进入xfce时出现的错误和问题，请帮忙看一下该如何解决

maxshang

[max@arch ~]$ startxfce4
/opt/xfce4/bin/startxfce4: Starting X server

X Window System Version 6.8.2
Release Date: 9 February 2005
X Protocol Version 11, Revision 0, Release 6.8.2
Build Operating System: Linux 2.6.13-rc6 i686 [ELF]
Current Operating System: Linux arch 2.6.13-ARCH #1 SMP Fri Sep 30 13:08:16 CEST 2005 i686
Build Date: 22 August 2005
        Before reporting problems, check http://wiki.X.Org
        to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Tue Oct  4 00:28:42 2005
(==) Using config file: "/etc/X11/xorg.conf"

(WW) VMWARE(0): Failed to set up write-combining range (0xfa000000,0x1000000)
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Error:            No Symbols named "nodeadkeys" in the include file "pc/us"
>                   Exiting
>                   Abandoning symbols file "default"
Errors from xkbcomp are not fatal to the X server
Warning: font renderer for ".pcf" already registered at priority 0
Warning: font renderer for ".pcf.Z" already registered at priority 0
Warning: font renderer for ".pcf.gz" already registered at priority 0
Warning: font renderer for ".snf" already registered at priority 0
Warning: font renderer for ".snf.Z" already registered at priority 0
Warning: font renderer for ".snf.gz" already registered at priority 0
Warning: font renderer for ".bdf" already registered at priority 0
Warning: font renderer for ".bdf.Z" already registered at priority 0
Warning: font renderer for ".bdf.gz" already registered at priority 0
Warning: font renderer for ".pmf" already registered at priority 0
/opt/xfce4/etc/xdg/xfce4/xinitrc: line 52: xscreensaver: command not found
Agent pid 4320
which: no dbus-launch in (/bin:/usr/bin:/sbin:/usr/sbin:/usr/X11R6/bin:/opt/xfce4/bin:/opt/xfce4/bin)
alsa: Mixer attach default error: Permission denied
alsa: Mixer attach default error: Permission denied

SEPTEM

权限的问题导致的吧。