On 7/19/07, Russell Harmon <[EMAIL PROTECTED]> wrote:
Hey, I just noticed that my cpu doesn't seem to have a C3 power state.
Is there any way to get it working?
I have a centrino duo 1.83ghz in my x60 thinkpad.
Thanks for your help!
Relevant lines in dmesg:
ACPI: SSDT 5F6F1D26, 0240 (r1 PmRef Cpu0Ist 100 INTL 20050513)
ACPI: SSDT 5F6F1FEB, 065A (r1 PmRef Cpu0Cst 100 INTL 20050513)
ACPI: CPU0 (power states: C1[C1] C2[C2])
Maybe because of high C3 latency, no bus master support,..?
If you could dump the ACPI _CST table it would be useful.
Alternatively you could enable acpi debugging in your kernel, and
enable ACPI_DB_INFO messages. It should tell you why you don't have
more C-states.
--Edwin
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