I have also experienced this crash. While trying to find the right device, I selected ALSA and tested it which produced no sound, then I selected VIA 8237 (one of two in the list), hit test again and it crashed.
The crash report took nearly an hour to build at which point I had already found the right sound device and had watched some video and a few songs. I figured an hour of 90% cpu on my 2.4ghz was a waste if I didn't report this. ** Attachment added: "gdb crash report" http://librarian.launchpad.net/6495438/_usr_bin_gnome-sound-properties.1000.crash -- system-preferences-sound crash after I click 'Test' next to Sound Capture in the Devices tab. https://launchpad.net/bugs/83209 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs