My HaSee( a relatively small manufacture in China ) Laptop cannot not poweroff when I shut down my system even if using halt -p or poweroff -p command

[Richard Hughes]

On 11 October 2010 02:43, Joel Rees <joel.rees at gmail.com> wrote:
> If the power manager doesn't recognize your power management hardware,
> that's pretty much the correct behavior. And then you have to manually
> shut it down.

You probably want to send your dsdt to the linux-acpi mailing list,
and asking for help. This sounds like an ACPI problem.

Richard.