Re: ACPI S3 and VIA (C3) CPU

["Joel CARNAT" <joel%carnat.net@localhost>]

Le Dim 31 août 2008 22:52, Nicolas Joly a écrit :
> On Sun, Aug 31, 2008 at 10:44:29PM +0200, Joel CARNAT wrote:
>> Hello,
>>
>> I tried zzz(8) on my VIA machine (VIA Nehemiah) but got the error:
>> acpi0: entering state 3
>> acpi0: ACPI S3 not available on this platform
>> Using "sudo apm -S" just froze the machine.
>>
>> It's running a GENERIC 4.99.72 kernel on top of a 4.99.63 userland.
>> I'm checking if it's worth upgrading the whole system (userland +
>> pkgsrc)
>> to 4.99.72.
>>
>> According to sysctl there is a suspend option:
>> machdep.acpiapm.standby = 1
>> machdep.acpiapm.suspend = 3
>
> Just to be sure, check with `hw.acpi.supported_states' node :
>
> njoly@petaure [~]> sysctl hw.acpi.supported_states
> hw.acpi.supported_states = S0 S1 S3 S4 S5
>

# sysctl hw.acpi
hw.acpi.root = 1010208
hw.acpi.supported_states = S0 S1 S4 S5

Is there some hidden option to enable in the kernel ?

TIA,
   Jo