ALSA default output dissapears after I use a usb-soundcard

[Marcus]

Binary package hint: kdebase-runtime

After I plug a usb-soundcard into my computer, my "ALSA default output" dissapears from the multimedia settings.

Sound in kde applications seems to be silent too. Non-kde applications seem to give normal sount ouput.

Reeboting doesn't help.

If I run /usr/bin/systemsettings as an other user, I can see my "ALSA default output" again.

lsb_release -rd
Description: Ubuntu 9.10
Release: 9.10

[Marcus (marcus-liljedahl)]

My computer can end up in two "modes", one where the multimedia settings in kde shows only "ALSA default output" and "OSS default output", and in the other mode, kde multimedia settings shows the real name of my audio devices, such as "HDA Intel (ALC269 Analog)". Its in the first mode that the kde gets confused when I plug in my USB-soundcard. The "ALSA default output" never shows up anymore and I cant play sound in kde apps. Note that non-kde apps still works, regardless of which "mode" that my computer ends up in.

I have noticed that the lenovo_acpi module has something to do with this problem. When I remove that module the computer seems to end up in the "good" mode every time. But when that module is enabled the computer can end up in both modes, but after I switched to Lucid it always ends up in the bad mode when that module is loaded.

The lenovo_acpi module is a module from the ubuntu forums that disables the discrete graphics card in the computer. The discrete graphics card also has a hdmi sound output, so I suppose thats the reason why this module affects the sound system.

[Harald Sitter (apachelogger)]

With improved Pulseaudio integration in Phonon this should be fixed nowadays.