I don't get sound via headphones or internal speakers.
HDMI output works fine.
First occurrs after applying updates at 10.Jan 2014.
Began by lagging.
Hardware is fine.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
Uname: Linux 3.11.0-15-generic i686
NonfreeKernelModules: nvidia wl
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: merlin 2247 F.... pulseaudio
/dev/snd/controlC0: merlin 2247 F.... pulseaudio
Date: Fri Jan 17 13:12:55 2014
InstallationDate: Installed on 2013-07-12 (189 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:MID successful
Symptom_Card: Internes Audio - HDA Intel MID
Symptom_Jack: Green Headphone Out, Left
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Only some of outputs are working
Title: [Aspire 5742G, Realtek ALC272X, Green Headphone Out, Left] Playback problem
UpgradeStatus: Upgraded to saucy on 2013-10-27 (81 days ago)
dmi.bios.date: 11/09/2011
dmi.bios.vendor: Acer
dmi.bios.version: V1.27
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire 5742G
dmi.board.vendor: Acer
dmi.board.version: V1.27
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.27
dmi.modalias: dmi:bvnAcer:bvrV1.27:bd11/09/2011:svnAcer:pnAspire5742G:pvrV1.27:rvnAcer:rnAspire5742G:rvrV1.27:cvnAcer:ct10:cvrV1.27:
dmi.product.name: Aspire 5742G
dmi.product.version: V1.27
dmi.sys.vendor: Acer
This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.