[OLPC-devel] Minutes from System Software telecon, 2006-08-22

[Dan Williams]

On Wed, 2006-08-23 at 09:58 -0500, Richard Smith wrote:
> > Are you using sumtool to convert the image to a JFFS2+summary image?
> > (which mounts in 1/10th the time that a normal JFFS2 image does).  If
> > not, you should be.
> >
> > http://mailman.laptop.org/pipermail/devel/2006-August/001346.html
> > http://mailman.laptop.org/pipermail/devel/2006-August/001349.html
> 
> Yes.  I was following Marcelo's instructions he sent me.  I didn't
> however actually run makesum on the OLPC as the instructions said.
> The filesystem image is only 512MiB and there isn't enough space on it
> to copy over the jffs2 image and then run sumtool and store the
> output.  parted told me that the filesystem was using an "incompatible
> option" and would not resize it.
> 
> So I ran sumtool on my debian box before that and only copied in the
> final output.  Perhaps the version of sumtool in debian testing is not
> recient enough?

Possibly...  When I tested some NAND images I also ran sumtool on my
laptop, and not on the machine itself.  That would be, um, slow :)

Dan

> I also tried not using sumtool and just used the unsummed image just
> to see what that didn (knowing it would take much longer) but I got a
> different set of errors.  Something seems borked with my image.