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[palutz <1320020@xxxxxxxxxxxxxxxxxx>]

Same problem here with my Ubuntu 15.10 and Creative Soundcard. Most of the time is not working.
I usually run the script:
pulseaudio -k && sudo alsa force-reload
to make the sound work properly, but sometimes this is not working too.

Here my data:
http://www.alsa-project.org/db/?f=c87327b076f4459af554c72d862e16545f6bdc6c


!!Kernel Information
!!------------------

Kernel release:    4.0.5-040005-generic
Operating System:  GNU/Linux
Architecture:      x86_64
Processor:         x86_64
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k4.0.5-040005-generic
Library version:    1.0.29
Utilities version:  1.0.29

...
...

!!Soundcards recognised by ALSA
!!-----------------------------

 0 [HDMI           ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfbad0000 irq 38
 1 [VX7000         ]: USB-Audio - Microsoft® LifeCam VX-7000
                      Microsoft Microsoft® LifeCam VX-7000 at usb-0000:00:1a.0-1.6, high speed
 2 [Creative       ]: HDA-Intel - HDA Creative
                      HDA Creative at 0xfbff0000 irq 18


!!PCI Soundcards installed in the system
!!--------------------------------------

04:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cedar HDMI Audio [Radeon HD 5400/6300 Series]
0d:00.0 Audio device: Creative Labs SB Recon3D (rev 01)


!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

04:00.1 0403: 1002:aa68
	Subsystem: 1682:aa68
--
0d:00.0 0403: 1102:0012 (rev 01)
	Subsystem: 1102:0010

...
...

-- 
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/1320020

Title:
  [Inspiron 1470, Realtek ALC272, Speaker, Internal] No sound at all

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  I can get perfect sound through headphones, and the kernel recognizes
  the internal speaker, but nothing is ever played through it. I have
  personally tested a pair of earbuds to make sure that sound could play
  through the headphone port, and that isn't a problem. The sound driver
  just refuses to recognize the existence of the speaker, even though
  the kernel does.

  I wouldn't be surprised if the last upstream update had something to
  do with it.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  isiah      7361 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Thu May 15 18:07:52 2014
  InstallationDate: Installed on 2014-01-29 (106 days ago)
  InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
  Symptom_Card: Built-in Audio - HDA Intel
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  isiah      7361 F.... pulseaudio
  Symptom_Jack: Speaker, Internal
  Symptom_Type: No sound at all
  Title: [Inspiron 1470, Realtek ALC272, Speaker, Internal] No sound at all
  UpgradeStatus: Upgraded to trusty on 2014-05-04 (11 days ago)
  dmi.bios.date: 03/23/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0M7CYJ
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A05
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A05
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd03/23/2011:svnDellInc.:pnInspiron1470:pvrA05123:rvnDellInc.:rn0M7CYJ:rvrA05:cvnDellInc.:ct8:cvrA05:
  dmi.product.name: Inspiron 1470
  dmi.product.version: A05123
  dmi.sys.vendor: Dell Inc.

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