Sound does *not* work for me on testing kernel 5.4.0-42 I'm attaching the dmseg output.
On Mon, Jul 13, 2020 at 12:20 AM Hui Wang <1886...@bugs.launchpad.net> wrote: > We also want to fix this issue in the ubuntu 5.4 kernel, so I built a > testing kernel, could you please test if that testing kernel work or > not, if it doesn't work, please upload a complete dmesg. > > thx. > > https://people.canonical.com/~hwang4/lp1886341/ > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1886341 > > Title: > Kernel Regression between 5.4.0-26 and 5.4.0-40 causes laptop internal > audio devices to fail to load w/o unacceptable workaround (Lenovo > IdeaPad 5 15IIL05) > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > On Ubuntu 20.04, running kernel 5.4.0-40-generic, the internal > speakers, headphone jack, and mic do not work at all. No audio devices > appear in the Sound settings or in pavucontrol. By appending options > snd_hda_intel dmic_detect=0 to /etc/modprobe.d/alsa-base.conf, I can > get audio working, but the microphone (unsuprisingly) does not work. > Appending options snd-intel-dspcfg dsp_driver=1 to alsa_base.conf as > the same effect as dmic_detect=0. Attempts to fix with option > snd_hda_intel device=generic or deveice=auto have had no effect. This > bug does NOT manifest on 5.4.0-26-generic, the kernel version featured > on the 20.04 live media. After installation, and updating to > 5.4.0-40-generic, the bug manifests on the next boot. > > Note that the audio hardware seems to work properly w/o workaround on > a small (< 5%) percentage of boots, but I have been unable to > reproduce this. With the workaround enabled, inxi -A gives > > Audio: > Device-1: Intel Smart Sound Audio driver: snd_hda_intel > Sound Server: ALSA v: k5.4.0-40-generic > > ProblemType: Bug > DistroRelease: Ubuntu 20.04 > Package: linux-image-5.4.0-40-generic 5.4.0-40.44 > ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44 > Uname: Linux 5.4.0-40-generic x86_64 > ApportVersion: 2.20.11-0ubuntu27.3 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: jill 1374 F.... pulseaudio > CasperMD5CheckResult: skip > CurrentDesktop: ubuntu:GNOME > Date: Sun Jul 5 13:32:58 2020 > InstallationDate: Installed on 2020-07-03 (2 days ago) > InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 > (20200423) > MachineType: LENOVO 81YK > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: 0 i915drmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic > root=UUID=dc3e058d-42fc-4de4-b94a-749c1295dc68 ro quiet splash vt.handoff=7 > RelatedPackageVersions: > linux-restricted-modules-5.4.0-40-generic N/A > linux-backports-modules-5.4.0-40-generic N/A > linux-firmware 1.187.1 > SourcePackage: linux > UpgradeStatus: No upgrade log present (probably fresh install) > dmi.bios.date: 03/18/2020 > dmi.bios.vendor: LENOVO > dmi.bios.version: DPCN40WW > 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: IdeaPad 5 15IIL05 > dmi.modalias: > dmi:bvnLENOVO:bvrDPCN40WW:bd03/18/2020:svnLENOVO:pn81YK:pvrIdeaPad515IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrIdeaPad515IIL05: > dmi.product.family: IdeaPad 5 15IIL05 > dmi.product.name: 81YK > dmi.product.sku: LENOVO_MT_81YK_BU_idea_FM_IdeaPad 5 15IIL05 > dmi.product.version: IdeaPad 5 15IIL05 > dmi.sys.vendor: LENOVO > --- > ProblemType: Bug > ApportVersion: 2.20.11-0ubuntu27.3 > Architecture: amd64 > AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', > '/dev/snd/timer'] failed with exit code 1: > CasperMD5CheckResult: skip > CurrentDesktop: ubuntu:GNOME > DistroRelease: Ubuntu 20.04 > InstallationDate: Installed on 2020-07-03 (5 days ago) > InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 > (20200423) > MachineType: LENOVO 81YK > Package: linux (not installed) > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: 0 i915drmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic > root=UUID=dc3e058d-42fc-4de4-b94a-749c1295dc68 ro quiet splash vt.handoff=7 > ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44 > RelatedPackageVersions: > linux-restricted-modules-5.4.0-40-generic N/A > linux-backports-modules-5.4.0-40-generic N/A > linux-firmware 1.187.1 > Tags: wayland-session focal > Uname: Linux 5.4.0-40-generic x86_64 > UpgradeStatus: No upgrade log present (probably fresh install) > UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo > _MarkForUpload: True > dmi.bios.date: 03/18/2020 > dmi.bios.vendor: LENOVO > dmi.bios.version: DPCN40WW > 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: IdeaPad 5 15IIL05 > dmi.modalias: > dmi:bvnLENOVO:bvrDPCN40WW:bd03/18/2020:svnLENOVO:pn81YK:pvrIdeaPad515IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrIdeaPad515IIL05: > dmi.product.family: IdeaPad 5 15IIL05 > dmi.product.name: 81YK > dmi.product.sku: LENOVO_MT_81YK_BU_idea_FM_IdeaPad 5 15IIL05 > dmi.product.version: IdeaPad 5 15IIL05 > dmi.sys.vendor: LENOVO > --- > ProblemType: Bug > ApportVersion: 2.20.11-0ubuntu27.3 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: jill 1365 F.... pulseaudio > CasperMD5CheckResult: skip > CurrentDesktop: ubuntu:GNOME > DistroRelease: Ubuntu 20.04 > InstallationDate: Installed on 2020-07-03 (7 days ago) > InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 > (20200423) > MachineType: LENOVO 81YK > Package: linux (not installed) > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: 0 i915drmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.6.0-1018-oem > root=UUID=dc3e058d-42fc-4de4-b94a-749c1295dc68 ro quiet splash vt.handoff=7 > ProcVersionSignature: Ubuntu 5.6.0-1018.18-oem 5.6.18 > RelatedPackageVersions: > linux-restricted-modules-5.6.0-1018-oem N/A > linux-backports-modules-5.6.0-1018-oem N/A > linux-firmware 1.187.1 > Tags: wayland-session focal > Uname: Linux 5.6.0-1018-oem x86_64 > UpgradeStatus: No upgrade log present (probably fresh install) > UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo > _MarkForUpload: True > dmi.bios.date: 03/18/2020 > dmi.bios.vendor: LENOVO > dmi.bios.version: DPCN40WW > 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: IdeaPad 5 15IIL05 > dmi.modalias: > dmi:bvnLENOVO:bvrDPCN40WW:bd03/18/2020:svnLENOVO:pn81YK:pvrIdeaPad515IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrIdeaPad515IIL05: > dmi.product.family: IdeaPad 5 15IIL05 > dmi.product.name: 81YK > dmi.product.sku: LENOVO_MT_81YK_BU_idea_FM_IdeaPad 5 15IIL05 > dmi.product.version: IdeaPad 5 15IIL05 > dmi.sys.vendor: LENOVO > --- > ProblemType: Bug > ApportVersion: 2.20.11-0ubuntu27.3 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: jill 1365 F.... pulseaudio > CasperMD5CheckResult: skip > CurrentDesktop: ubuntu:GNOME > DistroRelease: Ubuntu 20.04 > InstallationDate: Installed on 2020-07-03 (7 days ago) > InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 > (20200423) > MachineType: LENOVO 81YK > Package: linux (not installed) > ProcEnviron: > TERM=xterm-256color > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: 0 i915drmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.6.0-1018-oem > root=UUID=dc3e058d-42fc-4de4-b94a-749c1295dc68 ro quiet splash vt.handoff=7 > ProcVersionSignature: Ubuntu 5.6.0-1018.18-oem 5.6.18 > RelatedPackageVersions: > linux-restricted-modules-5.6.0-1018-oem N/A > linux-backports-modules-5.6.0-1018-oem N/A > linux-firmware 1.187.1 > Tags: wayland-session focal > Uname: Linux 5.6.0-1018-oem x86_64 > UpgradeStatus: No upgrade log present (probably fresh install) > UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo > _MarkForUpload: True > dmi.bios.date: 03/18/2020 > dmi.bios.vendor: LENOVO > dmi.bios.version: DPCN40WW > 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: IdeaPad 5 15IIL05 > dmi.modalias: > dmi:bvnLENOVO:bvrDPCN40WW:bd03/18/2020:svnLENOVO:pn81YK:pvrIdeaPad515IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrIdeaPad515IIL05: > dmi.product.family: IdeaPad 5 15IIL05 > dmi.product.name: 81YK > dmi.product.sku: LENOVO_MT_81YK_BU_idea_FM_IdeaPad 5 15IIL05 > dmi.product.version: IdeaPad 5 15IIL05 > dmi.sys.vendor: LENOVO > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886341/+subscriptions > ** Attachment added: "dmesg-5-4-0-42" https://bugs.launchpad.net/bugs/1886341/+attachment/5392306/+files/dmesg-5-4-0-42 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1886341 Title: Kernel Regression between 5.4.0-26 and 5.4.0-40 causes laptop internal audio devices to fail to load w/o unacceptable workaround (Lenovo IdeaPad 5 15IIL05) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886341/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
