svfb.server start啟動solaris虛擬xserver報錯

qiaoruzhi78

# ./svfb.server start
Starting Xvfb as prodmgr user for display :3
:3 -screen 0 1280x1024x8 -fbdir /tmp
use: X [:<display>] [option]
-a #                   mouse acceleration (pixels)
-ac                    disable access control restrictions
-audit int             set audit trail level
-auth file             select authorization file
bc                     enable bug compatibility
-bs                    disable any backing store support
-c                     turns off key-click
c #                    key-click volume (0-100)
-cc int                default color visual class
-clients [128|1024]    set maximum client connections
...
...
# cat /usr/openwin/bin/Xvfb
#!/bin/sh

# Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.

echo $*
Xsun $* +nkeyboard +nmouse -dev vfb

結合變量，運行命令為：
Xsun :3 -screen 0 1280x1024x8 -fbdir /tmp +nkeyboard +nmouse -dev vfb

請各位指教到底那里存在問題？謝謝！