Re: problem using kvm-guest-drivers

[Anthony Liguori <anthony@codemonkey.ws>]

Nikola Ciprich wrote:
> Hello,
> I'm trying to get virtio_blk working, but I can't figure what am I doing 
> wrong...
> First thing I do not really understand is what kernels are supported, as 
> in README file it is written:
>
> Where /path/to/kernel is the path to a recent kernel tree containing 
> virtio drivers.  At the moment, this must be Rusty Russell's virtio patch 
> queue[1] applied on top of Linus' git tree[2].
>   

This is meant for when you're building the guest drivers from source.  
If you just download a tarball, this step is unnecessary.

> and few lines later:
>
> Supported Kernels
> -----------------
> 2.6.24, 2.6.23, 2.6.22, 2.6.21, 2.6.20, 2.6.19, 2.6.18
>
> anyways, I'm not able to get it working either on 2.6.24, or latest GIT 
> with rusty's patches.
>
> If I run kvm with
> ... -drive file=/some/file,if=virtio and then load virtio_blk inside it, I 
> simply don't see any new block device appear.
>
> What am I doing wrong?
>
> Oh and I'm using kvm-64 with 2.6.24 for host.
>   

Make sure you have virtio_pci loaded in the guest.

Regards,

Anthony Liguori

> Thanks a lot in advance for any hints.
>
> BR
> nik
>
>
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