I have the same issue with ubuntu 11.04. The funny thing is that the sound has been working for a while and then, after an upgrade, it suddenly stop working.
http://www.alsa- project.org/db/?f=d16de3e9fb39efd02af8842c62270f0d84945d2c Any hope to have it working again ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/731660 Title: [Ubuntu 10.10 0 - Soundblaster CA0106] ALSA test tone not correctly played back & no sound playing in any application, including system sounds -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs