*** This bug is a duplicate of bug 1861237 *** https://bugs.launchpad.net/bugs/1861237
** This bug is no longer a duplicate of bug 1867474 [Dell Vostro 5590] PCI/internal sound card not detected ** This bug has been marked a duplicate of bug 1861237 Audio not detected on X1 Yoga 4th -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1867626 Title: Audio doesn´t work on ThinkPad X1 Yoga 4th Gen after linux 5.4.0 update Status in linux-5.4 package in Ubuntu: New Status in linux-firmware package in Ubuntu: New Bug description: This is the output of dmesg |grep 'audio\|snd': [ 5.770962] snd_hda_intel 0000:00:1f.3: Digital mics found on Skylake+ platform, aborting probe [ 5.930352] sof-audio-pci 0000:00:1f.3: warning: No matching ASoC machine driver found [ 5.930361] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040380 [ 5.930980] sof-audio-pci 0000:00:1f.3: use msi interrupt mode [ 5.940982] sof-audio-pci 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) [ 5.953977] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 5 [ 5.953979] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now [ 5.997753] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/sof-cnl.ri failed with error -2 [ 5.997757] sof-audio-pci 0000:00:1f.3: error: request firmware intel/sof/sof-cnl.ri failed err: -2 [ 5.997761] sof-audio-pci 0000:00:1f.3: error: failed to load DSP firmware -2 [ 5.997763] sof-audio-pci 0000:00:1f.3: error: sof_probe_work failed err: -2 Similar issue is repoted to arch linux: https://bbs.archlinux.org/viewtopic.php?id=251157 and https://bugs.archlinux.org/task/64720 A workaround is to use the snd_hda_intel.dmic_detect=0 module setting ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-modules-extra-5.4.0-14-generic 5.4.0-14.17 ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18 Uname: Linux 5.4.0-14-generic x86_64 ApportVersion: 2.20.11-0ubuntu20 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: ubuntu:GNOME Date: Mon Mar 16 14:17:17 2020 InstallationDate: Installed on 2019-10-18 (150 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: LENOVO 20QGSITE06 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-14-generic root=UUID=02a314de-7049-43d6-97e8-b79b993c30cb ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-14-generic N/A linux-backports-modules-5.4.0-14-generic N/A linux-firmware 1.186 SourcePackage: linux-5.4 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/18/2019 dmi.bios.vendor: LENOVO dmi.bios.version: N2HET17W (1.00 ) dmi.board.asset.tag: Not Available dmi.board.name: 20QGSITE06 dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 31 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2HET17W(1.00):bd04/18/2019:svnLENOVO:pn20QGSITE06:pvrThinkPadX1Yoga4th:rvnLENOVO:rn20QGSITE06:rvrNotDefined:cvnLENOVO:ct31:cvrNone: dmi.product.family: ThinkPad X1 Yoga 4th dmi.product.name: 20QGSITE06 dmi.product.sku: LENOVO_MT_20QG_BU_Think_FM_ThinkPad X1 Yoga 4th dmi.product.version: ThinkPad X1 Yoga 4th dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-5.4/+bug/1867626/+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