Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1878495
Title:
Sound not working
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