Qemu Accelerators

[Ryan Chewning]

Hi,

I'm working on building several images that will be used in a Xen based virtual environment.  Does the Qemu accelerator need to be selected based on the targeted running VM environment (Xen in my case) or the build environment for the image (KVM at the moment)? Maybe I'm being a bit dense while reading the documentation for the Qemu builder but I didn't find the definition very clear for what "running the VM" meant.

accelerator (string) - The accelerator type to use when running the VM. This may be none, kvm, tcg, hax, hvf, or xen. The appropriate software must have already been installed on your build machine to use the accelerator you specified. When no accelerator is specified, Packer will try to use kvm if it is available but will default to tcgotherwise.

Thanks!

Ryan 

[Rickard von Essen]

Thw qemu builder produces a disk image with no information about the accelerator used for creating it. But the target environment might require certain drivers to function correctly, e. g. virtio drivers etc. 

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