大概几分钟或者十几分钟后提示Timed out while waiting for the machine to boot. This meansthat Vagrant was unable to communicate with the guest machine withinthe configured ("config.vm.boot_timeout" value) time period. 然后就停了
还有可以使用gui调试看看是不是哪里报错了
遇到过，很有可能是电脑bios没有开启虚拟化技术，重启电脑进bios开启下。我这边是这样解决的。