Public bug reported:
I've been googling this issue for 10's of hours and tried many things.
Relase of Ubuntu: 19.10
Expected outcome: Music plays on the internal speakers and headphones.
Actual outcome: I can barely hear audio using headphones with volume
turned up to 150%. Absolutely nothing comes out of the speakers. (The
speakers sound great under Windows 10.)
Complete alsa-info output is attached, but here are some snippets:
!!DMI Information
!!---------------
Manufacturer: SAMSUNG ELECTRONICS CO., LTD.
Product Name: 950SBE/951SBE
Product Version: P06RES
Firmware Version: P06RES.075.190529.SP
Board Vendor: SAMSUNG ELECTRONICS CO., LTD.
Board Name: NP950SBE-K01US
!!Kernel Information
!!------------------
Kernel release: 5.3.0-19-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k5.3.0-19-generic
Library version: 1.1.9
Utilities version: 1.1.9
!!Loaded ALSA modules
!!-------------------
snd_hda_intel
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
!!Soundcards recognised by ALSA
!!-----------------------------
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x604b118000 irq 177
!!PCI Soundcards installed in the system
!!--------------------------------------
00:1f.3 Multimedia audio controller: Intel Corporation Cannon Point-LP
High Definition Audio Controller (rev 11)
!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------
00:1f.3 0401: 8086:9dc8 (rev 11)
DeviceName: Onboard - Sound
!!HDA-Intel Codec information
!!---------------------------
--startcollapse--
Codec: Realtek ALC298
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10ec0298
Subsystem Id: 0x144dc812
Revision Id: 0x100103
No Modem Function Group found
Default PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power states: D0 D1 D2 D3 D3cold CLKSTOP EPSS
Power: setting=D0, actual=D0
GPIO: io=8, o=0, i=0, unsolicited=1, wake=0
IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[2]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[3]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[4]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[5]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[6]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[7]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
Node 0x02 [Audio Output] wcaps 0x41d: Stereo Amp-Out
Control: name="Headphone Playback Volume", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Device: name="ALC298 Analog", type="Audio", device=0
Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x01, mute=0
Amp-Out vals: [0x00 0x00]
Converter: stream=1, channel=0
PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x03 [Audio Output] wcaps 0x41d: Stereo Amp-Out
Control: name="Speaker Playback Volume", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x01, mute=0
Amp-Out vals: [0x7f 0x7f]
Converter: stream=1, channel=0
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: martin 1383 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 6 06:20:08 2019
InstallationDate: Installed on 2019-11-03 (3 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
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 failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: martin 1383 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [950SBE/951SBE, Realtek ALC298, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/29/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P06RES.075.190529.SP
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP950SBE-K01US
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SGL9849A0Q-C01-G003-S0001+10.0.17763
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP06RES.075.190529.SP:bd05/29/2019:svnSAMSUNGELECTRONICSCO.,LTD.:pn950SBE/951SBE:pvrP06RES:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP950SBE-K01US:rvrSGL9849A0Q-C01-G003-S0001+10.0.17763:cvnSAMSUNGELECTRONICSCO.,LTD.:ct31:cvrN/A:
dmi.product.family: Notebook 9 Series
dmi.product.name: 950SBE/951SBE
dmi.product.sku: SCAI-A5A5-A5A5-A5A5-PRES
dmi.product.version: P06RES
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2019-11-05T23:13:55.854413
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug eoan
** Attachment added: "alsa-info.txt"
https://bugs.launchpad.net/bugs/1851518/+attachment/5303262/+files/alsa-info.txt
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https://bugs.launchpad.net/bugs/1851518
Title:
[950SBE/951SBE, Realtek ALC298, Speaker, Internal] No sound on
internal speakers, very very quiet on headphones
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