Comment 2 for bug 178057

partman calls update-dev which in turn calls udevtrigger and udevsettle, which, according to keybuk, causes udev to reload the sound card modules. HAL's database gets updated and pulseaudio is told about the new card, which in turn plays a sound on it, presumably to signal that it works.

Calling udevtrigger and udevsettle makes sense on the alternate CD, where it needs to manually trigger updates, but the live CD is running udevd, so this is unnecessary as I understand it. We should therefore modify /bin/update-dev to do nothing, as part of ubiquity's build system.

Colin, does this sound reasonable to you?