[Bug 1899719] Re: Groovy live boots have sound muted by default on some boxes

*** This bug is a duplicate of bug 1897934 ***
https://bugs.launchpad.net/bugs/1897934

** This bug has been marked a duplicate of bug 1897934
The initial sound level is set to zero (mute)

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https://bugs.launchpad.net/bugs/1899719

Title:
Groovy live boots have sound muted by default on some boxes

Status in linux package in Ubuntu:
Confirmed

Bug description:
Lubuntu groovy QA-test (LIVE) on
- dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)

** Background

I've been noticing this for awhile (was noticed first on Xubuntu), eg.
https://irclogs.ubuntu.com/2020/09/25/%23xubuntu-devel.html

"xubuntu groovy daily; I've had a number (3) of boxes boot with sound
muted; this isn't intentional is it?"

** What occurred this boot

Note this is not the initial boot of this box, it was booted twice
with same results.

Sound is muted, I can't get sound working using the PANEL volume
control.

I have to start `pavucontrol-qt` using the menu, go to the OUTPUT
DEVICES tab, and click the 'speaker' button to enable sound.

** What I expect to occur

I'd expect sound to be enabled by default.

** Further comments

- this is minor, once fixed it's gone, also not all users will need sound & can be easily fixed as outlined. Most QA installs I don't re-use, but I do on occasion in support, I can't recall muted-sound reappearing (though most times I'd not use audio)
- it appears to be box specific, and occurring only on some older boxes
- this was filed with Lubuntu, but as initially noticed on Xubuntu (I've explored it before, but comments only made on IRC)
- filed on kernel but could be pulseaudio, alsa or other?

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: linux-image-5.8.0-22-generic 5.8.0-22.23
ProcVersionSignature: Ubuntu 5.8.0-22.23-generic 5.8.14
Uname: Linux 5.8.0-22-generic x86_64
ApportVersion: 2.20.11-0ubuntu49
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: lubuntu 1754 F.... pulseaudio
                      lubuntu 1775 F.... pipewire-media-
 /dev/snd/pcmC0D0p: lubuntu 1754 F...m pulseaudio
 /dev/snd/seq: lubuntu 1753 F.... pipewire
CasperMD5CheckResult: pass
CasperVersion: 1.452
CurrentDesktop: LXQt
Date: Wed Oct 14 01:23:28 2020
IwConfig:
 lo no wireless extensions.

 enp0s25 no wireless extensions.
LiveMediaBuild: Lubuntu 20.10 "Groovy Gorilla" - Beta amd64 (20201013)
MachineType: Dell Inc. OptiPlex 755
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/username.seed quiet splash ---
RelatedPackageVersions:
 linux-restricted-modules-5.8.0-22-generic N/A
 linux-backports-modules-5.8.0-22-generic N/A
 linux-firmware 1.190
RfKill:

SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/02/2007
dmi.bios.release: 0.0
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0DR845
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA03:bd10/02/2007:br0.0:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0DR845:rvr:cvnDellInc.:ct3:cvr:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.

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