No sound after upgrade from 13.10 to 14.04

[Gilberto Garza]

 aplay -l
**** Lista de PLAYBACK dispositivos hardware ****
tarjeta 0: HDMI [HDA Intel HDMI], dispositivo 3: HDMI 0 [HDMI 0]
  Subdispositivos: 1/1
  Subdispositivo #0: subdevice #0
tarjeta 0: HDMI [HDA Intel HDMI], dispositivo 7: HDMI 1 [HDMI 1]
  Subdispositivos: 1/1
  Subdispositivo #0: subdevice #0
tarjeta 0: HDMI [HDA Intel HDMI], dispositivo 8: HDMI 2 [HDMI 2]
  Subdispositivos: 1/1
  Subdispositivo #0: subdevice #0
tarjeta 1: PCH [HDA Intel PCH], dispositivo 0: VT1802 Analog [VT1802 Analog]
  Subdispositivos: 1/1
  Subdispositivo #0: subdevice #0
tarjeta 1: PCH [HDA Intel PCH], dispositivo 2: VT1802 Alt Analog [VT1802 Alt Analog]
  Subdispositivos: 1/1
  Subdispositivo #0: subdevice #0

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: pulseaudio 1:4.0-0ubuntu11
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/pcmC1D2p', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D8p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: Unity
Date: Mon Apr 21 16:53:39 2014
ProcEnviron:
 LANGUAGE=es_MX:es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_MX.UTF-8
 SHELL=/bin/bash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
SourcePackage: pulseaudio
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/13/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: Gazelle Professional
dmi.board.vendor: System76, Inc.
dmi.board.version: gazp9
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: System76, Inc.
dmi.chassis.version: gazp9
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd06/13/2013:svnSystem76,Inc.:pnGazelleProfessional:pvrgazp9:rvnSystem76,Inc.:rnGazelleProfessional:rvrgazp9:cvnSystem76,Inc.:ct9:cvrgazp9:
dmi.product.name: Gazelle Professional
dmi.product.version: gazp9
dmi.sys.vendor: System76, Inc.

[Daniel van Vugt (vanvugt)]

Ubuntu 14.04 reached end of standard support in April 2019:

  https://wiki.ubuntu.com/Releases

If you would like to continue with free support then please update to a
newer Ubuntu version and tell us if the problem still occurs.

If you would like to continue with Ubuntu 14.04 then there is a paid
support option detailed at https://www.ubuntu.com/esm