Re: software reset

Jamie Lokier
2003-04-30T07:38:05Z

Andi Kleen wrote:
> The most reliable way is to force a triple fault; load zero into
> the IDT register and then trigger an exception. The linux kernel
> does that in fact for reboot and so far I haven't seen any machine failing
> to reset yet.

There are some 486s which don't boot on triple fault, nor on asking
the keyboard controller to pulse the reset line. Hence the 3rd option,
"reboot=bios".

-- Jamie