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Date: Thu, 29 Feb 2024 21:45:40 +0000
From: Mark Brown <broonie@kernel.org>
To: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Arnd Bergmann <arnd@arndb.de>, Oleg Nesterov <oleg@redhat.com>,
	Eric Biederman <ebiederm@xmission.com>,
	Kees Cook <keescook@chromium.org>, Shuah Khan <shuah@kernel.org>,
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	Deepak Gupta <debug@rivosinc.com>, Ard Biesheuvel <ardb@kernel.org>,
	Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	"H.J. Lu" <hjl.tools@gmail.com>,
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	Christian Brauner <brauner@kernel.org>,
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Subject: Re: [PATCH v8 33/38] kselftest/arm64: Add a GCS test program built
 with the system libc
Message-ID: <c710a6b1-cf58-4e32-ada0-c0b256a62b2c@sirena.org.uk>
References: <20240203-arm64-gcs-v8-0-c9fec77673ef@kernel.org>
 <20240203-arm64-gcs-v8-33-c9fec77673ef@kernel.org>
 <87sf1n7uea.fsf@linaro.org>
 <9b899b4e-7410-4c3b-967b-7794dac742e4@sirena.org.uk>
 <87ttlzsyro.fsf@linaro.org>
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On Thu, Feb 22, 2024 at 11:24:59PM -0300, Thiago Jung Bauermann wrote:
> Mark Brown <broonie@kernel.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=3Darch/arm64/boot/Image \
> >         --rtvar ROOTFS=3D${ROOTFS} \
> >         --rtvar CMDLINE=3D"${CMDLINE}" \
> >         --overlay=3Darch/v9.4.yaml ns-edk2.yaml
> >
> > and a locally built yocto and everything seems perfectly happy.
>=20
> Yes, this is how I'm running it:
>=20
>   CMDLINE=3D"Image dtb=3Dfdt.dtb console=3DttyAMA0 earlycon=3Dpl011,0x1c0=
90000 root=3D/dev/vda2 ip=3Ddhcp maxcpus=3D1"
>=20
>   shrinkwrap run \
>       --rtvar=3DKERNEL=3DImage-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:

=2E..

> 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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