It appears your pulseaudio is not running, which is why there is no sound: !!Sound Servers on this system !!----------------------------
Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No -- 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/1788471 Title: There is no sound when you turn on the tube. Sometimes the sound is. I do not understand why this is so Status in pulseaudio package in Ubuntu: Incomplete Bug description: There is no sound when you turn on the tube. Sometimes the sound is. I do not understand why this is so ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: pulseaudio 1:11.1-1ubuntu7.1 Uname: Linux 4.16.0-rc3-stockmind-gpdpocket x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/pcmC1D1p', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/controlC1', '/dev/snd/by-path', '/dev/snd/pcmC0D2p', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer', '/dev/sequencer2', '/dev/sequencer'] failed with exit code 1: CurrentDesktop: ubuntu:GNOME Date: Wed Aug 22 22:04:28 2018 InstallationDate: Installed on 2018-08-13 (8 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. SourcePackage: pulseaudio Symptom: audio UpgradeStatus: Upgraded to bionic on 2018-08-13 (8 days ago) dmi.bios.date: 08/07/2017 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5.11 dmi.board.asset.tag: Default string dmi.board.name: Default string dmi.board.vendor: AMI Corporation dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.11:bd08/07/2017:svnDefaultstring:pnDefaultstring:pvrDefaultstring:rvnAMICorporation:rnDefaultstring:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: Default string dmi.product.version: Default string dmi.sys.vendor: Default string To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1788471/+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