Mark Haywood wrote:
>> Rafael Vanoni wrote:
>>> Hi folks
>>> 
>>> On a system that does not support deep c-states, are these warnings
>>> expected ?
>> 
>> From reading the code, I'd expect them because we always assume that
>> the system supports deep c-states and print these messages if no _CST
>> is exported. But, no. It is a bad idea to print these messages on
>> systems that aren't supporting deep c-states. It is a bug.

Yeah, these messages should be put into the log instead of on the screen.

> 
> We should probably do something similar to what Anup did for T-states.
> He used dtrace probes for these type of errors.
> 

What do the dtrace probes mean here? These messages only output during
the boot, right? so dtrace probes will never be hitted after boot?

-Aubrey

>> 
>>> 
>>> 
>>> NOTICE: cpu_acpi: _CST evaluate failure
>>> WARNING: cpu_acpi: error parsing _CST for CPU 1
>>> NOTICE: cpu_idle_init: Failed to cache ACPI C-state data
>>> 
>>> WARNING: cpupm_init: processor 1: unable to initialize C-state
>>> support NOTICE: cpu_acpi: _CST evaluate failure
>>> WARNING: cpu_acpi: error parsing _CST for CPU 2
>>> NOTICE: cpu_idle_init: Failed to cache ACPI C-state data
>>> 
>>> WARNING: cpupm_init: processor 2: unable to initialize C-state
>>> support .. 
>>> 
>>> 
>>> Thanks,
>>> Rafael
>>> _______________________________________________
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>>> tesla-dev at opensolaris.org
>>> http://mail.opensolaris.org/mailman/listinfo/tesla-dev
>> 
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