I had sound through my speakers and headphones yesterday and today I don't. The test tones did not play.
You are using Ubuntu 10.04 LTS
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC880 Analog [ALC880 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: gokeyp 1320 F.... pulseaudio
/dev/snd/pcmC0D0p: gokeyp 1320 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x6d100000 irq 16'
Mixer name : 'Realtek ALC880'
Components : 'HDA:10ec0880,08600000,00090000'
Controls : 11
Simple ctrls : 6
Date: Sun Sep 19 09:42:19 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SelectedCard: 0 Intel HDA-Intel - HDA Intel
SourcePackage: alsa-driver
Symptom: audio
Title: [HDA-Intel - HDA Intel] ALSA test tone not correctly played back
dmi.bios.date: 02/14/2005
dmi.bios.vendor: Intel Corp.
dmi.bios.version: AG91510J.15A.0816.2005.0214.1818
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: D915GAG
dmi.board.vendor: Intel Corporation
dmi.board.version: AAC77881-306
dmi.chassis.type: 3
dmi.chassis.vendor: Gateway
dmi.modalias: dmi:bvnIntelCorp.:bvrAG91510J.15A.0816.2005.0214.1818:bd02/14/2005:svnGateway:pn838GM:pvr:rvnIntelCorporation:rnD915GAG:rvrAAC77881-306:cvnGateway:ct3:cvr:
dmi.product.name: 838GM
dmi.sys.vendor: Gateway
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.