Public bug reported:
I'm not sure this is a pulseaudio problem or a Ubuntu System Settings
one.
Since yesterday I noticed there was no sound at all, and restarting
pulseaudio and the computer didn't do the trick. I reported this problem
to a friend and he suggested to look closely at the output options in
the Sound Settings, and although there was no headset or headphone
plugged in and the "Built-in Audio" was the only device displayed, the
"Mode" options in "Settings for Speakers" were HDMI ones, not the Analog
that should be there for my built-in device. After seeing that, I only
clicked the combobox and it immediately reloaded its options with the
Analog ones, the sound started working again in the moment that
happened.
I'm not sure how to trigger that behaviour. At the moment my notebook is
in a minidock, with two monitors connected to it via DVI. I used my
computer connected to a TV a few days ago, then using an HDMI cable, and
that was about all the contact my machine had to HDMI. I haven't tested
sound after that, only noticed yesterday it wasn't working so probably
never worked since then.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: pulseaudio 1:4.0-0ubuntu2+build1
ProcVersionSignature: Ubuntu 3.11.0-5.11-generic 3.11.0
Uname: Linux 3.11.0-5-generic i686
ApportVersion: 2.12.1-0ubuntu3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ursula 18183 F.... pulseaudio
/dev/snd/pcmC0D0c: ursula 18183 F...m pulseaudio
/dev/snd/pcmC0D0p: ursula 18183 F...m pulseaudio
Date: Tue Sep 10 19:52:49 2013
InstallationDate: Installed on 2013-05-27 (106 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386
(20130213)
MarkForUpload: True
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to saucy on 2013-07-29 (43 days ago)
dmi.bios.date: 12/01/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET56WW (1.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4286CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8DET56WW(1.26):bd12/01/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4286CTO
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 saucy
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https://bugs.launchpad.net/bugs/1223592
Title:
No sound at all because output options were stuck in (maybe) previous
plugged device
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