28WW-1.01'
   Components : ''
   Controls : 2
   Simple ctrls : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
   Playback channels: Mono
   Limits: Playback 0 - 14
   Mono: Playback 10 [71%] [on]
CrashCounter: 1
Date: Thu Jan 5 11:01:36 2012
ExecutablePath: /usr/bin/pulseaudio
ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog
ProcEnviron:
 SHELL=/bin/false
 PATH=(custom, no user)
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
PulseSinks: Error: command ['pacmd', 'list-sinks'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
PulseSources: Error: command ['pacmd', 'list-sources'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
SegvAnalysis:
 Segfault happened at: 0x100ba06 <snd_config_delete+70>: mov %eax,0x4(%edx)
 PC (0x0100ba06) ok
 source "%eax" ok
 destination "0x4(%edx)" (0x09df0eac) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: pulseaudio
StacktraceTop:
 snd_config_delete () from /usr/lib/i386-linux-gnu/libasound.so.2
 snd_config_delete () from /usr/lib/i386-linux-gnu/libasound.so.2
 snd_config_delete () from /usr/lib/i386-linux-gnu/libasound.so.2
 snd_config_delete () from /usr/lib/i386-linux-gnu/libasound.so.2
 snd_config_delete () from /usr/lib/i386-linux-gnu/libasound.so.2
Title: pulseaudio crashed with SIGSEGV in snd_config_delete()
UpgradeStatus: Upgraded to precise on 2011-12-02 (33 days ago)
UserGroups:

dmi.bios.date: 02/13/2006
dmi.bios.vendor: LENOVO
dmi.bios.version: 7BET43WW (1.03 )
dmi.board.name: 17068GG
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:bvr7BET43WW(1.03):bd02/13/2006:svnLENOVO:pn17068GG:pvrThinkPadX60:rvnLENOVO:rn17068GG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 17068GG
dmi.product.version: ThinkPad X60
dmi.sys.vendor: LENOVO

[Apport retracing service (apport)]

StacktraceTop:
 __list_del (next=0x9df0ea8, prev=0x9ff0ea8) at ../include/list.h:85
 list_del (entry=0x9ff0efc) at ../include/list.h:96
 snd_config_delete (config=0x9ff0ee8) at conf.c:1847
 snd_config_delete (config=0x9ff0ea0) at conf.c:1833
 snd_config_delete (config=0x9ff0b80) at conf.c:1833

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.

[Launchpad Janitor (janitor)]

[Expired for pulseaudio (Ubuntu) because there has been no activity for 60 days.]