sound stuttering while playing music Ubuntu 18.04

Asked by Alain Pedneault on 2018-06-09

I recently installed Ubuntu 18.04 LTS on a computer that I assembled myself. (Many system messages are in French because it's my preferred language.) The PSU, the SATA DVD reader/writer and the hard disk were new and I reused an ASUS Crosshair V Formula-Z (with 16 gigs of RAM and a Corsair H100i cooler) and an ASUS GTX-980 graphics card. This computer is connected to a USB keyboard, a mouse and two displays (one through a display port connection and the other throuhg a DVI connection). The initial installation from a DVD went without a problem (except for sound that I discovered a bit later). The SPDIF (optical digital output) of the motherboard is connected through cable to my Yamaha RX-V477 Sound AV receiver itself connected to the speakers.

The problem is that I get frequent stuttering when I play music using Rhytmbox or VLC or when I play a game (stuttering in dialogs too). In my search for a solution I also installedthe PulseAudio Volume Control utility and a low latency Linux core. Each time there was a stuttering moment I could see the volume control utility react to it and even sometimes displaying a message telling that it was reconnecting with the Pulse server. Also the low latency core did not solve the problem. I then tried other suggested solutions, in vain. Finally, I followed the guide located at this URL : https://help.ubuntu.com/community/SoundTroubleshootingProcedure . In this guide I was instructed, at Step 3, to post a new question here about my problem and to copy the output of my Terminal here, so here it is :

(Beginning of Terminal output follows immediately)
ALSA Information Script v 0.4.64
--------------------------------

This script visits the following commands/files to collect diagnostic
information about your ALSA installation and sound related hardware.

  dmesg
  lspci
  lsmod
  aplay
  amixer
  alsactl
  /proc/asound/
  /sys/class/sound/
  ~/.asoundrc (etc.)

See './alsa-info.sh --help' for command line options.

Automatically upload ALSA information to www.alsa-project.org? [y/N] : y
Uploading information to www.alsa-project.org ... Done!

Your ALSA information is located at http://www.alsa-project.org/db/?f=a8f3c6985392f814d0d464c64702d2862dd5b8d2

Please inform the person helping you.
(End of Terminal output immediately precedes this,)

In its "Step 4", the guide tells me to execute a long command in a Terminal and to post the output here...

(Beginning of Terminal output)
alain@aubuntu:~$ cat /proc/asound/{version,cards,devices,hwdep,pcm,seq/clients}; ls -l /usr/share/pulseaudio/alsa-mixer/paths/; sudo rm /etc/asound.conf; sudo rm -r ~/.pulse ~/.asound* ;sudo rm ~/.pulse-cookie; sudo apt-get update; sudo apt-get install aptitude; sudo aptitude install paman gnome-alsamixer libasound2-plugins padevchooser libsdl1.2debian-pulseaudio; sudo lshw -short;ls -lart /dev/snd; find /lib/modules/`uname -r` | grep snd ;cat /dev/sndstat; lspci -nn; lsusb; sudo which alsactl; sudo fuser -v /dev/dsp /dev/snd/* ; dpkg -S bin/slmodemd; dmesg | egrep 'EMU|probe|emu|ALSA|alsa|ac97|udi|snd|ound|irmware'; sudo /etc/init.d/sl-modem-daemon status; sudo grep model /etc/modprobe.d/* ; sudo dmidecode|egrep 'anufact|roduct|erial|elease'; lsmod | egrep 'snd|usb|midi|udio'; pacmd list-sinks; aplay -l; sudo alsa force-reload; ubuntu-support-status ; sudo lshw -C sound
Advanced Linux Sound Architecture Driver Version k4.15.0-22-lowlatency.
 0 [SB ]: HDA-Intel - HDA ATI SB
                      HDA ATI SB at 0xfe700000 irq 16
 1 [NVidia ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfe080000 irq 60
  1: : sequencer
  2: [ 0] : control
  3: [ 0- 0]: digital audio playback
  4: [ 0- 0]: digital audio capture
  5: [ 0- 1]: digital audio playback
  6: [ 0- 2]: digital audio capture
  7: [ 0- 0]: hardware dependent
  8: [ 1] : control
  9: [ 1- 3]: digital audio playback
 10: [ 1- 7]: digital audio playback
 11: [ 1- 8]: digital audio playback
 12: [ 1- 9]: digital audio playback
 13: [ 1- 0]: hardware dependent
 33: : timer
00-00: HDA Codec 0
01-00: HDA Codec 0
00-00: ALC898 Analog : ALC898 Analog : playback 1 : capture 1
00-01: ALC898 Digital : ALC898 Digital : playback 1
00-02: ALC898 Alt Analog : ALC898 Alt Analog : capture 2
01-03: HDMI 0 : HDMI 0 : playback 1
01-07: HDMI 1 : HDMI 1 : playback 1
01-08: HDMI 2 : HDMI 2 : playback 1
01-09: HDMI 3 : HDMI 3 : playback 1
Client info
  cur clients : 1
  peak clients : 1
  max clients : 192

Client 0 : "System" [Kernel]
  Port 0 : "Timer" (Rwe-)
  Port 1 : "Announce" (R-e-)
Client 14 : "Midi Through" [Kernel]
  Port 0 : "Midi Through Port-0" (RWe-)
total 152
-rw-r--r-- 1 root root 1415 mai 21 10:41 analog-input-aux.conf
-rw-r--r-- 1 root root 2056 mai 21 10:41 analog-input.conf
-rw-r--r-- 1 root root 5769 mai 21 10:41 analog-input.conf.common
-rw-r--r-- 1 root root 2185 mai 21 10:41 analog-input-dock-mic.conf
-rw-r--r-- 1 root root 1420 mai 21 10:41 analog-input-fm.conf
-rw-r--r-- 1 root root 2196 mai 21 10:41 analog-input-front-mic.conf
-rw-r--r-- 1 root root 2298 mai 21 10:41 analog-input-headphone-mic.conf
-rw-r--r-- 1 root root 2360 mai 21 10:41 analog-input-headset-mic.conf
-rw-r--r-- 1 root root 2797 mai 21 10:41 analog-input-internal-mic-always.conf
-rw-r--r-- 1 root root 3155 mai 21 10:41 analog-input-internal-mic.conf
-rw-r--r-- 1 root root 2569 mai 21 10:41 analog-input-linein.conf
-rw-r--r-- 1 root root 2758 mai 21 10:41 analog-input-mic.conf
-rw-r--r-- 1 root root 1330 mai 21 10:41 analog-input-mic.conf.common
-rw-r--r-- 1 root root 1457 mai 21 10:41 analog-input-mic-line.conf
-rw-r--r-- 1 root root 2185 mai 21 10:41 analog-input-rear-mic.conf
-rw-r--r-- 1 root root 1425 mai 21 10:41 analog-input-tvtuner.conf
-rw-r--r-- 1 root root 1385 mai 21 10:41 analog-input-video.conf
-rw-r--r-- 1 root root 1929 mai 21 10:41 analog-output.conf
-rw-r--r-- 1 root root 10609 mai 21 10:41 analog-output.conf.common
-rw-r--r-- 1 root root 2139 mai 21 10:41 analog-output-headphones-2.conf
-rw-r--r-- 1 root root 3147 mai 21 10:41 analog-output-headphones.conf
-rw-r--r-- 1 root root 4095 mai 21 10:41 analog-output-lineout.conf
-rw-r--r-- 1 root root 1993 mai 21 10:41 analog-output-mono.conf
-rw-r--r-- 1 root root 3725 mai 21 10:41 analog-output-speaker-always.conf
-rw-r--r-- 1 root root 4521 mai 21 10:41 analog-output-speaker.conf
-rw-r--r-- 1 root root 159 mai 21 10:41 hdmi-output-0.conf
-rw-r--r-- 1 root root 161 mai 21 10:41 hdmi-output-1.conf
-rw-r--r-- 1 root root 161 mai 21 10:41 hdmi-output-2.conf
-rw-r--r-- 1 root root 161 mai 21 10:41 hdmi-output-3.conf
-rw-r--r-- 1 root root 163 mai 21 10:41 hdmi-output-4.conf
-rw-r--r-- 1 root root 163 mai 21 10:41 hdmi-output-5.conf
-rw-r--r-- 1 root root 163 mai 21 10:41 hdmi-output-6.conf
-rw-r--r-- 1 root root 163 mai 21 10:41 hdmi-output-7.conf
-rw-r--r-- 1 root root 712 mai 21 10:41 iec958-stereo-output.conf
[sudo] Mot de passe de alain :
rm: impossible de supprimer '/etc/asound.conf': Aucun fichier ou dossier de ce type
rm: impossible de supprimer '/home/alain/.pulse': Aucun fichier ou dossier de ce type
rm: impossible de supprimer '/home/alain/.asound*': Aucun fichier ou dossier de ce type
rm: impossible de supprimer '/home/alain/.pulse-cookie': Aucun fichier ou dossier de ce type
Réception de:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [83,2 kB]
Atteint:2 http://ca.archive.ubuntu.com/ubuntu bionic InRelease
Réception de:3 http://ca.archive.ubuntu.com/ubuntu bionic-updates InRelease [83,2 kB]
Réception de:4 http://ca.archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]
241 ko réceptionnés en 1s (268 ko/s)
Lecture des listes de paquets... Fait
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances
Lecture des informations d'état... Fait
Les paquets supplémentaires suivants seront installés :
  aptitude-common libcwidget3v5
Paquets suggérés :
  aptitude-doc-en | aptitude-doc apt-xapian-index debtags tasksel
  libcwidget-dev
Les NOUVEAUX paquets suivants seront installés :
  aptitude aptitude-common libcwidget3v5
0 mis à jour, 3 nouvellement installés, 0 à enlever et 0 non mis à jour.
Il est nécessaire de prendre 2 569 ko dans les archives.
Après cette opération, 10,9 Mo d'espace disque supplémentaires seront utilisés.
Souhaitez-vous continuer ? [O/n] o
Réception de:1 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 aptitude-common all 0.8.10-6ubuntu1 [1 014 kB]
Réception de:2 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 libcwidget3v5 amd64 0.5.17-7 [286 kB]
Réception de:3 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 aptitude amd64 0.8.10-6ubuntu1 [1 269 kB]
2 569 ko réceptionnés en 1s (2 290 ko/s)
Sélection du paquet aptitude-common précédemment désélectionné.
(Lecture de la base de données... 210918 fichiers et répertoires déjà installés.)
Préparation du dépaquetage de .../aptitude-common_0.8.10-6ubuntu1_all.deb ...
Dépaquetage de aptitude-common (0.8.10-6ubuntu1) ...
Sélection du paquet libcwidget3v5:amd64 précédemment désélectionné.
Préparation du dépaquetage de .../libcwidget3v5_0.5.17-7_amd64.deb ...
Dépaquetage de libcwidget3v5:amd64 (0.5.17-7) ...
Sélection du paquet aptitude précédemment désélectionné.
Préparation du dépaquetage de .../aptitude_0.8.10-6ubuntu1_amd64.deb ...
Dépaquetage de aptitude (0.8.10-6ubuntu1) ...
Paramétrage de aptitude-common (0.8.10-6ubuntu1) ...
Traitement des actions différées (« triggers ») pour libc-bin (2.27-3ubuntu1) ...
Traitement des actions différées (« triggers ») pour man-db (2.8.3-2) ...
Paramétrage de libcwidget3v5:amd64 (0.5.17-7) ...
Paramétrage de aptitude (0.8.10-6ubuntu1) ...
update-alternatives: utilisation de « /usr/bin/aptitude-curses » pour fournir « /usr/bin/aptitude » (aptitude) en mode automatique
Traitement des actions différées (« triggers ») pour libc-bin (2.27-3ubuntu1) ...
Pas de version candidate trouvée pour paman
Unable to apply some actions, aborting
Chemin matériel Périphérique Classe Description
=========================================================
                                  system To be filled by O.E.M. (SKU)
/0 bus CROSSHAIR V FORMULA-Z
/0/0 memory 64KiB BIOS
/0/4 processor AMD FX(tm)-9370 Eight-Core Process
/0/4/5 memory 384KiB L1 cache
/0/4/6 memory 8MiB L2 cache
/0/4/7 memory 8MiB L3 cache
/0/2d memory 16GiB Mémoire Système
/0/2d/0 memory 4GiB DIMM DDR3 Synchrone Unbuffere
/0/2d/1 memory 4GiB DIMM DDR3 Synchrone Unbuffere
/0/2d/2 memory 4GiB DIMM DDR3 Synchrone Unbuffere
/0/2d/3 memory 4GiB DIMM DDR3 Synchrone Unbuffere
/0/100 bridge RD9x0/RX980 Host Bridge
/0/100/2 bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/2/0 display GM204 [GeForce GTX 980]
/0/100/2/0.1 multimedia GM204 High Definition Audio Contro
/0/100/4 bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/4/0 storage ASM1062 Serial ATA Controller
/0/100/5 bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/5/0 enp3s0 network 82583V Gigabit Network Connection
/0/100/6 bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/6/0 bus ASM1042 SuperSpeed USB Host Contro
/0/100/7 bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/7/0 bus ASM1042 SuperSpeed USB Host Contro
/0/100/9 bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/9/0 bus ASM1042 SuperSpeed USB Host Contro
/0/100/a bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/a/0 storage ASM1062 Serial ATA Controller
/0/100/b bridge RD890/RD990 PCI to PCI bridge (PCI
/0/100/d bridge RD890/RD9x0/RX980 PCI to PCI bridg
/0/100/11 storage SB7x0/SB8x0/SB9x0 SATA Controller
/0/100/12 bus SB7x0/SB8x0/SB9x0 USB OHCI0 Contro
/0/100/12.2 bus SB7x0/SB8x0/SB9x0 USB EHCI Control
/0/100/13 bus SB7x0/SB8x0/SB9x0 USB OHCI0 Contro
/0/100/13.2 bus SB7x0/SB8x0/SB9x0 USB EHCI Control
/0/100/14 bus SBx00 SMBus Controller
/0/100/14.2 multimedia SBx00 Azalia (Intel HDA)
/0/100/14.3 bridge SB7x0/SB8x0/SB9x0 LPC host control
/0/100/14.4 bridge SBx00 PCI to PCI Bridge
/0/100/14.5 bus SB7x0/SB8x0/SB9x0 USB OHCI2 Contro
/0/100/16 bus SB7x0/SB8x0/SB9x0 USB OHCI0 Contro
/0/100/16.2 bus SB7x0/SB8x0/SB9x0 USB EHCI Control
/0/101 bridge Family 15h Processor Function 0
/0/102 bridge Family 15h Processor Function 1
/0/103 bridge Family 15h Processor Function 2
/0/104 bridge Family 15h Processor Function 3
/0/105 bridge Family 15h Processor Function 4
/0/106 bridge Family 15h Processor Function 5
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 3TB ST3000DM008-2DM1
/0/1/0.0.0/1 volume 511MiB Windows FAT volume
/0/1/0.0.0/2 /dev/sda2 volume 732MiB Volume EXT4
/0/1/0.0.0/3 /dev/sda3 volume 2793GiB EFI partition
/0/2 scsi1 storage
/0/2/0.0.0 /dev/cdrom disk DRW-24B1ST j
total 0
crw-rw----+ 1 root audio 116, 33 jun 8 21:14 timer
crw-rw----+ 1 root audio 116, 1 jun 8 21:14 seq
crw-rw----+ 1 root audio 116, 6 jun 8 21:14 pcmC0D2c
crw-rw----+ 1 root audio 116, 7 jun 8 21:14 hwC0D0
crw-rw----+ 1 root audio 116, 2 jun 8 21:14 controlC0
drwxr-xr-x 3 root root 340 jun 8 21:14 .
crw-rw----+ 1 root audio 116, 8 jun 8 21:14 controlC1
drwxr-xr-x 2 root root 80 jun 8 21:14 by-path
crw-rw----+ 1 root audio 116, 13 jun 8 21:14 hwC1D0
crw-rw----+ 1 root audio 116, 9 jun 8 21:15 pcmC1D3p
crw-rw----+ 1 root audio 116, 10 jun 8 21:15 pcmC1D7p
crw-rw----+ 1 root audio 116, 11 jun 8 21:15 pcmC1D8p
crw-rw----+ 1 root audio 116, 12 jun 8 21:15 pcmC1D9p
crw-rw----+ 1 root audio 116, 4 jun 8 21:15 pcmC0D0c
crw-rw----+ 1 root audio 116, 3 jun 8 22:11 pcmC0D0p
crw-rw----+ 1 root audio 116, 5 jun 8 22:11 pcmC0D1p
drwxr-xr-x 21 root root 4780 jun 8 22:11 ..
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/bebob/snd-bebob.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/fireworks/snd-fireworks.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/dice/snd-dice.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/snd-isight.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/motu/snd-firewire-motu.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/digi00x/snd-firewire-digi00x.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/fireface/snd-fireface.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/oxfw/snd-oxfw.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/snd-firewire-lib.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/firewire/tascam/snd-firewire-tascam.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-mtpav.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-virmidi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-portman2x4.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/pcsp/snd-pcsp.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-serial-u16550.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/vx/snd-vx-lib.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-aloop.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/mpu401/snd-mpu401-uart.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/mpu401/snd-mpu401.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-dummy.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/snd-mts64.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/opl3/snd-opl3-synth.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/drivers/opl3/snd-opl3-lib.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-pcm.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-pcm-dmaengine.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/seq/snd-seq-midi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/seq/snd-seq-midi-event.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/seq/snd-seq-midi-emul.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/seq/snd-seq-virmidi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/seq/snd-seq-dummy.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/seq/snd-seq.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-seq-device.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/oss/snd-mixer-oss.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-compress.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-rawmidi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-timer.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-hwdep.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/core/snd-hrtimer.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/x86/snd-hdmi-lpe-audio.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/fsl/snd-soc-imx-audmux.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/fsl/snd-soc-fsl-esai.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/fsl/snd-soc-fsl-sai.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/fsl/snd-soc-fsl-spdif.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/fsl/snd-soc-fsl-asrc.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/fsl/snd-soc-fsl-ssi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/xtensa/snd-soc-xtfpga-i2s.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/snd-soc-core.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/amd/snd-soc-acp-rt5645-mach.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-wm8711.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-ak4554.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-cs42xx8-i2c.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-cs43130.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-gtm601.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-nau8540.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-rt5616.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-cs4271-spi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-es7134.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-rt5514.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-tfa9879.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-pcm179x-spi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-wm8523.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-pcm512x-spi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-tlv320aic3x.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-tas571x.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-es8328.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-hdac-hdmi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-cs35l34.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-dmic.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-cs42xx8.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-cs42l73.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-sgtl5000.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-rt298.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-sta350.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-wm8974.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-tlv320aic23.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-pcm179x-i2c.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/soc/codecs/snd-soc-pcm3168a-spi.ko
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/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/snd-es1968.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/snd-intel8x0.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/lola/snd-lola.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/snd-atiixp.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/ice1712/snd-ice17xx-ak4xxx.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/ice1712/snd-ice1724.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/ice1712/snd-ice1712.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/nm256/snd-nm256.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/au88x0/snd-au8820.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/au88x0/snd-au8830.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/au88x0/snd-au8810.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-ca0110.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-realtek.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-idt.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-conexant.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-cirrus.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-cmedia.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-hdmi.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-si3054.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-intel.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-analog.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-ca0132.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-generic.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/hda/snd-hda-codec-via.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/ali5451/snd-ali5451.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pci/lx6464es/snd-lx6464es.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/synth/snd-util-mem.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/synth/emux/snd-emux-synth.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/hda/snd-hda-core.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/hda/ext/snd-hda-ext-core.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pcmcia/vx/snd-vxpocket.ko
/lib/modules/4.15.0-22-lowlatency/kernel/sound/pcmcia/pdaudiocf/snd-pdaudiocf.ko
cat: /dev/sndstat: Aucun fichier ou dossier de ce type
00:00.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD/ATI] RD9x0/RX980 Host Bridge [1002:5a14] (rev 02)
00:02.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GFX port 0) [1002:5a16]
00:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP Port 0) [1002:5a18]
00:05.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP Port 1) [1002:5a19]
00:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP Port 2) [1002:5a1a]
00:07.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP Port 3) [1002:5a1b]
00:09.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP Port 4) [1002:5a1c]
00:0a.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP Port 5) [1002:5a1d]
00:0b.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD990 PCI to PCI bridge (PCI Express GFX2 port 0) [1002:5a1f]
00:0d.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980 PCI to PCI bridge (PCI Express GPP2 Port 0) [1002:5a1e]
00:11.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] [1002:4391] (rev 40)
00:12.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
00:12.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
00:13.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
00:13.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller [1002:4385] (rev 42)
00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA) [1002:4383] (rev 40)
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d] (rev 40)
00:14.4 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge [1002:4384] (rev 40)
00:14.5 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI2 Controller [1002:4399]
00:16.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397]
00:16.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396]
00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 0 [1022:1600]
00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 1 [1022:1601]
00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 2 [1022:1602]
00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 3 [1022:1603]
00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 4 [1022:1604]
00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h Processor Function 5 [1022:1605]
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM204 [GeForce GTX 980] [10de:13c0] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation GM204 High Definition Audio Controller [10de:0fbb] (rev a1)
02:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
03:00.0 Ethernet controller [0200]: Intel Corporation 82583V Gigabit Network Connection [8086:150c]
04:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller [1b21:1042]
05:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller [1b21:1042]
06:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller [1b21:1042]
07:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 01)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 002: ID 1b1c:0c04 Corsair
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 258a:1007
Bus 001 Device 006: ID 0738:a109 Mad Catz, Inc.
Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 003: ID 10d5:1234 Uni Class Technology Co., Ltd
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 013 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 012 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 011 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 010 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
/usr/sbin/alsactl
Le nom de fichier /dev/dsp n'existe pas.
                     UTIL. PID ACCÈS COMMANDE
/dev/snd/controlC0: alain 2039 F.... pulseaudio
/dev/snd/controlC1: alain 2039 F.... pulseaudio
dpkg-query: aucun chemin ne correspond à *bin/slmodemd*
[ 0.000000] AGP: No AGP bridge found
[ 0.000000] Found optimal setting for mtrr clean up
[ 0.000000] No NUMA configuration found
[ 0.000000] AGP: No AGP bridge found
[ 0.098092] audit: initializing netlink subsys (disabled)
[ 0.098101] audit: type=2000 audit(1528506857.098:1): state=initialized audit_enabled=0 res=1
[ 0.167249] pnp: PnP ACPI: found 8 devices
[ 1.052880] libphy: Fixed MDIO Bus: probed
[ 1.053109] ehci-pci 0000:00:12.2: applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround
[ 1.060082] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.060169] hub 1-0:1.0: USB hub found
[ 1.060400] ehci-pci 0000:00:13.2: applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround
[ 1.067070] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.067150] hub 2-0:1.0: USB hub found
[ 1.067354] ehci-pci 0000:00:16.2: applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround
[ 1.074068] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.074147] hub 3-0:1.0: USB hub found
[ 1.130077] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.130166] hub 4-0:1.0: USB hub found
[ 1.186077] usb usb5: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.186166] hub 5-0:1.0: USB hub found
[ 1.242076] usb usb6: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.242165] hub 6-0:1.0: USB hub found
[ 1.298075] usb usb7: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.298169] hub 7-0:1.0: USB hub found
[ 1.358171] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.358247] hub 8-0:1.0: USB hub found
[ 1.358354] usb usb9: New USB device found, idVendor=1d6b, idProduct=0003
[ 1.358419] hub 9-0:1.0: USB hub found
[ 1.418385] usb usb10: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.418460] hub 10-0:1.0: USB hub found
[ 1.418565] usb usb11: New USB device found, idVendor=1d6b, idProduct=0003
[ 1.418634] hub 11-0:1.0: USB hub found
[ 1.478552] usb usb12: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.478626] hub 12-0:1.0: USB hub found
[ 1.478728] usb usb13: New USB device found, idVendor=1d6b, idProduct=0003
[ 1.478794] hub 13-0:1.0: USB hub found
[ 1.478899] i8042: PNP: No PS/2 controller found.
[ 1.500823] ima: No TPM chip found, activating TPM-bypass! (rc=-19)
[ 1.502097] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 1.515988] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 1.516031] usb 1-2: New USB device found, idVendor=05e3, idProduct=0608
[ 1.516418] hub 1-2:1.0: USB hub found
[ 1.809082] usb 5-5: New USB device found, idVendor=1b1c, idProduct=0c04
[ 1.878131] usb 1-2.1: New USB device found, idVendor=10d5, idProduct=1234
[ 1.878781] hub 1-2.1:1.0: USB hub found
[ 2.028230] usb 1-2.2: New USB device found, idVendor=1a40, idProduct=0101
[ 2.028380] hub 1-2.2:1.0: USB hub found
[ 2.178465] usb 1-2.3: New USB device found, idVendor=258a, idProduct=1007
[ 2.388332] usb 1-2.2.1: New USB device found, idVendor=0738, idProduct=a109
[ 28.648917] lp: driver loaded but no devices found
[ 34.460158] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002)
[ 34.460193] snd_hda_intel 0000:01:00.1: Disabling MSI
[ 34.460203] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[ 34.526055] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC898: line_outs=4 (0x14/0x15/0x16/0x17/0x0) type:line
[ 34.526057] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 34.526059] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0)
[ 34.526059] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
[ 34.526060] snd_hda_codec_realtek hdaudioC0D0: dig-out=0x11/0x1e
[ 34.526061] snd_hda_codec_realtek hdaudioC0D0: inputs:
[ 34.526063] snd_hda_codec_realtek hdaudioC0D0: Front Mic=0x19
[ 34.526064] snd_hda_codec_realtek hdaudioC0D0: Rear Mic=0x18
[ 34.526065] snd_hda_codec_realtek hdaudioC0D0: Line=0x1a
[ 34.542854] input: HDA ATI SB Front Mic as /devices/pci0000:00/0000:00:14.2/sound/card0/input8
[ 34.542913] input: HDA ATI SB Rear Mic as /devices/pci0000:00/0000:00:14.2/sound/card0/input9
[ 34.542987] input: HDA ATI SB Line as /devices/pci0000:00/0000:00:14.2/sound/card0/input10
[ 34.543134] input: HDA ATI SB Line Out Front as /devices/pci0000:00/0000:00:14.2/sound/card0/input11
[ 34.543215] input: HDA ATI SB Line Out Surround as /devices/pci0000:00/0000:00:14.2/sound/card0/input12
[ 34.543303] input: HDA ATI SB Line Out CLFE as /devices/pci0000:00/0000:00:14.2/sound/card0/input13
[ 34.543427] input: HDA ATI SB Line Out Side as /devices/pci0000:00/0000:00:14.2/sound/card0/input14
[ 34.543508] input: HDA ATI SB Front Headphone as /devices/pci0000:00/0000:00:14.2/sound/card0/input15
[ 34.766578] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input16
[ 34.766666] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input17
[ 34.766720] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input18
[ 34.766776] input: HDA NVidia HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input19
[ 39.110801] audit: type=1400 audit(1528506897.107:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-oopslash" pid=996 comm="apparmor_parser"
[ 39.113285] audit: type=1400 audit(1528506897.110:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/man" pid=995 comm="apparmor_parser"
[ 39.113288] audit: type=1400 audit(1528506897.110:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="man_filter" pid=995 comm="apparmor_parser"
[ 39.113290] audit: type=1400 audit(1528506897.110:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="man_groff" pid=995 comm="apparmor_parser"
[ 39.144048] audit: type=1400 audit(1528506897.141:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-senddoc" pid=997 comm="apparmor_parser"
[ 39.144051] audit: type=1400 audit(1528506897.141:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-senddoc//sanitized_helper" pid=997 comm="apparmor_parser"
[ 39.182350] audit: type=1400 audit(1528506897.179:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-xpdfimport" pid=999 comm="apparmor_parser"
[ 39.182379] audit: type=1400 audit(1528506897.179:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/snap/core/4650/usr/lib/snapd/snap-confine" pid=992 comm="apparmor_parser"
[ 39.182381] audit: type=1400 audit(1528506897.179:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/snap/core/4650/usr/lib/snapd/snap-confine//mount-namespace-capture-helper" pid=992 comm="apparmor_parser"
[ 39.222038] audit: type=1400 audit(1528506897.218:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine" pid=1000 comm="apparmor_parser"
[ 56.971973] kauditd_printk_skb: 40 callbacks suppressed
[ 56.971974] audit: type=1400 audit(1528506914.968:52): apparmor="DENIED" operation="capable" profile="/usr/lib/snapd/snap-confine" pid=1424 comm="snap-confine" capability=2 capname="dac_read_search"
sudo: /etc/init.d/sl-modem-daemon : commande introuvable
 Release Date: 03/23/2015
  Serial services are supported (int 14h)
 Manufacturer: To be filled by O.E.M.
 Product Name: To be filled by O.E.M.
 Serial Number: To be filled by O.E.M.
 Manufacturer: ASUSTeK COMPUTER INC.
 Product Name: CROSSHAIR V FORMULA-Z
 Serial Number: 130410013600018
 Manufacturer: To Be Filled By O.E.M.
 Serial Number: To Be Filled By O.E.M.
 Manufacturer: AMD
 Serial Number: To Be Filled By O.E.M.
 Manufacturer: Undefined
 Serial Number: 0000000
 Manufacturer: Undefined
 Serial Number: 0000000
 Manufacturer: Undefined
 Serial Number: 0000000
 Manufacturer: Undefined
 Serial Number: 0000000
snd_seq_dummy 16384 0
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 102400 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_hda_intel 40960 4
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hda_core 81920 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 3 snd_seq_midi_event,snd_seq_dummy,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 19 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_realtek,snd_pcm
soundcore 16384 1 snd
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
1 sink(s) available.
  * index: 4672
 name: <alsa_output.pci-0000_00_14.2.iec958-stereo>
 driver: <module-alsa-card.c>
 flags: HARDWARE HW_MUTE_CTRL DECIBEL_VOLUME LATENCY
 state: SUSPENDED
 suspend cause: IDLE
 priority: 9038
 volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100% / 0,00 dB
         balance 0,00
 base volume: 65536 / 100% / 0,00 dB
 volume steps: 65537
 muted: no
 current latency: 0,00 ms
 max request: 0 KiB
 max rewind: 0 KiB
 monitor source: 4673
 sample spec: s16le 2ch 44100Hz
 channel map: front-left,front-right
              Stéréo
 used by: 0
 linked by: 0
 fixed latency: 100,14 ms
 card: 1 <alsa_card.pci-0000_00_14.2>
 module: 8
 properties:
  alsa.resolution_bits = "16"
  device.api = "alsa"
  device.class = "sound"
  alsa.class = "generic"
  alsa.subclass = "generic-mix"
  alsa.name = "ALC898 Digital"
  alsa.id = "ALC898 Digital"
  alsa.subdevice = "0"
  alsa.subdevice_name = "subdevice #0"
  alsa.device = "1"
  alsa.card = "0"
  alsa.card_name = "HDA ATI SB"
  alsa.long_card_name = "HDA ATI SB at 0xfe700000 irq 16"
  alsa.driver_name = "snd_hda_intel"
  device.bus_path = "pci-0000:00:14.2"
  sysfs.path = "/devices/pci0000:00/0000:00:14.2/sound/card0"
  device.bus = "pci"
  device.vendor.id = "1002"
  device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
  device.product.id = "4383"
  device.product.name = "SBx00 Azalia (Intel HDA)"
  device.form_factor = "internal"
  device.string = "iec958:0"
  device.buffering.buffer_size = "17664"
  device.buffering.fragment_size = "2944"
  device.access_mode = "mmap"
  device.profile.name = "iec958-stereo"
  device.profile.description = "Stéréo numérique (IEC958)"
  device.description = "Audio interne Stéréo numérique (IEC958)"
  alsa.mixer_name = "Realtek ALC898"
  alsa.components = "HDA:10ec0899,1043854b,00100003"
  module-udev-detect.discovered = "1"
  device.icon_name = "audio-card-pci"
 ports:
  iec958-stereo-output: Sortie numérique (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
   properties:

 active port: <iec958-stereo-output>
**** Liste des Périphériques Matériels PLAYBACK ****
carte 0: SB [HDA ATI SB], périphérique 0: ALC898 Analog [ALC898 Analog]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 0: SB [HDA ATI SB], périphérique 1: ALC898 Digital [ALC898 Digital]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 1: NVidia [HDA NVidia], périphérique 3: HDMI 0 [HDMI 0]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 1: NVidia [HDA NVidia], périphérique 7: HDMI 1 [HDMI 1]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 1: NVidia [HDA NVidia], périphérique 8: HDMI 2 [HDMI 2]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 1: NVidia [HDA NVidia], périphérique 9: HDMI 3 [HDMI 3]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
Unloading ALSA sound driver modules: snd-seq-dummy snd-hda-codec-hdmi snd-hda-codec-realtek snd-hda-codec-generic snd-hda-intel snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-seq-midi snd-seq-midi-event snd-rawmidi snd-seq snd-seq-device snd-timer (failed: modules still loaded: snd-hda-codec-hdmi snd-hda-codec-realtek snd-hda-codec-generic snd-hda-intel snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-timer).
Loading ALSA sound driver modules: snd-seq-dummy snd-hda-codec-hdmi snd-hda-codec-realtek snd-hda-codec-generic snd-hda-intel snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-seq-midi snd-seq-midi-event snd-rawmidi snd-seq snd-seq-device snd-timer.
Résumé de l'état du support de « aubuntu » :

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Vous avez 0 paquets (0.0%) qui ne peuvent pas ou plus être téléchargés
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Exécuter avec --show-unsupported, --show-supported ou --show-all pour voir plus de détails
  *-multimedia
       description: Audio device
       produit: GM204 High Definition Audio Controller
       fabriquant: NVIDIA Corporation
       identifiant matériel: 0.1
       information bus: pci@0000:01:00.1
       version: a1
       bits: 32 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list
       configuration: driver=snd_hda_intel latency=0
       ressources: irq:60 mémoire:fe080000-fe083fff
  *-multimedia
       description: Audio device
       produit: SBx00 Azalia (Intel HDA)
       fabriquant: Advanced Micro Devices, Inc. [AMD/ATI]
       identifiant matériel: 14.2
       information bus: pci@0000:00:14.2
       version: 40
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm bus_master cap_list
       configuration: driver=snd_hda_intel latency=32
       ressources: irq:16 mémoire:fe700000-fe703fff
(End of Terminal output)

I still have few steps to follow in the guide. For now, I must post this.

I wish to thank you in advance for all help about this unexplained problem !

Question information

Language:
English Edit question
Status:
Solved
For:
Ubuntu alsa-driver Edit question
Assignee:
No assignee Edit question
Solved by:
Alain Pedneault
Solved:
2018-06-15
Last query:
2018-06-15
Last reply:

This question was reopened

Alain Pedneault (yabouca00058) said : #1

Hi everybody !

I've found a solution to my problem ! It is already applied when I am writing this.

I used "sudo gedit /etc/pulse/client.conf" to uncomment the "auto-connect-localhost = no" line and change "no" for "yes" instead.
The line in question now reads "auto-connect-localhost = yes".

Then I rebooted the computer and voilà! Problem solved !

I hope this solution will help someone else later !

(The hint to the solution was in " volume control utility react to it and even sometimes displaying a message telling that it was reconnecting with the Pulse server" that I wrote in the original post. I see that my English is not as good as I wish.)

My regards to all readers of my post !

Alain Pedneault (yabouca00058) said : #2

Hi again !

I am sorry to add that the solution I mentioned above doesn't work after a system reboot !

After looking at the problem a few hours more, I came up with a solution that works hopefully for ever (at least after many reboots).

First, using "sudo gedit /etc/pulse/client.conf" I reinstated its previous state by recommenting the line that I had changed and changing back "yes" to "no".

Then I copied "/etc/pulse" in my personal file structure, to experiment with diverse settings.

The solution I found is to change a line in the daemon.conf file in the pulse directory (in my personal file structure). In more details : I copied the line that reads "; daemonize = no" under itself ; I then removed the comment mark (";") and changed "no" for "yes" and saved the file. I then rebooted the computer. The two lines now read :

; daemonize = no
 daemonize = yes

That is the solution that really works for me and my system. There might be better solutions : if you know one, feel free to describe it here.

Thanks for reading !

Alain Pedneault (yabouca00058) said : #3

Hi !

I must report that the two solutions above don't work. After a cold reboot the stuttering (choppy sound) was back.

I only found another possible solution (a little desperate, I'd say) :

cd /etc/pulse
sudo gedit client.conf

Add the line

autospawn = no

just after the line

; autospawn = yes

then save the file and reboot the computer.

The result is that pulse audio will no longer automatically start. This way I can have perfect sound but I have no software control on the volume of the sound...

Any one with ideas ?

Thanks !

Alain Pedneault (yabouca00058) said : #4

I just discovered that I can have control on the volume of the sound by using the AlsaMixer.

First use the command

info alsamixer

to know how to use the mixer.

Then use the command

alsamixer

to use the mixer.

Alain Pedneault (yabouca00058) said : #5

Hi !

I found another solution to my stuttering sound problem.

I read somewhere in Ubuntu official documentation (unless I am mistaken) that sometimes sound problems happen because of a not so good driver. Then I searched the Web for a Linux sound driver for my motherboard (ASUS Crosshair V Formula-Z) and found none. It game me the idea to look for a solution that would not use the sound device on the motherboard. I also looked for similar solutions on the Ask Ubuntu Web site and found interings posts. In one, it was suggested to disable the on-board Azalia sound device on the motherboard because it might cause some problems even when not used.

I then remembered I already had an external USB sound device (a Sabrent 7.1 Ch 3D external sound pocket) on my shelved somewhere. It has (among other connections) a digital optical SPDIFout connection which is what I needed. I made the connections : the USB cable to one of my USB 2.0 socket of my PC and the digital optical cable to the SPDIFout connection of the USB sound device. I then reactivated the autospawn of pulseaudio using the /etc/pulse/client.conf file and rebooted the computer to enter the UEFI (or BIOS) settings. There I deactivated the Azalia sound device and saved the settings and rebooted the computer.

Sure enough, I had good sound now and I could control the volume of the sound using the pulse audio volume control (or any other sound control) after I had selected the new sound device in my sound preferences (for me it was called "CM106 Like Sound Device Stéréo numérique (IEC958)".

Thanks for reading !