I just installed Kubuntu 9.10 and I have the same issue. No sound in Firefox/flash, but I had no sound in Audacious, too. In Audacious I fixed it by selecting another playback device (since I have a USB head set), so I thought that was the problem. I never used Pulseaudio on Kubuntu and it got installed when I updated. Since GTK apps use Pulseaudio I installed PulseAudio Volume Control (pavucontrol) in which you can select a default device, selected my sound card and that fixed my problem.
Removing pulse audio all together fixed it, too. I never used it before, I don't see a reason to use it now. To remove pulse audio just type: sudo apt-get remove pulseaudio pulseaudio-module-gconf pulseaudio-module-udev pulseaudio-module-zeroconf -- karmic: No sound from flash https://bugs.launchpad.net/bugs/396558 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase-runtime in ubuntu. -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs