Console options for legacy-free mini-itx server?

Jung-uk Kim jkim at
Tue Nov 16 23:36:29 UTC 2010

On Sunday 14 November 2010 11:55 pm, Andrew Reilly wrote:
> Oh: the other thing about this system: I can't warm-start
> it, have to power down and then manually hit the power-on
> button.  Attempting to reboot leaves the console sitting at
> something like "Stopping other CPUs" forever.  I assume that
> this is a BIOS config problem, but haven't found the right
> control knob yet.  I've tried turning hyperthreading on and off:
> no difference.  Reading the kernel code around that message
> suggests that rebooting involves getting the keyboard controller
> to send an NMI, and I wonder if the legacy-free no-keyboard
> state of my system is having an effect on that, too?

You may try "sysctl hw.acpi.handle_reboot=1".  If it works, just add 
it in /etc/sysctl.conf.

FYI, it is automatically set since r213755 and MFC'd to stable/8 as 

Jung-uk Kimr213755

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