Public bug reported: There is an audio crackle every few seconds when I use headphones. Under the sound tab in settings the "Line Out-Built-in Audio" device flickers at the exact moment there is a crackle. By opening the pavucontrol audio manager I can see the "Built-in Audio Analog Stereo" output device port keeps switching to "Headphones (unplugged)" from "Line Out(plugged in)" for an instance.
ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18 Uname: Linux 4.15.0-38-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: george 10877 F.... pulseaudio /dev/snd/controlC2: george 10877 F.... pulseaudio /dev/snd/controlC0: george 10877 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Wed Oct 31 20:21:09 2018 InstallationDate: Installed on 2018-10-09 (21 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Green Line Out, Rear Symptom_PulseAudioLog: Οκτ 31 18:49:55 LinuxPC dbus-daemon[775]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.38' (uid=1000 pid=1298 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") Οκτ 31 18:49:58 LinuxPC dbus-daemon[775]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.44' (uid=1000 pid=1298 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") Οκτ 31 19:49:44 LinuxPC dbus-daemon[775]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.211' (uid=1000 pid=10877 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [To be filled by O.E.M., Realtek ALC887-VD, Green Line Out, Rear] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/23/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F4 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: Z170-HD3P-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF4:bd11/23/2015:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ170-HD3P-CF:rvrx.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1800899 Title: Line out and headphones audio output keep swithing causing crackles in sound Status in alsa-driver package in Ubuntu: New Bug description: There is an audio crackle every few seconds when I use headphones. Under the sound tab in settings the "Line Out-Built-in Audio" device flickers at the exact moment there is a crackle. By opening the pavucontrol audio manager I can see the "Built-in Audio Analog Stereo" output device port keeps switching to "Headphones (unplugged)" from "Line Out(plugged in)" for an instance. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18 Uname: Linux 4.15.0-38-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: george 10877 F.... pulseaudio /dev/snd/controlC2: george 10877 F.... pulseaudio /dev/snd/controlC0: george 10877 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Wed Oct 31 20:21:09 2018 InstallationDate: Installed on 2018-10-09 (21 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Green Line Out, Rear Symptom_PulseAudioLog: Οκτ 31 18:49:55 LinuxPC dbus-daemon[775]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.38' (uid=1000 pid=1298 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") Οκτ 31 18:49:58 LinuxPC dbus-daemon[775]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.44' (uid=1000 pid=1298 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") Οκτ 31 19:49:44 LinuxPC dbus-daemon[775]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.211' (uid=1000 pid=10877 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [To be filled by O.E.M., Realtek ALC887-VD, Green Line Out, Rear] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/23/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F4 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: Z170-HD3P-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF4:bd11/23/2015:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ170-HD3P-CF:rvrx.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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