Re: [Xen-devel] RT Xen on ARM - R-Car series

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 30/01/2019 20:23, LOPEZ, FUENTES NACARINO Jairo Eduardo wrote:

My e-mail client thinks the e-mail was sent from the future. Can you make sure 
your timezone is set correctly?
> [    0.682996] CPU features: detected feature: Kernel page table isolation 
> (KPTI)
>
> (XEN) p2m.c:1844: d0v1: Failed to walk page-table va 0xffff800013f59c57
> (XEN) p2m.c:1844: d0v2: Failed to walk page-table va 0xffff800013f70c57
> (XEN) p2m.c:1844: d0v1: Failed to walk page-table va 0xffff800013f59c48
> (XEN) p2m.c:1844: d0v2: Failed to walk page-table va 0xffff800013f70c48
>
> </ this continues infinitely>
>
> Is this normal. Could the error have anything to do with me using the 
> dom0_max_vpcus=4 bootarg for Xen?
No this is a unknown benign issue when using KPTI kernel on Xen (see [1]). I 
still haven't found time to fix it and would appreciate help to solve the issue.
Cheers,

[1] https://lists.xen.org/archives/html/xen-devel/2018-03/msg00223.html

--
Julien Grall

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