Comment 1 for bug 433782

Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately we can't fix it without more information.

Please include the information requested from the "Reporting Sound Bugs" section of https://wiki.ubuntu.com/DebuggingSoundProblems as separate attachments.

This information can be gathered for you automatically using the command apport-collect -p alsa-base 433782. Additionaly, have you tried to update your Karmic system to latest version?

Regards