Can't reboot from ssh command line

[Mike Bird]

On Sun, 2005-09-04 at 12:23, Craig Hagerman wrote:
> The problem is that I access the machine via ssh, and for some reason
> it will not reboot via the command line from another machine. That is,
> if I enter:
> shutdown -r now
> from the remote machine, it gives the message that the server is going
> down.... I am disconnected ... but then it doesn't come up. (I have
> checked and it DOES continue to run - I wonder if something is
> hanging?) If I do:
> shutdown -h now
> it shuts down OK. 
> 
> Also (strangely enough), if the machine is connected to a monitor (and
> I am logged into gdm) and I enter "shutdown -r now" from the local
> terminal it WILL restart without any problems.

What can you see on a (temporary) monitor when you reboot via ssh?