[virt-tools-list] Windows XP 32 guest - i686 or x86_64

Justin Clift jclift at redhat.com
Tue Sep 21 08:06:54 UTC 2010


On 09/20/2010 05:22 PM, Grant Williamson wrote:
> Hi,
> if I install a 32 bit Windows XP Guest using virt-manager, the default
> arch is set to x86_64.
> Is there any advantage using x86_64 or should I switch to i686?.
> Or does it make no difference.

Hi Grant,

If you switch the vm to 32-bit mode, it will use the qemu emulator 
without hardware acceleration.

So, you're best off leaving the virtual machine operating in 64-bit
mode, even if the guest itself is running 32 bit software.

Hope that helps. :)

Regards and best wishes,

Justin Clift







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