est CPU support

[Joerg Traeger]

On Monday 01 November 2010, Andriy Gapon wrote:
> on 01/11/2010 18:40 Andriy Gapon said the following:
> > on 01/11/2010 15:13 Andriy Gapon said the following:
> >> on 01/11/2010 14:41 Joerg Traeger said the following:
> >>> You can read the output here: 
> >>> http://xoasis.de/DG45FC_E5200_acpidump.txt
> >>
> >> Your BIOS doesn't provide _PSS method for processor objects, so est
> >> won't work in general ACPI mode.
> >
> > Hmm, it seems that I missed code in your DSDT for dynamically loading
> > SSDT.
>
> It seems that your BIOS makes it a condition that OS supports the following
> feature: ACPI_CAP_C1_IO_HALT.
>
> FreeBSD doesn't really support it, but you can try adding it to 'features'
> variable in acpi_cpu_attach() in function in sys/dev/acpica/acpi_cpu.c;
> look for the following line:
> sc->cpu_features = ACPI_CAP_SMP_SAME | ACPI_CAP_SMP_SAME_C3;
>
> I don't think that should break anything for you, but may improve a thing
> or two. I'd interested in seeing acpidump -d -t produced after the
> patching.
>
> Thank you.


Hey, est seems to be happy now!

coretemp0: <CPU On-Die Thermal Sensors> on cpu0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
coretemp1: <CPU On-Die Thermal Sensors> on cpu1
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1

Even C2 and C3 are anounced.

dev.cpu.0.cx_supported: C1/20 C2/40 C3/60
dev.cpu.0.cx_lowest: C3
dev.cpu.0.cx_usage: 0.09% 2.48% 97.41% last 207us

But the system behaves strange. The fan comes up 10 times a minute and for 
example "sh /etc/rc autoboot" runs 5 minutes now. Load is too high without 
any processes running. And rebooting takes a long time syncing buffers. Are 
these side effects known?

acpidump output did not change.

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