Issue #8210 has been updated by Orion Poplawski.

FWIW - virt-what is a pretty light-weight (232 total lines including comments) 
bash script that seems to only depend on dmidecode.  If you don't want to 
depend on it, maybe you just want to copy its logic into facter/ruby.
----------------------------------------
Bug #8210: virtual => physical for kvm guests
https://projects.puppetlabs.com/issues/8210#change-64979

Author: Markus Falb
Status: Re-opened
Priority: Normal
Assignee: 
Category: library
Target version: 
Keywords: 
Branch: 
Affected Facter version: 1.6.2


The Output from /proc/cpuinfo can not used reliable for telling that it is a 
kvm virtual machine.
On a CentOS 5.6 kvm Host with CentOS guests /proc/cpuinfo tells me:

for a smp guest
    model name  : QEMU Virtual CPU version 0.9.1

with only one cpu in the guest:
    model name  : Pentium II (Klamath)

but in both cases:
    $ dmidecode -t 4
    ...
    Manufacturer: QEMU
    ...

I believe it is possible to specify what cpu is used so on the commandline, so 
relying on the model name is not always working

For more information please also have a look at 
<br>[https://bugzilla.redhat.com/show_bug.cgi?id=707523](https://bugzilla.redhat.com/show_bug.cgi?id=707523)


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