[Olpc-open] debxo 0.2 release
wad at laptop.org
Sat Oct 25 03:14:47 EDT 2008
Trying to installing either the gnome or awesome JFFS2 versions from
an SD card formatted as ext2.
Using laptop firmware q2e18, on two different machines, this fails with:
<....>:75: error writing to NAND Flash
after writing 40 blocks.
What is going on ?
On Oct 24, 2008, at 11:55 PM, Andres Salomon wrote:
> I've prepared a new release of DebXO. This has a number of new
> features and desktops.
> NEW FEATURES:
> - The JFFS2 images now have partition support. While this shaves a
> number of seconds off of the boot time, we can take better
> advantage of
> it in the future (doing things like using UBIFS). JFFS2 is well past
> its prime; moving away from it will help performance a lot.
> - EXT3 images have been added. This allows for booting off of USB
> and/or SD. Note that the image size I chose is 2GB, so you'll need a
> USB stick or SD card of at least that size.
> - The kernel is now almost completely modular, and includes every
> module under the sun. For those of you with random USB hardware that
> wanted to use it with DebXO.. if it's in 2.6.25, it should work with
> - New desktops! DebXO 0.1 only had a Gnome desktop; this release
> includes KDE, LXDE, Sugar, Awesome and Gnome desktops. I personally
> run (and work on) the Gnome desktop. Holger Levsen is to thank for
> Sugar and Awesome desktops. James Cameron did the work for the KDE
> LXDE desktops. A huge thanks to both of them!
> As far as bootup times, nand is still pretty absymal (due to jffs2);
> however, SD booting takes 75 seconds from OFW to fully usable X.
> INSTALLATION ONTO NAND FLASH:
> The release can be found here (note that the URL has changed):
> To install onto the XO's flash, download the debxo-$DESKTOP.jffs2.dat
> and debxo-$DESKTOP.jffs2.img to a USB or SD stick (where $DESKTOP is
> one of the various desktops - gnome, kde, lxde, sugar, or awesome).
> Boot into OFW (make sure your XO is unlocked!), and run
> update-nand disk:\debxo-$DESKTOP.jffs2.img
> update-nand sd:\debxo-$DESKTOP.jffs2.img
> (depending upon whether you downloaded to an SD or USB disk). If your
> SD or USB device is using a windows filesystem, you can figure out the
> name of the image by running
> dir disk:\
> If update-nand spits out any errors, make sure you're running an
> appropriately up-to-date version of OFW. The q2d* series do not
> support update-nand, and versions q2e18 and q2e19 are known to be
> with partitions. Firmware and instructions for upgrading
> can be found here:
> INSTALLATION ONTO SD/USB:
> To install onto an SD or USB device, download the
> debxo-$DESKTOP.ext3.img.gz file, and run
> zcat debxo-$DESKTOP.ext3.img.gz > /dev/mmcblk0
> zcat debxo-$DESKTOP.ext3.img.gz > /dev/sdX
> (depending upon whether you're writing to an SD or USB disk). Note
> that this will overwrite any data that is on the SD or USB disk.
> By default, a user 'olpc' is created (with no password, and sudo
> access). Some desktops automatically start a display manager and log
> you in; some do not. The root password is disabled by default. This
> is a stock Debian Lenny system with only a few modifications, so it
> obviously be tailored.
> xodist is the name of the collection of scripts that are used to
> produce DebXO. The git repository can be downloaded via:
> git clone git://lunge.mit.edu/git/xodist
> There's also a web interface to that:
> There's a TODO file in the repository, but really... just scratch
> whatever itch you happen to have. Patches are much appreciated.
> Additional desktops (XFCE, for example?), better handling of the
> default user/password, boot/runtime optimizations, suggestions for
> missing packages, etc..
> Thanks to James Cameron and Holger Levsen for various
> patches/tweaks/fixes, and to the various people who tested and
> Devel mailing list
> Devel at lists.laptop.org
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