关于启动ubuntu的问题

问下我执行boot /mnt:/ubuntu后 Starting configure network device[ OK ]

  • Stopping Failsafe Boot Delay[ OK ]
  • Starting System V initialisation compatibility[ OK ]
  • Starting Bridge file events into upstart[ OK ]
  • Starting Bridge socket events into upstart[ OK ]
  • Stopping System V initialisation compatibility[ OK ]
  • Starting System V runlevel compatibility[ OK ]
  • Starting save kernel messages[ OK ]
  • Starting configure network device security[ OK ]
  • Starting regular background program processing daemon[ OK ]
  • Starting configure virtual network devices[ OK ]
  • Stopping System V runlevel compatibility[ OK ]
  • Stopping save kernel messages[ OK ]
    停到Stopping save kernel messages这里,不往下走了,问下怎么处理?

这个是文档中制作linux根文件系统时候出现的问题