Re: [libvirt] libvirt arch detection on x86_64 host
Gerry Reno schrieb:
I have a 64-bit host that is running a 32-bit OS (Fedora 10).
(...)
# virsh nodeinfo
CPU model: i686
(...)
Shouldn't the host arch have been detected and identified as x86_64?
Regards,
Gerry
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As stated by you in the beginning: You are running a 32-bit OS.
You can't have more bit than the OS is providing you.
/usr/bin/qemu-system-x86_64 alwas shows x86_64, even on my Core Duo.
[root@rr016 kvm]# virsh -c qemu+ssh://192.168.1.103/system capabilities
<capabilities>
<host>
<cpu>
<arch>i686</arch>
</cpu>
</host>
<guest>
<os_type>hvm</os_type>
<arch name='i686'>
<wordsize>32</wordsize>
<emulator>/usr/bin/qemu</emulator>
<machine>pc</machine>
<machine>isapc</machine>
<domain type='qemu'>
</domain>
<domain type='kvm'>
<emulator>/usr/bin/kvm</emulator>
</domain>
</arch>
<features>
<pae/>
<nonpae/>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
</features>
</guest>
<guest>
<os_type>hvm</os_type>
<arch name='x86_64'>
<wordsize>64</wordsize>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<machine>pc</machine>
<machine>isapc</machine>
<domain type='qemu'>
</domain>
</arch>
<features>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
</features>
</guest>
(...)
</capabilities>
[root@rr016 kvm]# ssh 192.168.1.103 'grep "model name" /proc/cpuinfo'
Enter passphrase for key '/root/.ssh/id_rsa':
model name : Genuine Intel(R) CPU T2600 @ 2.16GHz
model name : Genuine Intel(R) CPU T2600 @ 2.16GHz