On Sat, Mar 22, 2014 at 2:17 AM, Adam Nielsen <[email protected]> wrote: >> Here's an oddity: with the CPU maxxed-out by a rogue process, audio >> played smoothly with no underruns. But as soon as I killed the >> rogue process, choppy, interrupted audio resumed. > > Has the kernel been updated? Perhaps some defaults were changed. This > could be power management related, e.g. if the CPU is placed in low > power mode but then doesn't wake up in time to refill the audio buffer.
It's an amazing discovery Robert! I can confirm that if I run a simple "while true; do find / -name pi; done" in another terminal the audio plays smoothly. I agree with Adam that it must be some power saving function in the hardware and/or the kernel we should look for. Alex
