我想在命令行下面启动虚拟机（只管启动即可），google之后，人家说要装xserver，但是我看到UEC之类的，都不需要安装啊，而且我也在UEC的node物理机上面试了，也是这个问题，是不是启动参数有控制？

leejd@Node1:~/kvm$ sudo qemu-system-x86_64 -hda winxp.img -cdrom ../XPSP3.iso -boot d -m 384 -no-acpi
open /dev/kvm: No such file or directory
Could not initialize KVM, will disable KVM support
commandline read: qemu-system-x86_64
commandline read: -hda
commandline read: winxp.img
commandline read: -cdrom
commandline read: ../XPSP3.iso
commandline read: -boot
commandline read: d
commandline read: -m
commandline read: 384
commandline read: -no-acpi

~~~~~~~~~~~~~~~~~~~~~~~~~~| DirectFB 1.2.7 |~~~~~~~~~~~~~~~~~~~~~~~~~~
(c) 2001-2008 The world wide DirectFB Open Source Community
(c) 2000-2004 Convergence (integrated media) GmbH
----------------------------------------------------------------

(*) DirectFB/Core: Single Application Core. (2009-06-02 06:26)
(*) Direct/Memcpy: Using libc memcpy()
(!) Direct/Util: opening '/dev/fb0' and '/dev/fb/0' failed
--> No such file or directory
(!) DirectFB/FBDev: Error opening framebuffer device!
(!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable.
(!) DirectFB/Core: Could not initialize 'system_core' core!
--> Initialization error!
Could not initialize SDL - exiting