Thank you for reporting this bug to Ubuntu. Ubuntu 12.10 (quantal) reached end-of-life on May 16, 2014.
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. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1060640 Title: pulseaudio crashed with SIGSEGV in pa_object_cast() Status in pulseaudio package in Ubuntu: Incomplete Bug description: unplugged pc speaker error displays. ProblemType: Crash DistroRelease: Ubuntu 12.10 Package: pulseaudio 1:2.1-0ubuntu3 ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4 Uname: Linux 3.5.0-16-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.6.1-0ubuntu1 Architecture: i386 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D2p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Wed Oct 3 13:24:09 2012 Disassembly: => 0x0: Cannot access memory at address 0x0 ExecutablePath: /usr/bin/pulseaudio InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta i386 (20121001) ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog ProcEnviron: SHELL=/bin/bash PATH=(custom, no user) LANGUAGE=en_PH:en LANG=en_PH.UTF-8 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. SegvAnalysis: Segfault happened at: 0x0: Cannot access memory at address 0x0 PC (0x00000000) not located in a known VMA region (needed executable region)! Stack memory exhausted (SP below stack segment) SegvReason: executing NULL VMA Signal: 11 SourcePackage: pulseaudio StacktraceTop: ?? () ?? () from /usr/lib/pulse-2.1/modules/libalsa-util.so ?? () from /usr/lib/i386-linux-gnu/pulseaudio/libpulsecommon-2.1.so start_thread () from /lib/i386-linux-gnu/libpthread.so.0 clone () from /lib/i386-linux-gnu/libc.so.6 Title: pulseaudio crashed with SIGSEGV in start_thread() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo XsessionErrors: (gnome-settings-daemon:2133): color-plugin-WARNING **: There is no colord server available dmi.bios.date: 02/04/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0415 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5KPL-AM EPU dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: x.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0415:bd02/04/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5KPL-AMEPU:rvrx.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1060640/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp