search for: bf4ef45e6a38

Hi. I found this issue with IA64 box while looking at the c/s of 18204:21dd1fdb73d8, but I believe the things is same with x86 box. I''m not sure whether this patch coexist with the old ioemu which is to be removed soon. So it might be desirable to apply this patch after deleting the internal ioemu tree. thanks, xm: Don''t spawn vncviewer twice. Without this patch, vncviewer