65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Dear devel, Here are the latest results from Cerebro's (http://cerebro.mit.edu) scaling properties. A 65-node testbed was used (703, Q2D14). The NetworkManager had to be disabled in order to stabilize the behavior of each XO's wireless interface. Unfortunately, the difficulty and time

Re: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread James Cameron
On Fri, May 09, 2008 at 03:29:51AM -0400, Polychronis Ypodimatopoulos wrote: Unfortunately, the difficulty and time necessary to manage increasingly more nodes is linear (given that the NetworkManager is disabled ;-), but increases steeply. 1. when I was testing a much smaller mesh last year,

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread david
On Wed, 7 May 2008, Greg DeKoenigsberg wrote: On Tue, 6 May 2008, [EMAIL PROTECTED] wrote: ubuntu takes packages maintaned externally and picks what version of each of those packages to put in the main distro. the versions of these seperate packages are almost entirely independant of each

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

2008-05-09 Thread K. K. Subramaniam
On Thursday 08 May 2008 1:50:59 pm Albert Cahalan wrote: From time to time, you get computer day. It could be a few times a year or once a week. Most likely this is decided by the teacher, who must then try to reserve the computers for the desired day. At the beginning of class, somebody

Re: [Olpc-open] jumpy cursor problem and sugar issue

2008-05-09 Thread Waqas Toor
Hello all, On Fri, May 9, 2008 at 5:44 AM, Bryan Berry [EMAIL PROTECTED] wrote: thanks, will try this out On Thu, 2008-05-08 at 16:01 -0400, Samuel Klein wrote: Advice from the field : try dusting a jumpy touchpad with chalkdust. --SJ, who is looking for a cite... Yes this is a discovery

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Bert Freudenberg
On 09.05.2008, at 09:59, [EMAIL PROTECTED] wrote: On Wed, 7 May 2008, Jim Gettys wrote: On Wed, 2008-05-07 at 09:17 -0400, Greg DeKoenigsberg wrote: On Tue, 6 May 2008, [EMAIL PROTECTED] wrote: ubuntu takes packages maintaned externally and picks what version of each of those packages

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Marco Pesenti Gritti
On Fri, May 9, 2008 at 9:59 AM, [EMAIL PROTECTED] wrote: On Wed, 7 May 2008, Jim Gettys wrote: We must fix this Help greatfully appreciated. It isn't very much work to get there from here. at the moment it doesn't seem as if there's agreement yet that this does need to get fixed.

Re: [Olpc-open] First week at Nepal's Test Schools

2008-05-09 Thread Martin Dengler
On Fri, May 09, 2008 at 08:35:27AM +, Tomeu Vizoso wrote: 2. On-screen volume indicator that shows what level the volume is at when the volume buttons are pressed. Martin Dengler has been kindly offering patches to add something similar to the Frame. Eben, can you comment on

Re: [sugar] An OLPC Development Model

2008-05-09 Thread Marco Pesenti Gritti
On Fri, May 9, 2008 at 3:39 AM, Gary C Martin [EMAIL PROTECTED] wrote: H, sorry, run that past me again. I thought the intention was that the Journal was an integral part of the Sugar UI, and the plan was that the Journal code was going to be integrated to the Sugar Shell for (I think)

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread david
On Fri, 9 May 2008, Bert Freudenberg wrote: On 09.05.2008, at 09:59, [EMAIL PROTECTED] wrote: On Wed, 7 May 2008, Jim Gettys wrote: On Wed, 2008-05-07 at 09:17 -0400, Greg DeKoenigsberg wrote: On Tue, 6 May 2008, [EMAIL PROTECTED] wrote: ubuntu takes packages maintaned externally and

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread david
On Fri, 9 May 2008, Marco Pesenti Gritti wrote: On Fri, May 9, 2008 at 9:59 AM, [EMAIL PROTECTED] wrote: On Wed, 7 May 2008, Jim Gettys wrote: We must fix this Help greatfully appreciated. It isn't very much work to get there from here. at the moment it doesn't seem as if there's

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Marco Pesenti Gritti
On Fri, May 9, 2008 at 11:32 AM, [EMAIL PROTECTED] wrote: what about Sugar software running as well as possible on normal linux boxes? without having to install the full sugar package and run everything under sugar in one window. this doesn't mean that some libraries won't need to be

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Marco Pesenti Gritti
On Fri, May 9, 2008 at 11:35 AM, [EMAIL PROTECTED] wrote: in part the other response to my message that seemed to have the attitude that 'fixing' the problem would reduce Sugar to 'just another WM' rendering it worthless. That's not how I read Greg post but anyway... there have been other

Re: very simple datastore reimplementation

2008-05-09 Thread Tomeu Vizoso
On 5/8/08, Jim Gettys [EMAIL PROTECTED] wrote: On Thu, 2008-05-08 at 20:22 +0200, Marco Pesenti Gritti wrote: On Thu, May 8, 2008 at 4:22 PM, Jim Gettys [EMAIL PROTECTED] wrote: On Thu, 2008-05-08 at 16:06 +0200, Tomeu Vizoso wrote: On 5/8/08, Jim Gettys [EMAIL PROTECTED] wrote:

Re: very simple datastore reimplementation

2008-05-09 Thread Tomeu Vizoso
On 5/8/08, Paul Fox [EMAIL PROTECTED] wrote: i'm afraid i need to ask one of those i feel like i should know the answer questions: what's the relationship between olpcfs, as described in the design (and prototype?) scott sent around last week, and the simplified datastore prototyped by tomeu

Re: very simple datastore reimplementation

2008-05-09 Thread Tomeu Vizoso
On 5/8/08, Jim Gettys [EMAIL PROTECTED] wrote: On Thu, 2008-05-08 at 16:06 +0200, Tomeu Vizoso wrote: On 5/8/08, Jim Gettys [EMAIL PROTECTED] wrote: On Thu, 2008-05-08 at 13:09 +, Tomeu Vizoso wrote: I'm having trouble understanding what you are requesting and what could be

olpcfs next steps (was very simple datastore reimplementation)

2008-05-09 Thread Tomeu Vizoso
On 5/8/08, C. Scott Ananian [EMAIL PROTECTED] wrote: On Thu, May 8, 2008 at 3:11 PM, Marco Pesenti Gritti [EMAIL PROTECTED] wrote: On Thu, May 8, 2008 at 8:43 PM, C. Scott Ananian [EMAIL PROTECTED] wrote: Again, in the olpcfs design we provide a vfat-like metadata structure (mounted

Re: An OLPC Development Model

2008-05-09 Thread Morgan Collett
On Fri, May 9, 2008 at 3:54 AM, Mikus Grinbergs [EMAIL PROTECTED] wrote: I believe TWO sets of Activities need to be made available to users who are not schoolkids linked to a school server. One set I'll call 'stable Activities' - they are packaged in Activity Packs such as the ones for

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Bert Freudenberg
On 09.05.2008, at 09:56, [EMAIL PROTECTED] wrote: which is why I fail to see the big point of Sugar. [...] a perfect example was the suggeation to make the sugarized activities use a standard file picker call so that it could go to the journal on the XO machine, or to a normal file

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Tomeu Vizoso
On 5/9/08, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: On Wed, 7 May 2008, Greg DeKoenigsberg wrote: On Tue, 6 May 2008, [EMAIL PROTECTED] wrote: ubuntu takes packages maintaned externally and picks what version of each of those packages to put in the main distro. the versions of these

RE: Devel Digest, Vol 27, Issue 59

2008-05-09 Thread Greg Smith (gregmsmi)
Hi Polychronis, Thanks for sharing the results. Did you use a wireless AP or active antenna? If you can include a few details on that it will help. Can you also include the XO build # and XS build and config if relevant? Would you say that this test passed? That is, can we recommend that schools

Mesh Control Traffic Announcement

2008-05-09 Thread Arina Rudakova
Hello, everybody. I would like to work on mesh networking with regard to control traffic managing in large networks. Could you give me some info about setting up my own project or joining to an existing one (if there is any). Looking forward to your reply. Arina Rudakova.

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Bobby Powers
On Fri, May 9, 2008 at 11:37 AM, Marco Pesenti Gritti [EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 11:32 AM, [EMAIL PROTECTED] wrote: what about Sugar software running as well as possible on normal linux boxes? without having to install the full sugar package and run everything under

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Morgan Collett
2008/5/9 Bobby Powers [EMAIL PROTECTED]: As for the sharing stuff, I know you can download and use the telepathy libs, but would you also need a presence service running? Could this be automatically started when an app wants to collaborate, or is it something that would have to be running in

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Marco Pesenti Gritti
Bobby Powers wrote: On Fri, May 9, 2008 at 11:37 AM, Marco Pesenti Gritti [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 11:32 AM, [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: what about Sugar software running as well as possible on normal

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Jim Gettys
On Fri, 2008-05-09 at 15:30 +0200, Bobby Powers wrote: The way I see it it is somewhat of a two way street. Personally, if I'm going to run Sugar apps in Gnome I would prefer them to integrate nicely with my other apps, just as I would prefer apps running in Sugar to be 'sugary'.

Re: very simple datastore reimplementation

2008-05-09 Thread Jim Gettys
FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a datastore is already on a removable device in your pocket, and you need to access something on a foreign system, you are stuck unless there is some minimal level of human interpretability of the

Re: very simple datastore reimplementation

2008-05-09 Thread Jim Gettys
On Fri, 2008-05-09 at 11:42 +0200, Tomeu Vizoso wrote: If we internally store deltas, some kind of magic will need to happen so the user can access other than the last version. Last version is by far the most common thing people want to access on a casual basis

Re: Broken Touchpads, MouseKeys, and xkb-ctrls-mk_max_speed.

2008-05-09 Thread Michael Stone
On Fri, May 09, 2008 at 08:05:51AM -0400, Paul Fox wrote: We can use Xkb/AccessX's MouseKeys accessibility feature to provide an easy work-around for many of our touchpad problems. MouseKeys is easy to hi michael -- nice work. have you seen this thread on olpcnews?

RE: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Marcus Leech
The following graph is the cumulative distribution function. It shows that, on average, each XO has received about 95% of the profiles of the rest of the nodes within just 20 seconds. This performance boost is due to the fact that each XO queried for its profile, responds by broadcasting the

Re: very simple datastore reimplementation

2008-05-09 Thread Eben Eliason
On Fri, May 9, 2008 at 10:15 AM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a datastore is already on a removable device in your pocket, and you need to access something on a foreign system, you are

Re: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Morgan Collett
Hi Greg A couple of points in clarification... On Fri, May 9, 2008 at 3:01 PM, Greg Smith (gregmsmi) [EMAIL PROTECTED] wrote: Hi Polychronis, Thanks for sharing the results. Did you use a wireless AP or active antenna? If you can include a few details on that it will help. Can you also

RE: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Greg Smith (gregmsmi)
Hi Morgan, Got it, thanks! Let me know if we have a chance to comment on the design of future tests to help align them with user requirements. I want to find a few basic cases which we can support now (e.g. 10 or less Xos is a good start) and help position the timing and details of use cases

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

2008-05-09 Thread Eben Eliason
On Fri, May 9, 2008 at 4:09 AM, K. K. Subramaniam [EMAIL PROTECTED] wrote: On Thursday 08 May 2008 1:50:59 pm Albert Cahalan wrote: From time to time, you get computer day. It could be a few times a year or once a week. Most likely this is decided by the teacher, who must then try to reserve

Re: very simple datastore reimplementation

2008-05-09 Thread Tomeu Vizoso
On Fri, May 9, 2008 at 2:15 PM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a datastore is already on a removable device in your pocket, and you need to access something on a foreign system, you are

Re: very simple datastore reimplementation

2008-05-09 Thread Tomeu Vizoso
On Fri, May 9, 2008 at 3:00 PM, Eben Eliason [EMAIL PROTECTED] wrote: I guess the case that worries me here, though, is backup. I'm not sure it's prudent to decompress and recompress with each backup and restore... Can you explain what worries you regarding backups? Thanks, Tomeu

Re: very simple datastore reimplementation

2008-05-09 Thread Bert Freudenberg
On 09.05.2008, at 18:11, Tomeu Vizoso wrote: On Fri, May 9, 2008 at 2:15 PM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a datastore is already on a removable device in your pocket, and you need

Re: very simple datastore reimplementation

2008-05-09 Thread Tomeu Vizoso
On Fri, May 9, 2008 at 4:19 PM, Bert Freudenberg [EMAIL PROTECTED] wrote: On 09.05.2008, at 18:11, Tomeu Vizoso wrote: On Fri, May 9, 2008 at 2:15 PM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a

Re: very simple datastore reimplementation

2008-05-09 Thread C. Scott Ananian
On Thu, May 8, 2008 at 2:43 PM, C. Scott Ananian [EMAIL PROTECTED] wrote: Again, in the olpcfs design we provide a vfat-like metadata structure (mounted via FUSE) so that the filesystem on the USB key appears to the journal code just like the flash does. No FUSE is necessary to see the files

Re: very simple datastore reimplementation

2008-05-09 Thread Marco Pesenti Gritti
On Fri, May 9, 2008 at 6:11 PM, Tomeu Vizoso [EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 2:15 PM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a datastore is already on a removable device in your

Re: very simple datastore reimplementation

2008-05-09 Thread Bob Hampton
As an external developer/observer - I would like to see the SD supported as an extension of DS space, whereas USB should definitely be considered removable (seeing as how I can't close the lid with them in :-). That some might want SD to be removable would make that an optioned behavior, but

Re: very simple datastore reimplementation

2008-05-09 Thread Jameson Chema Quinn
I think expanding the space available to the DS through usb devices or sd cards is a use case we should take in consideration when designing the DS, even if we don't plan to support it right now. Marco To be more clear about this use case: I think that there should definitely be a way for

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread david
On Fri, 9 May 2008, Marco Pesenti Gritti wrote: Bobby Powers wrote: On Fri, May 9, 2008 at 11:37 AM, Marco Pesenti Gritti [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 11:32 AM, [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: what about Sugar

Re: very simple datastore reimplementation

2008-05-09 Thread Joshua N Pritikin
On Fri, May 09, 2008 at 12:10:07PM -0600, Jameson Chema Quinn wrote: To be more clear about this use case: I think that there should definitely be a way for the onboard datastore to store the metadata for an absent file, with hints about what place(s) to find that file (networked backup, sd

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread david
On Fri, 9 May 2008, Bert Freudenberg wrote: On 09.05.2008, at 09:56, [EMAIL PROTECTED] wrote: which is why I fail to see the big point of Sugar. [...] a perfect example was the suggeation to make the sugarized activities use a standard file picker call so that it could go to the journal on

Re: very simple datastore reimplementation

2008-05-09 Thread Eben Eliason
On Fri, May 9, 2008 at 1:34 PM, Marco Pesenti Gritti [EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 6:11 PM, Tomeu Vizoso [EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 2:15 PM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit

Re: very simple datastore reimplementation

2008-05-09 Thread Eben Eliason
On Fri, May 9, 2008 at 2:26 PM, Joshua N Pritikin [EMAIL PROTECTED] wrote: On Fri, May 09, 2008 at 12:10:07PM -0600, Jameson Chema Quinn wrote: To be more clear about this use case: I think that there should definitely be a way for the onboard datastore to store the metadata for an absent file,

Re: very simple datastore reimplementation

2008-05-09 Thread david
On Fri, 9 May 2008, Eben Eliason wrote: On Fri, May 9, 2008 at 10:15 AM, Jim Gettys [EMAIL PROTECTED] wrote: FUSE is great, but... It means interoperability must be an explicit planned-in-advance action: if a datastore is already on a removable device in your pocket, and you need to access

Re: very simple datastore reimplementation

2008-05-09 Thread C. Scott Ananian
On Fri, May 9, 2008 at 2:26 PM, Joshua N Pritikin [EMAIL PROTECTED] wrote: On Fri, May 09, 2008 at 12:10:07PM -0600, Jameson Chema Quinn wrote: To be more clear about this use case: I think that there should definitely be a way for the onboard datastore to store the metadata for an absent file,

New faster build 1935

2008-05-09 Thread Build Announcer v2
http://xs-dev.laptop.org/~cscott/olpc/streams/faster/build1935 Changes in build 1935 from build: 1932 Size delta: 0.00M -cups-libs 1:1.2.12-10.fc7 +cups-libs 1:1.2.12-11.fc7 -- This mail was automatically generated See http://dev.laptop.org/~rwh/announcer/faster-pkgs.html for aggregate

Re: very simple datastore reimplementation

2008-05-09 Thread Carol Lerche
The notion of keeping track of off-line copies in an online journal is not new. In the olden days of small disks, many archival systems existed that put old files onto archive tapes.They did keep track of the location of the archived file, and some of them prompted the operator (yes, I am

Re: CIPA done

2008-05-09 Thread [EMAIL PROTECTED]
Martin et al, Not a lawyer... but I know law and I have studied the issue of law and filtering of the public information and I gave consulting to many congressmen that were the ones that establish the peruvian laws about what children can see and cannot see (I will not get in the debate about

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

2008-05-09 Thread K. K. Subramaniam
On Friday 09 May 2008 9:33:26 pm Eben Eliason wrote: Even if you were to provide an computer exclusively to each child, they are unlikely to be in use all day long. Programmers in IT companies may spend their whole day before a computer, but children do have a life beyond the keyboard :-).

Re: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Michael Stone wrote: Data Questions: * Are the measurements used to make the display of 'distributions of profile arrival rate vs. time' produced from timestamps of profile arrival as recorded by all the laptops or by some smaller set of 'sentinels'? All XOs got synced clocks (by

Re: CIPA done

2008-05-09 Thread [EMAIL PROTECTED]
Hello John and all, Tip 1: Due to one of my previous works I have been able to check the log of huge servers here in Peru. I was looking for technical reasons for some weird behaviour on a small network. Then, suddenly, I realize that the word sex and sex related websites were all over the

RE: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Bill Mccormick
Hey Pol, what format is the data in, is this pcap? Bill -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Polychronis Ypodimatopoulos Sent: Friday, May 09, 2008 3:35 PM To: Michael Stone; OLPC Development Subject: Re: [sugar] 65-node simple mesh test

Re: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Bill Mccormick wrote: Hey Pol, what format is the data in, is this pcap? yes, it's libpcap. Saved from wireshark. I just tested the file and successfully loaded in wireshark ;-) Pol The raw capture is here: http://lyme.media.mit.edu/cerebro/capture-1

RE: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Hi Greg, Greg Smith (gregmsmi) wrote: Thanks for sharing the results. Did you use a wireless AP or active antenna? No access points or active antennas were involved. This is a simple mesh network test. If you can include a few details on that it will help. Can you also include the XO

RE: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Bill Mccormick
It does look like the NM code will select APs over mesh... I bet this plays havoc with IP changing between link local addresses and DHCP addresses. Did you expect over half of the packets in your data file to be broadcasts? Specifically 11754 out of 21587 packets were sent to the broadcast

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

2008-05-09 Thread Stephen John Smoogen
On Fri, May 9, 2008 at 1:23 PM, K. K. Subramaniam [EMAIL PROTECTED] wrote: On Friday 09 May 2008 9:33:26 pm Eben Eliason wrote: Even if you were to provide an computer exclusively to each child, they are unlikely to be in use all day long. Programmers in IT companies may spend their whole

Re: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread C. Scott Ananian
On Fri, May 9, 2008 at 10:57 AM, Marcus Leech [EMAIL PROTECTED] wrote: I'd be *very* interested to compare the distribution on a wired network. It seems to me that given the broadcast model, everybody should see everybody else in much shorter time than the 55 seconds shown in the outlying

Re: [Its.an.education.project] An OLPC Development Model

2008-05-09 Thread Greg DeKoenigsberg
On Fri, 9 May 2008, [EMAIL PROTECTED] wrote: On Fri, 9 May 2008, Bert Freudenberg wrote: On 09.05.2008, at 09:56, [EMAIL PROTECTED] wrote: which is why I fail to see the big point of Sugar. [...] a perfect example was the suggeation to make the sugarized activities use a standard file

RE: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Bill Mccormick
Pol, I forgot to ask, do you have a tool that parses the messsages and counts up etc.? Wireshark only parses the 1st mac header. Bill -Original Message- From: Mccormick, Bill (CAR:CTO2) Sent: Friday, May 09, 2008 4:31 PM To: 'Polychronis Ypodimatopoulos'; 'Michael Stone'; 'OLPC

Re: An OLPC Development Model

2008-05-09 Thread Mikus Grinbergs
*But* I also think it should be possible to run a Sugar activity on a standard desktop and a desktop application in the Sugar shell. Integration is great and we should encourage it, but we can't assume it will always happen. And in the cases it doesn't happen, not-integrated is better than

Re: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Bill Mccormick wrote: Pol, I forgot to ask, do you have a tool that parses the messsages and counts up etc.? Wireshark only parses the 1st mac header. Heh, you 're putting your finger on the wound now! The main reason I did not attempt a wireshark plugin for Cerebro yet is because I

Re: [sugar] 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Bill Mccormick wrote: It does look like the NM code will select APs over mesh... I bet this plays havoc with IP changing between link local addresses and DHCP addresses. This is partly because of the scalability limitations of the existing collaboration model in a simple mesh. However,

Re: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
On Fri, May 9, 2008 at 10:57 AM, Marcus Leech [EMAIL PROTECTED] wrote: I'd be *very* interested to compare the distribution on a wired network. It seems to me that given the broadcast model, everybody should see everybody else in much shorter time than the 55 seconds shown in the outlying

Re: An OLPC Development Model

2008-05-09 Thread Bert Freudenberg
On 09.05.2008, at 20:31, [EMAIL PROTECTED] wrote: Bert, if you try and say that the entire world is wrong in how it writes software, Actually, that's exactly what I think, and entire world includes yours truly ;) But this isn't the place to talk about that (if you're curious, visit

Re: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread C. Scott Ananian
On Fri, May 9, 2008 at 6:04 PM, Polychronis Ypodimatopoulos [EMAIL PROTECTED] wrote: On a wireless network, broadcasts are successfully received with much lower probability. RF is mysterious and magical, and all sorts of connection asymmetries, near-field effects, and radiation lobe patterns

Thin firmware + driver first development release

2008-05-09 Thread Javier Cardona
Hi, We are happy to announce the first development release of the wireless firmware + driver compatible with the kernel's mac80211 stack. This is a first step towards supporting a soft Access Point (hostap) on the xo, a project in which are actively working. The release is made of the following

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

2008-05-09 Thread Samuel Klein
On Fri, May 9, 2008 at 4:36 PM, Stephen John Smoogen [EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 1:23 PM, K. K. Subramaniam [EMAIL PROTECTED] wrote: On Friday 09 May 2008 9:33:26 pm Eben Eliason wrote: Even if you were to provide an computer exclusively to each child, they are

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

2008-05-09 Thread Jim Gettys
1:1 is really *very* important, for many reasons, not the least of which is the following: If a teacher cannot *rely* on a child having access to a computer for teaching their class and/or homework, you are, in essence, asking them to greatly *increase* their work-load, by having to prepare two

Re: An OLPC Development Model

2008-05-09 Thread Carl-Daniel Hailfinger
On 10.05.2008 00:13, Bert Freudenberg wrote: On 09.05.2008, at 20:31, [EMAIL PROTECTED] wrote: Bert, if you try and say that the entire world is wrong in how it writes software, Actually, that's exactly what I think, and entire world includes yours truly ;) But this isn't

RE: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Marcus Leech
Marcus, this is indeed an interesting idea. However it has a significant problem: wiring up more than 60 XOs onto a switch requires equipment, time and space that OLPC cannot presently provide. Such a testbed though is absolutely necessary not only as a proof of concept for your suggestion,

Re: very simple datastore reimplementation

2008-05-09 Thread Jameson Chema Quinn
On Fri, May 9, 2008 at 6:43 PM, C. Scott Ananian [EMAIL PROTECTED] wrote: On Fri, May 9, 2008 at 2:26 PM, Joshua N Pritikin [EMAIL PROTECTED] wrote: On Fri, May 09, 2008 at 12:10:07PM -0600, Jameson Chema Quinn wrote: To be more clear about this use case: I think that there should

Re: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Robert Withrow
Polychronis Ypodimatopoulos wrote: wiring up more than 60 XOs onto a switch requires equipment, time and space that OLPC cannot presently provide. Such a testbed though is absolutely necessary not only as a proof of concept for your suggestion, but also for doing large scale mesh network

Re: Thin firmware + driver first development release

2008-05-09 Thread David Woodhouse
On Fri, 2008-05-09 at 16:06 -0700, Javier Cardona wrote: Hi, We are happy to announce the first development release of the wireless firmware + driver compatible with the kernel's mac80211 stack. This is a first step towards supporting a soft Access Point (hostap) on the xo, a project in

Re: Thin firmware + driver first development release

2008-05-09 Thread Javier Cardona
David, On Fri, May 9, 2008 at 8:05 PM, David Woodhouse [EMAIL PROTECTED] wrote: Excellent; thanks. Were you planning to make the API for this 'thin firmware' compatible with the 'thin firmware' on other devices? Other Marvell devices, yes, to whatever extent we can. Should the folks working

Re: 65-node simple mesh test (and counting... ;-)

2008-05-09 Thread Polychronis Ypodimatopoulos
Quoting Robert Withrow [EMAIL PROTECTED]: As you may know, but for the others also: Nortel is working to set up a 100 node test network of this nature (each node wired through switches with some test director automation) in a RF clean environment in a Lab in Ottawa and Marcus is one of the

Re: very simple datastore reimplementation

2008-05-09 Thread Jameson Chema Quinn
-If UID can hide in the metadata, which, if I understand, is preserved as part of the file even on foreign (unix-only?) filesystems (wow!), I do not see any compelling reason for it to be in the filename. Locally-stored files could have their real filenames, with 2 random characters at a time

[PATCH stable] Separate multicast configuration for mesh and wlan interfaces.

2008-05-09 Thread javier
Each device maintains its own list of bound multicast addresses. Those lists are merged and purged from duplicate addresses before being sent to firmware. The maximum number of multicast addresses per virtual device has been cut in half to ensure that the merged list can be accommodated by the

New network scripts/tools for testing

2008-05-09 Thread Giannis Galanis
The past couple of weeks I have been working on developing several Network testing scripts, that make testing a more pleasant experience! The scripts collect and display information about the network configuration, telepathies and their status, the neighbor XOs and the forwarding tables For

Re: CIPA done

2008-05-09 Thread Hal Murray
b) The filtering software MUST be installed on each computer (not in a proxy or any other intermediary device). Article 2 (El cumplimiento de esta obligacion se hace efectivo mediante la instalaciĆ³n, en todas las computadoras, de programas o software especiales de filtro y bloqueo...)

Re: CIPA done

2008-05-09 Thread Edward Cherlin
On Thu, May 8, 2008 at 4:58 PM, Martin Dengler [EMAIL PROTECTED] wrote: On Thu, May 08, 2008 at 04:06:03PM -0700, Edward Cherlin wrote: [. . .] It is sufficient if we clearly obey the law, and don't seek to go beyond it. Any lawyers around? go beyond implies interpret -- the only safe

Re: CIPA done

2008-05-09 Thread [EMAIL PROTECTED]
I don't know why Hal... that was not one of my suggestions to the law. Been in the law is not a guarantee that is related to justice or related to technical stuff. Be totally sure that the kids will disable the filters by themselves... (go kids! :-) ) but the problem is the same: we need

Re: [Server-devel] Server-devel Digest, Vol 13, Issue 14

2008-05-09 Thread jtut
I will be out of the country returning on May 23rd and will not have access to e-mail. For assistance please contact Dodie Butler, [EMAIL PROTECTED] or call our office at 214-432-0914. ___ Server-devel mailing list Server-devel@lists.laptop.org