Hello everyone, I have a Jabra Pro 9465 DECT headset attached to my laptop via USB. This used to work like a charm with my old laptop (a ThinkPad T420s running PulseAudio 1.1 and 4.0). Recently, I switched to a T440p and am having problems with the headset's microphone disappearing from PulseAudio over a suspend/resume cycle ever since. The microphone source is still visible in ALSA after the resume (e.g., through alsamixer). I found out the following factors, which contribute to the problem occurring: - SMP: When I limit the CPU to one core and one thread the problem disappears - USB 3.0: When I force the USB ports to USB 2.0 the problem disappears The problem occurs with PA 4.0 and 5.0 running on Kubuntu 14.04 (x86_64, kernel 3.17-rc1). Any ideas how to continue debugging this? I captured the `pulseaudio -vvvvv` output for both scenarios (using PA 5.0): - Failure (source lost): https://secure.tgbyte.de/dropbox/YtuIpmg4k0Ha3P25-failure.log - Sucess (source survived S3): https://secure.tgbyte.de/dropbox/YtuIpmg4k0Ha3P25-success.log Thanks, Thilo