Public bug reported:
After upgrade to 20.10 repeatly got audio dummy output ,when I use sudo
alsa force_reload and reboot system the audio come back .But after some
days the problom reappear use the same method solved the audio issue .It
maybe the kernel bug with this issue.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: linux-image-5.8.0-26-generic 5.8.0-26.27
ProcVersionSignature: Ubuntu 5.8.0-26.27-generic 5.8.14
Uname: Linux 5.8.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dell 5398 F.... pulseaudio
dell 5402 F.... pipewire-media-
/dev/snd/controlC1: dell 5402 F.... pipewire-media-
/dev/snd/seq: dell 5397 F.... pipewire
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Thu Oct 29 12:33:05 2020
HibernationDevice: RESUME=UUID=0c70f08b-8e7f-4c5d-a9d5-a0846776436b
InstallationDate: Installed on 2018-06-15 (867 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: Dell Inc. G7 7590
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu@/vmlinuz-5.8.0-26-generic
root=ZFS=rpool/ROOT/ubuntu ro quiet splash pti=off nouveau.modeset=0
nouveau.runpm=0 i915.enable_psr=0 init_on_alloc=0 vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-5.8.0-26-generic N/A
linux-backports-modules-5.8.0-26-generic N/A
linux-firmware 1.190
SourcePackage: linux
UpgradeStatus: Upgraded to groovy on 2020-10-17 (11 days ago)
dmi.bios.date: 05/22/2020
dmi.bios.release: 1.13
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.13.2
dmi.board.name: 0YC5C7
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.13.2:bd05/22/2020:br1.13:svnDellInc.:pnG77590:pvr:rvnDellInc.:rn0YC5C7:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: GSeries
dmi.product.name: G7 7590
dmi.product.sku: 08EB
dmi.sys.vendor: Dell Inc.
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2019-07-18T14:15:17
mtime.conffile..etc.logrotate.d.apport: 2020-10-26T16:26:26.813657
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug groovy
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https://bugs.launchpad.net/bugs/1901975
Title:
After upgrade to 20.10 got audio dummy output
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