Although Ubuntu 14.04 is still supported it is due to reach end-of-life next year.
https://wiki.ubuntu.com/Releases I recommend upgrading to a newer version of Ubuntu, not least because PulseAudio 4.0 is very much out of date now and the developers would be unlikely to be able to help (the current PulseAudio version is 11.1). ** Information type changed from Private to Public ** Summary changed: - pulseaudio crashed with SIGABRT in pa_sink_input_process_rewind() + pulseaudio crashed with SIGABRT in pa_sink_input_process_rewind() from pa_sink_process_rewind() from pa_sink_input_set_state_within_thread() -- 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/1769895 Title: pulseaudio crashed with SIGABRT in pa_sink_input_process_rewind() from pa_sink_process_rewind() from pa_sink_input_set_state_within_thread() Status in pulseaudio package in Ubuntu: New Bug description: trying to load module-ladspa-sink with master=uplink (virtual sink) when client was playing stream i.e 1) deadbeef is playing (OK) 2) pacmd load-module module-virtual-source source_name=vsource uplink_sink=uplink (OK) 3) pacmd load-module module-ladspa-sink sink_name=veq master=uplink plugin=ladspa_dsp label=ladspa_dsp:eq (pulseaudio crashed) ProblemType: Crash DistroRelease: Ubuntu 14.04 Package: pulseaudio 1:4.0-0ubuntu11.1 ProcVersionSignature: Ubuntu 3.16.0-77.99~14.04.1-generic 3.16.7-ckt27 Uname: Linux 3.16.0-77-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.27 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: tp 24292 F.... pulseaudio /dev/snd/controlC1: tp 24292 F.... pulseaudio CrashCounter: 1 CurrentDesktop: Unity Date: Tue May 8 16:34:39 2018 ExecutablePath: /usr/bin/pulseaudio InstallationDate: Installed on 2015-07-27 (1016 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) ProcCmdline: /usr/bin/pulseaudio --start --log-target=syslog Signal: 6 SourcePackage: pulseaudio StacktraceTop: pa_sink_input_process_rewind () from /usr/lib/libpulsecore-4.0.so pa_sink_process_rewind () from /usr/lib/libpulsecore-4.0.so pa_sink_input_set_state_within_thread () from /usr/lib/libpulsecore-4.0.so pa_sink_process_msg () from /usr/lib/libpulsecore-4.0.so ?? () from /usr/lib/libpulsecore-4.0.so Title: pulseaudio crashed with SIGABRT in pa_sink_input_process_rewind() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo wireshark dmi.bios.date: 07/23/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2105 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: M4A785TD-V EVO dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 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.:bvr2105:bd07/23/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A785TD-VEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer modified.conffile..etc.pulse.daemon.conf: [modified] mtime.conffile..etc.pulse.daemon.conf: 2017-03-23T19:43:36.853439 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1769895/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp