One thing that I noticed is that even though there are no headphones plugged in, it shows headphones as an output source and an external microphone as an input source.
** Summary changed: - Sound not working + Sound not working on iMac18,2 -- 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/1878495 Title: Sound not working on iMac18,2 Status in linux package in Ubuntu: Confirmed Bug description: I'm on Ubuntu 20.04 on an Apple iMac (iMac 18,2 Intel i5 Core) and the internal sound, wired headphone, internal mic, and wired mics don't work. Bluetooth headphones do work, however. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-29-generic 5.4.0-29.33 ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30 Uname: Linux 5.4.0-29-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: caleb 1928 F.... pulseaudio /dev/snd/controlC1: caleb 1928 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed May 13 14:28:14 2020 InstallationDate: Installed on 2020-05-11 (2 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) MachineType: Apple Inc. iMac18,2 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic root=UUID=e6cf11cb-0c36-44df-8ade-44a5afe36b41 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-29-generic N/A linux-backports-modules-5.4.0-29-generic N/A linux-firmware 1.187 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/31/2020 dmi.bios.vendor: Apple Inc. dmi.bios.version: 181.0.0.0.0 dmi.board.name: Mac-77F17D7DA9285301 dmi.board.vendor: Apple Inc. dmi.board.version: iMac18,2 dmi.chassis.type: 9 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-77F17D7DA9285301 dmi.modalias: dmi:bvnAppleInc.:bvr181.0.0.0.0:bd01/31/2020:svnAppleInc.:pniMac18,2:pvr1.0:rvnAppleInc.:rnMac-77F17D7DA9285301:rvriMac18,2:cvnAppleInc.:ct9:cvrMac-77F17D7DA9285301: dmi.product.family: iMac dmi.product.name: iMac18,2 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878495/+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
