Re: [linux-audio-user] power down

On Tue, 2005-03-01 at 18:09 -0800, Brad Fuller wrote:
> Lee Revell wrote:
>
> >On Wed, 2005-03-02 at 08:46 +1100, Shayne O'Connor wrote:
> >
> >
> >>vector wrote:
> >>
> >>
> >>
> >>>Hi all
> >>>I realise this is not the place to ask such a question but rather than
> >>>subscribing to yet another forum I ask first just in case.
> >>>I have demudi working now, all except it turning the machine off. It
> >>>goes to shut down the last line on the screen is Power Down but then
> >>>it just sits there. I have to physically turn it off.
> >>>any ideas?
> >>>
> >>>
> >>>
> >>not positive, but my son sometimes gets this .... have you got apic
> >>enabled in the bios?
> >>
> >>
> >>
> >
> >Do you mean "ACPI" maybe?
> >
> >This usually means you don't have power management enabled. It's not
> >Linux specific. For example if you follow the recommendation on many
> >Windows audio web sites and install with the "Standard PC" HAL instead
> >of the "ACPI Uniprocessor PC" then you get the same behavior (PC will
> >not power itself down, you have to turn it off).
> >
> >Enabling either APM or ACPI should do it. But, keep in mind that
> >enabling power management has caused latency problems in the past. It's
> >possible that these issues are solved with a recent kernel.
> >
> >Lee
> >
> >
> >
> I have the same problem on a Dell 6C server, and it doesn't have ACPI
> setting in the bios.
> If I "shutdown -h now" it goes thru the shutdown procedure and ends in
> the exact same place " Power Down".
>
> I wish I could figure it out, but no luck so far (I tried to put acpi=on
> on the kernel boot line in Grub, but no luck.)
>

And you are sure ACPI is enabled in the kernel config?

Lee
Received on Wed Mar 2 08:15:04 2005