Well, I did some changes and the problem still remain. I'm posting for
updating.

I installed Ubuntu 10.10, just to see if the pure system identify the
processor correctly. The answer is yes.

====
ph...@phall:~$ cat /proc/cpuinfo
processor    : 0
vendor_id    : GenuineIntel
cpu family    : 15
model        : 4
model name    : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping    : 3
cpu MHz        : 2999.838
cache size    : 2048 KB
physical id    : 0
siblings    : 2
core id        : 0
cpu cores    : 1
apicid        : 0
initial apicid    : 0
fdiv_bug    : no
hlt_bug        : no
f00f_bug    : no
coma_bug    : no
fpu        : yes
fpu_exception    : yes
cpuid level    : 5
wp        : yes
flags        : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc pebs
bts pni dtes64 monitor ds_cpl est cid cx16 xtpr
bogomips    : 5999.67
clflush size    : 64
cache_alignment    : 128
address sizes    : 36 bits physical, 48 bits virtual
power management:

processor    : 1
vendor_id    : GenuineIntel
cpu family    : 15
model        : 4
model name    : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping    : 3
cpu MHz        : 2999.838
cache size    : 2048 KB
physical id    : 0
siblings    : 2
core id        : 0
cpu cores    : 1
apicid        : 1
initial apicid    : 1
fdiv_bug    : no
hlt_bug        : no
f00f_bug    : no
coma_bug    : no
fpu        : yes
fpu_exception    : yes
cpuid level    : 5
wp        : yes
flags        : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc pebs
bts pni dtes64 monitor ds_cpl est cid cx16 xtpr
bogomips    : 6000.61
clflush size    : 64
cache_alignment    : 128
address sizes    : 36 bits physical, 48 bits virtual
power management:
=====

So, I looked in the original configure file of the kernel and it is compiled
with 'Pentium Pro' processor.

Ok, then I restart to compile the kernel, by checking all issues at:
http://www.xenomai.org/index.php/Configuring_x86_kernels

I choosed Pentium 4 processor.

CONFIG_APM disable.
CONFIG_ACPI_PROCESSOR disable.
CONFIG_CPU_FREQ disable.
CONFIG_INPUT_PCSPKR disable.
SMI disable (like before).

The difference between the later ones is:
Before, I disabled all ACPI. Now, I just disabled that ones at the FAQ.
CONFIG_CPU_FREQ was disabled.

So, when I boot the new kernel, the /proc/cpuinfo returns 0.00 of CPU
Frequency again...

The problem is the error at identifying the processor.
The new /proc/cpuinfo returns only one processor... not the both nucleus,
like that one up here.
I really didn't could identify what option could do this.
I compile the kernel with the PENTIUM PRO type... and the same bug occurs.

At my house, worked in a Atlhon X2 4400+.

I'm testing now at another computer of the Laboratory with a Intel Core 2
Duo.

I'm going to continue the tries. I realy intend to send another e-mail with
the solution. :)

Another time, I really thank you all for the help. Let's keep going.

Att.
Alexandre.


2011/1/3 Gilles Chanteperdrix <[email protected]>

> Alexandre Oliveira wrote:
> > r...@phall:/home/phall# cpufreq-set -f 3.0Ghz
> > No cpufreq support
> > r...@phall:/home/phall#
>
> That is normal, cpufreq support should be disabled if you intend Xenomai
> to work correctly.
>
> --
>                                                                 Gilles.
>
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