DEF CON's hostile network

2007-08-01 Thread Albert Cahalan
I'm going to DEF CON (http://www.defcon.org/) this weekend. Anybody else? It's only $100 cash at the door, so no problem if you can get to Las Vegas. This would be a severely noisy and hostile network environment, perfect for trying out some of the activity sharing stuff. Build preferences? I

Re: DEF CON's hostile network

2007-08-01 Thread Albert Cahalan
On 8/1/07, Jim Gettys [EMAIL PROTECTED] wrote: Unless you have B2-1's, I'd recommend most developers be using current development builds, such as 541. I'm fairly sure the B2-1 is exactly what I have. Bug number? How bad? ___ Devel mailing list

Re: Reformat your USB disk prior to upgrades please.

2007-08-07 Thread Albert Cahalan
On 8/7/07, C. Scott Ananian [EMAIL PROTECTED] wrote: On 8/6/07, Albert Cahalan [EMAIL PROTECTED] wrote: Richard A. Smith writes: If you are having trouble with your upgrade please do the following: [...] - Follow the instructions _exactly_. Any deviation from the above and your

Re: accessibilities first tests - many questions

2007-08-19 Thread Albert Cahalan
Guylhem Aznar writes: On 8/18/07, Jordan Crouse jordan.crouse at amd.com wrote: We didn't enable this ability in the sysfs/ interface. I have never been too clear on what the actual practical uses are for something like this, so the control never got added. ... It's just an experiment - I

Re: DejaVu fonts (Was: Ethiopean)

2007-08-23 Thread Albert Cahalan
Bernardo Innocenti writes: It turns out that the DejaVu font has the Ethiopian glyphs, but there's also a simplified font called DejaVuLGC which is what we're shipping on the OLPC. (LGC means Latic,Greek,Cyrillic -- simple left-to-right stuff) This situation is partly because the mere

hosting request

2007-08-26 Thread Albert Cahalan
project's code repository, or push their own. There is no need to list non-committer developers. Username Full name SSH2 key URLE-mail - -- #1 albert Albert Cahalannot on web

trac still dead

2007-09-02 Thread Albert Cahalan
FYI, in case everything is fine at OLPC headquarters, the bug mailing list archives show nothing for this month and I can't file a bug report. Well here: wiki fixed-style text shows up proportional, breaking plenty of things. ___ Devel mailing list

Re: Pippy and Calculate

2007-09-04 Thread Albert Cahalan
Yoshiki Ohshima writes: We have a real problem of shortage of man-power, so replacing smaller activities that take more time to maintain and document with more powerful ones is probably a good thing. What do you think? I think addressing the man-power problem sounds better. Undocumented

Re: Pippy and Calculate - Evolution Solution

2007-09-07 Thread Albert Cahalan
Yoshiki Ohshima writes: Hi, Steve, I am a lurker, but this is an interesting discussion. I am a developer in health applications working with current dev release on a B4. Calculate is impressive; Pippy is impressive. They each serve a purpose which I think fits into an OPLC evolutionist

Re: Marvell

2007-09-10 Thread Albert Cahalan
Edward Cherlin writes: We need the Marvell documentation, and the location of the code OLPC has written on top of the microkernel. (Both easy enough, I assume.) You'd think so, but nobody has coughed this up despite repeated pleas. I can't even get the extra hardware I asked for, which gets to

Re: Performance tuning for the XO

2007-09-22 Thread Albert Cahalan
C. Scott Ananian writes: We make currently make heavy use of hashing in our upgrade verification infrastructure. I'd like to find the fastest possible implementation of the SHA-256 and/or RIPEMD-160 algorithms. If it has to be SHA-256 or RIPEMD-160, I don't think you'll be finding any

XFree86-DGA

2007-09-26 Thread Albert Cahalan
Since low-level video seems to be the topic of the day... Isn't it rather important to support XFree86-DGA? Currently it is scheduled to be disabled on the XO. AFAIK this is needed for the best full-screen performance, especially when double-buffering. Prior to 3D accelerators, all the games

Re: XFree86-DGA

2007-09-26 Thread Albert Cahalan
On 9/26/07, Jordan Crouse [EMAIL PROTECTED] wrote: On 26/09/07 11:56 -0400, Albert Cahalan wrote: Isn't it rather important to support XFree86-DGA? Currently it is scheduled to be disabled on the XO. No - system wide double buffering would not further increase performance over the current

Re: XFree86-DGA

2007-09-27 Thread Albert Cahalan
On 9/26/07, Daniel Monteiro Basso [EMAIL PROTECTED] wrote: Em Qua, 2007-09-26 às 19:29 -0400, Albert Cahalan escreveu: The simple Xlib calls would be: loop{ 1. app writes to inactive private buffer 2. app asks X to copy that buffer to video memory } That's a whole worthless copy

Sugar's fonts

2007-09-28 Thread Albert Cahalan
Bert Freudenberg writes: I wonder if comparative studies have been made with the XO screen? My gut feeling is that it is more comparable to paper-based text books than CRTs. Now Colbert says gut feeling is all you need, but maybe some research is still in order. Let's do it. Everybody with

Re: UI for secure web and email

2007-10-04 Thread Albert Cahalan
On 10/4/07, C. Scott Ananian [EMAIL PROTECTED] wrote: On 10/3/07, Albert Cahalan [EMAIL PROTECTED] wrote: The usual secure site icon and bad certificate warnings have lots of problems. Note that security in the browser has been *extensively* studied in academia, and there are numerous

Re: New manufacturing data flags for keyboards (2nd draft).

2007-10-06 Thread Albert Cahalan
Re: New manufacturing data flags for keyboards (2nd draft). Keyboard Layout KMKL KV Comment USInternational_Keyboard olpc us olpc OLPC_Argentina_Keyboard olpc es olpc(Spanish) OLPC_Brasil_Keyboard olpc br olpc(Portuguese)

Re: New manufacturing data flags for keyboards (2nd draft).

2007-10-07 Thread Albert Cahalan
On 10/7/07, Jim Gettys [EMAIL PROTECTED] wrote: On Sun, 2007-10-07 at 00:35 -0400, Albert Cahalan wrote: It seems like you could just enumerate them, 0 to 12. If key shapes ever change, you can add a flag at that time. An enumeration is ad-hoc, and then you have to maintain a table

keyboard symbols

2007-10-09 Thread Albert Cahalan
I notice that some keyboards lack the multiplication and division symbols. Providing them for all kids would be good, even if they need to move elsewhere. Other useful things found in Unicode: bullet star heart smiley skull-and-crossbones musical flat musical natural musical sharp copyright

Re: keyboard symbols

2007-10-09 Thread Albert Cahalan
On 10/9/07, Mitch Bradley [EMAIL PROTECTED] wrote: Bert Freudenberg wrote: On Oct 9, 2007, at 8:15 , Albert Cahalan wrote: I notice that some keyboards lack the multiplication and division symbols. Providing them for all kids would be good, even if they need to move elsewhere. Why

keyboard layout image license

2007-10-14 Thread Albert Cahalan
I think I'd like to use those images in some software. Mind multi-licensing them under the usual licenses? (LGPLv2 or later at least, plus maybe others like the share-alike Creative Commons licenses and Apache license -- or just public domain to make things simple)

low-memory testing

2007-10-28 Thread Albert Cahalan
Things tend to go bad in low-memory conditions. I'm trying to reproduce bug #4355, which I suspect to be DMA going to the wrong location when memory runs low. (please help) It is common for low-memory conditions to corrupt filesystems and databases. A decent way to cause trouble is the Measure

Re: low-memory testing

2007-10-28 Thread Albert Cahalan
On 10/28/07, Jim Gettys [EMAIL PROTECTED] wrote: Albert, can you please see that there are proper trac entries fro any leaking applications? I made one, #4471, for the activity I am aware of. I'm concerned about worse things, like data corruption. Leaks and mere crashes are nothing in

Re: low-memory testing

2007-10-28 Thread Albert Cahalan
On 10/28/07, Jim Gettys [EMAIL PROTECTED] wrote: To begin with, I'd love to have someone working on a better OOM killer daemon than the default behavior the kernel provides. A fun project for the so inclined. Current OOM score: /proc/*/oom_score Adjustment: /proc/*/oom_adj Adjustments run

Re: Reporting bugs

2007-10-30 Thread Albert Cahalan
Bert Freudenberg writes: I've had comments like this on some of my own reports. These are usually not reproducable, strange things. Having to follow through when this is far from my own area of expertise simply takes time I can't effort. There indeed is lack of interest on the part of the

Re: Compiler optimization for Geode/Floating Point pipeline

2007-10-30 Thread Albert Cahalan
Edward Cherlin writes: I don't know about the internals of current activities in Python, but I know where you can find reams of array code in C, FORTRAN, and other languages in 3D graphics libraries (4 x 4 matrix multiplication especially), multimedia compression and decompression,

Re: Reporting bugs

2007-10-30 Thread Albert Cahalan
On 10/30/07, Jim Gettys [EMAIL PROTECTED] wrote: There is a balance here: I may not be hitting it the balance right. Any report of bugs is goodness; but if trac's signal to noise ratio goes bad, we can't see the forest for the trees. . A reproducible bug is much more valuable to us than ones

Re: Music on the XO

2007-10-30 Thread Albert Cahalan
Mitch Bradley writes: The speakers start rolling off at about 600 Hz and are virtually worthless below 400 Hz. Music activities should thus default to a bassoon. The odd thing about a bassoon is that the fundamental frequency is nearly absent. The ear-brain system fills in this frequency,

Trac needs more memory

2007-10-31 Thread Albert Cahalan
Trac ran out of memory on Nov 1 at 2:16 AM EST. It helpfully suggests that I create a ticket about the problem. :-) Somehow, I don't think that would be a good idea right now! Oops… Trac detected an internal error: MemoryError:

Re: Trac needs more memory

2007-11-01 Thread Albert Cahalan
On 11/1/07, Ivan Krstić [EMAIL PROTECTED] wrote: On Nov 1, 2007, at 2:35 AM, Albert Cahalan wrote: Trac ran out of memory on Nov 1 at 2:16 AM EST. These tend to be transient. Reloading the page immediately usually succeeds. We'll look at fixing the root cause later. It usually fails now

Re: Shutting down fds prior to execvpe in rainbow/inject.py: joyride 247 under Qemu

2007-11-06 Thread Albert Cahalan
Marcus Leech writes: I experimentally put some code just before the execvpe() in inject.py to close FDs = 3 and = 10. I picked 10 out of the air, but I wouldn't expect there to be many open file descriptors at that point. Actually, given the semantics of dup(), you could use it to probe

secure /tmp and /var/tmp

2007-11-07 Thread Albert Cahalan
For ages now, Linux has supported the features required to do fully private (very secure) /tmp and /var/tmp directories. It's time to use these features. First, create a new namespace. As root, do this: clone(NULL,NULL,CLONE_NEWNS,NULL); // use it like fork() Next, bind-mount something

Re: [sugar] providing files to activities

2007-11-07 Thread Albert Cahalan
On 11/7/07, Tomeu Vizoso [EMAIL PROTECTED] wrote: On Wed, 2007-11-07 at 11:59 -0500, Albert Cahalan wrote: I'm hearing that files will be provided to activites as hard links. This is not good. It prevents atomic update via rename. Far better is to provide directories, one per file, so

providing files to activities

2007-11-07 Thread Albert Cahalan
I'm hearing that files will be provided to activites as hard links. This is not good. It prevents atomic update via rename. Far better is to provide directories, one per file, so that updates can be made atomic. While you can't hard link a directory, you can bind mount it. This is essentially the

IPA symbols on the keyboards?

2007-11-07 Thread Albert Cahalan
These are IPA symbols: 0251 0253 0254 0256 0257 0259 025B 0260 0263 0268 0269 0272 027D 0283 0289 028B 0292 0294 0295 I have to wonder about that. Might it be a mistake? Are these really being used by the locals, or are they just being used by linguists to record pronunciation?

Re: [sugar] secure /tmp and /var/tmp

2007-11-07 Thread Albert Cahalan
On 11/7/07, Michael Stone [EMAIL PROTECTED] wrote: On Wed, Nov 07, 2007 at 12:06:21PM -0500, Albert Cahalan wrote: Next, bind-mount something appropriate onto /tmp and /var/tmp. I talked about this with Ivan who requested, at the time, that we continue using the $SAR directories instead

Re: [sugar] secure /tmp and /var/tmp

2007-11-08 Thread Albert Cahalan
On 11/8/07, Ivan Krstić [EMAIL PROTECTED] wrote: On Nov 7, 2007, at 9:09 PM, Albert Cahalan wrote: Using standard directories is not scribbling all over the filesystem! This anti-compatibility attitude needs to stop. It's really hurting OLPC, needlessly making the goals harder

Re: [sugar] secure /tmp and /var/tmp

2007-11-08 Thread Albert Cahalan
On 11/8/07, Marco Pesenti Gritti [EMAIL PROTECTED] wrote: In some cases though it's better to break than to keep a fake compatibility with something which is designed for a different use case. That way the error is explicit and the activity author knows it needs to be fixed. And I agree with

Re: Notes on joyride-258 and 630

2007-11-12 Thread Albert Cahalan
Michael Stone writes: Second, Record appears to be unable to play back sound. It complains of errors trying to write files due to lack of space. I will speculate about the cause: we are now equipping activities with a 1 MB tmpfs. If Record is attempting to put any large data into

Re: Telling time (was: StopWatch activity)

2007-11-14 Thread Albert Cahalan
Bert Freudenberg writes: I question the very assumption that continuously telling the time is even remotely important on a learning machine for kids in elementary school age. Dealing with time is a critical life skill that must be learned. Having a clock is thus very important. Keeping the

Re: Unicode in filenames

2007-11-15 Thread Albert Cahalan
On Nov 15, 2007 11:51 PM, C. Scott Ananian [EMAIL PROTECTED] wrote: On Nov 15, 2007 2:43 PM, Albert Cahalan [EMAIL PROTECTED] wrote: C. Scott Ananian writes: The accepted standard is to use precomposed glyphs. This is compatible with the Linux kernel, with Windows, and with many other

Re: Commodore Emulators

2007-11-18 Thread Albert Cahalan
Ed Montgomery writes: I have found this to be an EXCELLENT commodore machines emulator, which I've run on several linux distros :-) Maybe a fresh new BASIC would be better. It could certainly run much faster than one going through two levels of interpretation. The thought had already crossed

Re: WSJ

2007-11-25 Thread Albert Cahalan
Mike C. Fletcher writes: If we are serious in our goal of educating children, we need to do a few things, and some of this requires a readjustment and a detachment from the question of which hardware goes where. Does the hardware matter? Yes. Standardized hardware means I can count on

Re: WSJ

2007-11-25 Thread Albert Cahalan
Bernardo Innocenti writes: On 11/25/07 18:58, Mike C. Fletcher wrote: * we need to make use on multi-user machines easy, where Sugar is just a desktop manager session that is run just as one would run KDE or Gnome (so that computing lab situations can let children use Sugar's safe,

Re: WSJ

2007-11-26 Thread Albert Cahalan
On Nov 26, 2007 2:47 AM, Edward Cherlin [EMAIL PROTECTED] wrote: On Nov 25, 2007 10:57 PM, Albert Cahalan [EMAIL PROTECTED] wrote: Mike C. Fletcher writes: we need to make use on multi-user machines easy, where Sugar is just a desktop manager session that is run just as one would run

Re: Patent infringement lawsuit against OLPC in Nigeria

2007-11-27 Thread Albert Cahalan
Fascinating... This business is run out of a house just 19 miles from OLPC. 1 Timber Lane, Natick, MA, 01760, USA phone 339-987-9249, fax 508-647-4702 Any guesses why he didn't just file in Massachusetts? I'm thinking that money in the right hands could get you a pre-dated patent or an easy win

Re: [sugar] Royal National Institute for the Blind low-vision fonts now under GPL v3 - use in OLPC?

2007-11-27 Thread Albert Cahalan
Woah, hold on a second... These fonts have terrible coverage. Not even Latin-1 is covered. You get 80 of the 96 characters in the 0x00a0 to 0x00ff range. Furthermore, are the fonts actually good for what is claimed? Remember that they may be optimized for low-res screens without anti-aliasing.

Re: Status of Develop.activity?

2007-12-05 Thread Albert Cahalan
Charles Durrett writes: On Dec 5, 2007 6:37 PM, Jameson Chema Quinn jquinn at cs.oberlin.edu wrote: Starting January 6, I plan to be working 20 hours a week on Develop. Actually I was gonna do tinymail first as Sugar practice. If tinymail is an email client, I'd like to discuss it with you.

Re: Status of Develop.activity?

2007-12-05 Thread Albert Cahalan
On Dec 6, 2007 12:29 AM, C. Scott Ananian [EMAIL PROTECTED] 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

Re: sudo, not su.

2007-12-20 Thread Albert Cahalan
Various people write: yes, having a root password is generaly bad, as it is what most attackers will try first. With olpc being a well-known account, this security-by-obscurity doesn't gain you anything. Yes, I think logging in directly as root is a misfeature that should go away. Most of

Re: DCON improvements...

2007-12-20 Thread Albert Cahalan
David Woodhouse writes: If we should design a next generation of DCON chip, are there any improvements we should make to it? Sure. Bugs #1017 and #1671 could be dealt with. There are some really nasty color artifacts on the display. One must never do any sort of blending operation on

Re: sudo, not su.

2007-12-21 Thread Albert Cahalan
On Dec 21, 2007 1:27 PM, C. Scott Ananian [EMAIL PROTECTED] wrote: I think people misunderstand the core problem: if root does not have a password, then *any activity on the system* can gain root privileges by su'ing to root. This is not a given. Much has to be in place for this to happen. Off

Re: sudo, not su.

2007-12-21 Thread Albert Cahalan
James Cameron writes: It doesn't seem like it would be difficult to write an activity that opens a pty (like Terminal does), issues an su, and thus gives itself elevated privileges. That's why the rest of the activity isolation security model is important. Uncomment line 6 of /etc/pam.d/su

Re: Login as root on 667

2007-12-24 Thread Albert Cahalan
There are two superior alternatives in the bug report now. Please pick one or both. (PAM config or mode 4550, with user olpc in the appropriate group) http://dev.laptop.org/ticket/5537 ___ Devel mailing list Devel@lists.laptop.org

Re: Playing with IDEs

2007-12-24 Thread Albert Cahalan
Jeffrey Kesselman writes: I have an image of eric3 on VMWare emulation attached. (Majorly Jpeg compressed so pardon for the artifacty-ness) It all seems to work fine. It is however kind of cramped, which surprised me given the size of the OLPC's screen. I assume its either treating the

Gen2 pointing device

2007-12-25 Thread Albert Cahalan
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 fails with conductive liquid.

Re: Playing with IDEs

2007-12-25 Thread Albert Cahalan
On Dec 25, 2007 4:21 PM, M. Edward (Ed) Borasky [EMAIL PROTECTED] wrote: What I do think is a good idea is to specify a *minimum* screen size which activities must support. I'd guess 1024x768 is a fair choice at this point in time -- I don't see any reason why activity developers should be

sugarize tool and Tux Paint

2007-12-28 Thread Albert Cahalan
I wrote a tool to make normal X programs to run under sugar. As a demo, it runs a logo program. http://dev.laptop.org/~albert/xlogo-1.xo http://dev.laptop.org/git?p=users/albert/sugarize;a=summary How it works: A launcher program places Sugar's incompatible command arguments into the

Re: [sugar] Sugar UI design and Tux Paint

2008-01-02 Thread Albert Cahalan
On Jan 2, 2008 11:25 AM, Eben Eliason [EMAIL PROTECTED] wrote: Journal integration is an interesting problem. Tux Paint keeps some extra per-image data in extra files. I'm thinking that an export-to-journal button might be most appropriate. There is an explicit keep button in the activity

Re: B2s

2008-01-02 Thread Albert Cahalan
Ian Daniher writes: Has there been any thought to putting B2s up for 'adoption,' giving them to people whose projects require the same wireless chipset or audio hardware, rather than those projects that are more software-oriented? I was just about to start asking along these lines. There is

Re: Kernel configuration options

2008-01-02 Thread Albert Cahalan
[various people] BSD process accounting and auditd support though? BSD process accounting can be very useful for debugging. It is particularly valuable when you have programs being started from weird places, being debugged already, or crossing through stuff like setuid. It doesn't cost much. I

Re: root password

2008-01-02 Thread Albert Cahalan
On Jan 3, 2008 12:15 AM, Bernardo Innocenti [EMAIL PROTECTED] wrote: Albert Cahalan wrote: auth requiredpam_succeed_if.so use_uid user ingroup wheel ... This seems really equivalent to using pam_wheel.so. I thought so to, but testing seems to show that pam_wheel.so will only protect

Re: root password

2008-01-03 Thread Albert Cahalan
On Jan 3, 2008 4:06 AM, Bernardo Innocenti [EMAIL PROTECTED] wrote: Albert Cahalan wrote: I quite like this Press ESC twice for shell solution. Reminds of the FidoNet era, if you're old enough to know what I'm talking about. Merely switching to the console should do the job. Linux provides

Re: Printing et al.

2008-01-04 Thread Albert Cahalan
Peter Krenesky writes: Greg Smith (gregmsmi) wrote: Once the printer is installed you're close but lpr -P fooprinter foodoc.ps will need a path to the file and they may not be comfortable with the prompt. a. Getting comfortable with the prompt is educational. b. That command can be run from

Re: Localization (translation) questions?

2008-01-05 Thread Albert Cahalan
Kent Loobey writes: I am creating an activity for pre-literate children. Two questions come to mind. 1. I will have sound entries that will need to be translated. How do the translators want this to be laid out for them. 2. Since some images may not be meaningful/appropriate universally,

Re: disabling root and olpc passwords

2008-01-12 Thread Albert Cahalan
Carl-Daniel Hailfinger writes: On 13.01.2008 01:45, M. Edward (Ed) Borasky wrote: Typical Linux practice is the following: 1. One *never* allows remote shell login as root -- *ever* -- even behind a firewall. One allows only *one* user in the wheel group to log in to a shell account, and

Re: disabling root and olpc passwords

2008-01-12 Thread Albert Cahalan
Bernardo Innocenti writes: What we're actually doing is just to disable them in the default installation so that malicious activities cannot login as root or olpc and basically own the system. This is NOT needed at all. I wrote and tested an /etc/pam.d/su modification that will prohibit all

Re: Marvell

2008-01-12 Thread Albert Cahalan
Alex Gibson writes: Need internetworking support (mixing of arm and thumb code). Does gcc support that? I won't worry if not though. With a good compiler and good hackers, plain ARM will fit just fine. Alternately, one can easily switch modes by hand. For toolchains there are a few options

Re: Marvell microkernel replacement

2008-01-12 Thread Albert Cahalan
David Woodhouse writes: http://www.csr.com/products/unifirange.htm They claim that that is a 1-chip solution. Is it really? Marvell uses a 2-chip solution. If a 2-chip solution is OK, then one could start with a 1-chip softmac solution and add any arbitrary processor. That CPU could be ARM,

Re: Marvell microkernel replacement

2008-01-13 Thread Albert Cahalan
On Jan 13, 2008 6:42 AM, David Woodhouse [EMAIL PROTECTED] wrote: On Sun, 2008-01-13 at 02:30 -0500, Albert Cahalan wrote: David Woodhouse writes: http://www.csr.com/products/unifirange.htm They claim that that is a 1-chip solution. Is it really? I have no reason to believe otherwise

Re: disabling root and olpc passwords

2008-01-13 Thread Albert Cahalan
Bernardo Innocenti writes: Albert Cahalan wrote: Bernardo Innocenti writes: What we're actually doing is just to disable them in the default installation so that malicious activities cannot login as root or olpc and basically own the system. This is NOT needed at all. I wrote and tested

Re: Violent games on the OLPC Activities page

2008-01-17 Thread Albert Cahalan
Bryan Berry writes: I feel very strongly that violent games should not be associated with OLPC. Albert Cahalan points out that games like Doom can teach geometry and other skills. There are ways to teach those skills w/out involving violence. I work in Nepal, a country recovering from an 11

Re: font size in console

2008-01-17 Thread Albert Cahalan
Michael Stone writes: I assume you're talking about the virtual terminal here; not the Terminal activity. As root, you my try a command like: setfont sun12x22 Many people report that that font is also too small. You can try my 15x30 font, which many people love. It's attached to this

Re: font size in console

2008-01-17 Thread Albert Cahalan
On Jan 17, 2008 11:24 PM, Bernardo Innocenti [EMAIL PROTECTED] wrote: Albert Cahalan wrote: Many people report that that font is also too small. You can try my 15x30 font, which many people love. It's attached to this email. It's already the second time you attach your font. It's only 4

Re: Violent games on the OLPC Activities page

2008-01-18 Thread Albert Cahalan
On Jan 18, 2008 4:06 AM, Antoine van Gelder [EMAIL PROTECTED] wrote: Albert Cahalan wrote: Sorry to hear about your war. Attitudes such as this sir, is the reason that America is viewed by many nations as a belligerent and imperialistic monster. I'm sure you misinterpreted me. Maybe you

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

2008-01-18 Thread Albert Cahalan
On Jan 18, 2008 11:27 PM, Bill Nottingham [EMAIL PROTECTED] wrote: Albert Cahalan ([EMAIL PROTECTED]) said: You can read Hannu's take on the matter in his blog. This entry is particularly informative, but note that the code has since been released under the GPL. http://4front-tech.com

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

2008-01-19 Thread Albert Cahalan
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). It is much more flexible to convey

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

2008-01-20 Thread Albert Cahalan
On Jan 20, 2008 3:27 AM, victor [EMAIL PROTECTED] wrote: What you say does not make any sense to me. The MIDI standard is *one* of many, and in fact the poorest of them all. Besides Csound is probably the most used computer music language with composers of Computer Music and its score an

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

2008-01-21 Thread Albert Cahalan
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 implementation, csound itself. There are no

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

2008-01-21 Thread Albert Cahalan
On Jan 21, 2008 1:31 PM, Antoine van Gelder [EMAIL PROTECTED] wrote: 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

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

2008-01-21 Thread Albert Cahalan
On Jan 21, 2008 10:43 PM, M. Edward (Ed) Borasky [EMAIL PROTECTED] wrote: 1. MIDI is limited but more or less universally spoken. Serious algocompsynth *must* involve support of MIDI. CSound recognized this years ago. I think that means file storage, input, output, etc. The keyboard produces

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

2008-01-22 Thread Albert Cahalan
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 redefine at will, for individual notes. If you

Re: free firmware for 88W8388

2008-01-23 Thread Albert Cahalan
Dan Williams writes: No, you can't. One team reverse engineers the hardware and creates a specifications document, the second team implements (from scratch or from unencumbered FOSS sources) the firmware The only unencumbered FOSS sources are public domain. Creating BSD code from GPL code is

Re: free firmware for 88W8388

2008-01-23 Thread Albert Cahalan
On Jan 23, 2008 6:22 PM, Dan Williams [EMAIL PROTECTED] wrote: On Wed, 2008-01-23 at 21:03 +0100, Rózsás Gödény wrote: I hope you can make options to start with any of the 3 firmwares. Perhaps I wish to try writing a boot1 or boot2. Um, Boot1 is burned into ROM on

Re: How to create a new MIME type for a Sugar activity?

2008-02-09 Thread Albert Cahalan
James Simmons writes: I agree I have no business inventing my own MIME type. Yes you do, and you should ignore the x- disaster. Pick something sane, descriptive but not too generic, and be done with it. (If you use x-, then you **still** face any collision problems and you're expected to

free usb8388.bin

2008-02-14 Thread Albert Cahalan
We have free firmware now: git clone git://dev.laptop.org/users/albert/usb8388 I admit that it has some... bugs. The mesh doesn't work. Power management doesn't work. Heck, it won't send/receive packets and it knows nothing of this USB thing. However, we have a blinkenlight. Ship it! BTW, what

Re: free usb8388.bin

2008-02-14 Thread Albert Cahalan
On Thu, Feb 14, 2008 at 11:24 AM, C. Scott Ananian [EMAIL PROTECTED] wrote: On Thu, Feb 14, 2008 at 3:26 AM, Albert Cahalan [EMAIL PROTECTED] wrote: BTW, what is killing my blinkenlight? I realize that it wouldn't do to hang the boot forever because of some missing firmware features

Re: UI responsiveness

2008-03-24 Thread Albert Cahalan
Mikus Grinbergs writes: ... Performance, or for us, UI responsiveness, the most visible and painful issue being start up time of applications is paramount. I'm impressed by the start up time of the (giant) TuxPaint activity. From the time I click on its icon in the Frame, it takes about

Re: [sugar] Mini-Conference Proposal: Toolbars Tabs (or lack thereof)

2008-03-25 Thread Albert Cahalan
Eben Eliason writes: 1. Toolbar buttons use icons instead of text as an identifier. Beyond the icon, we depend on the content of the toolbar to help define the tab, with a textual name being superfluous. This makes localization easier (well, free) and prevents text from being cut off in due

Sugar\Windows won't ship

2008-04-26 Thread Albert Cahalan
Let's imagine this several ways, and see why it won't happen. First consider what a faithful Sugar\Windows system would be like. a. the familiar Start menu is gone b. regular Windows programs like Word can't run c. OS config GUI stuff is (must be) rewritten from scratch I doubt anybody wants

CIPA done (was: OLPC Project suggestions.)

2008-05-07 Thread Albert Cahalan
Child-safe web filtering on XO Regardless of its merits, CIPA requires it for XO deployments in US schools: Here are the requirements: http://ifea.net/cipa.pdf The easy way out is child ownership. The requirements only apply to computers which are owned by schools and libraries. Probably

Re: CIPA done (was: OLPC Project suggestions.)

2008-05-07 Thread Albert Cahalan
On Wed, May 7, 2008 at 10:04 AM, Joshua N Pritikin [EMAIL PROTECTED] wrote: That is totally half-assed. As a parent, I would be pissed off when I became aware of the quality of such an OLPC web filtering solution. How about if we place a DansGuardian transparent proxy on a public IP

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

2008-05-08 Thread Albert Cahalan
Bernie Innocenti writes: Wow, there are way more than I thought, already. And they missed this one: http://www.one2onemate.com/ This is optimized for teacher thinking. They win. :-( There is a cart, for moving the laptops to and from classrooms. It has shaped holes for the laptops. It

Re: Microsoft

2008-05-15 Thread Albert Cahalan
Seth Woodworth writes: So as a fair practice I think it's clear that no special actions can ethically be made to prevent Windows or any other OS from running on the machine. So a Windows port for the XO isn't something that could have been preventative. Wrong. It's called tit-for-tat,

Re: c preprocessor.

2008-05-16 Thread Albert Cahalan
This is good, not bad. Adding glibc-headers is the proper response. The XO is really really close to having normal and standard tools for software development. ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel

Re: [sugar] Microsoft

2008-05-16 Thread Albert Cahalan
On Fri, May 16, 2008 at 5:28 AM, Edward Cherlin [EMAIL PROTECTED] wrote: On Thu, May 15, 2008 at 6:15 PM, Albert Cahalan [EMAIL PROTECTED] wrote: Just look at the deal. Dual-boot costs $7 extra. Governments will not pay the extra $7 to allow dual-boot. No, Windows costs about $7 extra

Re: XP on OLPC - a contrarian view

2008-05-16 Thread Albert Cahalan
Robert Myers writes: The folks that are buying them, Ministries of Education, governments, charities all have their own agendas. They do not necessarily line up with the agendas of our real customers - children and educators, or our own. If we have to give them some of what they want, so that

Re: XP on OLPC - a contrarian view

2008-05-17 Thread Albert Cahalan
On Sat, May 17, 2008 at 2:24 AM, Sameer Verma [EMAIL PROTECTED] wrote: Albert Cahalan wrote: Watch the video. XP boots fast, What does a fast boot up have to do with the overall usability and productivity of a system? You can always show a boot screen early in the process and say its boots

Re: XP on OLPC - a contrarian view

2008-05-17 Thread Albert Cahalan
On Sat, May 17, 2008 at 4:14 AM, Martin Langhoff [EMAIL PROTECTED] wrote: On Sat, May 17, 2008 at 4:08 PM, Albert Cahalan [EMAIL PROTECTED] wrote: You don't need computers for constructionism. If pushing educational theories of questionable value is your thing, Can we stop beating

Re: XP on OLPC - a contrarian view

2008-05-18 Thread Albert Cahalan
On Sat, May 17, 2008 at 6:28 AM, Martin Langhoff [EMAIL PROTECTED] wrote: On Sat, May 17, 2008 at 9:34 PM, Albert Cahalan [EMAIL PROTECTED] wrote: Reason: it's not at all related to laptop computers Fact: it's not universally valued by teachers This *is* a project pushing the envelope

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