On Monday 09 April 2007, Timothy Murphy wrote: > I'm running KDE-3.5.6 under Fedora-6 with kernel 2.6.20-1.2933.fc6, > on a ThinkPad T43 with Intel AC'97 Audio Controller (ICH6 Family), > and I can hear nothing - sound is turned off. > > However, if I go to Control Centre=>Sound & Multimedia=>Sound System > and click on Test Sound I hear the sound perfectly - > but that is the only place I can hear anything. > Because system sounds and other sounds don't use the same output channels. There have been lots of messages on this list about a recent update re-setting the channels, lowering them or muting them. Run alsamixer from a terminal and check all the outputs. > If I go to F (K Menu)=>Administration=>Soundcard Detection > I hear nothing when I press the "Test sound" button, > although the correct Model and Module are chosen. > > The log file says > "aplay: main:545: audio open error: Device or resource busy". > If anything is hogging it, it's likely to be aRts. In kcontrol > Sound & Multimedia > Sound System make sure that 'Auto-suspend if idle after:' is set to 1 second. > I am baffled by this; I could understand if sound never worked, > but why does it only work when tested in the Control Centre? > > I see that I am told in the Control Centre sound module, > "The KDE sound system takes exclusive control > over your audio hardware, > blocking programs that may wish to use it directly." > See above. > Is this the cause of my problem? > If so, who asked KDE sound to take exclusive control? > Can I tell it, "Thank you but no thanks"? > That should do it. Anne
