It turns out we need to add some additional syscalls to QEMU to make PulseAudio happy. Two minor patches follow ...
--- Paul Moore (2): seccomp: add mkdir() and fchmod() to the whitelist seccomp: add some basic shared memory syscalls to the whitelist qemu-seccomp.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)