How to identify the number of cpu cores correctly

[biogon28]

Hi
I have install CentOS 6.6 on HP Proliant DL360 Gen9 Server
And it works OK.
But When I compiled new kernel 4.04 and make it work,
It identifies only 1 core of CPU.
How to solve it?
Thanks a lot

[gerald_clark]

CentOS ships and supports the 2.6.32 kernel.
Elrepo has 3.10 and 3.19 kernels.

We don't support other kernels.
Perhaps you are missing acpid support.

[Whoever]

Did you enable "Symmetric multi-processing support" (under "Processor type and features")?

[biogon28]

Did you enable "Symmetric multi-processing support" (under "Processor type and features")?

yes, enabled

[biogon28]

CentOS ships and supports the 2.6.32 kernel.
Elrepo has 3.10 and 3.19 kernels.

We don't support other kernels.
Perhaps you are missing acpid support.

thanks。

acpid is stopped and can not be started

[biogon28]

CentOS ships and supports the 2.6.32 kernel.
Elrepo has 3.10 and 3.19 kernels.

We don't support other kernels.
Perhaps you are missing acpid support.

In CentOS 7， it's OK.