est CPU support

[Joerg Traeger]

On Monday 01 November 2010, Andriy Gapon wrote:
> on 01/11/2010 20:52 Joerg Traeger said the following:
> > On Monday 01 November 2010, Andriy Gapon wrote:
> >> on 01/11/2010 20:36 Joerg Traeger said the following:
> >>> On Monday 01 November 2010, Andriy Gapon wrote:
> >>>> 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.
> >>>
> >>> 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?
> >>
> >> Try to not use C3.
>
> Have you already tried this?
> What are the results?

So far everything is fine. The system responds faster now than using C3.

> >> If yes, then could you please do the following?
> >>
> >> $ dd if=/dev/mem of=/tmp/ssdt.dump bs=1 skip=0xCBE61C18 count=0x02CC
> >
> > This works.
> >
> >> $ acpidump -d -f /tmp/ssdt.dump > /tmp/ssdt.asl
> >
> > But:
> > # acpidump -d -f /tmp/ssdt.dump > /tmp/ssdt.asl
> > Segmentation fault: 11
> >
> >> Send me /tmp/ssdt.asl :)
>
> Can you please upload the binary file then?

It is uploaded: http://xoasis.de/ssdt-DG45FC-E5200.dump

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