Li, Aubrey wrote: > 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. >
I think that they are going to the log. Not the screen. However, that behavior is undesirable as well. That's why Anup had to change the T-state messages to use dtrace probes. > >> 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? > Anonymous dtrace can be used to catch the probes. Mark > -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 >>>> _______________________________________________ >>>> tesla-dev mailing list >>>> tesla-dev at opensolaris.org >>>> http://mail.opensolaris.org/mailman/listinfo/tesla-dev >>>> >>> _______________________________________________ >>> tesla-dev mailing list >>> tesla-dev at opensolaris.org >>> http://mail.opensolaris.org/mailman/listinfo/tesla-dev >>> >> _______________________________________________ >> tesla-dev mailing list >> tesla-dev at opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/tesla-dev >> > >
