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Re: Xen on rk3399
- To: Brad Churchwell <brad@xxxxxxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Thu, 14 Jul 2022 09:44:27 +0000
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- Delivery-date: Thu, 14 Jul 2022 09:44:52 +0000
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- Thread-topic: Xen on rk3399
Hi Brad
> On 13 Jul 2022, at 14:32, Brad Churchwell <brad@xxxxxxxxxxxx> wrote:
>
> Hi Bertrand,
>
> I did this yesterday and it does indeed silence the warnings saying to
> disable those cores, however the IRQ errors still remain.
Can you check to which domain it belongs ? If it belongs to the domain with
little cores this might explain it.
>
> I think I made some progress by changing "interrupts = <GIC_PPI 9
> IRQ_TYPE_LEVEL_HIGH 0>;" to "interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH
> 0>;". I noticed when trying to use XEN-4.10 that it said "IRQ only through
> SPI" and failed to boot XEN where 4.17 unstable boots without this error. Now
> that I changed GIC_PPI to GIC_SPI, I get the following output:
You cannot change a Per Processor Interrupt into an SPI those are different
kind of interrupts (please check the GIC reference manual for more explanations
on those principles).
You have a board specific PCI controller and it could be that the ITS/MSI
implementation has some specific parts which are not supported by Xen.
It will be hard for me to provide more support here and I would suggest to try
to explain your problem in Xen-user mailing list instead of xen-devel, maybe
someone did try xen on this board.
Cheers
Bertrand
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