linux-kernel - Re: [PATCH v8 33/38] kselftest/arm64: Add a GCS test program built with the system libc

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Date: Thu, 29 Feb 2024 21:45:40 +0000
From: Mark Brown <broonie@...nel.org>
To: Thiago Jung Bauermann <thiago.bauermann@...aro.org>
Cc: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Jonathan Corbet <corbet@....net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	James Morse <james.morse@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Arnd Bergmann <arnd@...db.de>, Oleg Nesterov <oleg@...hat.com>,
	Eric Biederman <ebiederm@...ssion.com>,
	Kees Cook <keescook@...omium.org>, Shuah Khan <shuah@...nel.org>,
	"Rick P. Edgecombe" <rick.p.edgecombe@...el.com>,
	Deepak Gupta <debug@...osinc.com>, Ard Biesheuvel <ardb@...nel.org>,
	Szabolcs Nagy <Szabolcs.Nagy@....com>,
	"H.J. Lu" <hjl.tools@...il.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Florian Weimer <fweimer@...hat.com>,
	Christian Brauner <brauner@...nel.org>,
	linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
	kvmarm@...ts.linux.dev, linux-fsdevel@...r.kernel.org,
	linux-arch@...r.kernel.org, linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v8 33/38] kselftest/arm64: Add a GCS test program built
 with the system libc

On Thu, Feb 22, 2024 at 11:24:59PM -0300, Thiago Jung Bauermann wrote:
> Mark Brown <broonie@...nel.org> writes:

> > I believe based on prior discussions that you're running this using
> > shrinkwrap - can you confirm exactly how please, including things like
> > which firmware configuration you're using?  I'm using current git with
> >
> >   shrinkwrap run \
> >         --rtvar KERNEL=arch/arm64/boot/Image \
> >         --rtvar ROOTFS=${ROOTFS} \
> >         --rtvar CMDLINE="${CMDLINE}" \
> >         --overlay=arch/v9.4.yaml ns-edk2.yaml
> >
> > and a locally built yocto and everything seems perfectly happy.
> 
> Yes, this is how I'm running it:
> 
>   CMDLINE="Image dtb=fdt.dtb console=ttyAMA0 earlycon=pl011,0x1c090000 root=/dev/vda2 ip=dhcp maxcpus=1"
> 
>   shrinkwrap run \
>       --rtvar=KERNEL=Image-gcs-v8-v6.7-rc4-14743-ga551a7d7af93 \

I guess that's bitrotted?

> My rootfs is Ubuntu 22.04.3. In case it's useful, my kernel config is
> here:

...

> https://people.linaro.org/~thiago.bauermann/gcs/config-v6.8.0-rc2

Thanks, it seems to be something in your config that's making a
difference - I can see issues with that.  Hopefully that'll help me get
to the bottom of this quickly.  I spent a bunch of time fighting with
Ubuntu images to get them running but once I did they didn't seem to
make much difference.

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