Thank you for your bug report. The issue was reported against the wrong package so didn't collect the right debug information, it has been reassigned now so could you do
$ apport-collect 1902768 to include the audio debugging? ** Package changed: ubiquity (Ubuntu) => pulseaudio (Ubuntu) ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete ** Summary changed: - Upgrade to 20/10 broke sound + headphone not correctly detected on 20.10 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1902768 Title: headphone not correctly detected on 20.10 Status in pulseaudio package in Ubuntu: Incomplete Bug description: In 20/04 sound worked via headphones worked fine. After upgrade no sound is heard and the audio output device list only has HDMI and S/PDIF as possible choices. Windows 10 on the same machine works without problems. ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: ubiquity (not installed) ProcVersionSignature: Ubuntu 5.8.0-26.27-generic 5.8.14 Uname: Linux 5.8.0-26-generic x86_64 ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: KDE Date: Tue Nov 3 20:39:59 2020 InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash --- InstallationDate: Installed on 2020-09-19 (44 days ago) InstallationMedia: Kubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) SourcePackage: ubiquity Symptom: installer UpgradeStatus: Upgraded to groovy on 2020-11-02 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1902768/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp