Re: How do I project an XO

Kurt Gramlich wrote: > * Steve Lewis <[EMAIL PROTECTED]> [080516 07:55]: > >> I am doing a talk in front of a large audience and would like to show >> the XO's screen on a projector. I have a laptop which >> can be projected and ideally would like to show the XO's screen on the >> laptop. Other

Re: [Its.an.education.project] Sugar on the EEE PC

Bernie Innocenti wrote: >> a serious problem in the most underserved areas --- the price trend >> is for the second >> generation of the "low cost" laptops to head back to $500. >> The Asus 900 has a suggested list of $550 ? > > That's weird marketing... ASUS and Intel know they will have to > b

Re: Walter leaving and shift to XP.

Mitch Bradley wrote: > But in the steady > state, the > web is the high-order bit, sufficient to qualify as education in and of > itself. Well ... it *was* at one time -- a university library made up of electrons. But in my mind, that was long ago in a galaxy far away. Oh, sure, you can still

Re: Update.1 RC3: candidate-703 Published!

Chris Ball wrote: > Hi Ed, > >> OK ... I installed it on my G1G1 XO (via the GamePad / USB >> method). It boots up into Sugar, and I can see the frame, but not >> icons to start up any activities. Is there something I need to do?? > > Yes: > >http://wiki.laptop.org/go/Testing_Upd

Re: Update.1 RC3: candidate-703 Published!

Michael Stone wrote: > Friends, > > At long last, we have a new Update.1 Release Candidate, signed and > waiting for your attention at > > http://download.laptop.org/xo-1/os/candidate/703/jffs2/ > > Release notes continue to develop at > > http://wiki.laptop.org/go/OLPC_Update.1_Software_R

Re: OLPC seeks a CEO -- who was your favorite CEO elsewhere?

John Gilmore wrote: > ==> Who's the best manager or CEO you ever worked for? Hands down, C. Norman (Norm) Winningstad! [snip] > OLPC has already changed the world in a small > way, by teaching us that there's a vibrant world market for low cost, > high function portable computers, and remindi

Re: I/O scheduling (pdflush) on the XO

Mikus Grinbergs wrote: > For the fun of it, started a resource-intensive task (100% CPU, > sporadic floods of disk writes) on my G1G1 XO. Eventually, it > failed with a "severe (38)" fortran error trying to write its > checkpoint file {mikus note: many quick small write operations}. Why? This

Re: Setting up Fedora 7 on a ex-Windows machine (Ottawa)

James wrote: > Hello OLPC people! > > I am working on a Snakes and Ladders game for the XO, to help young > children learn to count. You can find my first draft of the game > here: . > > > I'm looking for help in getting Fedora 7 to run

Re: [OLPC library] MATLAB for OLPC?

Ian Bicking wrote: > I'm not sure his summary here is true. You can do efficient operations > over sets of data in Python (actually due to some small tweaks to the > language requested by NumPy/Numeric users back around the time of Python > 2.1). So if you do something like "array * 6", it act

Re: [OLPC library] OLPC+MATLAB+Greene DNA Chip = Disease Tricorder for developing world

M. Edward (Ed) Borasky wrote: > R has several server options, although I've never used them. http://www.rforge.net/Rserve/ http://cran.r-project.org/src/contrib/Descriptions/R.rsp.html and if you absolutely positively *must* use Windows, http://cran.r-project.org/contrib/extra/dcom

Re: [OLPC library] OLPC+MATLAB+Greene DNA Chip = Disease Tricorder for developing world

Kate Davis wrote: > At Yale, we run Matlab gridWorks (??), which is, as I understand, a > distributed client-server type environment. > > Perhaps a slim Sugar client with a Matlab server might be a good option? > There are some S+ c/s options, and I can check in to R. R has several server optio

Re: [OLPC library] MATLAB for OLPC?

Rafael Enrique Ortiz Guerrero wrote: > > > 2008/1/28 C. Scott Ananian <[EMAIL PROTECTED] >: > > On Jan 28, 2008 5:24 PM, Ivan Krstić > <[EMAIL PROTECTED] > > wrote: > > On Jan 28, 2008, at 8:04 PM, Cleve Moler wrote: > > >

Re: MIDI does support non-Western music (was: Why can't i access /dev/dsp or /dev/snd on my XO)

imm wrote: > Ed Borasky was suggesting scala as a useful thing to have working in > this regard... > > Now, that got me wondering - I know it's freeware, but I'd never seen > the source anywhere. Have I missed it somewhere? That is, is it open > source? > I'd always (somehow) assumed it was

Re: MIDI does support non-Western music (was: Why can't i access /dev/dsp or /dev/snd on my XO)

Albert Cahalan wrote: > imm ian writes: > On 22 Jan 2008, at 4:11, Albert Cahalan wrote: > >>> You don't need to abuse pitch bends. MIDI lets you >>> redefine the pitches of the notes. You can redefine >>> middle C to be 1234 Hz if you like. >> Mmm, well, yes, but... > > No "but". You can redefin

Re: Why can't i access /dev/dsp or /dev/snd on my XO

imm wrote: > On 22 Jan 2008, at 3:43, M. Edward (Ed) Borasky wrote: > >> By the way -- as far as microtonal and xentonal and "world music >> scales" >> are concerned, MIDI's pitch bends are an awkward hack. Serious >> *microtonal* algocompsynth pract

Re: Hershey Felder, Zulu Musical Instruments, Essential To Develop Musical Traditions In Africa

william romsay wrote: > Hershey Felder, Zulu Musical Instruments, Essential To Develop Musical > Traditions In Africa > > > African music is the music of Africans who live in a large region of 50 > nations, each with a special culture, history and language, South of > Sahara. Zulu musical inst

Re: Why can't i access /dev/dsp or /dev/snd on my XO

Albert Cahalan wrote: > On Jan 21, 2008 12:27 PM, Walter Bender <[EMAIL PROTECTED]> wrote: >> (b) as has been pointed out repeatedly, CSound is an open standard >> (which incidentally predates the MIDI standard). > > It may be open, but it isn't much of a standard. > I've only found one implementa

Re: Why can't i access /dev/dsp or /dev/snd on my XO

Ivo Emanuel Gonçalves wrote: [snip] I gave up on OSS years ago, when I discovered that there were dozens of high-quality sound cards without free OSS drivers! Alsa was release < 1 back then, and there was very little documentation. That's been fixed, and I am not going back to OSS!

Re: OLPC and GLX

Bryan Duff wrote: > After compiling in mesa source to get GLX working on the FC7-based > builds. Running `glxgears -fullscreen` I get ~25 fps. Compared to > Ubuntu which gets 65 fps, this is rather poor. > > I think the Ubuntu performance shows that 3D (albeit simple 3D) is very > possible and w

Re: Why can't i access /dev/dsp or /dev/snd on my XO

Albert Cahalan wrote: > On Jan 19, 2008 4:33 PM, victor <[EMAIL PROTECTED]> wrote: > >> I can't speak for TamTam because I am not involved in their >> design details, but I can say this, Csound's standard score >> preceeds MIDI by at least a decade (or two if you consider where >> it came from). I

Re: disabling root and olpc passwords

Mikus Grinbergs wrote: > The 2008-1-12 OLPC News says "... so that we can finally disable the > root and olpc passwords". > > The way I have my G1G1 system set up (I have no wireless) I *need* > to ftp in. For that, I have set a password for olpc. It would be > ok with me to set up a differen

Re: Fwd: Dailymotion for XO laptop

[EMAIL PROTECTED] wrote: > The other option is to write implementations of the codecs that avoid > the patents. Whether that is possible depends on the exact wording of > the patent, and sometimes it takes a few weeks working with a good > patent attorney to work out exactly what the patent really

Re: GLX available?

NoiseEHC wrote: > Try to contact him, he ported TinyGL successfully: > http://lists.laptop.org/pipermail/devel/2007-June/005375.html > > > >> As a data point, Doom runs quite fast even at full resolution on a >> B4. Have not heard reports on getting Quake running. But I suspect >> that a sof

Re: A jabber hosting offer...

Dave Belfer-Shevett wrote: > I've just received my, er, my son's XO, and he's ecstatic with it, > enjoying fiddling with Python programs and other tidbits. I've heard > that the Jabber 'chat' functions are disabled on the US XO's, mostly > because the existing jabber hosts can't really take th

Re: shutting off wireless for air travel

Mitch Bradley wrote: > This is all documented on the wiki. See: > > http://wiki.laptop.org/go/Airplane_mode > > and > > http://wiki.laptop.org/go/Support_FAQ#How_do_I_disable_wireless_when_flying.3F > > If you don't want the wireless to restart automatically after a reboot, > renaming /lib/fi

Re: XO as a scientific platform: wiki page

David W Hogg wrote: > FWIW, I started a wiki page (on my research group wiki) about setting > up my G1G1 XO for scientific writing on the road (and, eventually, > research, but right now my job is to write a grant proposal on the XO > as I travel around this weekend). > > http://howdy.physics.nyu.

Re: Uniting the community's infrastructure

Chris Hager wrote: > Hi all! > > From now on, the channel #olpc-groups is open with the ambition to > connect local communities from everywhere! I can imagine a lot of > potential for collaborations, projects, problem solving and > not-reinventing-the-wheel :) ! > > SJ and I have talked about

Re: Updates API documentation for everything.

Edward Cherlin wrote: > Does anybody know of a documentation tool for Open Firmware, or for > FORTH more generally? Exploring using 'words' and 'see' Are you looking for automated documentation generation, or FORTH coding and documentation standards? I don't know about the former, but there is a w

Re: Kernel configuration options

Mitch Bradley wrote: > From a security standpoint, there is an advantage to building in > everything. The main kernel is verified with a crypto signature before > it is executed. Loading a module without first verifying a > similarly-strong signature weakens the security. > > Modules are a g

Re: Kernel configuration options

John Richard Moser wrote: > I'm also noticing some things like KALLSYMS and BUG(), BSD process > accounting, and the like. KALLSYMS, BUG(), and printk() are useful; on > a true embedded device I'd say remove 'em but I can't justify it here... > BSD process accounting and auditd support though?

Is the "yum" repository down?

I just built a VMware virtual XO (build 655) and I can't seem to access the "yum" repositories: -bash-3.2# yum search chess http://mock.laptop.org/repos/local.ship2/repodata/repomd.xml: [Errno 12] Timeout: Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository

Re: I got a developer key -- now what? :)

Chris Ball wrote: > Hi, > >> I signed up for a developer key, so I have one now. But what can I >> do with it? > > You can do anything that you'd expect to do with a standard laptop; > install any operating system, and flash a new BIOS. > >> How can I be sure I'm not going to nuke

I got a developer key -- now what? :)

I signed up for a developer key, so I have one now. But what can I do with it? How can I be sure I'm not going to nuke the XO beyond all recovery? Is there some kind of documentation on what's risky and what's safe? ___ Devel mailing list Devel@lists.lapt

Re: 3rd Fedora disk curdle

Gerard J. Cerchio wrote: > M. Edward (Ed) Borasky wrote: >> 1. Define "curdle their ext3 disk". >> > I use the word curdle to describe a disk with lost inodes, sectors that > are multiply allocated, and other such problems that fsck valiantly > tries to corre

Re: 3rd Fedora disk curdle

Gerard J. Cerchio wrote: > In the short time I have been working with olpc I have had my Fedora > VMware machines curdle their ext3 disks 3 times. > > I have been running 2.4 and 2.6 Redhats and Debians for over a year with > no such problems. Once the first Fedora 7 machine broke its disk I hav

Re: Error: Missing Dependency: libpoppler-glib.so.1 is needed by package evince-olpc

Jim Oser wrote: > I am trying to make a developer system with the source code. > > I downloaded and installed ship2-olpc-653.vmdk and ship2-olpc-653.vmx > > This is working fine in my VMWare Fusion setup. > Where are the prebuilt vmdk and vmx on the Internet? I've been downloading the ".img" fi

Re: [olpc-help] setting correct time

Chih-yu Chao wrote: > Hi, > > Please refer to > http://wiki.laptop.org/go/Support_FAQ#How_do_I_set_the_date_and_time_on_my_laptop.3F > > The OLPC team is currently working on that wiki section, so you might > want to check back later for more updates. > > Thanks a lot! > Chih-yu > > > On Dec 2

Re: Give One Get One laptop for software development

Edward Cherlin wrote: > I would want to work out algorithms in APL and translate to something > else after they were working. I may be able to provide an APL for the > XO next month. It's 29K. See Executable Math on the Wiki. Very cool!! I've always wanted to learn APL but never had an excuse. I t

Re: Playing with IDEs

Bernardo Innocenti wrote: > Jeffrey Kesselman wrote: > >> Think VERY carefully about his. Your opening up a world of potential >> hurt for 2D game developers and similar kinds of apps. > > I designed a few 2D arcade games myself and I've found that it > only takes a minimal amount of thought to

Re: Give One Get One laptop for software development

Yoshiki Ohshima wrote: > Edward, > >> a. There isn't enough room for the RPM on the base 1 GB hard drive. > > This, and what you wrote to the Ruby mailing list makes me think > that there is some differerence between your environment and a typical > installment on XO. A clean installation of

Re: [olpc-help] clicking 'back' crashes browse

Anonymous wrote: > this is a weird one, but its happened now several times so i wanted to post > it. roughly half the time i try to go 'back' during a browse session, the > activity will close abruptly. i would say that this is because of a complex > page but it happens on simple sites like the

A couple of "adult use case" questions

1. My typical use of laptops is nearly always with the AC adapter plugged in. I don't travel a lot, and when I do, I generally don't operate the laptop in an aircraft. I've been told that this is harder on batteries than allowing them to discharge and recharge. With the XO, though, I'm planning to

Re: Gen2 pointing device

Albert Cahalan wrote: > It's time to think outside the box again. These office-oriented > pointing devices aren't working very well. Kids are commonly > coated with stuff. That includes abrasive grit, conductive liquid, > and opaque liquid. Mud and food are particularly common. > > The touchpad fa

Re: Playing with IDEs

Jeffrey Kesselman wrote: > Figured it was time for a new thread for this > > Idle is actually included on the olpc in /usr/lib/python2.5/idlelib > > However trying to invoke idle.py gives this error... > > ** IDLE can't import Tkinter. Your python may not be configured for Tk. > > Question

Re: Give One Get One laptop for software development

Rob Savoye wrote: >> 2. "Native" develop and test on the XO itself. > GCC and G++ are both used with the XO. Used with an XO, sure. But not *installed on* the XO by default. I run virtual XOs in VMware Workstation 6. You can't install VMware Tools on one because: a. There isn't enough room for

Re: Give One Get One laptop for software development

Jeffrey Kesselman wrote: > The discussion thread rather looks like it suffered from a 'too many > cooks" problem. > > Aren't there any existing small ide's written in pyton for python? The two main IDEs for Python are "Eric" and "Idle" (bonus points for knowing who Eric Idle is and what *other* g

Re: Give One Get One laptop for software development

Danilo Câmara wrote: > I'm a student at State University of Campinas, Brazil. I'm researching > efficient implementation of Elliptic Curve Cryptography in constrained > environments. I'm working with an ARM XScale PXA270 platform but would > like also to work with a x86-based constrained platform.

Re: Our Stories: Commercialization?

Tom Boonsiri wrote: > After reading the Bender update, I checked out Anna's recent effort > (http://wiki.laptop.org/go/User:Anna_B) which seemed to be similar to > Ian Daniher's Telehealth module effort and I noticed the following goal. > > -Van on commercializing Our Stories: would consumers pay

Re: Fooling with Java

Bert Freudenberg wrote: > On Dec 22, 2007, at 2:04 , Jeffrey Kesselman wrote: >> Okay, >> >> I have a JDK installed and it seems to work. For grins i put netbeans >> on my USB stick and fired it up. >> >> It seems to be working however I get no main display. I do get pop up >> dialogs though. >>

Re: Mounting a USB drive (windows format)

Jeffrey Kesselman wrote: > On Dec 21, 2007 2:36 PM, Greg KH <[EMAIL PROTECTED]> wrote: >> On Fri, Dec 21, 2007 at 02:05:29PM -0500, Jeffrey Kesselman wrote: >>> More Diagnosis: >>> >>> I bought an OLPC in the buy one/give one so i just tried the USB stick >>> on the real machine and it works fine.

Re: Mounting a USB drive (windows format)

Jeffrey Kesselman wrote: > Hi Guys, > > im trying to get started developign but ist pretty clear that my > development environment wont fit on the emulation image's disk. > > No biggie, I figured, I'll put it on a USB memory stick. > > I can tell my emulator (VMWARE) to make the USb memory stic

Re: Mounting a USB drive (windows format)

Jeffrey Kesselman wrote: > No... reformatting to Fat32 didnt help :( > > On Dec 21, 2007 1:49 PM, Jeffrey Kesselman <[EMAIL PROTECTED]> wrote: >> Hmm. >> >> It is a FAT file system. >> >> But it isn't automounting :( And I can't figure out what it "name" >> would be to manually mount it... >> >>

Re: Oprofile, swap

Jordan Crouse wrote: > On 18/12/07 12:39 -0500, Chris Ball wrote: >> Hi, >> >>> However, you appear to be correct about the oprofile kernel. >> >>> $ grep OPROFILE config* >>> config-olpc-generic:# CONFIG_OPROFILE is not set >> >> It is enabled in our kernel: >> >> -bash-3.2# grep OPROF

Re: sudo, not su.

[EMAIL PROTECTED] wrote: >> I'd like to draw devel@'s attention to trac bug 5537, which might land >> sometime soon: >> http://dev.laptop.org/ticket/5537 >> The upshot would be that, instead of logging in directly as root with >> no password, you would log in directly as *olpc* with no password,

Re: Oprofile, swap

Ivan Krstić wrote: > On Dec 18, 2007, at 6:27 PM, John Richard Moser wrote: >> I like to think of programs like kernels, or kernels like programs. >> Either way, I like to treat applications like microkernels. In the >> embedded scene, this may actually be critical; maybe you should >> think

Re: Oprofile, swap

John Richard Moser wrote: > > (Note: most of this message isn't very useful probably; it's about > theoretical software architecture, that nobody's going to implement, > that I can't prove, that I'm not really 100% sure about. Still, if you > WANT to read it, hey... remember, bad ideas someti

Re: Oprofile, swap

John Richard Moser wrote: > I just got my OX laptop (hopefully some kid gets the other one soon... > or not), and noticed it's slow and kind of buggy. I think I'll get a > $25 4GB SD card for a SWAP area... > > I should run oprofile too, and have it write to the SD card. I > understand what a

Re: KDE, QT, and the XO

Bernardo Innocenti wrote: > (adding devel@ and Bernhard Rosenkraenzer to Cc list) > > Samuel Klein wrote: > >> Two questions for you: >> 1) is anyone working on a slimmed-down version of QT? It looks as though >> it would be 30M of code and dependencies not in our current image. (see > > I

Re: Activity depends on Fedora-packaged binary code

Bernardo Innocenti wrote: > Asheesh Laroia wrote: > >> I suppose I'll have to include a libraptor.so.1 in my own .xo's lib/ >> directory. Is the normal(ish) way to do this by just unpacking the RPM >> and yoinking the Fedora-compiled .so and jamming that file into my .xo? > > This is my unders

Re: Upgrading to Fedora 8

Bernardo Innocenti wrote: > Yesterday I tried upgrading yoyride to Fedora 8, to see > how much pain it would be. > > After enabling the fedora repo in /etc/yum.repos.d/fedora.repo and > tweaking it to make it fetch from version 8, I just did: > > init 3 > yum -y dist-upgrade --exclude poppler

Re: Status of Develop.activity?

C. Scott Ananian wrote: > On Dec 5, 2007 10:15 PM, Albert Cahalan <[EMAIL PROTECTED]> wrote: >> Finally we have the problem of NO systems programming language >> being supplied. It's less than 9 MB for the whole C development >> environment, including a decent collection of *-devel packages. >> You

Re: Fake mesh over IP.

Morgan Collett wrote: > Yes, the presence service operates either over the mesh, or via a Jabber > server if you have Internet access. However due to scalability issues, > the G1G1 software is not configured with a real jabber server by > default. There is no way we could handle the 100,000 G1G1 la