loader prompt doesn't work

---------- Forwarded message ----------
From: Astrodog <astrodog_at_gmail.com>
Date: 2009/3/30
Subject: Re: loader prompt doesn't work
To: "崔岩ccuiyyan_at_sina.com" <ccuiyyan_at_gmail.com>


2009/3/30 崔岩ccuiyyan_at_sina.com <ccuiyyan_at_gmail.com>:
> Dear all:
>
>     A quick question for loader prompt in FreeBSD OS.
>
>     Recently i do some benchmarking in the FreeBSD OS, and today i decide
> to enable some
>
>     performance tools in the kernel which can be realized by building a new
> kernel.
>
>     Before that, i refer to the FreeBSD handbook for howto.
>
>     It says that if i fail to load the new kernel, we can select the
> "escape to a loader prompt" option.
>
>     By loading the correct kernel,  we can reboot the system.
>
>     However, problem happens. When i select the "escape to a loader prompt"
> option, i can input
>
>     in about just 3 sec. After that, the system cannot go on whatever key i
> hit.
>
>     The whole system have 4 hard disks; and i install 3 OSes in the first 3
> hard disks which are
>
>     Linux, Solaris and FreeBSD in order. All systems are booted using grub.
>
>
>     Any ideas?
>
>
>
>                                           Best Wishes!
>
>                                                     Yan
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Are you using a USB keyboard, by chance?

--- Harrison



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