Thanks for sharing the problem, Brett. I tried solution no. 5, it worked for me and solved my problem!
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/994746 Title: "Dummy output" -- No sound in Ubuntu 12.04. Worked in 10.10 Status in “pulseaudio” package in Ubuntu: Incomplete Bug description: "Dummy output" is the name of my card. It obviously doesn't work. I was finally able to fix the issue (temporarily), but trying these solutions I found online. (0) updated first $ sudo apt-get update; sudo apt-get upgrade # rebooted (1) Didn't work $ sudo apt-get remove --purge alsa-base $ sudo apt-get remove --purge pulseaudio $ sudo apt-get install alsa-base $ sudo apt-get install pulseaudio $ sudo alsa force-reload (2) PPC fix? I have some custom built PC, not PPC, but I thought I'd try it $ gksu gedit /etc/modules # added: # snd_aoa_i2sbus # snd_aoa_fabric_layout # snd_aoa_codec_tas # snd_aoa_codec_onyx (3) $ sudo killall pulseaudio; rm -r ~/.pulse* # rebooted (4) $ aplay -l ** **** List of PLAYBACK Hardware Devices **** (5) $ gksu gedit /etc/modprobe.d/alsa-base.conf # added: # options snd-hda-intel model=auto # options snd-hda-intel model=hp-dv5 # options snd_hda_intel model=hp-dv5 # rebooted (6) $ alsamixer cannot load mixer controls: Invalid argument (7) $ pulseaudio -k (8) $ sudo alsa force-reload Unloading ALSA sound driver modules: snd-hda-codec-realtek snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-seq-midi snd-rawmidi snd-seq-midi-event snd-seq snd-timer snd-seq-device snd-page-alloc (failed: modules still loaded: snd-hda-codec-realtek snd-hda-codec snd-hwdep snd-pcm snd-timer snd-page-alloc). Loading ALSA sound driver modules: snd-hda-codec-realtek snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-seq-midi snd-rawmidi snd-seq-midi-event snd-seq snd-timer snd-seq-device snd-page-alloc. (9) here are my devices $ aplay -l ** **** List of PLAYBACK Hardware Devices **** card 0: VT82xx [HDA VIA VT82xx], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: VT82xx [HDA VIA VT82xx], device 1: ALC662 rev1 Digital [ALC662 rev1 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 So I think added the lines to /etc/modprobe.d/alsa-base.conf helped? ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: pulseaudio 1:1.1-0ubuntu15 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14 Uname: Linux 3.2.0-24-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: VT82xx [HDA VIA VT82xx], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: VT82xx [HDA VIA VT82xx], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Card0.Amixer.info: Error: command ['amixer', '-c', '0', 'info'] failed with exit code 1: amixer: Mixer load hw:0 error: Invalid argument Card hw:0 'VT82xx'/'HDA VIA VT82xx at 0xfbffc000 irq 17' Mixer name : 'Realtek ALC662 rev1' Components : 'HDA:10ec0662,10438290,00100101' Controls : 8 Card0.Amixer.values: Error: command ['amixer', '-c', '0'] failed with exit code 1: amixer: Mixer hw:0 load error: Invalid argument Date: Fri May 4 13:55:55 2012 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423.2) SourcePackage: pulseaudio UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/20/2008 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0507 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5VD2-VM SE dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev x.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0507:bd02/20/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5VD2-VMSE:rvrRevx.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/994746/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp