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

On Mon, Sep 11, 2017 at 04:45:59PM +0800, Chao Gao wrote:
> 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.

OK, I'm not really thrilled to fix this because this interface is
hopefully going away really soon, we'll see if the same thing happens
with the new one and then we can hopefully fix it.


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