红帽6.4 用光盘安装，u盘做引导，成功进入系统，然后我就把u盘拔下来了，然后就出现kernel panic界面了，我再把u盘插上就直接进入grub界面了，怎样，才能正常进入系统呢
光阴似箭催人老，日月如移越少年。
You may have set the U disk as the first in the boot sequence, just adjust it
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You may have set the U disk as the first in the boot sequence, just adjust it