I was wrong about pulseaudio. Now I'm sure its 3.x kernel bug/regression. I've just tested 3 different kernels: 3.0.0 (current oneiric) - no mic input/glitches, 3.1-rc4 (from mainline ppa) - same as above, 2.6.38 (from natty) - mic works flawlessly.
I was wrong about pulseaudio. Now I'm sure its 3.x kernel bug/regression. I've just tested 3 different kernels: 3.0.0 (current oneiric) - no mic input/glitches, 3.1-rc4 (from mainline ppa) - same as above, 2.6.38 (from natty) - mic works flawlessly.