I can now capture sound without problems. To simulate a fresh install i removed /var/lib/alsa/asound.state (while running from another system), and booted into ubuntu 6.06.1. I did need to activate recording via the microphone, but this was possible without problem in the volume settings.
-- Can't capture audio via ALSA https://launchpad.net/bugs/25625 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs