> I've attached a patched CPU driver. Mario, if you care to give it a try,
> you need to copy it to /platform/i86pc/kernel/drv/amd64/cpudrv and
> reboot your machine.

With that driver, my P-states are back and in use. Thanks for your help.

I still get the same T-state related errors, tho.

Regards,
-mg

Sep 17 11:47:01 hyperborea cpudrv: [ID 569748 kern.info] NOTICE:
cpu_acpi: _TSS package not found.
Sep 17 11:47:01 hyperborea cpudrv: [ID 227567 kern.warning] WARNING:
cpu_acpi: error parsing _TSS for CPU instance 0
Sep 17 11:47:01 hyperborea cpudrv: [ID 888440 kern.warning] WARNING:
cpudrv_mach_pm_init: instance 0: unable to initialize T-state support
Sep 17 11:47:01 hyperborea genunix: [ID 408114 kern.info] /cpus/cpu at 0
(cpudrv0) online
Sep 17 11:47:07 hyperborea cpudrv: [ID 569748 kern.info] NOTICE:
cpu_acpi: _TSS package not found.
Sep 17 11:47:07 hyperborea cpudrv: [ID 227567 kern.warning] WARNING:
cpu_acpi: error parsing _TSS for CPU instance 1
Sep 17 11:47:07 hyperborea cpudrv: [ID 888440 kern.warning] WARNING:
cpudrv_mach_pm_init: instance 1: unable to initialize T-state support
Sep 17 11:47:07 hyperborea genunix: [ID 408114 kern.info] /cpus/cpu at 1
(cpudrv1) online
Sep 17 11:47:07 hyperborea cpudrv: [ID 569748 kern.info] NOTICE:
cpu_acpi: _TSS package not found.
Sep 17 11:47:07 hyperborea cpudrv: [ID 227567 kern.warning] WARNING:
cpu_acpi: error parsing _TSS for CPU instance 2
Sep 17 11:47:07 hyperborea cpudrv: [ID 888440 kern.warning] WARNING:
cpudrv_mach_pm_init: instance 2: unable to initialize T-state support
Sep 17 11:47:07 hyperborea genunix: [ID 408114 kern.info] /cpus/cpu at 2
(cpudrv2) online
Sep 17 11:47:07 hyperborea cpudrv: [ID 569748 kern.info] NOTICE:
cpu_acpi: _TSS package not found.
Sep 17 11:47:07 hyperborea cpudrv: [ID 227567 kern.warning] WARNING:
cpu_acpi: error parsing _TSS for CPU instance 3
Sep 17 11:47:07 hyperborea cpudrv: [ID 888440 kern.warning] WARNING:
cpudrv_mach_pm_init: instance 3: unable to initialize T-state support
Sep 17 11:47:07 hyperborea genunix: [ID 408114 kern.info] /cpus/cpu at 3
(cpudrv3) online


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