What to do when you receive your XO-1.75 -
wad at laptop.org
Mon Aug 15 20:27:22 EDT 2011
None of these included the most important wiki page:
This is where most of this information is already posted,
along with other things you should know about your 1.75 B1.
On Aug 15, 2011, at 5:06 PM, Martin Langhoff wrote:
> Quick notes from some FAQs that have been bouncing over IRC...
> (This is a lightly edited version of a great email by Simon -- thanks!)
> When you receive the XO-1.75... it will NOT boot; it will only light
> up the screen. You need to "unbrick" it with a serial adapter --
> instructions at .
> Once the machine is unbricked, download the latest build from  and
> flashed it using the same command (fs-update) as with the 1.5 builds.
> Peter will soon post a new build there.
> Some activities don't start due to missing packages (TamTam* is
> missing csound, etc). To check if the package was available in Koji,
> see the ARM page for Koji . Another useful resource about ARM on
> Fedora is .
> I than tried to update the build since Peter said that there would be
> more pending packages but even after editing my yum config I was not
> able to access the repository  - according to Peter's last mail
> this looks like taken care of.
> To find out which bugs are already known, see . File
> software/hardware related bugs into those milestones whenever you
> think they are specific to XO-1.75 .
> Other important notes:
> - Grab a build newer than os36 to have a working yum repo config. You
> will have to disable gpg checks.
> - The camera WORKS, and pretty well -- just modprobe mmp-camera . See
> /runin/runin-camera for how to drive a gstreamer pipeline for it.
> - Video driver is pretty slow at the moment, so displaying the camera
> input sucks up CPU. We have top talent working on an accelerated
> - Audio output works, but mixer and input don't. This unfortunately
> trips up many programs at the moment.
> - From now on -Peter Robinson- is our buildmaster for ARM. Nag him :-)
> - Ah, put your new rpms in ~/public_rpms/f14-arm/ before nagging Peter!
> m (who just edited Simon's words a bit)
>  unbrick the machine: http://wiki.laptop.org/go/XO_1.75_11089_Fix
>  ARM builds: http://build.laptop.org/F14-arm/
>  Fedora koji ARM: http://arm.koji.fedoraproject.org/koji/
>  Fedora page: http://fedoraproject.org/wiki/Architectures/ARM
>  Fedora repos:
>  http://dev.laptop.org/1.75
> martin.langhoff at gmail.com
> martin at laptop.org -- Software Architect - OLPC
> - ask interesting questions
> - don't get distracted with shiny stuff - working code first
> - http://wiki.laptop.org/go/User:Martinlanghoff
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