pulseaudio使用过程中遇到的问题

W: [pulseaudio] main.c: This program is not intended to be run as root (unless --system is specified).
E: [pulseaudio] core-util.c: Home directory not accessible: Permission denied

./pulseaudio: line 202: cd: /home/pengrui/my-imx6/02_source/imx-3.14.52_1.0.o_ga/app/bluetooth/alsa/pulseaudio-5.0/src: No such file or directory

W: [pulseaudio] main.c: Running in system mode, but --disallow-exit not set!
W: [pulseaudio] main.c: Running in system mode, but --disallow-module-loading not set!
N: [pulseaudio] main.c: Running in system mode, forcibly disabling SHM mode!
N: [pulseaudio] main.c: Running in system mode, forcibly disabling exit idle time!
E: [pulseaudio] main.c: Failed to find user ‘pulse’.

root@myzr:~# pulseaudio --system
W: [pulseaudio] main.c: Running in system mode, but --disallow-exit not set!
W: [pulseaudio] main.c: Running in system mode, but --disallow-module-loading not set!
N: [pulseaudio] main.c: Running in system mode, forcibly disabling SHM mode!
N: [pulseaudio] main.c: Running in system mode, forcibly disabling exit idle time!
W: [pulseaudio] main.c: Home directory of user ‘pulse’ is not ‘/home/pengrui/my-imx6/02_source/imx-3.14.52_1.0.o_ga/app/bluetooth/alsa/pulseaudio-5.0/build/var/run/pulse’, ignoring.
W: [pulseaudio] caps.c: Normally all extra capabilities would be dropped now, but that’s impossible because PulseAudio was built without capabilities support.
W: [pulseaudio] main.c: OK, so you are running PA in system mode. Please note that you most likely shouldn’t be doing that.
W: [pulseaudio] main.c: If you do it nonetheless then it’s your own fault if things don’t work as expected.
W: [pulseaudio] main.c: Please read http://pulseaudio.org/wiki/WhatIsWrongWithSystemMode for an explanation why system mode is usually a bad idea.
E: [pulseaudio] main.c: Daemon startup without any loaded modules, refusing to work.

imx-hdmi-audio imx-hdmi-audio: ASoC: can’t open platform imx-hdmi-audio: -22
E: [pulseaudio] module.c: Failed to load module “module-alsa-sink” (argument: “device_id=1”): initialization failed.
E: [pulseaudio] main.c: Failed to acquire org.pulseaudio.Server: org.freedesktop.DBus.Error.AccessDenied: Connection “:1.8” is not allowed to own the service “org.pulseaudio.Server” due to security policies in the configuration file