Comment 34 for bug 1428121

I tested both devices. For X in 3, 7, 8 the following command produces either a click in either a TV or a monitor (on older kernels like 3.11) or no sound at all (on newer kernels from git, or on the "remaining" device that corresponds to the unconnected port), and logs "playback write error (DMA or IRQ trouble?)":

pasuspender -- aplay -D hw:0,$X /usr/share/sounds/startup3.wav

As for different vs the same stream tags - how do I test that it is indeed my problem?

P.S. there is a cat show today, I will be able to reply and test your suggestions only after it.