Re: [Xen-devel] Debugging PAE Xen with >4GB

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 17 Jun 2006, at 00:43, Nakajima, Jun wrote:

> Now it works fines with the patch below. I don't think this is the 
> final
> patch, but it's a hint for debugging (for Keir, especially ;-). If I
> back out the patch, what I see is that the second level page table for
> mapping Xen is not valid, i.e. zero clean (L3 looks okay). So debug Xen
> works fine (i.e. the one built by "make debug=y").
That's weird. Is the L2 page itself owned by the right domain and type 
l2_page_table? What is CR3 at that point (does it point at one of the 
lowmem caches, or directly at a guest page)? Etc... If you've got a 
reliable reproduction of this problem then I expect we can gather 
enough tracing to work out what's going on.
 -- Keir


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