I have an XPS 13 9370 with the same or similar issue on Ubuntu 20 and it is not a fresh install. It has affected my machine for numerous kernel versions and BIOS firmware versions.
alsa-info: http://alsa- project.org/db/?f=47725ef4c2de6c2a8b3cff3dd68c7a2bc0c3635f kernel: Linux anonymous 5.4.0-88-generic #99-Ubuntu SMP Thu Sep 23 17:29:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -rd Description: Ubuntu 20.04.3 LTS Release: 20.04 dmesg: [ 746.187338] snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to polling mode: last cmd=0x200f0000 [ 747.191347] snd_hda_intel 0000:00:1f.3: No response from codec, disabling MSI: last cmd=0x200f0000 [ 748.195328] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x200f0000 [ 749.199337] snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to single_cmd mode: last cmd=0x200f0000 [ 749.199703] hdaudio hdaudioC0D2: no AFG or MFG node found [ 749.199716] snd_hda_intel 0000:00:1f.3: no codecs initialized I have tried toggling the audio support in the BIOS to minimize the chance that this is a hardware/BIOS issue. The only output available in the UI is "Dummy Output". -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/1913014 Title: No audio on XPS 13 9370 Status in linux-hwe-5.4 package in Ubuntu: Confirmed Status in linux-signed-hwe-5.4 package in Ubuntu: Confirmed Bug description: $ lsb_release -rd Description: Ubuntu 18.04 LTS Release: 18.04 $ uname -a Linux 201712-26015 5.4.0-65-generic #73~18.04.1-Ubuntu SMP Tue Jan 19 09:02:24 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux $ apt-cache policy linux-image-5.4.0-65-generic linux-image-5.4.0-65-generic: Installed: 5.4.0-65.73~18.04.1 Candidate: 5.4.0-65.73~18.04.1 Version table: *** 5.4.0-65.73~18.04.1 500 500 http://archive.ubuntu.com/ubuntu bionic-proposed/main amd64 Packages 100 /var/lib/dpkg/status Steps to reproduce: * Install the OEM Bionic image on the Dell XPS 13 9370 laptop * Add the bionic-proposed repo * apt install linux-generic-hwe-18.04 * Reboot * Open the Gnome audio settings and then the speaker testing panel * Click any of the "Test" buttons Expected: a "front left" or "front right" sound is played via the laptops internal speakers. Actual: there is no sound. The machine's CID is 201712-26015. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-5.4.0-65-generic 5.4.0-65.73~18.04.1 ProcVersionSignature: Ubuntu 5.4.0-65.73~18.04.1-generic 5.4.78 Uname: Linux 5.4.0-65-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Jan 25 13:49:45 2021 InstallationDate: Installed on 2021-01-25 (0 days ago) InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38 SourcePackage: linux-signed-hwe-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.4/+bug/1913014/+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
