[Lava-users] Fitting the LAVA overlay into an Android rootfs

Nicolas Dechesne nicolas.dechesne at linaro.org
Tue Nov 21 13:27:36 UTC 2017

On Tue, Nov 21, 2017 at 2:21 PM, Steve McIntyre <steve.mcintyre at linaro.org>

> On Tue, Nov 21, 2017 at 12:49:42PM +0000, Milosz Wasilewski wrote:
> >>
> >> Ideally, the Android builds would have a rootfs configured to be as
> >> small as possible - it's automatically resized to fit the available
> >> space at first boot, and leaving space otherwise is
> >> inefficient. However, if we're going to add the LAVA test overlay into
> >> the rootfs, space needs to be left for it to fit. That's not
> >
> >Could you give a bit more context/use case on why the overlay is
> >needed? I have similar discussions with YongQin and the main issue he
> >raises is that binaries in such potential overlay might not be
> >compatible with rootfs that is used. So I'm wondering if the overlay
> >only contains scripts or the mentioned limitation was somehow solved?
> Hi Milosz,
> The overlay we're talking about here is the LAVA test overlay with the
> test scripts, requested git repos etc. I'd expect it to be quite rare
> that you'd have compiled binaries in it, but it's possible - it
> depends on the particular test use cases.

and the main issue is that we (e.g. the one who creates the image) does not
know in advance what the size of the overlay will be, since the size is
dependent on who is going to write the tests. So the ask, is for LAVA to
increase the resize the image if needed.

> Cheers,
> --
> Steve McIntyre                                steve.mcintyre at linaro.org
> <http://www.linaro.org/> Linaro.org | Open source software for ARM SoCs
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