Re: Touch-pad expectations

2011-02-07 Thread Hal Murray
rich...@laptop.org said: > One absolute we know is that the touchpad hates multi-touches. If you have > more than 1 point of contact with the sensor then it will go bonkers. Due > to the button placement below the touchpad this is quite easy to do. Its > trivial to show that double touches t

Integrity checking of firmware

2011-02-07 Thread Sridhar Dhanapalan
Following on from my question about OS images, does the XO check the integrity of a firmware file before writing it? bootfw.zip files can be checked against the CRC, but what about the .rom files? Thanks Sridhar Dhanapalan Technical Manager One Laptop per Child Australia M: +61 425 239 701 E: sr

Re: Integrity checking of OS images

2011-02-07 Thread Sridhar Dhanapalan
On 8 February 2011 08:39, James Cameron wrote: > On Tue, Feb 08, 2011 at 01:01:36AM +1100, Sridhar Dhanapalan wrote: >> Are OS images checked for integrity by the XO before they are written >> to the flash storage? I suspect not. > > As Chris said, yes. > > The image is checked for transmission in

Language support for 11.2.0

2011-02-07 Thread Chris Leonard
Daniel Drake wrote: Hi, Currently we are including the following languages and locales in 11.2.0 official builds: en_US es ar pt pt_BR fr ht mn mr_IN am_ET km_KH ne_NP ur_PK rw ps fa_AF si zh_CN It is important to note that while a deployment-based selection is logical, it is not necessarily

Re: turn off logs?

2011-02-07 Thread Martin Langhoff
On Tue, Feb 8, 2011 at 12:06 AM, James Cameron wrote: > the kernel has the right to convert the write into an > effectively synchronous operation. I am not understanding... can you explain a bit more why it'll turn synchronous? > On XO-1.5, this hurts us badly, because of the > random write perf

Re: turn off logs?

2011-02-07 Thread James Cameron
On Mon, Feb 07, 2011 at 11:18:02PM -0500, Martin Langhoff wrote: > On Mon, Feb 7, 2011 at 7:57 PM, James Cameron wrote: > > Even with the buffered I/O, occasional writes will stall, resulting > > in activity code stall. > > In normal (!debug) mode logs are *tiny*. We have the right tradeoff. No

Re: turn off logs?

2011-02-07 Thread Martin Langhoff
On Mon, Feb 7, 2011 at 7:57 PM, James Cameron wrote: > Even with the buffered I/O, occasional writes will stall, resulting in > activity code stall. In normal (!debug) mode logs are *tiny*. We have the right tradeoff. There may be cases that need tightnening the verbosity -- do post / file bug

Re: turn off logs?

2011-02-07 Thread James Cameron
... and the write I/O is now buffered. Early in the 0.84 cycle it was unbuffered, and this greatly hurt performance. Even with the buffered I/O, occasional writes will stall, resulting in activity code stall. Future redesign might be to pipe the stdout/stderr to the Sugar shell and have it write

Re: turn off logs?

2011-02-07 Thread Martin Langhoff
On Mon, Feb 7, 2011 at 4:32 PM, Sameer Verma wrote: > This came up in another context (SoaS running in read-only mode [1]) In normal operation, they logs are tiny. So generally yes, the tradeoff is worth it: you can report a useful bug. m --  martin.langh...@gmail.com  mar...@laptop.org -- Sof

os-builder: proposed patches

2011-02-07 Thread Martin Langhoff
Two trivial patches - commit msg says it all. [ apologies for the format, next time, git-send-email will work for me ] m --  mar...@laptop.org -- Software Architect - OLPC  - ask interesting questions  - don't get distracted with shiny stuff  - working code first  - http://wiki.laptop.org/go/U

Re: Integrity checking of OS images

2011-02-07 Thread James Cameron
On Tue, Feb 08, 2011 at 01:01:36AM +1100, Sridhar Dhanapalan wrote: > Are OS images checked for integrity by the XO before they are written > to the flash storage? I suspect not. As Chris said, yes. The image is checked for transmission integrity *as* it is written to the flash storage [1], not b

turn off logs?

2011-02-07 Thread Sameer Verma
This came up in another context (SoaS running in read-only mode [1]) but I was wondering if we need to run logs on any activities on the XO 1 and 1.5 given that 1) the storage is solid state, 2) the writing of logs *could* bog down the I/O queue and 3) are we using the logs for anything at all? If

RE: [Health] $30 microscope

2011-02-07 Thread Caryl Bigenho
Hi All... In one of my previous lives, as a science teacher, I taught high school and middle school students the wonders of the world of microscopic things. While a $1 microscope sounds wonderful, it doesn't sound very practical. Attaching the lenses to the camera lens on the XO, as it seem

Re: Proposal for new frozen repositories server

2011-02-07 Thread Daniel Drake
On 7 February 2011 17:23, Michael Stone wrote: > Dan, > > If I recall correctly, the old system was designed with a couple of goals in > mind including: > >  a) to help OLPC meet its GPL obligations to offer source code for the >     binaries it has distributed > >  b) to lessen the risk of schedu

Re: Proposal for new frozen repositories server

2011-02-07 Thread Michael Stone
On Sun, 6 Feb 2011 at 12:29:54 +, Daniel Drake wrote: > Comments welcome. I'm looking to refine the proposal and implement it > within the next few weeks Dan, If I recall correctly, the old system was designed with a couple of goals in mind including: a) to help OLPC meet its GPL obligati

Re: Sugar on arm

2011-02-07 Thread ismael schinca
Thanks for the quick responses!! I know there are new Fedora spins coming soon which I suppose would be more complete since Fedora 12 is relativetely old and ARM is getting quite a lot of attention. I just wanted to try the Fedora ARM experience as it is right now and Sugar if it was possible. I'

Re: Sugar on arm

2011-02-07 Thread Chris Ball
Hi, > Specifically, the xapian-bindings-python package is missing > (apparently sugar-datastore requires it). This package is not > available for ARM architecture. Here's the RPM I built for it for our XO-1.75 builds: http://xs-dev.laptop.org/~dsd/repos/f12-arm-olpc/xapian-bindings-pyth

Re: Sugar on arm

2011-02-07 Thread Peter Robinson
On Mon, Feb 7, 2011 at 4:41 PM, ismael schinca wrote: > Hello everyone. I'm trying to run Fedora 12 on a Beagleboard xm and running > sugar on it. > However, when I try to install the sugar package via yum I get some > dependencies problem. Specifically, the xapian-bindings-python package is > mis

Re: Sugar on arm

2011-02-07 Thread Jon Nettleton
On Mon, Feb 7, 2011 at 8:41 AM, ismael schinca wrote: > Hello everyone. I'm trying to run Fedora 12 on a Beagleboard xm and running > sugar on it. > However, when I try to install the sugar package via yum I get some > dependencies problem. Specifically, the xapian-bindings-python package is > mis

Re: Sugar on arm

2011-02-07 Thread Simon Schampijer
On 02/07/2011 11:41 AM, ismael schinca wrote: > Hello everyone. I'm trying to run Fedora 12 on a Beagleboard xm and running > sugar on it. > > However, when I try to install the sugar package via yum I get some > dependencies problem. Specifically, the xapian-bindings-python package is > missing (a

Re: Sugar on arm

2011-02-07 Thread David Farning
I am forwarding this to Steven Parish, he is working on Sugar on Arm. I think that he is targeting F15 because Fedora is planning on releasing an official ARM spin. I am not sure if he is on this list. david On Mon, Feb 7, 2011 at 11:41 AM, ismael schinca wrote: > Hello everyone. I'm trying to

Sugar on arm

2011-02-07 Thread ismael schinca
Hello everyone. I'm trying to run Fedora 12 on a Beagleboard xm and running sugar on it. However, when I try to install the sugar package via yum I get some dependencies problem. Specifically, the xapian-bindings-python package is missing (apparently sugar-datastore requires it). This package is n

Re: Integrity checking of OS images

2011-02-07 Thread Chris Ball
Hi, > Are OS images checked for integrity by the XO before they are > written to the flash storage? I suspect not. Yes. - Chris. -- Chris Ball One Laptop Per Child ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo

Re: Proposal for new frozen repositories server

2011-02-07 Thread Martin Langhoff
On Mon, Feb 7, 2011 at 5:51 AM, wrote: > there was a discussion on the git mailing list a week or so ago about how to > handle large files, and it appears that you can do a lot with the > clean/smudge filters that can make it store this sort of file in the > filesystem, but in a way that is trans

Integrity checking of OS images

2011-02-07 Thread Sridhar Dhanapalan
Are OS images checked for integrity by the XO before they are written to the flash storage? I suspect not. The schools we deal with don't always have reliable Internet, so some failsafe mechanism to prevent them from using damaged images would be helpful. We can't expect them to learn md5sum to ch

Re: [Health] $30 microscope

2011-02-07 Thread Sridhar Dhanapalan
On a related note, does anyone know if the $1 microscope is being successfully used in the field? http://wiki.laptop.org/go/Microscope On 21 January 2011 10:20, Kevin Gordon wrote: > Folks: > > We've been able to get the Veho USB 400x 1.3Mp/2.0Mp interpolated to work > on  the XO 1 and XO 1.5

Re: Proposal for new frozen repositories server

2011-02-07 Thread david
On Sun, 6 Feb 2011, Martin Langhoff wrote: > On Sun, Feb 6, 2011 at 11:44 AM, Daniel Drake wrote: >> git has a tendency to hang during switches between branches > > git + many large compressed binary files == lots of unhappiness, > pointless abuse of IO. > > You don't save any interesting disk sp

Record activity in 11.2.0 XO-1 os7

2011-02-07 Thread Mikus Grinbergs
Help, please: In testing for http://dev.laptop.org/ticket/10667, how X renders text changes after I run Record-87 on XO-1 os7 -- the font specification in ~/.sugar/default/terminalrc is no longer in effect. I want to manually change how Record-87 caused X text to be rendered. What CLI command do