[CentOS] cpuspeed problems with 5.2 and 2.6.18-92.1.18 kernel revision
ArcosCom Linux User
linux at arcoscom.com
Thu Dec 18 07:06:38 UTC 2008
El Jue, 18 de Diciembre de 2008, 1:45, MHR escribió:
> On Wed, Dec 17, 2008 at 4:09 PM, ArcosCom Linux User <linux at arcoscom.com>
> wrote:
>> The same as before, instead compile I do the dd comand and see the
>> /proc/cpuinfo info at the same time the cpuspeed monitor under gnome
>> shows
>> the same as cpuinfo: 800Mhz.
>>
>> Another way to go?
>>
>
> Can you NOT top post here??
Sorry for my poor english: What is the meaning of "top post"? (spanish
speaker here).
>
> Let me try again:
>
> While the dd command is running, what is the content of /proc/cpuinfo?
Please, don't think that I don't know how to run the commands and the
info. To do that I opened 2 gnome-terminal windows and while the dd
command was running I run the "cat /proc/cpuinfo" in the other window and
see the "cpu MHz" value to write here.
But, to allow you to convince, here is it (and more interesting values):
# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R) Pentium(R) M processor 1.73GHz
stepping : 8
cpu MHz : 800.000
cache size : 2048 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx up est tm2
bogomips : 1597.32
# cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
800000
# cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
800000
# cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
1733000
# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
1733000 1333000 1067000 800000
# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver
centrino
# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
userspace performance
(when I configure "ondemand" in /etc/sysconfig/cpuspeed, above appears
"ondemand" governor too, but the problem persists).
# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
userspace
# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
800000
# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
800000
(and I think this last value is the problem because I can't change it with
echo "1733000" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq)
And while the dd command were running I tried to put performance governor
too into scaling_governor.
I have to insist again, I think that is something that I have
misconfigured or is not working fine in gnome that do something and breaks
the cpuspeed daemon or have any type of incompatibility with it, because,
as I can remember, the cpuspeed were working fine.
I'll try the new 2.6-92.1.22 kernel too, but in the new kernel changelog
not appears to be any type of fix that affect to this.
>
> Thank you.
Thanks.
>
> mhr
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