Re: [Gumstix-users] initramfs again!

[ken s. <ken...@gm...>]

On 12/5/06, Gordon Dobie <gor...@ee...> wrote:
> I am trying to get the tutorial on the Wiki to work, but am having some
> issues - http://docwiki.gumstix.org/Root_filesystems (Sorry
> I am fairly new to Linux and the Gumstix!)
>
>
>
> The plan is to boot a 4mB flash basix from the MMC, but I am having trouble
> getting it to work.
>
>
>
> 1. Firstly I gather you need to recompile the kernel after "Enable drivers
> required in the kernel".  I tried just entering these lines into a shell,
> then doing:
>
>   cd <gumstix-buildroot>
> cd build_arm_nofpu
> cd linux-<the version of linux you're using>
> make ARCH=arm CROSS_COMPILE=`pwd`/../staging_dir/bin/arm-linux-
> cd <gumstix-builtroot>
> make
>
>
>   I left out - make ARCH=arm
> CROSS_COMPILE=`pwd`/../staging_dir/bin/arm-linux-
> menuconfig, is this correct?
>

this is correct. you must build the entire toolchain and buildroot first:
make defconfig
make

then the steps above.


>
> 2. To change Busybox, I used "make menuconfig" and "make" in the busybox
> folder.  Then "make" in the buildroot folder.
>

you should specify the architecture here, then let buildroot's make handle it:
in busybox dir -
make ARCH=arm menuconfig
then in <gumstix-buildroot> dir
make

>
> 3. For "Prepare the initramfs image"
>
> I take it I need to run "chmod +x init", to make the file executable, is
> this correct?

yes, it does need to be executable

>
> My current version, loads the image, and the ramdisk.img, but is unable to
> mount the mmc to /mnt/mmc, then can't mount the rootfs.  It hangs at a
> kernal panic warning.
>

posting the boot messages will give a better idea of where it is going
off track.

---
ken