[Server-devel] Debugging booting problems with F9 on SD card...

[Peter Robinson]

Hi Martin,

What would it take to move the next XS Server release to either F10 or
F11 as F9 will be EOL as soon as F11 comes out in a month or so (one
month after F11 is out F9 will be EOL).

Peter

On Mon, Apr 13, 2009 at 11:29 AM, Martin Langhoff
<martin.langhoff at gmail.com> wrote:
> On the mission of getting a XS image running on the XO, I have abused
> imagecreator (part of livecdtools) to create an ext3 image based on
> the XS ISO we distribute.
>
> Now I am trying to make the image boot on the XO, and it is not
> working. It fails in trying to mount (and then switchroot to)
> /dev/root. I suspect that it's the initrd mount process that is
> failing there, but I am a bit at a loss on where to focus my debugging
> next. OFW appears to read the initrd alright, and yet...
>
>  - The whole image is i686 (while trying to convince imagecreator to
> set the arch to i586) so that may be a source of problems.
>
>  - The resulting ext3 image is using vanilla F9 kernel
> 2.6.27.19-78.2.30.fc9.686 -- no olpc-specific kernels here. From what
> I understand, all the fixes applied to F10 initrds have also been
> applied to recent F9 kernels.
>
>  - I've created vmlinuz / initrd symlinks to make things easier -- at
> least during debugging. Does anything in the kernel rpm %post set
> those up or update them if they're found? Or update olpc.fth? Either
> way, everytime a new kernel is installed I need to update
> *something*...
>
>  - I have also set /etc/fstab to mount /dev/mmcblk0p1 as /
>
>  - My olpc.fth is built thus:
> cat > /boot/olpc.fth << EOF
> \ Boot script
> " ro root=/dev/mmcblk0p1 rootfstype=ext3 rootdelay=5
> console=ttyS0,115200 console=tty0 fbcon=font:SUN12x22" to boot-file
> " sd:\boot\initrd" to ramdisk
> " sd:\boot\vmlinuz" to boot-device
> unfreeze
> boot
>
> EOF
>
>  - Funny enough, unfreeze doesn't seem to work, and the boot fails
> while consistently showing a pretty screen.
>
> Hints welcome...
>
> cheers,
>
>
>
> m
> --
>  martin.langhoff at gmail.com
>  martin at laptop.org -- School Server Architect
>  - ask interesting questions
>  - don't get distracted with shiny stuff  - working code first
>  - http://wiki.laptop.org/go/User:Martinlanghoff
>
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