powernow0: set freq failed, err 6

[Alex Keda]

Alexey Ivanov пишет:
> I have repeating errors in /var/log/messages 
>
> [PH34R] ~> tail -f /var/log/messages
> Feb  1 23:34:34 PH34R kernel: powernow0: set freq failed, err 6
> Feb  1 23:34:34 PH34R kernel: powernow1: set freq failed, err 6
> Feb  1 23:34:34 PH34R kernel: powernow0: set freq failed, err 6
> Feb  1 23:34:34 PH34R kernel: powernow1: set freq failed, err 6
> Feb  1 23:34:34 PH34R kernel: powernow0: set freq failed, err 6
> Feb  1 23:34:41 PH34R last message repeated 17 times
>
> Now freq on my notebook is cut by about a half
> dev.cpu.0.freq: 1194
>
> I don't know is it connected, but it first strted when i installed linux 2.6.28 and rebooted from it.
>
> Similiar problem here
>    http://lists.freebsd.org/pipermail/freebsd-current/2008-December/001401.html
> as i know Keda is using same hardware: notebook HP 6715s
 From another machine:
lissyara# sysctl dev.cpu.0.freq_levels
dev.cpu.0.freq_levels: 2786/103000 2587/88689 2388/75690 2189/63943 
1990/53387 1791/48048 1567/42042 1343/36036 1119/30030 995/24422 
870/21369 746/18316 621/15263 497/12211 373/9158 248/6105 124/3052
lissyara# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1343
lissyara# sysctl dev.cpu.0.freq=2786
dev.cpu.0.freq: 1343
sysctl: dev.cpu.0.freq: Device not configured
lissyara# uname -a
FreeBSD lissyara.moskb.local 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Fri Jan 
23 19:14:54 MSK 2009     
lissyara at lissyara.moskb.local:/usr/obj/mnt/jabber/DISTR/FreeBSD/src/CURRENT/sys/USB2  
amd64
lissyara#   
===============
1343 MHz - set by powerd, after start. but, after 3-5 seconds work, I 
have in log

powernow0: set freq failed, err 6
powernow1: set freq failed, err 6
powernow0: set freq failed, err 6
powernow1: set freq failed, err 6
powernow0: set freq failed, err 6

And cannot change frequency