I can confirm this with Dapper and onboard AC97. I have fixed the problem by adding lines: options snd_intel8x0 index=0 options snd_ens1371 index=1 options snd_mpu401_uart index=2 to /etc/modprobe.d/alsa-base
-- Integrated SoundMAX AD1980 occasionally gets index 0 https://launchpad.net/bugs/66210 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
