Hi, >>> I found another workaround: audio hw passthrough. Works nicely. And this >>> indicates that there should be still some room for improvement in the >>> device model so that Windows chooses a proper ring buffer size, no? >> >> Why? For hw passthrough, mmio doesn't go through qemu anymore, right? :) > > The point is that both pt as well as emulation suffer from the same > issue: lacking real-time support of QEMU. So I guess Windows uses a > different buffer size for the real hardware than for our HDA model.
What IRQ rate you are seeing? cheers, Gerd
