Public bug reported:
When using the Ubuntu sound settings and doing a test, only the center
and subwoofer channels produce sound. When playing any media that
relies on left/right channels, I don't hear anything.
Used alsamixer to unmute / increase volume to all desired channels with no
change
Used PulseAudio volume control to load multiple different audio profiles with
the same results.
Ubuntu Release:
Description: Ubuntu 20.10
Release: 20.10
alsa-base:
Installed: 1.0.25+dfsg-0ubuntu5
Candidate: 1.0.25+dfsg-0ubuntu5
Version table:
*** 1.0.25+dfsg-0ubuntu5 500
500 http://us.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
500 http://us.archive.ubuntu.com/ubuntu groovy/main i386 Packages
100 /var/lib/dpkg/status
pulseaudio:
Installed: 1:13.99.2-1ubuntu1
Candidate: 1:13.99.2-1ubuntu1
Version table:
*** 1:13.99.2-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
100 /var/lib/dpkg/status
I also experienced the issue in the latest default kernel for Ubuntu, so
I downloaded one of the later stable ones:
Linux terry-pc 5.9.1-050901-generic #202010170731 SMP Sat Oct 17
07:42:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
When doing a speaker test, I get the following results:
speaker-test -c6
speaker-test 1.2.3
Playback device is default
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 32 to 349525
Period size range from 10 to 116509
Using max buffer size 349524
Periods = 4
was set period_size = 87381
was set buffer_size = 349524
0 - Front Left -- NO SOUND
4 - Center -- WORKS CORRECTLY
1 - Front Right -- NO SOUND
3 - Rear Right -- NO SOUND
2 - Rear Left -- NO SOUND
5 - LFE -- WORKS CORRECTLY
I plugged headphones into the front jack, and the system detected and
switched the sound output device to the headphones. However, I still
did not hear any sound when doing a test.
Lastly, this sound device works as expected under Windows 10, so I don't
believe that it is a hardware issue.
Thank you for your time.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 5.9.1-050901-generic x86_64
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 24 09:12:25 2020
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Line Out, Rear
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Only some of outputs are working
Title: [Z370 AORUS Gaming 7, Realtek ALC1220, Green Line Out, Rear] Playback
problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/28/2019
dmi.bios.release: 5.12
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F15a
dmi.board.asset.tag: Default string
dmi.board.name: Z370 AORUS Gaming 7
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF15a:bd11/28/2019:br5.12:svnGigabyteTechnologyCo.,Ltd.:pnZ370AORUSGaming7:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnZ370AORUSGaming7:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: Z370 AORUS Gaming 7
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
modified.conffile..etc.modprobe.d.alsa-base.conf: [deleted]
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug groovy wayland-session
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1901316
Title:
[Z370 AORUS Gaming 7, Realtek ALC1220, Green Line Out, Rear] Playback
problem. Center and subwoofer work, everything else has no sound.
Status in alsa-driver package in Ubuntu:
New
Bug description:
When using the Ubuntu sound settings and doing a test, only the center
and subwoofer channels produce sound. When playing any media that
relies on left/right channels, I don't hear anything.
Used alsamixer to unmute / increase volume to all desired channels with no
change
Used PulseAudio volume control to load multiple different audio profiles with
the same results.
Ubuntu Release:
Description: Ubuntu 20.10
Release: 20.10
alsa-base:
Installed: 1.0.25+dfsg-0ubuntu5
Candidate: 1.0.25+dfsg-0ubuntu5
Version table:
*** 1.0.25+dfsg-0ubuntu5 500
500 http://us.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
500 http://us.archive.ubuntu.com/ubuntu groovy/main i386 Packages
100 /var/lib/dpkg/status
pulseaudio:
Installed: 1:13.99.2-1ubuntu1
Candidate: 1:13.99.2-1ubuntu1
Version table:
*** 1:13.99.2-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu groovy/main amd64 Packages
100 /var/lib/dpkg/status
I also experienced the issue in the latest default kernel for Ubuntu,
so I downloaded one of the later stable ones:
Linux terry-pc 5.9.1-050901-generic #202010170731 SMP Sat Oct 17
07:42:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
When doing a speaker test, I get the following results:
speaker-test -c6
speaker-test 1.2.3
Playback device is default
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 32 to 349525
Period size range from 10 to 116509
Using max buffer size 349524
Periods = 4
was set period_size = 87381
was set buffer_size = 349524
0 - Front Left -- NO SOUND
4 - Center -- WORKS CORRECTLY
1 - Front Right -- NO SOUND
3 - Rear Right -- NO SOUND
2 - Rear Left -- NO SOUND
5 - LFE -- WORKS CORRECTLY
I plugged headphones into the front jack, and the system detected and
switched the sound output device to the headphones. However, I still
did not hear any sound when doing a test.
Lastly, this sound device works as expected under Windows 10, so I
don't believe that it is a hardware issue.
Thank you for your time.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 5.9.1-050901-generic x86_64
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 24 09:12:25 2020
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Line Out, Rear
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Only some of outputs are working
Title: [Z370 AORUS Gaming 7, Realtek ALC1220, Green Line Out, Rear] Playback
problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/28/2019
dmi.bios.release: 5.12
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F15a
dmi.board.asset.tag: Default string
dmi.board.name: Z370 AORUS Gaming 7
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF15a:bd11/28/2019:br5.12:svnGigabyteTechnologyCo.,Ltd.:pnZ370AORUSGaming7:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnZ370AORUSGaming7:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: Z370 AORUS Gaming 7
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
modified.conffile..etc.modprobe.d.alsa-base.conf: [deleted]
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