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

[Julien Grall <julien.grall@xxxxxxx>]

(CC Xen-devel)

On 31/01/2019 05:50, LOPEZ, FUENTES NACARINO Jairo Eduardo wrote:
> Hello Julien,
Hi,

> 2019年1月30日(水) 21:12、Julien Grall さん（julien.grall@xxxxxxx 
> <mailto:julien.grall@xxxxxxx>）のメッセージ:
>     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?
>
>
> Very sorry about the timezone issue. We did have an NTP problem. Hopefully 
> things should be ok now.
>
>      > [    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.
>
>
> I had a lot of issues getting the R-Car M3 running as a user and only got it 
> working with Andrii's instructions. I am personally not that familiar with the 
> internal functionality of KPTI or Xen.
Don't worry, it was more an open question as many people seems to hit the issues 
but no-one have found time so far.
Regarding running Xen on R-Car M3, would you mind to update/add the instructions 
on the wiki?
> If you have any tests you would want to do on my current configuration I will 
> gladly give it a go.
Thank you for the offer. I will let you know when I managed to reach that in my 
list.
Best regards,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel