Re: [Xen-devel] Running Xen on Nvidia Jetson-TK1

[Julien Grall <julien.grall@xxxxxxx>]

On 07/04/16 08:48, Dushyant Behl wrote:
> Hello,
Hi Dushyant,

> On Fri, Apr 1, 2016 at 3:34 PM, Julien Grall <julien.grall@xxxxxxx> wrote:
> > Hello Dushyant,
> >
> > On 29/03/16 21:56, Dushyant Behl wrote:
> > > On Wed, Mar 30, 2016 at 12:31 AM, Julien Grall <julien.grall@xxxxxxx>
> > > wrote:
> > > > On 24/03/16 11:05, Dushyant Behl wrote:
> >
> > > (XEN) DOM0: [    0.000000] irq: no irq domain found for
> > > /interrupt-controller !
> > > (XEN) DOM0: [    0.000000] irq: no irq domain found for
> > > /interrupt-controller !
> > > (XEN) DOM0: [    0.000000] irq: no irq domain found for
> > > /interrupt-controller !
> > > (XEN) DOM0: [    0.000000] arch_timer: No interrupt available, giving up
> >
> > It looks like to me that Xen is not recreating the device-tree correctly. I
> > would look into the kernel to find what is expected.
> This looks like a possible bug (or some missing feature) in Xen's
> device tree creation which could
> take some time to handle, so if I could be of any more help to you
> with this issue please let me know.
There was a conversation on #xen-arm few days ago about this problem.
Xen doesn't correctly recreate the GIC node which result in a loop 
between the interrupt controller. Can you try the below patch?
http://dev.ktemkin.com/misc/xenarm-gic-parents.patch

> [I've cc'ed Ian Campbell in this mail (Sorry for cc'ing you explicitly)]
Ian's citrix e-mail is not valid anymore. I have CC'ed the new one.

> Ian,
>
> Actually, I want to run Xen on the Tegra Jetson board for some project
> of mine but currently Linux-4.1 is
> failing as dom0 because its not able to receive interrupts from the arch_timer.
> This link contains the dom0 failure boot log -
> http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg03715.html
>
> In your patch for *Hacky* support for Jetsok-TK1 you said that you
> were able to run guests on
> Jetson-tk1 board with Xen. Can I know which kernel version you used as
> dom0 (and possibly domU guests)?
Regards,

--
Julien Grall

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