e snapshot based approach has headaches, but the one huge advantage that
it does have is the ability to do the upgrade no matter what the condition
of the old system image is (including the possibility that the system
image is corrupt)
David Lang
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continue to be, the case where the laptops are running a standard image
with no additional packages (note that this 'standard image' may be
defined by the country, not OLPC, and therefor may contain some packages
not in the OLPC image). it's onl
/yum (my main work is on apt based systems), so I don't
know exactly what the terms are for the main repository, but it would need
to provide the rpms and host the index of what's what so that the systems
that query it would learn what packages are availabe,
zing the laptop (other then by installing activities).
those who think that this should be happening see an obvious need for
package-based tools, those who think that this should not be happening
(that the customizations are at the country level or so) see much less of
a need to drop down to the package level for OS management.
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it that you are trying to see on the mesh network?
ifconfig works for normal networking over the wireless, but if you are
trying to look at mesh specific things I think there are other tools that
you need to get involved with.
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d then like to see someone maintain another base-level distro that
can run on the OLPC, but not be based on Sugar so that people who want a
normal distro can use one, and also so that various performance and
usability issues can be identified as being caused by the software vs
being caused by the lim
On Mon, 30 Jun 2008, Martin Langhoff wrote:
> On Mon, Jun 30, 2008 at 9:03 PM, <[EMAIL PROTECTED]> wrote:
>> what I would really like to see is for OLPC to not just release the
>
> (note: I think what you are asking for is available)
I thought that it might me.
> ...
>> I would then like to see
t a software version of opengl. either position is reasonable (no
opengl+ no mesa or mesa with slow opengl support), but right now it's a
contradiction (mesa installed and eating up resources, but instructions to
not use it for anything)
David Lang
nt it.
what about using client certs, but then null encryption after that? it's a
non-standard config, but that's just a config option, not code changes.
David Lang
> Now, anyone who wants to have a strong say on how I am developing this
> is free to start implementing it ahead of m
ge said, he may want to
> switch between pages. What are the alternatives to tabbed browsing?
multiple screens of browsing (currently only available by running multiple
copies of browse, with the associated memory useage)
David Lang
> [To me, it is more logical to select a tab created under
(the better implementations have the
ability to require that you enter your password and the callcenter person
doesn't have any way of seeing it)
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the colors disappear and all that's left is the contrast.
David Lang
> -walter
>
> On Mon, Jul 14, 2008 at 3:13 AM, Hal Murray <[EMAIL PROTECTED]> wrote:
>>
>>> In case it helps, I am quite colorblind (I mix up anything that CAN be
>>> mixed up...) and I h
things in the journal that can be nuked, becouse they
can either be re-created (any cached web pages), or are just a record of
what was done (terminal activities for example), but don't delete anything
of the students without getting confirmation of what to delete first.
David Lan
have been several different proposals, but until one of them is selected
there isn't going to be much work done on any of them.
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rs end
up needing to tweak the system. not having to switch out of X to do it can
be handy (this matters a bit less then usual currently due to forcing
everything to be full screen)
David Lang
> -walter
>
> On Thu, Jul 31, 2008 at 9:38 PM, Michael Stone <[EMAIL PROTECTED]> wrote:
now any tricks to correct that?
>
> 2) Often the olpc related scripts I'd be trying to use would have some
> hooks into X, and other environment variables. Without a lot of env
> hacking/guessing they would just bomb out in console.
numerous 'special keys' don't work
and enter the command to get a developer key by switching
back and forth from Sugar (where browse is displaying it) to the console
(where you need to type it)
David Lang
> The idea was to understand what limits we'd face
> using the console for root access instead of a special terminal
ne
4. How do build numbers, stable/joyride, relate to OS versions?
they don't directly.
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with you), but they didn't and this
is one of the things that can happen.
there is also information outside of this e-mail about what's going on
here. LWN has information up at http://lwn.net/Articles/295134/
your initial observation that this
included a bunch
of extra functionality if you are root.
for example dbus may find a bunch more things that you can do if you are
root.
it would probably be worthwhile narrowing down which module(s) increase
their size if you are root.
David Lang
>
> Nothing specific to cerebro up to t
server when printing should make this strategy
very attractive.
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;s possible to setup a fairly
complicated proxy setup where you use different proxies to get to
different destinations (google for proxy.pac) it's possible to write that
logic in a way that requires DNS lookups, I don't know if it's possible to
write it in a way
any different networks, with proxies, but not routing between the
networks. nowdays I just either use IP addresses or make sure that every
system/proxy in the path can resolve the name.
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On Wed, 3 Sep 2008, Christoph Derndorfer wrote:
Anyone here motivated to turn Chrome into an activity?
don't we need to wait until they have a linux version out? my
understanding is that the current release is windows only.
David Lang___
oth at the same time? just use whichever responds
first. it's not likely that you will have the AP and a school server in
range at the same time.
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formance
difference compared to ram such that you wouldn't want it in any case?
either way, the profiling it does of which pages are used (and how much)
could be useful in figuring out what binaries should be stored
uncompressed.
David Lang
___
s an article in there about managing large numbers
of APs to give optimal coverage in very dense environments
http://usenix.org/publications/login/2008-08/pdfs/murty.pdf
David Lang
> This also assumes that the APs, that the large schools have
> purchased, support WSD correctly.
>
>
; is usually somewhere hidden in the menu. In some cases the close
> button may not be accessible at all (eg: a rogue popup in firefox
> which somehow circumvents the popup blocker and disables the menubar).
> Note that this is a problem with the existing Firefox activity as
>
activity that's
supported, even if all that the 'activity' consists of is a web page that
shows what the activity is and has a link to download it (useful for
activities that are otherwise too large or not appropriate for all ages)
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a couple of days (especially over
the weekend) it may not be possible to get keys for people who don't
already have them.
many people who would be good testers don't consider themselves
'developers' so would not get them on their own.
David Lang
On Sun, 28 Sep 2008, Carol Lerche wrote:
Why not call it a "tester's key"? It is principally useful for testing
late-breaking versions.
tester key or experimenter key would be better (although experimenter key
may have implications that make it sound too attractive)
Davi
'typical' users are, but rather the
fact that the name can imply who 'should' be using it.
it may be best to just name it 'security bypass' key and then explain why
developers and testers may want to bypass security on their systems.
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n't need modules to boot, why do you need initrd? you should be
able to just do everything from the main partition.
neither of these require any changes to the Fedora stuff (I do this on
every system that I run, have done so with many different distros, an
of them at boot time (if there are no USB devices plugged in)
>
> As mentioned, our wireless module is on an internal USB port. To what extent
> does that complicate the situation?
it shouldn't.
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ter in the boot sequence
the default distro initrd images do a _lot_ of stuff that takes a
significant amount of time, but since the OLPC initrd is doing completely
different stuff it should not have the same problem, but that goes back to
'make it do as little as possible'
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stuff
in a filesystem image on your real filesystem (accessed via a loop mount
type of thing), similar code to what grub uses to find files on the system
could find the security filesystem. this would be more complicated then a
seperate partition, but has the advantage that you only loose the space
that you need for the security stuff.
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takes to do the hash calculation for
> security checking. That costs a couple of seconds. Ivan and I worked
> pretty hard to minimize that time, choosing one of the faster hash
> functions.
can you do the hash as you copy it? it should be pretty close to free at
that
ng to my measurements the GeodeLX can fetch a new cache line (32
> bytes) every 20-25 clocks.
> Unless you can do the hash <2 clocks/byte then you will only earn the looping
> time (assuming that the hashed blocks fit into the L1 cache).
is that spee
uding
the initial filesystem and the firmware checking the integrity of the
kernel partition (and the software there checks the integrity of the root
filesystem)
it works well for Tivo in the locked-down mode, and it's been easy for
people to hack it once the firmware check is disabled
David
.
saying that it's no good for those cases if valid, but the way it is being
said implies that if it's not good enough for those cases it's completely
useless for all cases, and shouldn't be deployed.
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ake simple decisions rather than definitively diagnose or assess patients.
the key thing to remember is that in many cases the alternative isn't a
in-person visit to the specialist, it's going without professional
diagnosis entirely.
David Lang
> Just food for thought. Best wishes
>
cle? at the very least it telegraphs the long-term support versions.
it's not like you really depend on the underlying distro for very much.
it's mostly a convienient codebase to start from in developing your own
distro.
David Lang
> -walter
>
> On Tue, Oct 14, 2008 at 7:06 PM,
hat information is not available for the redhat family, but is
available for Ubuntu. That could be a significant difference.
> The wider Sugar and software appropriate for kids is available, the
> better we all are.
definantly.
David Lang
> - Jim
>
>
>
the specific printer
on the device initiating the print job.
the setup that we would want to use for the XO would be to have them all
create the job using a single definition (postscript would be traditional
for this sort of thing) and then have the server c
reated as a legacy
> capability, from where we sit.
good, I've tried configuring systems this way with CUPS and found it
extremely frustrating to work around CUPS to make get it working. I will
be very glad to see this in place.
David Lang
>- Jim
>
>
gt; not in client apps.
why not use DHCP to provide the lpr print server IP address and then use
that for the IPP printer with a default queue name? (or see if you can
abuse the DHCP option to provide a URL instead of just a list of servers)
David Lang
ough a browser, we have a browser, are we almost
> done yet? :-)
if we have the ability to send to a IPP server on a remote system, that
'remote system' can be a $49 ethernet to parallel/USB device (with the
driver in the laptop).
I also suspect that many of the
tion needs to happen on the client, but all the other things
that you list are server-side issues, aren't they?
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7;ll have
> to put it on a thumb drive and take it to a Kinko's or an internet cafe'.
> Not at all sure how that will work out. Talk about your 'paperless office'!
while since you also don't have a printer this doesn't apply to you (o
hought this was supposed to be
improved, but I saw the same thing when I upgraded to 767 a week ago.
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having the system suspend browse when you switch away from
it is doing exactly the wrong thing.
that being said, having some signal that means 'you don't have the users
eyeballs right now, don't waste time on animations/etc' could be useful,
the problem would be def
ame, this won't matter. but for
someone studying some technical content this breaks their concentration
and hinders them.
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to combine the common,
required libraries togeather into one?
David Lang
> I hope to dig deeper in the near future, but I am concerned at my lack
> of inspiration about how to deal with this problem. (Other than by
> rewriting into a different language.) I still do not consider the
> mod_p
de, where the CPU goes to
sleep fairly quickly (the faster the wake-up when a button is pressed the
more quickly it can go to sleep), but the screen doesn't change. only if
the system is idle for a long time (tens of min) should the cpu wake up
and decide to dim/blank the scree
timestamps and then remember
'the one from today is .rtf, the one from yesterday is .pdf, the one from
the day before is .html, etc)
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m reading that through the
browser.
for some reason it has a scrollbar on the bottom of the screen indicating
that it things that there is 10% or so off to the right.
I am happy to report problems like I have in this message, and am willing
to test
On Sun, 26 Oct 2008, Hal Murray wrote:
>> opening the book in .pdf comes the closest to working. I was still
>> unable to copy the document, so I had to try and read with the USB
>> stick haning out of the machine. I could zoom so that the text is the
>> width of the screen, but after doing so I w
g
vertically through the document works for many things, but not for
multi-column documents.
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you are trying to
read. I initially tried to put it on the right edge of the screen, but I
discovered that it's very easy to flex the case enough to click the mouse
butten when in tablet mode, which scrolls you to whereever the mouse
happens to be sitting on the scrollbar.
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r directory within file:///media/MYDRIVE
> return error -2142109675 from XPCOM loadURI(). Is this an error from
> Bitfrost?
I'm not getting an error, but it's also not going into the direcory.
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thread.
the page for read_etexts doesn't say what it does that makes it better
than the default read (other than being able to read zip files and
gutenberg formats)
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as unknown file types and hitting start
doesn't seem to do anything (other than triggering some disk I/O)
the script is below. it looks like it's doing the right thing. the
resulting zip file has the book + library.info contents.
David Lang
#!/bin/sh
## usage: xolbundle filename
filen
urnal, I get to all
> my pdfs by initially just typing pdf so I only have a couple of pages of
> titles to look through.
changing their titles in the journal requires that I first figure out
which is which.
I was not having any sucess using the search. it may be that I only gave
it 5 min or so and it had not yet finished indexing everything on the USB
stick, so what I was searching for wasn't known yet.
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ic subscriptions
to in the past, with mixed results (they are heavily column based), but
there the problems were clearly the fault of the document being read.
in this case I had book 7 of a sci-fi series that I had just finished
reading the first 6 books of over the weekend and I wanted to just
thing with the file.
I even tried setting it up to download it from a website and it's not
doing anything other than putting the file in the journal
even if I were able to get this functioning, it's still not really good
for reading as you need to click on links every chapter to get
focusing on the more complicated formats.
there is also the problem that since the journal doesn't let you specify
what program to use to open documents several of these formats will end up
beng handled by abiword (writer) instead.
David Lang
> The basic point is it is already able to support m
and is editable. Even for this, though, if you want to edit other Chat
files, you have to navigate the filesystem.)
Potential solutions: Have them be the same view. Others?
they don't need to be exactly the same view, but if you know one you
should be able to track it down in the other.
anced" behavior?
the right fix for this is to speed up the starting, not to force someone
to 'unlock' their system to view two web pages.
David Lang
On Wed, Oct 29, 2008 at 3:59 PM, Erik Garrison <[EMAIL PROTECTED]> wrote:
I think we should not run the activity if it
is out was that when I ran the python
indexer manually it reported a error that gave me enough hints to go
looking for category.
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hose 'tabs' could even be seperate screens and work without requiring
multiple copies of the browser to run.
this was done in the name of 'simplifying' the system (along with
eliminating popups and modal interfaces)
David Lang
> 2008/10/29 <[EMAIL PROTECTED]>
>
&
; importance of the Journal in tying the whole system together. By
> putting the help manual at the top, I believe the discoverability of
> many features/activities would be greatly increased.
the fact that they will quickly disappear off the screen, and may be
auto-deleted by the system greatly
eleted by the system greatly limits their value.
>
> Only if they don't get used.
don't get used or don't get updated?
if I'm viewing a document why would it move in the journal?
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ds to
directly access the filesystem on the nand, it could be that the file
access is done through FUSE so that additional metadata can be stored
along with the file. they key is that it needs to be transparent to the
software so that existing software doesn't need to change.
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twork running, and the brower wouldn't come up.
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n device? (it would be handy if at least the
development builds of the kernel enabled /proc/config.gz for all xo
distros (including the OLPC builds) it costs about 10k
compressed, 40k raw)
things that probably work, but I'm not doing something right
the camera is showing up, but I'
On Sun, 2 Nov 2008, [EMAIL PROTECTED] wrote:
> [EMAIL PROTECTED] wrote:
> > On Sun, 2 Nov 2008, [EMAIL PROTECTED] wrote:
> ...
> > > i suggest searching olpcnews.com/forum for things like this -- last year's
> > > g1g1 users have done a lot of work supporting the XO h/w under non-sugary
> > > envi
On Sun, 2 Nov 2008, [EMAIL PROTECTED] wrote:
> mic input (kmix sees the sound device, including DC input mode, which I
> didn't expect, but I haven't sucessfully recorded anything yet)
I found that I had the mic muted. once that was changed I got feedback :-)
everthing seems to be supported by t
and right hand buttons, and the four game keys
on the right all produce keycodes, but the rotate key, game direction pad,
the key next to the frame key, the key between escape and F1 do not
produce any output.
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eck the suspend/resume support for all the hardware and
make sure it's in the upstream kernel (and test it regularly so that they
don't make a change that breaks it)?
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The younger kids
> who had not used computers much before certainly selected the G1G1
> units. The older kids and adults who have used computers extensively
> found the KDE builds more fascinating. It's what they knew.
interesting.
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features ... like setting up /etc/modules, xorg.conf, and so forth.
>>
>> I'm actually not happy with how the OLPC currently handles these things,
>> they are too X (and sugar) specific. we need to get a layer lower if we
>> can.
>
> Good. But the general purpose s
On Sun, 2 Nov 2008, Mitch Bradley wrote:
> David Lang wrote:
>> ideally I want to figure out how to get these keys into the kernel, at
>> that point any userspace can deal with them.
>
> The game keys produce scancodes that are folded into the keyboard data
> strea
ed (translated set 2, code 0x65 on
> isa0060/serio0).
> [ 832.420977] atkbd.c: Use 'setkeycodes 65 ' to make it known.
I hadn't been checking in the logs.
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4
thanks, that looks like exactly the type of thing I was looking for.
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seeing this where nothing else is running on the
machine.
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On Wed, 12 Nov 2008, Build Announcer v2 wrote:
I tried to install this, but after the install it hangs when tring to
start init (init: invalid option '--init' try init --help for more
information)
upgrading from 767 with firmware 18
t the terminal
the display doesn't show full characters until the screen scrolls
I noticed that recently (I think with 767) the micraphone is activated for
several seconds during boot. on this joyride (and on debxo) the mic stays
on all the time.
ntil the screen scrolls
this box let me start terminal, but starting browse fails
there ia an error on the console about Server is already active for
display 0
when reverting this back to 767 it would not boot (traceback error) I
will try and send a picture of the screen as a reply to this messa
te releases? or should some
of them been batched up a bit?
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hings stand (it would probably be
nice to have approximate figures on the front page of the wiki for
bragging purposes as well)
the ideal would be # purchased(contracted for) plus number physically
shipped.
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e heard about)
it also doesn't show some deployments that I've heard about (New York),
while listing some places with insignificant numbers of laptops (500 or
less)
David Lang
> - Eben
>
>
> On Mon, Nov 17, 2008 at 8:46 PM, <[EMAIL PROTECTED]> wrote:
>> in tryin
astounded-in-arahuay (also march 2008) which
states 260 odd thousand laptops.
David Lang
> - Eben
>
>
> On Mon, Nov 17, 2008 at 9:10 PM, <[EMAIL PROTECTED]> wrote:
>> On Mon, 17 Nov 2008, Eben Eliason wrote:
>>
>>> The countries page of the new website ha
LPC
is a failure, the only thing is that if different people give vastly
different numbers we end up looking like idiots.
the deployments page mentioned above is not linked to from the main page
of the wiki (this is one of my gripes about most wikis, they end up having
lots of information i
On Wed, 26 Nov 2008, David Leeming wrote:
> I am afraid that I have to agree, although not to distract from the
> brilliance of the rest of itonly to raise the importance of this issue.
> In our case one large (relative in our region) country is looking closely at
> a big commitme
is this ready for people to start testing yet?
David Lang
On Mon, 1 Dec 2008, Build Announcer v2 wrote:
> Date: Mon, 1 Dec 2008 17:22:30 -0500 (EST)
> From: Build Announcer v2 <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: New joyride build 2570
>
> http://x
18-Nov-2008 04:20 147K
[ ] sugar.dat 18-Nov-2008 10:14 357M
[ ] sugar.img 18-Nov-2008 10:13 239K
I haven't done much with the gnome build (other than boot it a few times),
but I've messed with the kde build more and there is definantly room to
sli
On Fri, 5 Dec 2008, Sebastian Silva wrote:
> Here's a delicate scenario that I see:
> Inevitably, when comparing the XOs running Sugar to those running
> Windows for evaluation (this is happening *right now*) - MMSs (that
> is, Microsoft&Ministries) will argue not only on GNU+Linux vs. Windows
> t
d was very
close to working (it didn't have the key mappings needed, but that's one
of the things they worked on for the 0.4 release)
David Lang
> Sebastian
>
> [EMAIL PROTECTED] wrote:
>> On Fri, 5 Dec 2008, Sebastian Silva wrote:
>>
>>> Here's a de
. the end result will be a new
window opening up, but running on the first machine (if you have trouble
seeing the difference, make the two machines have different bookmarks, or
give one network access that the other doesn't have)
please don't develop new mechanisms to do things that al
hine room to make new plumbing with a C compiler. Having done too much of
> that myself I can relate to them.
my initial reaction to this is that this sounds like a gap in the python
libraries that would be very useful to fill. getting someone to write a
python libra
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