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Re: [Xen-devel] How to create a PVHv2 guest

On Mon, Sep 11, 2017 at 10:14:15AM +0100, Roger Pau Monné wrote:
>On Mon, Sep 11, 2017 at 09:58:01AM +0800, Chao Gao wrote:
>> Hi, Roger.
>> I meet an error when creating a pvh guest. I am using commit 6e2a4c73564a. 
>> From the error log, I found bootlate_pv()->pin_table always failed. And the
>> failure was caused by is_pv_domain(pg_owner) in do_mmuext_op(). Do you have
>> any idea on this?
>IIRC bootlate_pv should never be called for a PVH guest. I'm not
>really sure how you can get there, can you paste/attach your Linux
>kernel config file?

I really got there. I don't set XEN_PVH in config file. After setting
XEN_PVH, the error disappears. From the output of xc_dom_compat_check(),
I guess the guest was wrongly treated as a pv guest.

>Also I'm not sure using a qcow2 disk is going to work properly, the
>current PVHv2 tools implementation will not spawn a QEMU instance to
>act as the backend.

Ok. I will try to use a raw image.


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