[Testing] USBs are not working with OS802B5.IMG

[Chamindra de Silva]

Just to keep everyone posted. We managed to resolve the issue on the XO 1.0
thanks to an effective IRC troubleshooting session with Adam and James this
morning.

Both issues were to do with security not being disabled (and the developer
key being overwritten as expected when installing a new build).

The B5 build reacted to security still being enabled by not detecting the
USB devices (otherwise it seemed to work fine), whilst the F11 would not
boot at all.

This is probably expected behavior, and I presume only testers or developers
ever have to do this, whilst the users (ie. kids or the scarce IT support
you would find in rural communities :-) would have signed builds that would
not require such a process. Please confirm if that is a valid use-case for
the OLPCs.

thanks,

-- 
Chamindra de Silva
Home:  http://chamindra-de-silva.blogspot.com
Twitter: http://twitter.com/ChamindraS (note the last S!)


On Fri, Mar 26, 2010 at 7:04 PM, Mikus Grinbergs <mikus at bga.com> wrote:

> You are using the phrase "updating the XO 1.0".  I'm not sure whether by
> that word you mean "replace" { in which case you should tell us whether
> you are replacing the build version, the kernel (or other system
> "package") version, or an Activity ("application") version } -- or
> whether by "update" you mean "add more things than were included in the
> original distribution".  You even mention "we need to ideally start
> again from scratch on all tests", which is "replacing" (e.g., by
> re-flashing) what you have by a clean version of what you have.
>
> Please, be specific whenever you say that some kind of "update" does not
> work.  [What are you changing?  What *content* are you using as input ?]
>
>
> > I can confirm that this release seems to have locked this machine. The
> USB
> > is not being detected.
>
> I have a great deal of difficulty trying to visualize what is happening
> to you.  I've been using "update the XO-1 from USB" for several years
> now, and have NEVER encountered problems.  The only two explanations
> that come to mind are (1) the particular USB stick(s) that you are using
> is defective, or (2) what is actually on that USB stick is not what you
> expect to be on that stick (or perhaps you are using procedures/commands
> inappropriate to what is on that USB stick).
>
> So far, I've installed OS802B5.IMG on only one machine -- but that
> machine has had no problem "detecting" USB.  [By the way, my setup uses
> ethernet rather than wireless.]  I have a number of XO-1s running
> earlier 802B versions - none with USB problems.  In a couple days I will
> install OS802B5 on several more XO-1 machines -- and will report if I
> encounter any problems (but I expect there will be no USB problems).
>
> I have experienced "locked this machine" very rarely in the past.  A
> long while ago (but fixed since then) there was a time when beta builds
> would not load properly (and could thus be described as "locked up" --
> by that I mean "not functioning").
>
>
> If by "locked" you mean that once you installed os802b5 into a machine,
> you could not install anything else into that machine -- I've never
> experienced that.
>
> If you would like assistance, please describe "individual action step by
> individual action step" (starting from before you pushed the power-on
> button) what you did that leads you to say "The USB is not being detected."
>
>
> mikus
>
>
> p.s.  Dhanushka Nuwan wrote:
> > Tried to update the activities using USB dongle
>
> That's not how I myself update the activities.  Nevertheless, "update
> the activities" is only one procedure -- it failing does not for
> instance mean that the *system* is not seeing the USB.  A command that I
> have often found useful is ' ls -la /dev/disk/by-uuid ' -- that will
> tell you what storage devices (including USB) the system recognizes.
>
> I believe "update the activities" ought to work the same way whether on
> XO-1.5 or XO-1.  If what you are trying works on the XO-1.5 but does not
> work on the XO-1, please tell us what the difference is.  [For instance,
> suppose Journal View on the XO-1.5 shows an icon for the the USB
> filesystem, whereas Journal View on the XO-1 does not -- then the
> problem ought to be described as "OS802B5 Journal View does not show an
> icon for a plugged-in USB" instead of "802B5 seems to have locked this
> machine".]
>
>
> pps.
> In 2008, the method in  http://wiki.laptop.org/go/Customization_stick
> would allow me to prepare an USB stick which I used to _add_ Activities
> to the XOs of other users in the Austin XO User's Group.  I have *not*
> tried this method with OS802B5 - but perhaps it would work here as well.
>  [At worst you will screw up the XO, and have to re-flash it.]
>
>
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