Re: [Xen-devel] pagetable maps itself

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 13 Mar 2005, at 15:21, David Becker wrote:

> I'm trying to put the shared_info page entry(0x001b6007) in
> a pte at 0xc0116404 and get
> (XEN) DOM77: (file=memory.c, line=1821) PTWR failure! Pagetable maps 
> itself at c0116404
> Doubtless this is operator error, but I'm at a loss as to what my 
> error is.
> I am confident the pte address is correct and that the domain build 
> says the
> share_info mfn is 0x1b6.
>
> The pgd page entry for 0xc0116404 is 0x01c28067, which also appears OK.
>
> I don't understand how my table is mapping itself when I write that 
> pte.
I've now checked a fix for this into the unstable repository. It would 
be good to know that the problem goes away for you. If you are working 
with the 2.0 repositories then you will need to use the batched 
(mmu_update) interface.
 -- Keir



-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel