Re: [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again)

H. Peter Anvin
2008-11-14T01:25:12Z

Zhao Yakui wrote:
> I do the test as required. First the 0x02 is written to 0xCF9 I/O port.
> The return value by reading the 0xCF9 I/O port is 0x02. Then the 0x06 is
> written to the 0xCF9 I/O port. The screen becomes black but the box
> can't be rebooted.

What is the value of the CF9 port before you do anything?

-hpa