Could you please run GST_NO_COLOR=1 GST_DEBUG=3 gst-launch -v alsasrc ! alsasink &> gst-launch.log and attach the gst-launch.log file that is created? ** Changed in: gstreamer0.10 (Ubuntu) Assignee: (unassigned) => Sebastian Dröge Status: Unconfirmed => Needs Info -- gstreamer alsasrc problem https://launchpad.net/bugs/42998