Thank you for your latest script.  I did a diff, crossing my fingers to
find a difference, but it was only your commented out line starting
pulse audio... so they're the same :/

And thanks for the pacmd output.  At first when I compared yours and
mine, they were the same... except my sinks, etc. were numbered starting
at 0, while yours start at 1 (though the same devices were listed in the
same order).  But then in trying certain configurations, the outputs now
show identical.  (I am not positive, but I think it's when I went back
to blacklisting snd-hda-intel for a moment that they became identical,
so its possible that module just isn't loading for you, and maybe that's
preferable).

I found the quirk 'alc298-samsung-amp' the other day, and also tried a
lot of configurations with that (using "options snd-hda-intel
model=alc298-samsung-amp"), but still no go.  I was working on two
theories:  1)  There's some small difference that matters between your
machine and mine, and trying to find it.  Or alternatively, 2)  There's
no important difference between our machines, but because your machine
reports as the "930XED", which is probably listed, while mine reports as
the "950XEE", which probably isn't listed, there are just some quirks
that are automatically getting activated for your machine but not for
mine... So I was trying to find those quirks (I'd love if there was a
way to 'spoof', and just make everything report that I had the "930XED"
to see what happened, but don't know if thats possible).

I'm still collecting ideas, because I strangely refuse to give up.  And
I may start next down the whole qemu route.  Two questions:  1)  You say
its fairly difficult, doing the subsetting during playback, cause it
turns the card off shortly after turning it on... But you do hear sound
at some point in the process, right?  That's all I need to keep me
going, just a little sound for a second ;).  Also, 2)  Do you happen to
have a url of a good blogpost/set of instructions that you followed for
that?  I think the one I used pointed to an old version of the custom
qemu to compile, because there were just way too many compilation
problems.  (I have my own windows partition, and I've downloaded the
windows realtek driver, so I'd love to just use that, but I gather it
has to be with a custom emulator to do the codec sniffing).

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1851518

Title:
  [950SBE/951SBE, Realtek ALC298, Speaker, Internal] No sound on
  internal speakers, very very quiet on headphones

Status in Linux:
  New
Status in linux package in Ubuntu:
  Fix Released

Bug description:
  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

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