I can see a few audio-related error messages in your kernel log. But even if that wasn't true then I would still suggest this is most likely a kernel bug.
In case the problem happens to be pulseaudio crashing, please follow these instructions first: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment If you couldn't find any evidence of 'pulseaudio' crashing in the past then please try some slightly older (or newer) kernels and tell us if you find some that don't have the bug: https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete ** Also affects: pulseaudio (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete ** Summary changed: - [HDA-Intel - HDA Intel PCH, playback] No sound at all + [Lenovo IdeaPad 330] No sound at all ** Summary changed: - [Lenovo IdeaPad 330] No sound at all + [Lenovo IdeaPad 330-15IGM] No sound at all ** Summary changed: - [Lenovo IdeaPad 330-15IGM] No sound at all + [Lenovo IdeaPad 330-15IGM] No sound at all after resuming from sleep ** Tags added: resume suspend-resume -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1827460 Title: [Lenovo IdeaPad 330-15IGM] No sound at all after resuming from sleep Status in alsa-driver package in Ubuntu: Incomplete Status in linux package in Ubuntu: Incomplete Status in pulseaudio package in Ubuntu: Incomplete Bug description: My Lenovo ideapad 330 laptop with Ubuntu 18.04 sounds works fine initially. However, when I close it down (to sleep) and then return, all the sound disappears. The only way to get back the sound is to restart the laptop. The issue seem to start after a recent automatic update. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.15.0-48.51-generic 4.15.18 Uname: Linux 4.15.0-48-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: rickodesea 1545 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Thu May 2 22:49:12 2019 InstallationDate: Installed on 2019-03-28 (36 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) 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_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gdm 1139 F.... pulseaudio rickodesea 1545 F.... pulseaudio Symptom_Type: No sound at all Title: [HDA-Intel - HDA Intel PCH, playback] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/18/2018 dmi.bios.vendor: LENOVO dmi.bios.version: 7XCN29WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40700 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ideapad 330-15IGM dmi.modalias: dmi:bvnLENOVO:bvr7XCN29WW:bd12/18/2018:svnLENOVO:pn81D1:pvrLenovoideapad330-15IGM:rvnLENOVO:rnLNVNB161216:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrLenovoideapad330-15IGM: dmi.product.family: ideapad 330-15IGM dmi.product.name: 81D1 dmi.product.version: Lenovo ideapad 330-15IGM dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1827460/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
