Public bug reported: Crackling sound on headphones.
Sometimes sound is good after reboot and fails after some time or after suspend ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-91.102-generic 5.4.151 Uname: Linux 5.4.0-91-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: arturo 7203 F.... pulseaudio /dev/snd/pcmC0D0c: arturo 7203 F...m pulseaudio /dev/snd/pcmC0D0p: arturo 7203 F...m pulseaudio /dev/snd/timer: arturo 7203 f.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Tue Dec 28 20:10:43 2021 InstallationDate: Installed on 2020-12-28 (365 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Black Headphone Out, Left Symptom_PulseAudioLog: Dec 28 18:32:06 arturo-HP-Pavilion-Laptop-15-cs0xxx dbus-daemon[1101]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by ':1.31' (uid=121 pid=1346 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined") Dec 28 18:33:01 arturo-HP-Pavilion-Laptop-15-cs0xxx systemd[1329]: pulseaudio.service: Succeeded. Dec 28 18:33:11 arturo-HP-Pavilion-Laptop-15-cs0xxx systemd[1329]: pulseaudio.socket: Succeeded. Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [HP Pavilion Laptop 15-cs0xxx, Realtek ALC295, Black Headphone Out, Left] Underruns, dropouts or crackling sound UpgradeStatus: Upgraded to focal on 2021-06-01 (210 days ago) dmi.bios.date: 07/06/2018 dmi.bios.vendor: Insyde dmi.bios.version: F.04 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: 84BE dmi.board.vendor: HP dmi.board.version: 02.12 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsyde:bvrF.04:bd07/06/2018:svnHP:pnHPPavilionLaptop15-cs0xxx:pvrType1ProductConfigId:rvnHP:rn84BE:rvr02.12:cvnHP:ct10:cvrChassisVersion: dmi.product.family: 103C_5335KV HP Pavilion dmi.product.name: HP Pavilion Laptop 15-cs0xxx dmi.product.sku: 5GP03UA#ABA dmi.product.version: Type1ProductConfigId dmi.sys.vendor: HP mtime.conffile..etc.modprobe.d.alsa-base.conf: 2021-12-28T18:31:00.020746 ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1955943 Title: [HP Pavilion Laptop 15-cs0xxx, Realtek ALC295, Black Headphone Out, Left] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1955943/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs