x11vnc error

hi,
my opensuse 11.1 box don’t like x11vnc. I get an error if I start
#x11vnc -usepw -nache10
at the end:
29/12/2008 09:35:34 --------------------------------------------------------
29/12/2008 09:35:34
29/12/2008 09:35:34 Default visual ID: 0x21
29/12/2008 09:35:34 Read initial data from X display into framebuffer.
29/12/2008 09:35:34 initialize_screen: fb_depth/fb_bpp/fb_Bpl 16/16/2048
29/12/2008 09:35:34 *** unrecognized option(s) ***
29/12/2008 09:35:34 [1] -ncache10
29/12/2008 09:35:34 For a list of options run: x11vnc -opts
29/12/2008 09:35:34 or for the full help: x11vnc -help
29/12/2008 09:35:34
29/12/2008 09:35:34 Here is a list of removed or obsolete options:
29/12/2008 09:35:34
29/12/2008 09:35:34 removed: -hints, -nohints
29/12/2008 09:35:34 removed: -cursorposall
29/12/2008 09:35:34 removed: -nofilexfer, now the default.
29/12/2008 09:35:34
29/12/2008 09:35:34 renamed: -old_copytile, use -onetile
29/12/2008 09:35:34 renamed: -mouse, use -cursor
29/12/2008 09:35:34 renamed: -mouseX, use -cursor X
29/12/2008 09:35:34 renamed: -X, use -cursor X
29/12/2008 09:35:34 renamed: -nomouse, use -nocursor
29/12/2008 09:35:34 renamed: -old_pointer, use -pointer_mode 1
**X Error of failed request: BadShmSeg (invalid shared segment parameter)
Major opcode of failed request: 145 (MIT-SHM)
Minor opcode of failed request: 2 (X_ShmDetach)
Segment id in failed request: 0x0
Serial number of failed request: 38
Current serial number in output stream: 42
**
I did unistall the rpm, but it does not help.
I have 2 Questions for vnc:
How can I fix this error, completly remove vnc then install?

If it works, how to start as a service, each time when the pc boots it starts in the background.

Thanks a lot for your help!

Novell1