Weird problem Ubuntu 9.04 — Sound works through speakers; when plug in headphones, sound works at first, but gets softer and softer until it's completely gone in about a minute. Unplugging headphones reveals that the sound no longer works through the speakers!

Fix (for a while at least):

sudo alsamixer

fix "front"

sudo alsactl store

sudo aptitude install asoundconf-gtk alsa-oss libasound2 libasound2-plugins padevchooser gstreamer0.10-pulseaudio ubuntu-restricted-extras

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