amd64/121590: powerd may not work correctly

[kevin]

>Number:         121590
>Category:       amd64
>Synopsis:       powerd may not work correctly
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 11 08:10:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     kevin
>Release:        freebsd 7 release
>Organization:
163
>Environment:
FreeBSD xxx-laptop.people.163.org 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Mon Mar 10 19:53:14 CST 2008     root at xxx-laptop.people.163.org:/usr/obj/usr/src/sys/G7laptop  amd64

>Description:
powerd many not work correctly on intel T7700 cpu.
#powerd -v
powerd: using sysctl for AC line status
powerd: using devd for AC line status
idle time < 65%, increasing clock speed from 297 MHz to 893 MHz
powerd: error setting CPU frequency 893: Invalid argument
idle time < 65%, increasing clock speed from 1488 MHz to 2084 MHz
idle time > 90%, decreasing clock speed from 2382 MHz to 2084 MHz
idle time > 90%, decreasing clock speed from 1786 MHz to 1488 MHz
powerd: error setting CPU frequency 1488: Invalid argument
idle time > 90%, decreasing clock speed from 1191 MHz to 893 MHz
powerd: error setting CPU frequency 893: Invalid argument
idle time < 65%, increasing clock speed from 595 MHz to 1191 MHz
powerd: error setting CPU frequency 1191: Invalid argument
idle time < 65%, increasing clock speed from 1786 MHz to 2382 MHz
powerd: error setting CPU frequency 2382: Invalid argument
idle time > 90%, decreasing clock speed from 2382 MHz to 2084 MHz
idle time > 90%, decreasing clock speed from 1786 MHz to 1488 MHz
powerd: error setting CPU frequency 1488: Invalid argument
idle time > 90%, decreasing clock speed from 1191 MHz to 893 MHz
powerd: error setting CPU frequency 893: Invalid argument
idle time > 90%, decreasing clock speed from 595 MHz to 297 MHz
powerd: error setting CPU frequency 297: Invalid argument

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: