David Morrell wrote: > Here's the next instalment. First, the background. > > The problem was that a Creative Audigy2 card that had worked perfectly > in Ubuntu 8.04 suddenly went silent after an upgrade to Ubuntu Studio > 9.04. It still worked perfectly in Windows on the same dual boot machine. > > <snip> > I've done a bit more testing and reported it on the Ubuntu bug reporting > system as follows. The bug is at; > > https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/406356 > > > To reproduce the bug then repair the damage, do the following. > > Delete /var/lib/asound.state (to mimic a fresh install, when it has not > yet been created) > > Run > > alsactl init > > The sound card is probed. Alsactl reports; > > Unknown hardware: "Audigy2" "SigmaTel STAC9750,51" "AC97a:83847650" > "" "" > Hardware is initialized using a guess method > > A version of asound.state is created that lacks (at least) a master > volume mute switch. There is no sound output. > > Restore the previously good asound.state, run 'alsactl restore' and the > card works again. > > Does this mean that something (I don't know what) needs to be improved > so it can recognise this card (Audigy 2 Value [SB0400)? > David, My understanding was that the functionality/setup of the Audigy driver was buggered in the 9.04 J.J. kernel module. Once you've fiddled with alsamixer, and created a working /var/lib/alsa/asound.state file it should be fine. I believe this is fixed in the 9.10 K.K. version. Frank _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user