Updating the BIOS fixed the issue for me. Please consider whether the bug requires further investigation.
-- 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/1814921 Title: Soundcard isn't recognized after update Status in linux package in Ubuntu: Confirmed Bug description: After last update soundcard stopped working. $ sudo aplay -l aplay: device_list:268: no soundcards found... ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-141-generic 4.4.0-141.167 ProcVersionSignature: Ubuntu 4.4.0-141.167-generic 4.4.162 Uname: Linux 4.4.0-141-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: Unity Date: Wed Feb 6 15:49:19 2019 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=3f6d36fa-7c5e-4a8e-843f-d38f6177dbf0 InstallationDate: Installed on 2017-02-18 (717 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: System manufacturer System Product Name ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-141-generic.efi.signed root=UUID=0e8ab561-3465-4757-8331-5ee5a859f119 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-141-generic N/A linux-backports-modules-4.4.0-141-generic N/A linux-firmware 1.157.21 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/27/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3016 dmi.board.asset.tag: Default string dmi.board.name: Z170I PRO GAMING dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3016:bd12/27/2016:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnZ170IPROGAMING:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer --- ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 EcryptfsInUse: Yes InstallationDate: Installed on 2017-02-18 (717 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) Package: alsa-base 1.0.25+dfsg-0ubuntu5 PackageArchitecture: all ProcVersionSignature: Ubuntu 4.4.0-141.167-generic 4.4.162 Tags: xenial Uname: Linux 4.4.0-141-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/27/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3016 dmi.board.asset.tag: Default string dmi.board.name: Z170I PRO GAMING dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3016:bd12/27/2016:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnZ170IPROGAMING:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814921/+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
