Public bug reported:
There is no sound and no sound devices appear present (either internal
or USB devices) after booting 4.15.0-32-generic. If I boot back into
-31, everything works normally.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-32-generic 4.15.0-32.35
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair hid_plantronics
i915 sdhci_pci sdhci wmi
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 15 12:02:10 2018
HibernationDevice: RESUME=UUID=55a42c82-50bf-4e75-a133-dbd3aa93611b
InstallationDate: Installed on 2018-07-24 (22 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180724)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-32-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-32-generic N/A
linux-backports-modules-4.15.0-32-generic N/A
linux-firmware 1.173.1
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/16/2018
dmi.bios.vendor: Intel Corp.
dmi.bios.version: KYSKLi70.86A.0055.2018.0516.1629
dmi.board.name: NUC6i7KYB
dmi.board.vendor: Intel Corporation
dmi.board.version: H90766-406
dmi.chassis.type: 3
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnIntelCorp.:bvrKYSKLi70.86A.0055.2018.0516.1629:bd05/16/2018:svn:pn:pvr:rvnIntelCorporation:rnNUC6i7KYB:rvrH90766-406:cvnIntelCorporation:ct3:cvr1.0:
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1787251
Title:
No sound devices after booting 4.15.0-32-generic
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