[Olpc-france] extend the memory flash space with an SD card to build open80211s
aime.vareille at wanadoo.fr
Fri Mar 13 14:27:47 EDT 2009
pgf at laptop.org a écrit :
> rekik wrote:
> > Hi,
> > I tried to build the kernel open80211s on a group of machines which use
> > ubuntu 8.10 and it's work. Now I had to build it on an XO. The problem
> > is that I don't have enough space on my flash memory ( 1Go ). So, I had
> > to extend it with an SD card ( to have a space > 1024 Mo), but I
> > don't know the steps to make this solution and the minimum size of the
> > SD card..
> > can anyone help me !!!
> it sounds like you're trying to do the build of open80211s on
> the XO itself. most people don't do development for the XO that way --
> we build on another machine, and move the binaries onto the XO.
> for simple programs, you can build on most any modern linux
> distribution and your binary will work on the XO, because the
> libraries and environment tend to be compatible. (you could
> perhaps build a static binary to be sure.)
> the XO is based on fedora, so a fedora machine will be the best
> build host.
Yes, but debian can also run on XO.
However I found http://wiki.laptop.org/go/Ubuntu_On_OLPC_XO not good
because it puts the fedora kernel on the ubuntu which works with some
discrepencies ; it takes also some time because of qemu and the boot is
Today, the stuff with debian on XO is cleaner and very fast to install
and test ; http://wiki.laptop.org/go/DebXO is the best page I found
about it :
# zcat debxo-$DESKTOP.ext3.img.gz > /dev/sdX (for instance, sdb; not sdb1)
And update the firmware to q2e34.rom at http://dev.laptop.org/pub/firmware/
Then it works fine either on SD card or USB pendrive of 2 GB minimum and
you can still boot and use the native fedora XO build.
With SD cards you could need some swap that can be made with a file
/swap.bin as explained at
However, I have to compile a more recent kernel because the 2.6.25
version on that debian lenny is not sufficient for some of my experiments.
With all the wiki documentation pages I don't know on which I should write.
> paul fox, pgf at laptop.org
> Olpc-france mailing list
> Olpc-france at lists.laptop.org
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