[yocto] rootfs image size

[Diego Sueiro]

Chris,

Take a look at your local.conf and see what is included
on EXTRA_IMAGE_FEATURES.
Removing them you will save lots of space too.

Regards,

--
*dS
Diego Sueiro

/*long live rock 'n roll*/


On Wed, Jan 26, 2011 at 9:58 PM, Tian, Kevin <kevin.tian at intel.com> wrote:

> > From: Chris Tapp
> > Sent: Wednesday, January 26, 2011 9:09 PM
> >
> > I know this is probably a basic question, but I'm not having much luck !
> >
> > I've built poky-image-minimal for atom-pc using the 0.9 Poky release.
> >
> > This gives me an ext3 rootfs of over 80MB, which doesn't sound minimal
> > to me ;-)
>
> This is a known issue in 0.9. the switch from ipk to rpm leaves some
> temporary files
> in the final ext3 rootfs, which results the large size.
>
> >
> > Can I reduce the size of the image, or is it expected to be this size?
> >
> > I've tried changing
> >
> > IMAGE_ROOTFS_SIZE_ext3 = "500000"
>
> This configuration option only works when it exceeds the size of generated
> rootfs,
> or else it will be changed implicitly to the actual size plus some extra
> buffer
>
> >
> >   in atom-pc.conf to another value, but this didn't make any
> > difference to the image that gets created (by re-running bitbake poky-
> > image-minimal after making the above change).
> >
> > I've also tried using
> >
> > ROOT_FLASH_SIZE = "64"
> >
> > also without any luck.
> >
> > Any help would be much appreciated !
> >
>
> I'd suggest you to use the master to see whether it works for you.
>
> The alternative is to apply below commit to your 0.9 code:
>
> commit 5e384038cbd5035377d61a1b77ad23ab69e0cac0
> Author: Richard Purdie <richard.purdie at linuxfoundation.org>
> Date:   Wed Jan 5 18:56:47 2011 +0000
>
>    rootfs_rpm.bbclass: Remove temporary work files in install directory,
> saving work files in install directory, saving the manifests as logfiles
> into ${T}
>
>    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
>
> diff --git a/meta/classes/rootfs_rpm.bbclass
> b/meta/classes/rootfs_rpm.bbclass
> index 33abe96..2f7d691 100644
> --- a/meta/classes/rootfs_rpm.bbclass
> +++ b/meta/classes/rootfs_rpm.bbclass
> @@ -202,8 +202,11 @@ EOF
>        # remove lock files
>        rm -f ${IMAGE_ROOTFS}${rpmlibdir}/__db.*
>
> -       # remove resolver files and manifests
> -       rm -f ${IMAGE_ROOTFS}/install/install.manifest
> +       # Move manifests into the directory with the logs
> +       mv ${IMAGE_ROOTFS}/install/*.manifest ${T}/
> +
> +       # Remove all remaining resolver files
> +       rm -f ${IMAGE_ROOTFS}/install
>
>        log_check rootfs
>
> Thanks
> Kevin
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