Comment 0 for bug 548661

Sounds only comes from built-in speakers, whether or not headphones are plugged in. This started happening on Karmic after I ran a Mumble session, and has continued into a Lucid upgrade. Other tidbits:

- the same behaviour happens if I plug headphones directly into laptop, or into the jacks on the docking station, or if I use the little USB-jack thing that came with the headphones

- the headphones work fine on other computers

- The mic in the headphones still seems to work, even when sound will only come from the built-in speakers

- I've checked sound preferences, can't find anything that is muted

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: jane 1338 F.... pulseaudio
 /dev/snd/pcmC0D0c: jane 1338 F...m pulseaudio
 /dev/snd/pcmC0D0p: jane 1338 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 17'
   Mixer name : 'Analog Devices AD1981'
   Components : 'HDA:11d41981,17aa2025,00100200'
   Controls : 20
   Simple ctrls : 11
Date: Fri Mar 26 09:28:52 2010
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
PackageArchitecture: all
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SourcePackage: alsa-driver
Uname: Linux 2.6.32-17-generic i686
UserAsoundrc:
 # ALSA library configuration file

 # Include settings that are under the control of asoundconf(1).
 # (To disable these settings, comment out this line.)
 </home/jane/.asoundrc.asoundconf>