Re: Requesting audio samples using gstreamer

2007-10-21 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Arjun Sarwal wrote: Is there a way to explicitly request samples from Alsa using gstreamer ? Not that I'm aware of. You could set up a gstreamer pipeline that writes raw audio into a named pipe (FIFO), and then read the data out of the FIFO in

Re: ip4-address buddy property - still needed?

2007-10-25 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Erik Blankinship wrote: Record uses ip4-address, but we've just about completed Record Tubes (and it is working great). Should Activity developers assume that stream tubes will be available in both Gabble and Salut by OLPC 1.0? - --Ben -BEGIN

Re: CODE FREEZE COMING!

2007-10-27 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I am one of the many volunteer Activity developers. I believe my Activity merits inclusion in the build. (For example, I feel it meets the Criteria for Inclusion outlined by Walter in a past community newsletter.) I am sure many other Activity

Request Git repo for Clock

2007-11-13 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 1. Project name : Clock 2. Existing website, if any : None 3. One-line description : It's a clock. 4. Longer description : It shows 24-hour digital time, 12-hour analog time, and auto-localized date. Digital time and analog

StopWatch activity

2007-11-13 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 1. Project name : StopWatch 2. Existing website, if any : http://dev.laptop.org/~bemasc/screenshot.png 2.5. Download: http://dev.laptop.org/~bemasc/StopWatchActivity-1.xo 3. One-line description : The most ludicrously awesome

Re: StopWatch activity

2007-11-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 James Cameron wrote: On Wed, Nov 14, 2007 at 02:45:31AM -0500, Benjamin M. Schwartz wrote: 2.5. Download: http://dev.laptop.org/~bemasc/StopWatchActivity-1.xo Tested on build 625 on a B4, works okay, problems you probably already know about

Re: StopWatch activity

2007-11-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hal Murray wrote: Obsessive accuracy. What's your version of Obsessive? Seconds? Milliseconds? Microseconds? I have no desire to do better than 0.01s. Human reaction times are an order of magnitude slower than that anyway. What I meant is, I

Acoustic distance measurement test results

2007-11-18 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Joyride builds currently include my Acoustic Tape Measure activity, designed to turn any pair of laptops into a tool for measuring distance. Today, I decided to test the maximum range. I used two B4's running clean installs of joyride 289. I went

Re: Acoustic distance measurement test results

2007-11-18 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 [EMAIL PROTECTED] wrote: How high off the ground were the laptops? At ground height, with ears up, the node to node transmission distance is very small. That's why school server antennas will be mounted high. The laptops were sitting directly on

Re: Displaying formatted text (HTML)

2007-12-05 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Asheesh Laroia wrote: Right now, we have the formatted text in HTML format. I don't really want to embed Mozilla, but is there a lightweight GTK HTML widget that I can access from Python that is standard on the XO? Not that I'm aware of. If

Re: Oprofile, swap

2007-12-18 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ivan Krstić wrote: On Dec 18, 2007, at 12:27 PM, Jameson Chema Quinn wrote: Has anyone looked at Psyco on the XO? Psyco improves performance at the cost of memory. On a memory- constrained machine, it's a tradeoff that can only be made in

Re: Hippo Canvas

2007-12-20 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Gerard J. Cerchio wrote: Sorry to say that I am having a terrifically hard time trying to use the hippo canvas. hippocanvas is sort of deprecated. Initially, hippocanvas was to be the basic building block for all Activities, but it proved too

TurtleArt Mandelbrot

2007-12-30 Thread Benjamin M. Schwartz
I was intrigued by Turtle Art, and wanted to learn how to use it. I was also bored, stuck in an airport after my flight was delayed. Therefore, I decided to write a Mandelbrot Fractal generator in Turtle Art. You can see the result here: http://dev.laptop.org/~bemasc/mandelbrot/Screenshot.png

Re: NAND FLASH wear-out

2008-01-02 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mitch Bradley wrote: The part is rated for 100,000 *erase* cycles per block. There are 64 independently-writable 2K pages per block. Writing doesn't count in the wear calculation - just erasing. What does rated mean? Specifically, I imagine

Re: Localization (translation) questions?

2008-01-05 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Kent Loobey wrote: 1. I will have sound entries that will need to be translated. How do the translators want this to be laid out for them. Translators are not voice-actors. There is no infrastructure in place for recording speech in many

Re: Copy-on-write for develop

2008-01-05 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jameson Chema Quinn wrote: Does anyone know if it is possible for Sugar to support something like this? That is, if it there's any way - either file-system-native or through some strap-on - to safely hand a link to a process so that (either

Re: GLX available?

2008-01-07 Thread Benjamin M. Schwartz
On Mon, 2008-01-07 at 13:11 +0100, 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.

Re: Fwd: Dailymotion for XO laptop

2008-01-08 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Walter Bender wrote: http://wiki.laptop.org/go/Ask_OLPC_a_Question_about_Software#Include_Flash_Player.3F but I want to be sure to be optimized with all the parameters of the laptop (video performance, cpu, power management, etc.). We encode our

Re: mesh portal discovery

2008-01-10 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dan Williams wrote: It's not that hard to write an app that notices and handles IP address changes. Not handling this in apps that are written for or ported to the XO is just plain laziness. When porting or writing, you need to handle the

Re: 3dpong request for hosting

2008-01-11 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Samuel Klein wrote: Yes, it would help to have distributed network services such as ones that let you say join the next available connect/pong game This is easy to implement within the current sharing framework. It just requires each game to pair

Re: mesh portal discovery

2008-01-12 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Sjoerd Simons wrote: Activities need to cope with people coming going anyway. If your in a mesh only environment, the mesh can be split into two or more parts at any point and later on merge again. Salut will model that as people disconnecting

Re: 3dpong request for hosting

2008-01-12 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Samuel Klein wrote: Benjamin M. Schwartz writes: Samuel Klein wrote: Yes, it would help to have distributed network services such as ones that let you say join the next available connect/pong game This is easy to implement within the current

Theora and Video Conferencing

2008-01-12 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 There has been a lot of discussion of video conferencing using the XO, and a demo activity was created last year. However, our video codec of choice, Theora, has not been able to encode fast enough to do real-time streaming at acceptable quality. As

Re: libglade?

2008-01-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jameson Chema Quinn wrote: I'm still noodling around, trying to settle on a good design for develop. It looks as if libglade would be nice to have. Prior to this summer, I had never written a GUI. I was creating an Activity, so I tried Glade and

Re: New joyride build 1538

2008-01-15 Thread Benjamin M. Schwartz
On Tue, 2008-01-15 at 13:45 -0500, Build Announcer Script wrote: +make.i386 1:3.81-6.fc7 +openldap-servers.i386 0:2.3.34-4.fc7 +perl.i386 4:5.8.8-27.fc7 +perl-libs.i386 4:5.8.8-27.fc7 Perl? Really? --Ben ___ Devel mailing list

Re: Testing the Wireless driver changes

2008-01-18 Thread Benjamin M. Schwartz
On Fri, 2008-01-18 at 14:47 -0500, Dan Williams wrote: So wait, what's going on here? I thought the devices attached to school servers were just run-of-the-mill USB 8388 devices like the 8388 daughterboard of the XO, but different connector, right? What is the post-boot firmware flash

Re: power management experiences with joyride-1572

2008-01-23 Thread Benjamin M. Schwartz
On Wed, 2008-01-23 at 11:47 -0800, Hal Murray wrote: Yes, the resume operation is triggered by user input, or a wireless packet addressed to the host (or some battery-related events). It can't be triggered by anything in software unless that's organized ahead of time; the CPU is turned

Re: OLPC News 2008-01-26

2008-01-26 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Walter Bender wrote: 5. Batteries: Carla Gomez Monroy reports from Mongolia that the batteries are not lasting as long as expected. The extreme cold was the first suspect. Richard had Carla collect data via olpc-logbat and ran some tests of his

Re: PDF reader not really user friendly...

2008-01-26 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 [EMAIL PROTECTED] wrote: after all the qwerty keyboard layout was designed to slow typing so that the mechanical typewriters could keep up. there are better layouts for typing (even some standardized ones like doevak) but the OLPC ships with

Re: [OLPC library] 'OLPC-Health' takes off !!- MATLAB for OLPC?

2008-01-28 Thread Benjamin M. Schwartz
On Mon, 2008-01-28 at 08:34 -0700, Brown, Henry, DoIT wrote: Could Matlab create Greene Chip DNA microarray software to run on OLPC? http://www.mailman.hs.columbia.edu/news/Lipkin_GreeneChip.html http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=2573

Re: Using Matplotlib in Measure Activity

2008-01-31 Thread Benjamin M. Schwartz
On Thu, 2008-01-31 at 01:32 -0500, Arjun Sarwal wrote: For some time I have been thinking about extending the functionality of Measure Activity into a tool that also allows for graphical analysis of data acquired not just from sensors/mic but data acquired from any source. (1) A standard

Re: Activity conventions?

2008-02-05 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 ffm wrote: On Feb 5, 2008 5:50 PM, Kent Loobey [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Can someone point me to a list of the OLPC Activity conventions. http://wiki.laptop.org/go/HIG If you have questions about the HIG or activity

Re: python activities startup

2008-02-06 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tomeu Vizoso wrote: By the data in #5228, looks like more than 50% of time is spent importing modules. dbus, telepathy and pygtk make for more than 30% of _total_ startup time. There has been much talk about fork()ing the python interpreter for

Re: python activities startup

2008-02-06 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tomeu Vizoso wrote: If I understand correctly how that fork() would work, what we would be saving in that case is the reading of modules, but the python code at the module scope would need to be executed anyway. I am no expert, but, without

Re: problems using the measure activity.

2008-02-10 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 [EMAIL PROTECTED] wrote: however when we attempted to demo the measure activity we just could not figure out how to make it work. we got it working three times over the weekend (among a dozen or more tries). we has laptops with the 650 build,

Re: Serious side effect of #6299 (silencing salut so gabble can connect)

2008-02-14 Thread Benjamin M. Schwartz
On Thu, 2008-02-14 at 16:58 +0200, Morgan Collett wrote: We're testing patches to Presence Service to not start salut (or stop it) for a while to give gabble a chance to connect to the schoolserver. (a) Touch all these activities now and port them to the newer cleaner API offered by PS/Sugar

Re: bar code scanners on the XO

2008-02-15 Thread Benjamin M. Schwartz
On Fri, 2008-02-15 at 16:24 -0500, Walter Bender wrote: Has anyone used a USB bar code scanner on the XO? Any recommendations as to a model we could use for an inventory project? As you are probably aware, it is possible to read barcodes from the camera, using software analysis. See for

Semi-successful Bayer-mode capture from internal camera

2008-02-17 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I have created a stepwise procedure for experimenting with Bayer mode capture: 1. su - 2. yum install python-imaging 3. wget http://dev.laptop.org/~bemasc/bayertest.tar.gz 4. tar xzvf bayertest.tar.gz 5. cd bayertest 6. python bayertest.py

Re: Salut and Suspend/Resume issues

2008-02-19 Thread Benjamin M. Schwartz
On Tue, 2008-02-19 at 12:29 -0500, Giannis Galanis wrote: The avahi works is that every several minutes(a predetermined timeout) each host will send multicast request for all peers in its list. Then all peers receiving this request will send a multicast reply. The packets are multicast

Re: Salut and Suspend/Resume issues

2008-02-19 Thread Benjamin M. Schwartz
On Tue, 2008-02-19 at 10:02 -0500, John Watlington wrote: We ALWAYS have multicast traffic. Blindly waking on each received multicast packet will ensure that we only sleep for milliseconds. What is all this multicast traffic? If I am sitting idle on the network, why is there constant

Re: suspend vs. SD card

2008-02-21 Thread Benjamin M. Schwartz
On Thu, 2008-02-21 at 10:18 -0500, Mikus Grinbergs wrote: It appeared to me that the 'resume' following the suspension had re-interrogated the SD card (was power to it turned off by suspend?) and had somehow mixed up access to it. My recovery was to reboot. This is bug #4013:

Re: Axis of time: up/down rather than right/left?

2008-02-21 Thread Benjamin M. Schwartz
On Thu, 2008-02-21 at 15:21 -0600, Jameson Chema Quinn wrote: The problem with left/right is that it is biased towards LTR languages (or it requires extra L10N work), and it inevitably inconsistent with the up/down axis necessary for lists. When running in an Arabic locale (or other RTL

Re: Semi-successful Bayer-mode capture from internal camera

2008-02-28 Thread Benjamin M. Schwartz
On Thu, 2008-02-28 at 16:25 -0800, Peter Krenesky wrote: Are you using gstreamer or are you just accessing the camera with v4l? If you do not change the parameters V4L will just use the current settings that were set by the last program to use it. -Peter I'm using pyvideograb, which is

Re: Testing 200 XO's in two weeks time for Nepal's pilot

2008-03-03 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 John Gilmore wrote: | I recommend that once you have developer keys, you leave the machines | unlocked. You are going to be running a lot of unsigned builds in the | future -- you're customizing your builds. Eventually, there must be a way for

Re: Need Help

2008-03-03 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Waqas Toor wrote: | Hello All, | | I am having a problem and unable to find any solution regarding that, | I have written an activity in using GTK and glade, and have sugarized | it according to the hello world tutorial in wiki. but still i dont |

Re: Need Help

2008-03-04 Thread Benjamin M. Schwartz
On Tue, 2008-03-04 at 17:37 -0500, Michael Stone wrote: On Tue, Mar 04, 2008 at 10:12:35AM +0100, Tomeu Vizoso wrote: On Tue, Mar 4, 2008 at 6:54 AM, Benjamin M. Schwartz [EMAIL PROTECTED] wrote: Waqas Toor wrote: | can anybody please see the log i am attaching and tell me is rainbow

Re: Need Help

2008-03-04 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Stone wrote: | On Tue, Mar 04, 2008 at 06:16:34PM -0500, Benjamin M. Schwartz wrote: | According to my software engineering professors, a program should | always handle any input data without an assertion failure. Assertions | are for catching

Re: Need Help

2008-03-04 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Stone wrote: | On Tue, Mar 04, 2008 at 08:22:31PM -0500, Benjamin M. Schwartz wrote: | Michael Stone wrote: | | My central error-handling goal has been to compactly express my | | assumptions in a form that will prevent them from being

Re: Installing RPMS via Customization Key

2008-03-07 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Stone wrote: | It's completely unsafe to use the new USB customization keys to execute | software located on-key or on-NAND because any opportunity for arbitrary code | execution as uid 0 represents a serious threat to our first-boot

Re: Installing RPMS via Customization Key

2008-03-07 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 C. Scott Ananian wrote: | On Fri, Mar 7, 2008 at 9:37 AM, Benjamin M. Schwartz | [EMAIL PROTECTED] wrote: | It is difficult to comment on this without more detail on USB | customization keys. My understanding was that such customization would

Re: [PATCH] Install customization packages left for us by a USB key.

2008-03-07 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Stone wrote: | On Fri, Mar 07, 2008 at 10:11:06AM -0500, C. Scott Ananian wrote: | Classic privilege-escalation attack. | | /, /home, and /home/olpc, are only writable by uids 0 and 500. Both uids | 0 and 500 have direct access to uid 0.

Re: drupal on OLPC?

2008-03-12 Thread Benjamin M. Schwartz
On Wed, 2008-03-12 at 21:47 +0100, bert boerland wrote: Dear All, As a member of the Drupal community, I would like to see the Open Source CMS Drupal ship on the OLPC. The OLPC XO is virtually the worst possible server platform. It is highly mobile, has little memory or disk space, usually

Re: olpc-update, update.1, and activities

2008-03-13 Thread Benjamin M. Schwartz
On Thu, 2008-03-13 at 15:59 -0400, C. Scott Ananian wrote: Upgrade via olpc-update will work fine, but you'll have to use the customization key (without the four-button erase-everything step) or other mechanism (download, unzip) to install the activities. This is absolutely unacceptable for

Re: Maintaining Activity Packs

2008-03-21 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Stone wrote: | * to the extent that we are able, we should record the compatibility | matrix between builds and activities Once upon a time, there was going to be a build called First Release to Service, and its number was to be 1.

Re: [sugar] Educational Toolkit

2008-03-24 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Deepank Gupta wrote: | Q.1 The main difference between the toolkit and other stand-alone activities | will be its integration with Sugar. All the other activities like Read or | games are run on a use-to-use basis. But, this software will be run at

Re: Automatic transfer/update of activities on the mesh (Was: Sharing behavior in the core Read activity)

2008-03-25 Thread Benjamin M. Schwartz
On Tue, 2008-03-25 at 13:46 -0400, Eben Eliason wrote: Naturally, there are some security concerns, but those could be easily addressed, I believe, with the usual signing mechanisms. Updates to activities would only be transparent if the update was signed, etc. I agree. For a first

Mini-Conference Proposal: Frameworks for Collaboration

2008-03-28 Thread Benjamin M. Schwartz
Title: Frameworks for simultaneous and sequential collaboration Abstract: The OLPC sharing design encompasses two rough classes of sharing. In the simultaneous case, a number of students join a shared Activity and all edit a document together in real time. In the sequential case, students make

Re: Mini-Conference Proposal: Frameworks for Collaboration

2008-03-29 Thread Benjamin M. Schwartz
C. Scott Ananian wrote: | On Sat, Mar 29, 2008 at 1:47 AM, Benjamin M. Schwartz | [EMAIL PROTECTED] wrote: | We will have an open discussion of how to build a framework that will ease the | creation of reliable collaborative activities. I will also outline a proposal | for Collisionless

Re: RSSI value questions

2008-04-01 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ryan Crawford Comeaux wrote: | I'm looking to build an application through Google's Summer of Code for the | school server that uses wireless location detection methods to monitor and | approximate the physical location of all nodes within the mesh. |

Re: Becoming involved in XO software development?

2008-04-01 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Rebecca Janine Wise wrote: | This is a general question. I work with various Non-Profits and have become | interested in developing for the XO. Can anyone recommend a path on how to | become involved in some aspect of the software development side of

Chilling Effects paper at USENIX

2008-04-08 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 A paper called Freezing More Than Bits: Chilling Effects of the OLPC XO Security Model will be presented next Monday at USENIX UPSEC'08 [1]. The author has kindly posted the paper at [2], which I discovered after Google took me to her weblog [3]. It

Re: RPMs and Activity bundles

2008-04-09 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Marco Pesenti Gritti wrote: | It depends on the contents of the rpm. In some cases you would need to | rebuild... | OK, how about instructions starting with a SRPM? - --Ben -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.7 (GNU/Linux) Comment:

Re: Usability testing

2008-04-11 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Carol Lerche wrote: | A good example is the rococco color picking widget. According to my | observation this is very difficult for small children to use, and to learn. Perhaps you would care to look at http://wiki.laptop.org/go/Designs/Toolbars#11

Re: Handling TamTam Resources...

2008-04-15 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Olivier Bélanger wrote: | Is there a way to let all TamTam activities have access to a common | directory? No. Activities are untrusted code. The security design assumes that every Activity is a trojan horse, unless the user specifically requests

Re: Do we ever want to bind more than 8 multicast MAC addresses?

2008-04-17 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ricardo Carrano wrote: | Assuming this is correct, than some questions follow. | - Is 4 a reasonable limit (is the XO capable of more in terms of processing | and memory?) The XO is definitely capable of more, especially for activities like Chat that

Re: Adding mpeg playback

2008-04-18 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Bernie Innocenti wrote: | They asked me if there would be problems for Turkey and I | thaid that while I did not know their IP law, I hear it's | not a problem in many European countries. | | Do you know better? Read this:

Re: Ad-hoc Networking

2008-04-23 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 John Gilmore wrote: | The presence implementation only works on access points and on meshes -- | but not on non-meshed, ad-hoc 802.11. The vast majority of computers | with 802.11 don't have mesh, but they would benefit from being able to | see

Re: Joyride

2008-04-23 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Simon Schampijer wrote: | Chris Ball wrote: | Hi, | | Can anybody suggest a relatively functional Joyride with the new UI | ? I'm at the end of a think pipe, and probably won't have time to | download a second image if the first is

Re: Joyride

2008-04-23 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Benjamin M. Schwartz wrote: | Simon Schampijer wrote: | | Chris Ball wrote: | | Hi, | | | | Can anybody suggest a relatively functional Joyride with the new UI | | ? I'm at the end of a think pipe, and probably won't have time

Re: Ad-hoc Networking

2008-04-23 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 John Gilmore wrote: | The IETF ZeroConf protocols provide for self-assignment of IP | addresses in such a case. (The same thing happens if you plug two | laptops together with a short Ethernet cable and no DHCP server.) | | Does the OLPC Presence

Re: Auto backlight management?

2008-04-24 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jordan Crouse wrote: | On 24/04/08 22:10 -0700, [EMAIL PROTECTED] wrote: | this is the one drawback to the fantasic screen, any light from the | backlight that gets through is colored by the screen. it can be made to | appear white by allowing all

Re: Better anti-aliasing

2008-04-25 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Bert Freudenberg wrote: | One thing that someone (Albert IIRC) proposed was doing a better | filtering job than the DCON does - it uses a simple 5-tap filter which | adds a noticeable amount of blur. It is still vital to do filtering, | otherwise a

Request for Project Hosting: wine-activities

2008-04-25 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 1. Project name : wine-activities 2. Existing website, if any : http://dev.laptop.org/~bemasc/DOSConsole-3.xo 3. One-line description : Turn your Windows application into a Sugar Activity (if it runs in Wine). 4. Longer description

Re: Journal Suggestions

2008-04-29 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Eben Eliason wrote: | In other words, the Journal and the interactions with it are so tied | to the system already, that one would still have to manually copy | pretty much anything one wants onto the SD card or external device | anyway. The only

Re: Acoustic Measure Problem

2008-05-09 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Greg Smith (gregmsmi) wrote: | I ask because there is recent feedback on mesh issues from a teacher at | Lambayeque, Peru http://wiki.laptop.org/go/Lambayeque#Inconvenientes and | a teacher in Uruguay has asked about supported Mesh features too. The |

Re: Acoustic Measure Problem

2008-05-12 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tomeu Vizoso wrote: | On Fri, May 9, 2008 at 5:47 PM, Benjamin M. Schwartz | [EMAIL PROTECTED] wrote: | There is a much larger point here, though. I would love to get more | (any!) feedback from teachers about my code, so I know what's important

Re: [sugar] OLPC priorities for Sugar in the August release

2008-05-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jameson Chema Quinn wrote: | One low-hanging fruit for faster activity start is having activity install | compile .pyc files, with (tiny) extra points if the .pyc gets hints to not | use jffs2 compression. This is on my gameplan with the bundle format

Re: [PATCH] Maintain a metadata copy outside the index (was Re: Datastore backup - request for help)

2008-05-21 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jameson Chema Quinn wrote: | - at startup, if the file datastore_path/.metadata.exported doesn't | exist, check how many objects need to get their metadata exported | (0.8s for 3000 entries) | That's pretty good. | | - in an idle callback, process

Re: XO-2

2008-05-22 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 John Watlington wrote: | On May 22, 2008, at 11:01 AM, C. Scott Ananian wrote: | GPS enables a lot of mapping and geography-related educational | activities, which is why it was originally considered for the XO-1. | It would probably (like the camera)

Re: Bitfrost and dual-boot

2008-05-28 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 What are you trying to prevent? - --Ben -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkg9+cYACgkQUJT6e6HFtqSEywCghEZc2W4v3996TeIDb5VSPoJf

Re: A feature opportunity (was: Autoreinstallation image is not signed.)

2008-06-02 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Robert Myers wrote: | An alternative idea, but it would take 2 XOs and a USB cable. As long as the wifi hardware is working, you don't need a cable. Even if the system won't boot, OFW has a complete wifi network stack. You could implement this as a

Re: Peru Upgrade process.

2008-06-07 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I don't really know enough to comment correctly on this debate, but it sure seems like the much-maligned USB autoreinstallation system meets all the requirements. It is non-interactive, beyond requiring a reboot, and it preserves the user's data by

Re: Games depending on OpenGL and GLX - any way to test on XO with regular OLPC image?

2008-06-08 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Bert Freudenberg wrote: | A 400x300 mode scaled up by 3 to the panel resolution would be | awesome, and should allow nice software rendering. If such a mode | existed, maybe it would even make sense to ship Mesa (a software | OpenGL implementation)

Re: Games depending on OpenGL and GLX - any way to test on XO with regular OLPC image?

2008-06-09 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Daniel Monteiro Basso wrote: | I adapted TinyGL to render to an arbitrary sized framebuffer, later | scaled to fullscreen with the xvideo extension. I currently don't have | time to work on it, but if anyone is interested, I'll send the code. | I can

Re: On Cerebro, Telepathy, yokes and whites (was Re: cerebro in sugar)

2008-06-10 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Polychronis Ypodimatopoulos wrote: | 2) Make provision in both sugar and activities so that there is a clear | abstraction from telepathy so that _if_ a better collaboration stack | comes along, telepathy won't be hardcoded in sugar. This mainly |

Re: On Cerebro, Telepathy, yokes and whites (was Re: cerebro in sugar)

2008-06-10 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Polychronis Ypodimatopoulos wrote: | Benjamin M. Schwartz wrote: | Polychronis Ypodimatopoulos wrote: | | 2) Make provision in both sugar and activities so that there is a clear | | abstraction from telepathy so that _if_ a better collaboration stack

TCP is broken in mesh mode

2008-06-10 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear Networking experts, I have been fighting for several months with the fact that invitations often seem not to work, when running on a serverless mesh. The symptoms are quite strange. If an invitation works once between two laptops, it continues

Re: [OLPC Networking] TCP is broken in mesh mode

2008-06-10 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Trent Lloyd wrote: | 1. A broadcasts an ARP request for B | 2. B sees the ARP request and replies to A | 3. A receives the ARP reply from B and sends a TCP SYN to B | Thus I suspect the issue is the nodes simply have no direct | communication at all

Re: Rainbow problems

2008-06-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 kawk wrote: | I'm having a bit of trouble with Rainbow in one of the activities I'm | writing, FiftyTwo. I've attached the logs that I'm getting, for reference. | | Basically, FiftyTwo worked on build 656, which did not have the Rainbow | security

Re: [Server-devel] Yummy incron

2008-06-24 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Martin Langhoff wrote: | Looking for a (memory, cpu, power) efficient way to trigger | events/scripts on the XS, I came across incrond. It weights ~600KB | according to ps_mem.py, and it looks like the kind of tool we want to | be using. There are a

Re: SuperUser permission for the Driver??

2008-06-26 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Deepak Saxena wrote: | I agree with Paul that we need to have a solution to these | cases iff we want to support running arbitrary software and | hw combinations on the XO. The other option is to limit the | scope of the system to a very specific set

Parallel desktops

2008-06-26 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 There have been periodic suggestions, including some by potential OLPC buyers, that they would be more interested if the project offered a GUI that more closely resembled the environments to which they are accustomed. ~ I strongly disagree with these

Re: Parallel desktops

2008-06-26 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Chris Ball wrote: | Instead of (or as well as) preparing a separate disk image, we could | prepare a Desktop activity which launches an Xfce session and includes | some office tools, the standard NetworkManager applet, a configurable | CUPS

Re: Running regular X11 apps

2008-06-27 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Marco Pesenti Gritti wrote: | On Fri, Jun 27, 2008 at 7:31 AM, Albert Cahalan [EMAIL PROTECTED] wrote: | Can't regular activities just ask to be maximized | and/or ask to be the same size as the screen? | The common Python libraries could do this. | |

Re: Parallel desktops

2008-06-27 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Marco Pesenti Gritti wrote: | Unless I'm missing something, it's just matter of installing gdm and | xfce, and you should be ready to go. | | Oh obviously you also need to change back /etc/X11/prefdm to run gdm. As Marco noted in IRC, the file in

Re: Security for launching from URL

2008-07-07 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Eben Eliason wrote: | I really don't see anything wrong with injecting a modal alert, | displayed by Sugar, into this process if we must. Clicking on an mp3 | in Browse would reveal this alert, and ask for confirmation that the | user wishes to open

Re: Security for launching from URL

2008-07-07 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Eben Eliason wrote: | No, what I've described is precisely /not/ the details view. OK. You want something whose function is the launcher component of the Details view, but whose form is simplified so as not to fill the screen. That's fine. Two

Re: (another) WebKit port of Browse

2008-07-08 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 C. Scott Ananian wrote: | On Tue, Jul 8, 2008 at 1:32 PM, Tomeu Vizoso [EMAIL PROTECTED] wrote: | We could add many more of the missing features to Browse if all the | developers weren't so busy with the rest of Sugar. Also, although most | of the

Re: LZO support

2008-07-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Erik Garrison wrote: | But an alternative is to implement a | partitioning scheme in which user data resides on a LZO-compressed | partition and the system data resides on a zlib-compressed partition. I strongly favor this approach. Regardless of

Re: [sugar] Activity versioning schema

2008-07-14 Thread Benjamin M. Schwartz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jameson Chema Quinn wrote: | It is desirable for Sugar to be able to compare versions and | guess which one is newer. Newer means more recent. If this capability is important to you, then we may simply include a datestamp in each bundle, separate

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