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Description of problem:
When system enters to Redhat6.4, how can we check ACPI5.0 function? 
By command? or any tools can check it?

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unable to address this
request at this time.

Red Hat invites you to ask your support representative to
propose this request, if appropriate, in the next release of
Red Hat Enterprise Linux.

Acpid is a daemon that dispatches ACPI events to user-space programs. It doesn't query (and it wasn't designed to) ACPI about any other information (like AC/BAT status, temperatures, charge status, interface version, etc.).

Currently I am not sure whether it is possible to get the ACPI version from the kernel, thus reassigning to kernel. If yes, this functionality could be added to some other tool like acpitool (which is currently not in RHEL).

Take a look at 

https://acpica.org/downloads

You will need to compile from source.  This will allow you to extract the info needed. 

BTW- ACPI version is embedded in the tables.  These tables are provided by the BIOS.   ie) EFI

The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days