Having not had this bug in a while, it seems to have resurfaced on Lucid for me with alsa 1.0.22.1+dfsg-0ubuntu3 and linux 2.6.32.19.20.
Having not had this bug in a while, it seems to have resurfaced on Lucid for me with alsa 1.0.22. 1+dfsg- 0ubuntu3 and linux 2.6.32.19.20.