Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Chris Leonard]

On Mon, Oct 8, 2012 at 2:02 AM, Peter Robinson  wrote:
>
> On 8 Oct 2012 00:41, "Gary Martin"  wrote:
>>
>> On 7 Oct 2012, at 23:56, Peter Robinson  wrote:
>>
>> >
>> > On 7 Oct 2012 23:17, "Martin Langhoff"  wrote:
>> > >
>> > > On Sun, Oct 7, 2012 at 5:22 PM, Peter Robinson 
>> > > wrote:
>> > > > #12082  Maliit on-screen keyboard
>> > >
>> > > Yay!!! Is the evdev trickery all hooked up? Does ebook mode DTRT?
>> >
>> > Not yet, all the layouts are in and gtk2 works now
>>
>> Not quite all the layouts, but the vast majority are done in both
>> landscape and portrait. I have Türkçe, Українська, Việt, and 1 usable (out
>> of 3 due to the need of the others for a proprietary glyph composition
>> engine) Chinese keyboards still to do, and some general bug fixes on several
>> extended keys I spotted while testing. Expect an updated set of similar
>> patches before build lockdown. There is also still the hanging question with
>> regard for the need for additional keyboards for existing or potential
>> deployments. Armenia has been raised as one possible extra, but not yet
>> confirmed. Perhaps once XO-4's start to land and folks play with the OSK
>> we'll see some formal requests.
>>
>
> Are the layouts each in a distinct set of files? If so we could possibly
> split out layouts to standalone packages to make it easy to add extras at a
> later date.


One thought would be to add them to the langpack self-installing
scripts as needed so that a given langpack also carries the necessary
keyboard layout with it.

http://translate.sugarlabs.org/langpacks/

cjl
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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Peter Robinson]

On 8 Oct 2012 00:41, "Gary Martin"  wrote:
>
> On 7 Oct 2012, at 23:56, Peter Robinson  wrote:
>
> >
> > On 7 Oct 2012 23:17, "Martin Langhoff"  wrote:
> > >
> > > On Sun, Oct 7, 2012 at 5:22 PM, Peter Robinson 
wrote:
> > > > #12082  Maliit on-screen keyboard
> > >
> > > Yay!!! Is the evdev trickery all hooked up? Does ebook mode DTRT?
> >
> > Not yet, all the layouts are in and gtk2 works now
>
> Not quite all the layouts, but the vast majority are done in both
landscape and portrait. I have Türkçe, Українська, Việt, and 1 usable (out
of 3 due to the need of the others for a proprietary glyph composition
engine) Chinese keyboards still to do, and some general bug fixes on
several extended keys I spotted while testing. Expect an updated set of
similar patches before build lockdown. There is also still the hanging
question with regard for the need for additional keyboards for existing or
potential deployments. Armenia has been raised as one possible extra, but
not yet confirmed. Perhaps once XO-4's start to land and folks play with
the OSK we'll see some formal requests.
>

Are the layouts each in a distinct set of files? If so we could possibly
split out layouts to standalone packages to make it easy to add extras at a
later date.

Peter

> Regards,
> --Gary
>
> > > cheers,
> > >
> > >
> > >
> > >
> > > m
> > > --
> > >  mar...@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
> > ___
> > olpc mailing list
> > o...@lists.fedoraproject.org
> > https://admin.fedoraproject.org/mailman/listinfo/olpc
>
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Re: [OLPC-AU] Auckland Testing Summary 29 September 2012

[Jerry Vonau]

On 6 October 2012 13:27, Walter Bender  wrote:

> On Sat, Oct 6, 2012 at 1:10 PM, Jerry Vonau  wrote:
> > Thanks for testing.
> >
> > On 5 October 2012 23:47, Tom Parker  wrote:
> >>
> >> Auckland Testing Summary 29 September 2012
> >> Who: John, Oliver, Tabitha, Tom
> >> Testing build 44 11.3.1-au
> >>
> >> XO-1.75:
> >> Browse 192.3!! Rocking like it’s January 2010!
> >> Based on Firefox 3.6.23, 5 security releases made since!
> >> http://en.wikipedia.org/wiki/Firefox_3.6#cite_note-41
> >> Crashes if you visit large image, previously reported as olpc #11569
> >> Google docs complains browser is out of date.
> >> Can create google docs unlike latest Browse
> >> Can open links in new tabs unlike latest Browse
> >> It’s quite slow, get slow script warning on wikipedia!
> >
> >
> > noted
> >
> >>
> >> Somehow we managed to download a new webkit browse.xo and install it on
> >> one laptop. This version of browse didn’t work at all. We got this
> version
> >> by downloading on an x86 laptop from a page with a big list of versions
> >> (sorry, we don’t know exactly where). Shouldn’t the XO refuse to install
> >> something that won’t actually work with it?
> >>
> >
> > The new webkit based browse.xo is sugar 0.96 or greater, presently there
> is
> > no way to stop users from shooting themselves in the foot by installing a
> > bundle that is not supported on their version of sugar.
>
> Hmm. I thought activities.sugarlabs.org was a bit smarter than that.
> That said, the bundle could have come from elsewhere.
>
>
Well it is if you use browse to view activities.sugarlabs.org, but I
suspect the activity was downloaded to a usbkey on a different machine then
auto installed by launching it from the usbkey. Think the real fix might
run deep into sugar's inner workings, some discussion at
http://sugardextrose.org/issues/1532

Jerry
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Re: [OLPC-AU] Auckland Testing Summary 29 September 2012

[Deepak Muddha]

On 6 October 2012 10:17, Tom Parker  wrote:

> Auckland Testing Summary 29 September 2012
> Who: John, Oliver, Tabitha, Tom
> Testing build 44 11.3.1-au
>
> XO-1.75:
> Browse 192.3!! Rocking like it’s January 2010!
> Based on Firefox 3.6.23, 5 security releases made since!
> http://en.wikipedia.org/wiki/**Firefox_3.6#cite_note-41
> Crashes if you visit large image, previously reported as olpc #11569
> Google docs complains browser is out of date.
> Can create google docs unlike latest Browse
> Can open links in new tabs unlike latest Browse
> It’s quite slow, get slow script warning on wikipedia!
> Somehow we managed to download a new webkit browse.xo and install it on
> one laptop. This version of browse didn’t work at all. We got this version
> by downloading on an x86 laptop from a page with a big list of versions
> (sorry, we don’t know exactly where). Shouldn’t the XO refuse to install
> something that won’t actually work with it?
>
> Record locked up when I recorded video on Hoiho. Force quit worked, but
> camera light stays on and record just has a grey preview when you restart
> it. This only happened once.
> Record doesn’t work on high quality see olpc #11668.
>
> On Moa usb drives don’t show up on the frame or get auto mounted. The
> drive shows up in /var/log/messages and /proc/partitions. After a reboot
> this worked ok. I think we saw this back in the day.
>
> Distance doesn’t work at all, see olpc #11596. This activity should be
> removed if it can’t be fixed.
>
> Edit starts with the focus somewhere invisible, you have to click on the
> canvas before it does anything.
>

Can you explain in a detail for the above defect please.

>
> XO-1.5 Ivy
> maze works
> ruler works
> speak works
> paint works
> memorize works
> crazy touchpad/pointer?
> write
> __**_
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> olpc...@lists.laptop.org
> http://lists.laptop.org/**listinfo/olpc-au
>



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Re: [Sugar-devel] Tests 13.1.0 devel build 5

[Gonzalo Odiard]

>
> -why the summary info no appears in the home list view yet?
>

Probably will not be ready to 0.98 :(
We have a lot of work pending, and we couldn't finish a design acceptable
to all yet.

Gonzalo
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Re: Best way to use SD card to increase XO-1 space

[Roshan Karki]

On Mon, Oct 8, 2012 at 10:40 AM, RJV  wrote:

> What is your problem in upgrading? Problem with your network bandwidth?


Some non technical reason. But this isn't the question I'm asking :)



>
> Jv
>
> On Mon, Oct 8, 2012 at 10:16 AM, Roshan Karki  wrote:
>
>> We have around 4000 XO-1s deployed around the country but we are still
>> stuck with Sugar .82.1 . We do have upgrade plan but not anytime soon. Our
>> educational software EPaath has grown to whooping 503 MB and thus we are
>> desperately in need of some space.
>>
>> We would want to test one mini deployment with SD card. So I'm wondering
>> what the best way would be to use SD card to increase XO-1 storage.
>>
>> My initial idea is to softlink /home/olpc/Activities to SD card.
>>
>> Any comment, suggestion, feedback?
>>
>> Regards,
>> Roshan Karki
>>
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>>
>
>
> --
> Regards,
>
> Ravichandran Jv
> http://ravichandranjv.blogspot.com
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Re: Best way to use SD card to increase XO-1 space

[RJV]

What is your problem in upgrading? Problem with your network bandwidth?

Jv

On Mon, Oct 8, 2012 at 10:16 AM, Roshan Karki  wrote:

> We have around 4000 XO-1s deployed around the country but we are still
> stuck with Sugar .82.1 . We do have upgrade plan but not anytime soon. Our
> educational software EPaath has grown to whooping 503 MB and thus we are
> desperately in need of some space.
>
> We would want to test one mini deployment with SD card. So I'm wondering
> what the best way would be to use SD card to increase XO-1 storage.
>
> My initial idea is to softlink /home/olpc/Activities to SD card.
>
> Any comment, suggestion, feedback?
>
> Regards,
> Roshan Karki
>
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>


-- 
Regards,

Ravichandran Jv
http://ravichandranjv.blogspot.com
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Best way to use SD card to increase XO-1 space

[Roshan Karki]

We have around 4000 XO-1s deployed around the country but we are still
stuck with Sugar .82.1 . We do have upgrade plan but not anytime soon. Our
educational software EPaath has grown to whooping 503 MB and thus we are
desperately in need of some space.

We would want to test one mini deployment with SD card. So I'm wondering
what the best way would be to use SD card to increase XO-1 storage.

My initial idea is to softlink /home/olpc/Activities to SD card.

Any comment, suggestion, feedback?

Regards,
Roshan Karki
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Tests 13.1.0 devel build 5

[Alan Jhonn Aguiar Schwyn]

Hi,
I download the image for my XO-1 and found a few of problems:
-connect to wifi: my router have an encrypted network, and when I click on them 
to conenct,the "enter your password" window not appears.-the keyboard option in 
the "control panel" not works. If you click some times, the XO 
reboots!!-DESIGN: the cross of the GTK text box no are vertical centered (see 
attach image gtk_text_box.png)-the home, in the list view, sometimes shows an 
strange name of the activities (I think a badredraw.. I attach: 
home_list_view.png)-why the summary info no appears in the home list view 
yet?-in the journal: why don't have multi-select option? that is a good feature!
Regards!
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Re: Xo1.5 crashes

[Mikus Grinbergs]

On 10/07/2012 03:22 PM, Andres Aguirre wrote:

In the case that alan is describing with the XO 1.5 the arduino was
connected to the power supply.


See if interposing a __powered__ hub between the XO-1.5 and the arduino 
will make a difference.




WARNING:  I have encountered powered USB hubs that have VIOLATED the USB 
specification - they can emit power on the SMALL socket that normally is 
used for the USB cable that connects to the computer.
It is my understanding that only the LARGE sockets are supposed to be 
able to supply power to the connected device.


[I do not know what kind of USB socket the arduino has.]


IIRC, Richard warned about connecting an XO's USB socket to any USB 
device where that devices's USB socket can emit power (that sets up a 
condition where a non-XO device can try to send power to the XO -- which 
is a no_no).


mikus

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Re: "Turtle Confusion" en Español

[Gonzalo Odiard]

Felicitaciones!
Creo que es un muy buen libro para que los docentes encuentren un uso
mas profundo de TurtleArt. Que bueno que lo hayan traducido.

Gonzalo

2012/10/7 Walter Bender 

> Muy bueno. También disfrutar de esta actividad Sugar:
>
> http://wiki.sugarlabs.org/go/Activities/TurtleConfusion
>
> regards.
>
> -walter
>
> 2012/10/7 Manuel Kaufmann :
> > = Versión en Español =
> >
> > Hola a todos,
> >
> > Les escribo para anunciar la publicación oficial de la traducción al
> > Español del libro de Barry Newell, "Turtle Confusion". La misma se
> > puede encontrar en su versión OnLine[1] o también en su versión en
> > PDF[2].
> >
> > Estamos muy contentos de finalmente hacer ésta publicación ya que se
> > hizo un esfuerzo muy grande para llevarla adelante y creemos que es un
> > libro muy útil en el mundo de la programación y la educación.
> >
> > ¡Espero que le sirva a muchos docentes, alumnos, padres y a quien sea!
> >
> > = English Version =
> >
> > Hi all,
> >
> > I'm writing to announce the official publication of the Spanish
> > translation of the book "Turtle Consfusion" by Barry Newell. This
> > translation can be found in its OnLine version[1] and in its PDF[2]
> > version as well.
> >
> > We are very happy of finally being able to do this publication because a
> great
> > effort has been done to make it possible and we believe that this book is
> > really useful in the programming and educational world.
> >
> > We hope that many teachers, students, parents and anyone can benefit
> from it!
> >
> > [1] http://turtle-confusion-spanish-version.readthedocs.org
> > [2]
> https://github.com/downloads/humitos/turtle-confusion-es/la-confusion-de-la-tortuga.pdf
> >
> >
> > --
> > Kaufmann Manuel
> > Blog: http://humitos.wordpress.com/
> > Porfolio: http://fotos.mkaufmann.com.ar/
> > PyAr: http://www.python.com.ar/
>
>
>
> --
> Walter Bender
> Sugar Labs
> http://www.sugarlabs.org
>
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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Paul Fox]

martin wrote:
 > On Sun, Oct 7, 2012 at 6:56 PM, Peter Robinson  wrote:
 > > Not yet, all the layouts are in and gtk2 works now
 > 
 > Installed, quick test. You're right, the ebook trigger isn't
 > happening. And I cannot type with it -- Write won't show input from
 > the OSK, home view search box won't show input from OSK.
 > 
 > The touchscreen scale_{x,y} defaults are killing me. They make the UI
 > _very_ awkward to use -- I average 2.5 touches before I can hit a
 > moderately large button ("next", or the "stop" icon). This is because
 > the offset the driver applies shifts in every spot of the screen, it's
 > a devilish thing.
 > 
 > Paul, can we crank those defaults way down? Or add a dampening / ramp
 > up effect to the offset that is flat in most of the screen, but
 > quickly ramps up near edges? (If you don't believe me, install OS5 and
 > use Sugar with the touchscreen for a while).

as i said the other day, the kernel driver should either do no scaling
by default, or it should make every pixel on the screen touchable with
a "standard" pointing instrument (i.e., a stylus).  the latter is what
it does now -- perhaps exaggerated.  but any other midway decision
between those extremes (which i agree is probably the right thing)
constitutes policy, and therefore belongs at user level.

which is to say, i think the correct defaults belong in olpc-utils,
along with the countless other XO useablility tweaks that are already
there.

(once that change is firmly in place, i'll probably revert the driver to
default to no scaling at all.)

paul

 > 
 > thanks!
 > 
 > 
 > 
 > m
 > -- 
 >  mar...@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

=-
 paul fox, p...@laptop.org
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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Martin Langhoff]

On Sun, Oct 7, 2012 at 7:41 PM, Gary Martin  wrote:
> Armenia has been raised as one possible extra, but not yet confirmed.

We definitely have a deployment in Armenia, and it is bilingual
Armenian and Russian. Physical keyboard layout is Armenian, IIRC. I'd
liketo have both langs.

> Perhaps once XO-4's start to land and folks play with the OSK we'll see some 
> formal requests.

Everyone remembers about these things the week before their units
arrive, and chaos ensues. Been there, bled through it ;-)

Let's DTRT: coordinate with Reuben to make sure we have good coverage
up front. After all, we will do the job.

Timeliness is next to godliness, specially with HW lead times and OS
release lead times.



m
-- 
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 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Gary Martin]

On 7 Oct 2012, at 23:56, Peter Robinson  wrote:

> 
> On 7 Oct 2012 23:17, "Martin Langhoff"  wrote:
> >
> > On Sun, Oct 7, 2012 at 5:22 PM, Peter Robinson  wrote:
> > > #12082  Maliit on-screen keyboard
> >
> > Yay!!! Is the evdev trickery all hooked up? Does ebook mode DTRT?
> 
> Not yet, all the layouts are in and gtk2 works now

Not quite all the layouts, but the vast majority are done in both landscape and 
portrait. I have Türkçe, Українська, Việt, and 1 usable (out of 3 due to the 
need of the others for a proprietary glyph composition engine) Chinese 
keyboards still to do, and some general bug fixes on several extended keys I 
spotted while testing. Expect an updated set of similar patches before build 
lockdown. There is also still the hanging question with regard for the need for 
additional keyboards for existing or potential deployments. Armenia has been 
raised as one possible extra, but not yet confirmed. Perhaps once XO-4's start 
to land and folks play with the OSK we'll see some formal requests.

Regards,
--Gary

> > cheers,
> >
> >
> >
> >
> > m
> > --
> >  mar...@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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> o...@lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/olpc

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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Martin Langhoff]

On Sun, Oct 7, 2012 at 6:56 PM, Peter Robinson  wrote:
> Not yet, all the layouts are in and gtk2 works now

Installed, quick test. You're right, the ebook trigger isn't
happening. And I cannot type with it -- Write won't show input from
the OSK, home view search box won't show input from OSK.

The touchscreen scale_{x,y} defaults are killing me. They make the UI
_very_ awkward to use -- I average 2.5 touches before I can hit a
moderately large button ("next", or the "stop" icon). This is because
the offset the driver applies shifts in every spot of the screen, it's
a devilish thing.

Paul, can we crank those defaults way down? Or add a dampening / ramp
up effect to the offset that is flat in most of the screen, but
quickly ramps up near edges? (If you don't believe me, install OS5 and
use Sugar with the touchscreen for a while).

thanks!



m
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 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Peter Robinson]

On 7 Oct 2012 23:17, "Martin Langhoff"  wrote:
>
> On Sun, Oct 7, 2012 at 5:22 PM, Peter Robinson 
wrote:
> > #12082  Maliit on-screen keyboard
>
> Yay!!! Is the evdev trickery all hooked up? Does ebook mode DTRT?

Not yet, all the layouts are in and gtk2 works now

> cheers,
>
>
>
>
> m
> --
>  mar...@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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Re: [Techteam] 13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Martin Langhoff]

On Sun, Oct 7, 2012 at 5:22 PM, Peter Robinson  wrote:
> #12082  Maliit on-screen keyboard

Yay!!! Is the evdev trickery all hooked up? Does ebook mode DTRT?

cheers,




m
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 - ask interesting questions
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 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: SD Card bug? XO 1.75 (Repeat post)

[John Watlington]

On Oct 7, 2012, at 2:04 PM, RJV wrote:

> Bug?
> 
> A SD card, with a .Rpm file, crashes the XO whereas any external device 
> should only be used as a booting device if there is a boot image in it or is  
> this an assumption in XO? 

We would need to know if your XO is in developer mode or "locked down".

> I re-flashed the XO but the Linux installation needs to be re-done.
Huh ?  Were you running something other than the OLPC build ?

> Thoughts or any past experiences, anyone, on this?
Shouldn't happen.   One possibility is that some XO-1's weren't as robust as 
they
should have, and many SD cards push the standard.   Try another card if 
possible,
or run some data tests of the SD card to test this. 

Cheers,
wad

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13.1.0 devel build 5 released, for the XO-1, XO-1.5, XO-1.75 and XO-4

[Peter Robinson]

The "ball? What ball?" release.

THIS IS A DEVELOPMENT RELEASE

Latest sugar builds
GNOME 3.6

Fixed bugs:
#12082  Maliit on-screen keyboard
#12088  Browse died on XO-1 with SIGILL in 13.1.0

Activity changes:
-Abacus-37
-Browse-141
+Abacus-39
+Browse-142
-Clock-9
+Clock-10
-ImageViewer-21
+ImageViewer-51
-Paint-45
+Paint-46
-Pippy-49
+Pippy-50
-TamTamEdit-63
-TamTamJam-63
-TamTamMini-63
-TamTamSynthLab-63
+TamTamEdit-66
+TamTamJam-66
+TamTamMini-66
+TamTamSynthLab-66

http://build.laptop.org/13.1.0/os5/
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Re: Xo1.5 crashes

[Andres Aguirre]

In the case that alan is describing with the XO 1.5 the arduino was
connected to the power supply.


On Sun, Oct 7, 2012 at 5:58 PM, Alan Jhonn Aguiar Schwyn
 wrote:
> Hello!
>
> We have one XO 1.5 that have that problem.
> We used it for our Butiá project. When plug an arduino board into the usb,
> the XO reboots
> instantanly. Now, with our PIC18F.. that it speak directly USB works
> perfectly!
>
> The question: the problem is the usb conversion of the arduino board?
> Some devices speak serial, no usb direclty..
>
> Regards!
>
> Alan
>
> 
> Date: Sun, 7 Oct 2012 11:28:52 -0600
> Subject: Xo1.5 crashes
> From: aaronbedf...@gmail.com
> To: Devel@lists.laptop.org
>
>
> So when i plug one usb device into the xo be it an ipod or a cell phone
> while running on battery the screen goes white and the laptop reboots. It
> works fine when plugged in charging though. I just wanted to let you all
> know what im experiencing. I believe the devices are drawing too much
> current from the laptop and forcing a reboot. It doesnt matter which usb
> port i plug it into.
> Thanks
> Aaron Bedford
> IT Admin
>
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RE: Xo1.5 crashes

[Alan Jhonn Aguiar Schwyn]

Hello!
We have one XO 1.5 that have that problem.We used it for our Butiá project. 
When plug an arduino board into the usb, the XO rebootsinstantanly. Now, with 
our PIC18F.. that it speak directly USB works perfectly!
The question: the problem is the usb conversion of the arduino board?Some 
devices speak serial, no usb direclty..
Regards!
Alan

Date: Sun, 7 Oct 2012 11:28:52 -0600
Subject: Xo1.5 crashes
From: aaronbedf...@gmail.com
To: Devel@lists.laptop.org

So when i plug one usb device into the xo be it an ipod or a cell phone while 
running on battery the screen goes white and the laptop reboots. It works fine 
when plugged in charging though. I just wanted to let you all know what im 
experiencing. I believe the devices are drawing too much current from the 
laptop and forcing a reboot. It doesnt matter which usb port i plug it into. 

Thanks

Aaron Bedford

IT Admin 

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Re: Xo1.5 crashes

[Kevin Gordon]

On Sun, Oct 7, 2012 at 3:11 PM, Mikus Grinbergs  wrote:

> Since I don't own a cell phone, I've never tried charging from an XO.
>
> My external USB storage devices are all self-powered; and my other USB
> devices (adapters, microscopes, keyboards, etc.) are all low-power devices.
>  In about four years of using XO-1.5s, I haven't ever had the XO-1.5 crash
> when I dynamically plugged any USB device in.
>
>
I experienced this a couple of years ago in SF when doing my myriad of
gadget tests,  Hence, the reason I bought my powered USB hub is that I
(more than once) plugged in an external USB powered USB mini CD drive and
the 1.5 screen went slowly all weird then white.  If I remember, I was
informed that anything that draws more than 500mA kinda breaks USB rules-
and that would include iPhones and iPads.  Using a double dongle tries to
kluge it on PC's, but this doesn't have any better effect on the 1.5 -
something to do with power flowing downhill. I think I was also told that
it doesn't happen on the XO 1 because of the presence of some diode or
sumpin that keeps the USB device from draining out too fast.

Since I now (like Mikus) use powered hubs for anything that needs more than
500mA of power, I have forgotten the exact explanation.

I believe it was Richard who explained it to me, and basically told me to
cease and desist at the risk of doing damage to the 1.5.  Perhaps he can
chime in again on this.

Cheers,

KG


mikus
>
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Re: Xo1.5 crashes

[Mikus Grinbergs]

Since I don't own a cell phone, I've never tried charging from an XO.

My external USB storage devices are all self-powered; and my other USB 
devices (adapters, microscopes, keyboards, etc.) are all low-power 
devices.  In about four years of using XO-1.5s, I haven't ever had the 
XO-1.5 crash when I dynamically plugged any USB device in.


mikus

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Re: "Turtle Confusion" en Español

[Walter Bender]

Muy bueno. También disfrutar de esta actividad Sugar:

http://wiki.sugarlabs.org/go/Activities/TurtleConfusion

regards.

-walter

2012/10/7 Manuel Kaufmann :
> = Versión en Español =
>
> Hola a todos,
>
> Les escribo para anunciar la publicación oficial de la traducción al
> Español del libro de Barry Newell, "Turtle Confusion". La misma se
> puede encontrar en su versión OnLine[1] o también en su versión en
> PDF[2].
>
> Estamos muy contentos de finalmente hacer ésta publicación ya que se
> hizo un esfuerzo muy grande para llevarla adelante y creemos que es un
> libro muy útil en el mundo de la programación y la educación.
>
> ¡Espero que le sirva a muchos docentes, alumnos, padres y a quien sea!
>
> = English Version =
>
> Hi all,
>
> I'm writing to announce the official publication of the Spanish
> translation of the book "Turtle Consfusion" by Barry Newell. This
> translation can be found in its OnLine version[1] and in its PDF[2]
> version as well.
>
> We are very happy of finally being able to do this publication because a great
> effort has been done to make it possible and we believe that this book is
> really useful in the programming and educational world.
>
> We hope that many teachers, students, parents and anyone can benefit from it!
>
> [1] http://turtle-confusion-spanish-version.readthedocs.org
> [2] 
> https://github.com/downloads/humitos/turtle-confusion-es/la-confusion-de-la-tortuga.pdf
>
>
> --
> Kaufmann Manuel
> Blog: http://humitos.wordpress.com/
> Porfolio: http://fotos.mkaufmann.com.ar/
> PyAr: http://www.python.com.ar/



-- 
Walter Bender
Sugar Labs
http://www.sugarlabs.org
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SD Card bug? XO 1.75 (Repeat post)

[RJV]

Bug?

A SD card, with a .Rpm file, crashes the XO whereas any external device
should only be used as a booting device if there is a boot image in it or
is  this an assumption in XO?

I re-flashed the XO but the Linux installation needs to be re-done.
Thoughts or any past experiences, anyone, on this?

-- 
Regards,

Ravichandran Jv
http://ravichandranjv.blogspot.com
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Xo1.5 crashes

[Aaron Bedford]

So when i plug one usb device into the xo be it an ipod or a cell phone
while running on battery the screen goes white and the laptop reboots. It
works fine when plugged in charging though. I just wanted to let you all
know what im experiencing. I believe the devices are drawing too much
current from the laptop and forcing a reboot. It doesnt matter which usb
port i plug it into.

Thanks
Aaron Bedford
IT Admin
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Sandisk extreme 32GB and 16GB dont initialize in XO-1.75

[George Hunt]

Hi all,

I've been working on a XO-1.75 as XS project. The smallest form factor XS
would use an SD card for School Server storage. So I purchased fast, large
SD cards from Amazon.  These cards work in my mac, and they initialize, and
appear to work on the XO-1.5 running build 860.

The XO-1.75 software is build 21 (12.1.0), firmware is Q4D17.

The error message in the /var/log/messages is:
Oct  7 11:18:44 schoolserver kernel: [157819.81] sdhci: Switching to
1.8V signalling voltage failed, retrying with S18R set to 0
Oct  7 11:18:44 schoolserver kernel: [157819.876896] mmc0: error -110
whilst initialising SD card

In my reading about SD cards, I discover that some SD cards are not
genuine. I have looked at /sys/... and the manufacturing number was "003"
which is appropriate for sandisk.

This error message is mentioned in
Ticket #11736

I'd be happy to give more info, or do testing.

George
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