Package: pulseaudio Version: 9.0-1.1 --- Please enter the report below this line. ---
I had the same Problem. Installation of pulseaudio-module-udev package helped here.
--- System information. --- Architecture: amd64 Kernel: Linux 4.6.0-1-amd64 Debian Release: stretch/sid 500 testing ftp.at.debian.org --- Package information. --- Depends (Version) | Installed ======================================================-+-======================= libasound2 (>= 1.0.24.1) | libc6 (>= 2.15) | libcap2 (>= 1:2.10) | libdbus-1-3 (>= 1.9.14) | libfftw3-single3 | libgcc1 (>= 1:3.0) | libice6 (>= 1:1.0.0) | libltdl7 (>= 2.4.6) | liborc-0.4-0 (>= 1:0.4.25) | libpulse0 (= 9.0-1.1) | libsm6 | libsndfile1 (>= 1.0.20) | libsoxr0 (>= 0.1.0) | libspeexdsp1 (>= 1.2~beta3.2-1) | libstdc++6 (>= 4.1.1) | libsystemd0 | libtdb1 (>= 1.2.7+git20101214) | libudev1 (>= 183) | libwebrtc-audio-processing1 | libx11-6 | libx11-xcb1 | libxcb1 | libxtst6 | adduser | lsb-base (>= 3.2-13) | libasound2-plugins | pulseaudio-utils | Recommends (Version) | Installed =====================================-+-=========== pulseaudio-module-x11 | rtkit | pulseaudio-module-udev | 9.0-1.1 Suggests (Version) | Installed ==========================-+-=========== pavumeter | pavucontrol | 3.0-3+b2 paman | paprefs |