[Buildroot] Problems loading buildroot image to CompactFlash

Alexander Rigbo alexander.rigbo at acgnystrom.se
Thu Mar 22 06:39:51 UTC 2007


AFAIK the boot loader is not "installed" (running lilo with lilo and doing 
setup(hdX) in grub).
Also, the image created (i take it you have a roofs.<arch>.ext2) is not a full 
disk, it's a partition.

Hope this gives you info enough to solve this.

Best regards
Alexander Rigbo
ACG Nyström AB

On Wednesday 21 March 2007 23.41.09 Bernhard Fischer wrote:
> On Wed, Mar 21, 2007 at 05:09:35PM -0500, William Somerset wrote:
> >Hello,
> >
> >I'm having problems getting a BuildRoot Image to boot on a compactflash. 
> > I got grub installed on the disk but whenever I try to boot the
> > CompactFlash, I just get a blank screen.  I tried just dd'ing the image
> > to the
> >compactflash but I get 'missing OS' whenever I boot the compactflash that
> >way.
> >
> >Also, I tried installing the Linux Kernel from the menu and it had
> > problems installing.  This is from getting the copy of buildroot from svn
> > at around 2pm CST today (March 21, 2007).  I loaded the grub prompt,
> > changed the root to the compact flash and got grub to install to the
> > compactflash but I guess without a kernel, it's kinda pointless.  Should
> > I just make 1 partition or 2 (one for boot, one for main)?  Also, when I
> > tried making an ISO, I got errors from it not having some place to copy
> > to.
> >
> >Does anyone have a walkthrough or anything to help me out getting a
> >buildroot image to compactflash?
> - install grub unto the CF
> - mount the CF at (e.g.) /mnt/l0
> - tar -C /mnt/l0 -xf /my/rootfs.$myarch.tar
> - sync && umount /mnt/l0
> - qemu -snapshot -hda /dev/$cf_device -boot c
> - enjoy
> Procedure varies depending on your target, of course. Since you're ia32
> compatible the above works nicely; Alternatively you can provide a e.g.
> 512k disk to let grub boot from and use a jffs2 as -hdb or something
> like that.
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