[syslinux] extlinux boot failer

[H. Peter Anvin]

On 06/25/2010 05:20 AM, 孤云独闲 wrote:
> Hi all :
>    my /dev/sda2 is ext3 format filesystem, the os moblin is installed in
> /dev/sda2 which is root partition, the bootloader is grub, now i want to
> change the bootloader to extlinux, but i came across some trouble,  so i did
> some steps as following:
>    1. rpm -ivh syslinux-extlinux*.rpm
>    2. extlinux -i /boot/extlinux
>    3. i edit extlinux.conf , and put it in /boot/extlinux/, there is
> extlinux.conf is my attached file.
>    4. cd /boot/extlinux
>        ln -sf ../vmlinuz-2.6.32.4.lp.enhance.24-netbook-atkbd
> vmlinuz-2.6.32.4.lp.enhance.24-netbook-atkbd
>   5. extlinux -U /boot/extlinux/
>    6. cat  /usr/share/syslinux/mbr.bin > /dev/sda
>    7. reboot
> 
> the screen always show "No DEFAULT or UI configuration directive found!",
> and then i type "/boot/vmlinuz-2.6.32.4.lp.enhance.24-netbook-atkbd" or
> "/vmlinuz-2.6.32.4.lp.enhance.24-netbook-atkbd",
> "vmlinuz-2.6.32.4.lp.enhance.24-netbook-atkbd", but the screen always show
> "Could not find kernel image:vmlinuz-2.6.32.4.lp.enhance.24-netbook-atkbd".
> 
> could you help me? tell me  how i will do and debug  extlinux in my case.
> I am  sorry my English is very poor. please help me!
> 

Since it looks like your /boot partition is quite small, would you be
willing to send a binary image of it?

Something like:

dd if=/dev/sda bs=8225280 count=510 | gzip -9 > bootpart.gz

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.