Since upgrading to KDE 4.11, kmix doesn't show pulseaudio controls at startup. It is necessary to restart it after startup is finished in order to use the pulseaudio backend. Reproducible: Always
I tested it before the release, and it worked. I tried it again, and it still works for me. Can you do some own investigation to shed more light in this issue?
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*** This bug has been marked as a duplicate of bug 320067 ***