Re: kvm-unit-tests gicv2 cases fail

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Yes, it only reproduces on a GICv2 emulation on GICv3.
I am looking into the source code. And I still can't find any error in
KVM code.
On Fri, Oct 19, 2018 at 11:26 AM Andrew Jones <drjones@xxxxxxxxxx> wrote:
>
> On Thu, Oct 18, 2018 at 05:17:57PM +0800, Li Zhang wrote:
> > Hi,
> >
> > I run kvm-units-test on ARM server(QDF2400), but gicv2-ipi,
> > gicv2-active cases fail.
> > By debuging kvm-unit-tests source code, I found that interrupt is not
> > handled. do_handle_exception is not called.
> >
> > By looking into KVM source code, it has GICv2 emulation on GICv3 support.
> > I've tried a lot of kernel versions, from v4.12~v4.19 in mainline,
> > these cases always fail.
> > Is it possible that hardware/software disables this?
> >
> > It seems that GICv2 is a little old for ARM server, I am confused when
> > we can use it.
> > Do we need to care about these cases?
>
> We care, but I haven't seen these issues, and, if this only reproduces on
> a gicv2 emulation on gicv3 configuration, then I don't have any hardware
> where I can reproduce/debug it.
>
> Thanks,
> drew



-- 

Best Regards
-Li
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