2.解决：在论坛搜索到的有用的命令。执行sudo rmmod kvm_intel 和sudo rmmod kvm这两条命令后，virtualbox就可以使用。也已经执行过sudo update-rc.d kvm remove -f,kvm还是存在。
3.问题：如何彻底解决 ？
4.说明：我在安装kvm前，使用build-dep qemu-kvm安装了一堆软件(15M左右，占用空间75M左右);现在使用locate kvm,能够找出一串含有 kvm的东东，怎么处理这些东东？最后一个问题，还是没有彻底清除掉kvm内核，我的是intel内核。
5.附已经查找到的帖子。
viewtopic.php?f=65&t=242507
viewtopic.php?f=65&t=256326&start=0
viewtopic.php?f=65&t=170829
viewtopic.php?f=65&t=129367
locate kvm的内容。
代码： 全选
$ locate kvm
/lib/modules/2.6.32-25-generic/kernel/arch/x86/kvm
/lib/modules/2.6.32-25-generic/kernel/arch/x86/kvm/kvm-amd.ko
/lib/modules/2.6.32-25-generic/kernel/arch/x86/kvm/kvm-intel.ko
/lib/modules/2.6.32-25-generic/kernel/arch/x86/kvm/kvm.ko
/usr/bin/kvm-ok
/usr/include/asm/kvm.h
/usr/include/asm/kvm_para.h
/usr/include/linux/kvm.h
/usr/include/linux/kvm_para.h
/usr/share/man/man1/kvm-ok.1.gz
/usr/src/linux-headers-2.6.32-25/arch/ia64/kvm
/usr/src/linux-headers-2.6.32-25/arch/ia64/include/asm/kvm.h
/usr/src/linux-headers-2.6.32-25/arch/ia64/include/asm/kvm_host.h
/usr/src/linux-headers-2.6.32-25/arch/ia64/include/asm/kvm_para.h
/usr/src/linux-headers-2.6.32-25/arch/ia64/kvm/Kconfig
/usr/src/linux-headers-2.6.32-25/arch/ia64/kvm/Makefile
/usr/src/linux-headers-2.6.32-25/arch/powerpc/kvm
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm_44x.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm_asm.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm_e500.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm_host.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm_para.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/include/asm/kvm_ppc.h
/usr/src/linux-headers-2.6.32-25/arch/powerpc/kvm/Kconfig
/usr/src/linux-headers-2.6.32-25/arch/powerpc/kvm/Makefile
/usr/src/linux-headers-2.6.32-25/arch/s390/kvm
/usr/src/linux-headers-2.6.32-25/arch/s390/include/asm/kvm.h
/usr/src/linux-headers-2.6.32-25/arch/s390/include/asm/kvm_host.h
/usr/src/linux-headers-2.6.32-25/arch/s390/include/asm/kvm_para.h
/usr/src/linux-headers-2.6.32-25/arch/s390/include/asm/kvm_virtio.h
/usr/src/linux-headers-2.6.32-25/arch/s390/kvm/Kconfig
/usr/src/linux-headers-2.6.32-25/arch/s390/kvm/Makefile
/usr/src/linux-headers-2.6.32-25/arch/x86/kvm
/usr/src/linux-headers-2.6.32-25/arch/x86/include/asm/kvm.h
/usr/src/linux-headers-2.6.32-25/arch/x86/include/asm/kvm_emulate.h
/usr/src/linux-headers-2.6.32-25/arch/x86/include/asm/kvm_host.h
/usr/src/linux-headers-2.6.32-25/arch/x86/include/asm/kvm_para.h
/usr/src/linux-headers-2.6.32-25/arch/x86/kvm/Kconfig
/usr/src/linux-headers-2.6.32-25/arch/x86/kvm/Makefile
/usr/src/linux-headers-2.6.32-25/drivers/s390/kvm
/usr/src/linux-headers-2.6.32-25/drivers/s390/kvm/Makefile
/usr/src/linux-headers-2.6.32-25/include/linux/kvm.h
/usr/src/linux-headers-2.6.32-25/include/linux/kvm_host.h
/usr/src/linux-headers-2.6.32-25/include/linux/kvm_para.h
/usr/src/linux-headers-2.6.32-25/include/linux/kvm_types.h
/usr/src/linux-headers-2.6.32-25/include/trace/events/kvm.h
/usr/src/linux-headers-2.6.32-25/virt/kvm
/usr/src/linux-headers-2.6.32-25/virt/kvm/Kconfig
/usr/src/linux-headers-2.6.32-25-generic/arch/x86/kvm
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/have/kvm
/usr/src/linux-headers-2.6.32-25-generic/include/config/have/kvm.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/have/kvm/eventfd.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/have/kvm/irqchip.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm/amd.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm/apic
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm/clock.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm/guest.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm/intel.h
/usr/src/linux-headers-2.6.32-25-generic/include/config/kvm/apic/architecture.h
/usr/src/linux-headers-2.6.32-25-generic/include/linux/kvm.h
/usr/src/linux-headers-2.6.32-25-generic/include/linux/kvm_host.h
/usr/src/linux-headers-2.6.32-25-generic/include/linux/kvm_para.h
/usr/src/linux-headers-2.6.32-25-generic/include/linux/kvm_types.h