Thank you for reporting this bug to Ubuntu. Ubuntu 17.10 (artful) reached end-of-life on July 19, 2018.
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. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1712529 Title: pulseaudio crashed with SIGABRT in pa_source_output_attach() Status in pulseaudio package in Ubuntu: Incomplete Bug description: Just upgraded packages in 17.10 dev and rebooted and this crash popped out. ProblemType: Crash DistroRelease: Ubuntu 17.10 Package: pulseaudio 1:10.0-2ubuntu2 ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8 Uname: Linux 4.12.0-12-generic x86_64 ApportVersion: 2.20.6-0ubuntu6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: shemgp 15659 F.... pulseaudio CrashCounter: 1 CurrentDesktop: GNOME Date: Wed Aug 23 17:02:31 2017 EcryptfsInUse: Yes ExecutablePath: /usr/bin/pulseaudio InstallationDate: Installed on 2015-09-28 (694 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog ProcEnviron: LANGUAGE=en_PH:en PATH=(custom, user) XDG_RUNTIME_DIR=<set> LANG=en_PH.UTF-8 SHELL=/bin/bash Signal: 6 SourcePackage: pulseaudio StacktraceTop: pa_source_output_attach () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-10.0.so pa_source_attach_within_thread () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-10.0.so ?? () from /usr/lib/pulse-10.0/modules/module-echo-cancel.so pa_source_process_msg () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-10.0.so ?? () from /usr/lib/pulse-10.0/modules/libalsa-util.so Title: pulseaudio crashed with SIGABRT in pa_source_output_attach() UpgradeStatus: Upgraded to artful on 2017-08-12 (10 days ago) UserGroups: adm cdrom dip docker fuse kismet libvirt libvirtd lp lpadmin lxd mail mythtv netdev plugdev sambashare sbuild scanner sudo video dmi.bios.date: 09/24/2015 dmi.bios.vendor: LENOVO dmi.bios.version: GCETA3WW (2.63 ) dmi.board.asset.tag: Not Available dmi.board.name: 34361A0 dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGCETA3WW(2.63):bd09/24/2015:svnLENOVO:pn34361A0:pvrThinkPadX220:rvnLENOVO:rn34361A0:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.family: ThinkPad X220 dmi.product.name: 34361A0 dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1712529/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

