Issue #2814 has been updated by swildner.

Status changed from New to Closed

Fixed according to sephe. Closing.


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Bug #2814: No CPU P-state support for AMD FX-4170
http://bugs.dragonflybsd.org/issues/2814#change-12903

* Author: shamaz
* Status: Closed
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Hello. This is related to master. I have AMD FX-4170 CPU with 6 P-states.
For some reason, DragonFlyBSD can work with maximum of 5 for some CPUs.

See
http://gitweb.dragonflybsd.org/dragonfly.git/blob/HEAD:/sys/platform/pc64/acpica/acpi_pstate_machdep.c

I get a message "cpu3: only P0-P4 is allowed" and there are no frequency
related sysctls in hw.acpi.cpu

I suggest an attached patch, which works for me. Further testing requested.

wbr, Vasily.

---Files--------------------------------
pstate.patch (1.34 KB)


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