Similar problem with: - Ubuntu 20.04 LTS - Fujitsu LifeBook A530 - $ lspci | grep Audio 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
THE PROBLEM: No sound. Gnome audio system settings shows "Dummy Audio" as output device. Trying with Lubuntu 20.04 on a different partition there's the same problem but running PulseAudio Volume Control it's possible to select: "analog stereo duplex" or "analog stereo output". Unfortunately there is no setting like this for Gnome. WORKAROUND: As reported here https://forum.ubuntu-it.org/viewtopic.php?t=413914 it seems to be a problem related to udev which doesn't find the audio card. 1. Inside /etc/pulse/default.pa find the following code: .ifexists module-udev-detect.so load-module module-udev-detect .else ### Alternatively use the static hardware detection module (for systems that ### lack udev support) load-module module-detect .endif 2. Comment the if/else statement: ### Automatically load driver modules depending on the hardware available #.ifexists module-udev-detect.so #load-module module-udev-detect #.else ### Alternatively use the static hardware detection module (for systems that ### lack udev support) load-module module-detect #.endif 3. Save the file and restart. -- 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/1864871 Title: Failed to init Intel sound card in 20.04 Status in linux package in Ubuntu: Confirmed Bug description: After installing current 20.04 release on ThinkBook 13s IML with Intel audio card there is no sound available because sound card not detected (only dummy output available in sound settings): $ alsamixer cannot open mixer: No such file or directory $ lspci -nnk |grep -A2 audio lspci: Unable to load libkmod resources: error -12 00:1f.3 Multimedia audio controller [0401]: Intel Corporation Device [8086:02c8] Subsystem: Lenovo Device [17aa:3816] Kernel driver in use: sof-audio-pci 00:1f.4 SMBus [0c05]: Intel Corporation Device [8086:02a3] Subsystem: Lenovo Device [17aa:3819] $ pacmd list-cards 0 card(s) available. $ dmesg |grep sof [ 0.755398] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.755400] software IO TLB: mapped [mem 0x7d91d000-0x8191d000] (64MB) [ 2.142149] systemd[1]: Mounting Mount unit for software-boutique, revision 54... [ 2.333772] systemd[1]: Mounted Mount unit for software-boutique, revision 54. [ 2.770307] sof-audio-pci 0000:00:1f.3: warning: No matching ASoC machine driver found [ 2.770316] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040100 [ 2.770473] sof-audio-pci 0000:00:1f.3: use msi interrupt mode [ 2.770696] sof-audio-pci 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) [ 2.779359] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 5 [ 2.779360] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now [ 2.817051] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/sof-cnl.ri failed with error -2 [ 2.817054] sof-audio-pci 0000:00:1f.3: error: request firmware intel/sof/sof-cnl.ri failed err: -2 [ 2.817057] sof-audio-pci 0000:00:1f.3: error: failed to load DSP firmware -2 [ 2.817058] sof-audio-pci 0000:00:1f.3: error: sof_probe_work failed err: -2 I've found similar bug reported here: https://bugs.archlinux.org/task/64720 As a workaround I've added `snd_hda_intel.dmic_detect=0` to boot options and after that sound card successfully detected and started working. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-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: 2.20.11-0ubuntu18 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: MATE Date: Wed Feb 26 19:22:05 2020 InstallationDate: Installed on 2020-02-25 (1 days ago) InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Alpha amd64 (20200221) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 04f3:0c02 Elan Microelectronics Corp. ELAN:Fingerprint Bus 001 Device 002: ID 04f2:b61e Chicony Electronics Co., Ltd Integrated Camera Bus 001 Device 004: ID 8087:0aaa Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 20RR ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-14-generic root=UUID=94f1e507-a44a-46a8-9163-548d27303afb 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: 10/29/2019 dmi.bios.vendor: LENOVO dmi.bios.version: CQCN24WW dmi.board.asset.tag: No Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697WIN dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ThinkBook 13s-IML dmi.modalias: dmi:bvnLENOVO:bvrCQCN24WW:bd10/29/2019:svnLENOVO:pn20RR:pvrLenovoThinkBook13s-IML:rvnLENOVO:rnLNVNB161216:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrLenovoThinkBook13s-IML: dmi.product.family: ThinkBook 13s-IML dmi.product.name: 20RR dmi.product.sku: LENOVO_MT_20RR_BU_idea_FM_ThinkBook 13s-IML dmi.product.version: Lenovo ThinkBook 13s-IML dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1864871/+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
