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SubjectRe: bisected - arm64 kvm unit test failures
On Wed, 01 Aug 2018 07:02:25 +0100,
Mike Galbraith <efault@gmx.de> wrote:
>
> [1 <text/plain; ISO-8859-15 (7bit)>]
> On Wed, 2018-08-01 at 06:35 +0100, Marc Zyngier wrote:
> >
> > Is it something that is reproducible with the current mainline (non-RT)?
>
> These waters are a bit muddy, it's config dependent. I'm trying to
> generate a reproducing !RT config for -rc7 as we speak. If I build
> openSUSE/master-default, it does NOT reproduce. That with the bisect
> config just finished building, and.... yup, it reproduced
> (attached).

Thanks for that.

>
> Every RT tree 4.16..master.today reproduces, and is fixed up (modulo
> the RT specific failure) by reverting the fingered commit.
>
> > Pretty worrying. What HW is that on?
>
> Box is a 4 node/64 core TaiShan 2280.

Is that what is also known as D05/HIP07, with 64 Cortex-A72? If so, I
think we have one somewhere... I'll try to reproduce it once I'm back
into the office (things seem to run just fine on my A72-based laptop,
so it definitely smells of being config dependent).

Cheers,

M.

--
Jazz is not dead, it just smell funny.

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