Public bug reported: Something got wrong with audio on my laptop, where for the first 6 weeks using Focal it was working ok, both sound and mic.
Lenovo Yoga S940 Intel® Core™ i7-1065G7 CPU @ 1.30GHz × 8 Mesa Intel® Iris(R) Plus Graphics (ICL GT2) Ubuntu 20.04 focal $ uname -r 5.4.0-31-generic $ lspci | grep Audio 00:1f.3 Multimedia audio controller: Intel Corporation Smart Sound Technology Audio Controller (rev 30) $ aplay -l aplay: device_list:274: no soundcards found... $ cat /proc/asound/cards --- no soundcards --- This got worst from this: https://bugs.launchpad.net/linux/+bug/1845797 But for a while, all focal kernel until the last one, it was working properly, now the whole audio is gone despite lspci still see the Audio Controller. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34 Uname: Linux 5.4.0-31-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Tue May 26 22:57:56 2020 InstallationDate: Installed on 2020-04-16 (40 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200415.2) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Title: PCI/internal sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/21/2019 dmi.bios.vendor: LENOVO dmi.bios.version: BQCN29WW dmi.board.asset.tag: No Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo Yoga S940-14IIL dmi.modalias: dmi:bvnLENOVO:bvrBQCN29WW:bd10/21/2019:svnLENOVO:pn81Q8:pvrLenovoYogaS940-14IIL:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoYogaS940-14IIL: dmi.product.family: Yoga S940-14IIL dmi.product.name: 81Q8 dmi.product.sku: LENOVO_MT_81Q8_BU_idea_FM_Yoga S940-14IIL dmi.product.version: Lenovo Yoga S940-14IIL dmi.sys.vendor: LENOVO ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ** Attachment added: "lspci -b -vv" https://bugs.launchpad.net/bugs/1880766/+attachment/5377118/+files/lspci -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880766 Title: PCI/internal sound card not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1880766/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
