Server cannot boot : mount root> got stuck

Bryan Venteicher bryanv at
Fri Jul 2 05:47:08 UTC 2010

> From: "dhaneshk k" <dhaneshkk at>
> To: freebsd-questions at
> Sent: Friday, July 2, 2010 12:26:34 AM
> Subject: Server cannot boot : mount root> got stuck

> Fellow FreeBSDians,
> I am experiencing a problem with my FreeBSD server box. I can't get
> the system up. when I boot the machine its boots asking for boot
> options, and going with the default boot option
> This is an old freeBSD server box with FreeBSD-6.1
> then its reaching mount root>
> after that nothing, its stuck on this prompt mount root>
> mount root>
> I didn't do anything, day before yesterday its working..
> Yesterday when I tried to login from my desktop , it not allowing me
> to login through my ssh keys
> so I checked physically the server and connected a monitor, seeing the
> boot splash image is garbled with some alphabetic characters.. and
> tried to reboot, hardware reboot.
> But it reaching the boot splash image of FreeBSD with boot options
> displayed, but what ever boot option I select , it not going further,
> but reboots again to the boot splash image screen.
> Today morning I just took its hard disk and connected to another box
> having same specs
> Then I started the box, with the harddisk of my server ..., then it
> going after the boot, so I thought issues over...
> But my bad, this time it comes to a prompt mount root > and stuck
> there..

When you moved the disk to the other server, the device name
probably was changed. When you get a working keyboard, you can use
'?' at that prompt to see what devices GEOM knows about or determine
it from the boot messages.

> No key board inputs works in mount root> prompt

Odd. Are you using a USB keyboard?

> Any hints to recover this issue, most appreciated, and this is a
> production server , and I want it up as early as possible.
> Thanks in Advance
> Dhanesh
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