On Sun, Dec 04, 2005 at 07:46:15AM +0100, Hubert Feyrer wrote:
> break on the serial line sounds reasonable, and booting your serial 
> console server might result in that. (It always did for sparcs...)

No, rebooting typicaly does not do this, only power-down does.

> One other thing coming to mind is that there's some magic to change the 
> magic that the break on the serial line involves to something else.

sysctl hw.cnmagic, cnmagic(9) describes the format.

Martin