Importing images in Write documents makes file huge

2009-11-26 Thread Philipp Kocher
Hi all,

We would like the students to create simple html-documents with text and 
images and upload them to the schoolserver for a simple homepage. The 
Write activity (we are using version 60 on build 802) has a feature 
Keep as Hypertext (HTML), but when images are inserted into the 
document the files get huge (10 times bigger than original image).

If I check the file size in the datastore, an image created with Record 
(file size 38kB, mimetype image/jpg) inserted in a html document 
containing nothing else than the image, the html file is 554kB (mimetype 
text/html).

The image is saved in the html-document with:
img ... src=data:image/png;base64,{image data}

I can do the same thing with Abiword 2.8.1 and the html file is just 
52kB, probably because it is using jpg:
img ... src=data:image/jpeg;base64,{image data}

There is an old ticket for that (last modified 2 years ago):
Ticket #1442 non-PNG image support for Abiword

Any suggestions for a workaround? Is there an other activity we could 
use to create html pages?

Best regards,
Philipp

PS: other document types created with Write have the same problem:
image/jpg:   38kB (created with Record activity)
application/rtf:821kB (created with Write activity)
text/html:  554kB (created with Write activity)
application/vnd.oasis.opendocument.text: 406kB (created with Write 
activity, default)
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Re: OFW RPM packaging

2009-11-26 Thread Daniel Drake
On Wed, 2009-11-25 at 15:36 -0500, Richard A. Smith wrote:
 The person who build/releases the firmware (me or mitch) would modify the 
 spec files we have for the firmware and then build the rpm.
 Editing the spec file is manual but I have some scripts that automate making 
 and releasing the rpms.

OK, thanks for the info. Would you be able to start that process again?
The resultant RPMs should go in your ~/public_rpms/f11-xo1.5 on
dev.laptop.org.

Thanks,
Daniel


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Re: OFW RPM packaging

2009-11-26 Thread Daniel Drake
On Thu, 2009-11-26 at 08:40 +, Daniel Drake wrote:
 On Wed, 2009-11-25 at 15:36 -0500, Richard A. Smith wrote:
  The person who build/releases the firmware (me or mitch) would modify the 
  spec files we have for the firmware and then build the rpm.
  Editing the spec file is manual but I have some scripts that automate 
  making and releasing the rpms.
 
 OK, thanks for the info. Would you be able to start that process again?
 The resultant RPMs should go in your ~/public_rpms/f11-xo1.5 on
 dev.laptop.org.

Here is a new olpc.fth you can use.
It's like the one for XO-1, but the kernel params are updated for XO-1.5
and the stuff that tried to determine and pass root= has been removed.

Daniel

\ OLPC boot script

[ifndef] do-firmware-update

: do-firmware-update  ( img$ -- )

\ Keep .error from printing an input sream position report
\ which makes a buffer@address show up in the error message
  ['] noop to show-error

  visible

   tuck flash-buf  swap move   ( len )

   ['] ?image-valid  catch  ?dup  if( )
  visible
  red-letters
  . Bad firmware image file -   .error
  . Continuing with old firmware cr
  black-letters
  exit
   then

   true to file-loaded?

   d# 12,000 wait-until   \ Wait for EC to notice the battery

   ['] ?enough-power  catch  ?dup  if
  visible
  red-letters
  . Unsafe to update firmware now -  .error
  .  Continuing with old firmware cr
  black-letters
  exit
   then

Updating firmware ?lease-debug-cr

   ec-indexed-io-off?  if
  visible
  . Restarting to enable SPI FLASH writing.  cr
  d# 3000 ms
  ec-ixio-reboot
  security-failure
   then

   \ Latch alternate? flag for next startup
   alternate?  if  [char] A h# 82 cmos!  then

   reflash  \ Should power-off and reboot
   show-x
Reflash returned, unexpectedly .security-failure
;

[then]

[ifndef] ?ofw-reflash
\ Check for new firmware.
: ?ofw-reflash  ( -- )
${DN}${PN}\bootfw.zip expand$
   ['] (boot-read) catch  if  2drop exit  then
   img$  firmware-up-to-date?  if  exit  then
   img$ do-firmware-update
;

[then]

: set-path-macros  ( -- )
   button-o game-key?  if   \boot-alt  else   \boot  then  pn-buf place

/chosen find-package  if   ( phandle )
   bootpath rot  get-package-property  0=  if  ( propval$ )
 get-encoded-string  ( bootpath$ )
 [char] \ left-parse-string  2nip( dn$ )
 dn-buf place( )
  then
   then
;

: olpc-fth-boot-me
   set-path-macros
   ?ofw-reflash
console=ttyS0,115200 console=tty0 fbcon=font:SUN12x22 
video=viafb:viafb_mode=1200x900,viafb_bpp=24,viafb_active_dev=LCD,viafb_lcd_panel_id=23
 no_console_suspend reboot=acpi selinux=0  expand$ to boot-file
${DN}${PN}\vmlinuzexpand$ to boot-device
${DN}${PN}\initrd.img expand$ to ramdisk
   boot
;
olpc-fth-boot-me
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Re: Power LED not switching to green even when fully charged

2009-11-26 Thread Christoph Derndorfer
On Thu, Nov 26, 2009 at 5:51 AM, Richard A. Smith rich...@laptop.orgwrote:

  Hi all,
 
  I just noticed that even after a night of charging an XO-1.5 the power
 LED
  is still orange and hasn't switched to green (as it did with the XO-1
 when
  the battery was fully charged).
 
  I know this is only a tiny detail but I was wondering whether this
 happens
  on purpose or if this might point to some low-level fault or something?

 Its certainly not on purpose and does not happen on my 1.5's.


Odd, after running down the battery yesterday I again charged the machine
overnight and this time the power LED was green in the morning. The only
difference between those two charging sessions was the yesterday I had used
the black generic AC adapter whereas tonight I accidently used the normal
green XO-1 adapter.

I'm sorry that I can't provide more accurate information at this point but
will try keep an eye out for this behaviour and use olpc-pwr-log if it
happens again.

Thanks for your support and answers,
Christoph

-- 
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co-editor, olpcnews
url: www.olpcnews.com
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Re: Power LED not switching to green even when fully charged

2009-11-26 Thread Christoph Derndorfer
On Thu, Nov 26, 2009 at 9:12 AM, Daniel Drake d...@laptop.org wrote:

 On Thu, 2009-11-26 at 09:08 +, Christoph Derndorfer wrote:
 
  Odd, after running down the battery yesterday I again charged the
  machine overnight and this time the power LED was green in the
  morning. The only difference between those two charging sessions was
  the yesterday I had used the black generic AC adapter whereas tonight
  I accidently used the normal green XO-1 adapter.

 That's a big difference. Maybe you could re-run the test again another
 night using the black adapter.


Okay, will do:-)

Christoph

-- 
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url: www.olpcnews.com
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Re: Importing images in Write documents makes file huge

2009-11-26 Thread Philipp Kocher
The conversion to PNG was a general Abiword feature, but it got solved 
last July with Abiword 2.7.6 (see link below).
On my XO libabiword-2.6.4-6.olpc3 is installed (build 802).

Is it possible to install an libabiword-olpc rpm of version 2.7.6 or newer?

http://planet.abisource.com/:
July 04, 2009
Marc Maurer: Impressive AbiWord release
We just released AbiWord 2.7.6, which is an awesome release in my opinion!
It for example adds native JPEG support, so we don’t convert every JPEG 
internally to PNG anymore. This will be of great benefit on the OLPC 
laptop, where kids use built-in camera to produce photos in JPEG format 
and add them to their document. This will greatly reduce the filesize of 
their document. It will also be a lot less bandwidth intensive when 
collaborating on such a document.

On 11/26/2009 03:01 PM, Philipp Kocher wrote:
 Hi all,

 We would like the students to create simple html-documents with text and
 images and upload them to the schoolserver for a simple homepage. The
 Write activity (we are using version 60 on build 802) has a feature
 Keep as Hypertext (HTML), but when images are inserted into the
 document the files get huge (10 times bigger than original image).

 If I check the file size in the datastore, an image created with Record
 (file size 38kB, mimetype image/jpg) inserted in a html document
 containing nothing else than the image, the html file is 554kB (mimetype
 text/html).

 The image is saved in the html-document with:
 img ... src=data:image/png;base64,{image data}

 I can do the same thing with Abiword 2.8.1 and the html file is just
 52kB, probably because it is using jpg:
 img ... src=data:image/jpeg;base64,{image data}

 There is an old ticket for that (last modified 2 years ago):
 Ticket #1442 non-PNG image support for Abiword

 Any suggestions for a workaround? Is there an other activity we could
 use to create html pages?

 Best regards,
 Philipp

 PS: other document types created with Write have the same problem:
 image/jpg: 38kB (created with Record activity)
 application/rtf:  821kB (created with Write activity)
 text/html:554kB (created with Write activity)
 application/vnd.oasis.opendocument.text: 406kB (created with Write
 activity, default)
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LogFS for F11-XO-1?

2009-11-26 Thread Martin Langhoff
LogFS is getting merged into linux-next -
http://lwn.net/Articles/363572/ - . The author claims 60ms mount time
on our XO-1
 - http://lwn.net/Articles/234441/ - and it has several nice things
(ie: compression is per file / directory, set with chattr).

This used to be very hard -- but we now have partitioned image support
in our build toolchain and boot process, so as long as we can get the
right kmods in the initramfs, we can boot (and experiment) with
filesystems without having to implement FS support in OFW.

Would be interesting to see what the performance  stability is.

If it works, buried in the patchseries announcement there is a hint at
support for async ops. Hard to know how it'd interact with the timings
of our CaFe, but it could be interesting to retry the async patch.

cheers,


m
--
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mar...@laptop.org -- School Server Architect
- ask interesting questions
- don't get distracted with shiny stuff  - working code first
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Re: New F11 for the XO-1 Build 9

2009-11-26 Thread Sascha Silbe

On Wed, Nov 25, 2009 at 10:32:20AM -0800, Hal Murray wrote:

I just tried it.  The UI hangs in the startup sequence showing the 
whole little man with one dot below him.  It works if I hold down the 
check-key when booting.

[...]

That sounds like the kernel doesn't have DCON support or doesn't find 
it. Does this build use a dev.laptop.org kernel? If so, it probably 
misses the fix for #9687 [1] (attached to the ticket, but not committed 
yet).



[1] https://dev.laptop.org/ticket/9687

CU Sascha

--
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http://www.infra-silbe.de/

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Re: 8.2.x, touchpads and papercuts

2009-11-26 Thread Martin Langhoff
On Thu, Nov 26, 2009 at 12:03 AM, Richard A. Smith rich...@laptop.org wrote:
 On Wed, Nov 25, 2009 at 9:24 PM, Richard A. Smith rich...@laptop.org wrote:

 = CL1A New touchpad users

 I've not had the opportunity to do a lot of testing on a bank of CL1A 
 machines but based on all the work I've been doing on 1.5 I suspect that CL1A 
 users are going to run into the no keyboard (trac #9453).

Interesting. We have a large number of CL1As with 8.2.1 deployed --
have we heard of anything from the field that sounds like this issue?

 For both CL1 and CL1A firmwares are you interested in the auto power up 
 manufacturing tag?

Probably not. OTOH, yes I am interested in that firmware for an XS
release :-) and is probably a good idea to add it to the F11/XO-1
release.

cheers,


m
-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
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Re: LogFS for F11-XO-1?

2009-11-26 Thread Jörn Engel
On Thu, 26 November 2009 10:54:58 +0100, Martin Langhoff wrote:
 
 Would be interesting to see what the performance  stability is.

I'd love to see results.

 If it works, buried in the patchseries announcement there is a hint at
 support for async ops. Hard to know how it'd interact with the timings
 of our CaFe, but it could be interesting to retry the async patch.

I wouldn't expect spectacular results for the X0.  Iirc it has a single
flash chip and the controller can queue a total of one command at a
time.

Jörn

-- 
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Re: LogFS for F11-XO-1?

2009-11-26 Thread Martin Langhoff
On Thu, Nov 26, 2009 at 12:37 PM, Jörn Engel jo...@logfs.org wrote:
 On Thu, 26 November 2009 10:54:58 +0100, Martin Langhoff wrote:

 Would be interesting to see what the performance  stability is.

 I'd love to see results.

We are currently making F11-based builds, I think w 2.6.30. Does logfs
Just Work there if we apply the patches?

 If it works, buried in the patchseries announcement there is a hint at
 support for async ops. Hard to know how it'd interact with the timings
 of our CaFe, but it could be interesting to retry the async patch.

 I wouldn't expect spectacular results for the X0.  Iirc it has a single
 flash chip and the controller can queue a total of one command at a
 time.

Thanks for the hint. For the record -- and in case anyone wonders --
this threads records the proposed patch to our CaFe driver and the
results http://lists.laptop.org/pipermail/devel/2008-December/021677.html

cheers,



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 - ask interesting questions
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Re: LogFS for F11-XO-1?

2009-11-26 Thread Jörn Engel
On Thu, 26 November 2009 12:46:35 +0100, Martin Langhoff wrote:
 On Thu, Nov 26, 2009 at 12:37 PM, Jörn Engel jo...@logfs.org wrote:
  On Thu, 26 November 2009 10:54:58 +0100, Martin Langhoff wrote:
 
  Would be interesting to see what the performance  stability is.
 
  I'd love to see results.
 
 We are currently making F11-based builds, I think w 2.6.30. Does logfs
 Just Work there if we apply the patches?

Assuming the patches apply or you massage them properly to apply, logfs
(the kernel code) should Just Work.  You will also have to create the
filesystem, using mklogfs.  Source can be found here:
http://logfs.org/git?p=logfsprogs/.git;a=summary

I haven't written an image generator.  If I were sufficiently motivated
to write one (I'm not), I'd propably resurrect my userspace vfs
http://logfs.org/git?p=testlogfs;a=summary
and just call the fake_creat and fake_pwrite functions to fill the
image.  Or you could loop-mount on the development host, fill a
filesystem and use that as an image.

  If it works, buried in the patchseries announcement there is a hint at
  support for async ops. Hard to know how it'd interact with the timings
  of our CaFe, but it could be interesting to retry the async patch.
 
  I wouldn't expect spectacular results for the X0.  Iirc it has a single
  flash chip and the controller can queue a total of one command at a
  time.
 
 Thanks for the hint. For the record -- and in case anyone wonders --
 this threads records the proposed patch to our CaFe driver and the
 results http://lists.laptop.org/pipermail/devel/2008-December/021677.html

With my device (sorry, driver is not available just yet), tasklets
performed significantly better than workqueues.  When implementing the
asynchronous fio_* methods you don't have to deal with wait_event at
all, which is nice.  But you still need wrapper functions for the
synchronous methods.  Most likely those wrappers can be identical to
those in my driver.

I really should clean it up and see that I can publish the thing.

Jörn

-- 
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Re: Importing images in Write documents makes file huge

2009-11-26 Thread Tomeu Vizoso
On Thu, Nov 26, 2009 at 09:32, Philipp Kocher philipp.koc...@gmx.net wrote:
 The conversion to PNG was a general Abiword feature, but it got solved
 last July with Abiword 2.7.6 (see link below).
 On my XO libabiword-2.6.4-6.olpc3 is installed (build 802).

 Is it possible to install an libabiword-olpc rpm of version 2.7.6 or newer?

I guess it depends on how many technical resources you have, but it's
definitely possible. Though maybe the best way forward is helping with
the effort of making F11 work well on the XO-1s.

http://wiki.laptop.org/go/F11_for_XO-1

Regards,

Tomeu

 http://planet.abisource.com/:
 July 04, 2009
 Marc Maurer: Impressive AbiWord release
 We just released AbiWord 2.7.6, which is an awesome release in my opinion!
 It for example adds native JPEG support, so we don’t convert every JPEG
 internally to PNG anymore. This will be of great benefit on the OLPC
 laptop, where kids use built-in camera to produce photos in JPEG format
 and add them to their document. This will greatly reduce the filesize of
 their document. It will also be a lot less bandwidth intensive when
 collaborating on such a document.

 On 11/26/2009 03:01 PM, Philipp Kocher wrote:
 Hi all,

 We would like the students to create simple html-documents with text and
 images and upload them to the schoolserver for a simple homepage. The
 Write activity (we are using version 60 on build 802) has a feature
 Keep as Hypertext (HTML), but when images are inserted into the
 document the files get huge (10 times bigger than original image).

 If I check the file size in the datastore, an image created with Record
 (file size 38kB, mimetype image/jpg) inserted in a html document
 containing nothing else than the image, the html file is 554kB (mimetype
 text/html).

 The image is saved in the html-document with:
 img ... src=data:image/png;base64,{image data}

 I can do the same thing with Abiword 2.8.1 and the html file is just
 52kB, probably because it is using jpg:
 img ... src=data:image/jpeg;base64,{image data}

 There is an old ticket for that (last modified 2 years ago):
 Ticket #1442 non-PNG image support for Abiword

 Any suggestions for a workaround? Is there an other activity we could
 use to create html pages?

 Best regards,
 Philipp

 PS: other document types created with Write have the same problem:
 image/jpg:                     38kB (created with Record activity)
 application/rtf:              821kB (created with Write activity)
 text/html:                    554kB (created with Write activity)
 application/vnd.oasis.opendocument.text: 406kB (created with Write
 activity, default)
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What Sugar Labs does is determined by the participants.» - David
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Re: [Sugar-devel] GSM/CDMA Modems support (part II)

2009-11-26 Thread Tomeu Vizoso
On Wed, Nov 25, 2009 at 14:47, Daniel Drake d...@laptop.org wrote:
 On Wed, 2009-11-25 at 09:36 -0500, Martin Abente wrote:
 Would a patch that extends the allowed connection types be accepted in the
 0.84 branch (that will be shipped with F11) ?

 Depends on the patch, but in general one requirement I've been putting
 on patches for OLPCs 0.84 fork is that the patches must already be in
 sugar master. So this should be your first port of call...

I'll be happy to work with Martin (and whoever else) on this. From
looking at http://trac.paraguayeduca.org/browser/nmbridge , Paraguay
Educa has already the required skills to do a great work there.

Regards,

Tomeu

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sensors and bias

2009-11-26 Thread Daniel Drake
Hi,

On XO-1, we had an ALSA switch that enabled mic bias. This was used by
measure when being put into resistance sensor mode.

However, on XO-1.5, when Mitch Bradley suggested how to implement sensor
mode, his advice was disable bias, enable the DC port and select it as
input

Also, our DC input port does not seem to have any bias options.
http://dev.laptop.org/~dsd/20090713/codec0.txt
It is NID 0x1e.

The only nodes that have bias options are 0x1a and 0x1b (the analog
microphone inputs).


Not knowing much about this area, I'm confused. Is bias useful or not
when dealing with sensors? Have we excluded the possibility to control
it on XO-1.5?

(The current XO-1.5 kernel has a switch to control DC Input Bias but
this was an oversight, it doesn't do anything because NID 0x1e has no
bias settings.)

Daniel


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Re: Problem with dracut-modules-olpc-0.2.8 (was: Problem with dracut-modules-olpc-0.2.4)

2009-11-26 Thread Martin Langhoff
On Wed, Nov 25, 2009 at 12:44 PM, Esteban Bordón ebordon...@gmail.com wrote:
 When I try boot the XO using signed initrd and kernel, initrd doesn't mount
 the filesystem.

 The screen displays the message mouont: you must specify the filesystem
 type several times and then shows
 Can't mount root filesystem

 Boot has failed, sleeping forever .

Can you confirm that it boots in insecure mode, but does not boot in
secure mode?

cheers,



m
-- 
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 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
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Re: 8.2.x, touchpads and papercuts

2009-11-26 Thread Paul Fox
martin wrote:
  
  We are both trolling.

teach a man to fish, and...  :-)

  Now - changing to productive topics... give me
  some things we can do on a 8.2.2 release for the 2 groups of users I
  mention:
  
  = CL1 Alps users
- better kmod?
- pgf proposed an xset command to tweak responsiveness?

both of the above points are covered here:
http://wiki.laptop.org/go/Touchpad_driver_changes
folks in the field in both rwanda and paraguay have done some
testings.  we would love to get more feedback from anyone having
CL1 (i.e., original) touchpad issues regularly, to let us know
if this is enough better to be worth deploying.  i/we believe it
is, but it's been quite difficult to get good feedback.

there's an rpm here:

http://wiki.laptop.org/go/Touchpad_driver_changes#Trial_Kernel_with_new_driver
(it's inside the tarball, along with a script that applies the
mouse accelleration change.)

  
  = CL1A New touchpad users
   - split off psmouse kmod?
   - kmod or xorg option to disable tapping?

when we first got the new CL1A touchpads, and enabled the
synaptics protocol in the psmouse driver, it didn't work very
well at all.  we were under release pressure, so we disabled that
support in the kernel, until another day.  daniel recently
pointed out to me that we could build in the synaptics protocol,
but explicitly not choose it (i.e., override auto-detection) by
using a module parameter.  this would let deployments and others
experiment with ways to make tap-to-click go away while keeping
everything else working.  i believe the full solution will
require changes in addition to kernel work -- configuration of
the driver and X, and possibly changes to the X11 driver.  (note
that we have the same issue on XO-1.5 laptops, which all have
CL1A touchpads.  the issue is being tracked in #9101.

i did propose splitting off the psmouse module, so that it could
be released independently of the kernel.  i still think this is
probably the right thing to do, though not necessary -- it's always
possible to build and install a full kernel RPM.

paul
=-
 paul fox, p...@laptop.org
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Re: 8.2.x, touchpads and papercuts

2009-11-26 Thread Paul Fox
i wrote:
  martin wrote:
 ...

= CL1 Alps users
  - better kmod?
  - pgf proposed an xset command to tweak responsiveness?
  
  both of the above points are covered here:
  http://wiki.laptop.org/go/Touchpad_driver_changes
  folks in the field in both rwanda and paraguay have done some
  testings.  we would love to get more feedback from anyone having
  CL1 (i.e., original) touchpad issues regularly, to let us know
  if this is enough better to be worth deploying.  i/we believe it
  is, but it's been quite difficult to get good feedback.
  
  there's an rpm here:
  
  http://wiki.laptop.org/go/Touchpad_driver_changes#Trial_Kernel_with_new_driver
  (it's inside the tarball, along with a script that applies the
  mouse accelleration change.)

i forgot to also mention that i believe anyone using an XO-1 with
a recent (last couple of months) 2.6.30 kernel, as provided with
an F11-or-SoaS-on-XO-1 release, is already running this driver. 
i haven't heard negative feedback from that group of users -- but
i actually haven't gotten any feedback at all.  so maybe the new
driver isn't an improvement at all.  or you're all using external
mice.  :-)

paul
=-
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Re: Importing images in Write documents makes file huge

2009-11-26 Thread Philipp Kocher
On 11/26/2009 07:06 PM, Tomeu Vizoso wrote:
 On Thu, Nov 26, 2009 at 09:32, Philipp Kocherphilipp.koc...@gmx.net  wrote:
 The conversion to PNG was a general Abiword feature, but it got solved
 last July with Abiword 2.7.6 (see link below).
 On my XO libabiword-2.6.4-6.olpc3 is installed (build 802).

 Is it possible to install an libabiword-olpc rpm of version 2.7.6 or newer?

 I guess it depends on how many technical resources you have, but it's
 definitely possible. Though maybe the best way forward is helping with
 the effort of making F11 work well on the XO-1s.

 http://wiki.laptop.org/go/F11_for_XO-1

What about 8.2.x?
At the moment the write activity is not really responsive when a few 
pictures are in the document. I expect that would improve as well.

It looks like abiword 2.8.1 is already part of F11 for XO 1, which 
should solve the problem. But I don't expect F11 being installed on the 
student XOs very soon, is there an alternative solution like another 
activity that can create simple html files with pictures?

 Regards,

 Tomeu

 http://planet.abisource.com/:
 July 04, 2009
 Marc Maurer: Impressive AbiWord release
 We just released AbiWord 2.7.6, which is an awesome release in my opinion!
 It for example adds native JPEG support, so we don’t convert every JPEG
 internally to PNG anymore. This will be of great benefit on the OLPC
 laptop, where kids use built-in camera to produce photos in JPEG format
 and add them to their document. This will greatly reduce the filesize of
 their document. It will also be a lot less bandwidth intensive when
 collaborating on such a document.

 On 11/26/2009 03:01 PM, Philipp Kocher wrote:
 Hi all,

 We would like the students to create simple html-documents with text and
 images and upload them to the schoolserver for a simple homepage. The
 Write activity (we are using version 60 on build 802) has a feature
 Keep as Hypertext (HTML), but when images are inserted into the
 document the files get huge (10 times bigger than original image).

 If I check the file size in the datastore, an image created with Record
 (file size 38kB, mimetype image/jpg) inserted in a html document
 containing nothing else than the image, the html file is 554kB (mimetype
 text/html).

 The image is saved in the html-document with:
 img ... src=data:image/png;base64,{image data}

 I can do the same thing with Abiword 2.8.1 and the html file is just
 52kB, probably because it is using jpg:
 img ... src=data:image/jpeg;base64,{image data}

 There is an old ticket for that (last modified 2 years ago):
 Ticket #1442 non-PNG image support for Abiword

 Any suggestions for a workaround? Is there an other activity we could
 use to create html pages?

 Best regards,
 Philipp

 PS: other document types created with Write have the same problem:
 image/jpg: 38kB (created with Record activity)
 application/rtf:  821kB (created with Write activity)
 text/html:554kB (created with Write activity)
 application/vnd.oasis.opendocument.text: 406kB (created with Write
 activity, default)
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Re: Importing images in Write documents makes file huge

2009-11-26 Thread Benjamin M. Schwartz
Philipp Kocher wrote:
 Is it possible to install an libabiword-olpc rpm of version 2.7.6 or newer?

Note that this represents a flag day change.  Users with version below
and above will not be able to collaborate, at least when trying to share
documents containing jpeg images.

--Ben



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Re: Haiti OLPCs - some news

2009-11-26 Thread Guylhem Aznar
Hello

On Thu, Nov 26, 2009 at 04:55, Edward Cherlin echer...@gmail.com wrote:
 On the data entry, what medical software is in use?

There's no data entry for the moment. The first part of the project is
to provide access to html content, with a strong focus on drugs
information, but anything can be put on the SD or USB key.
The olpc are set to use a fullscreen browser with a minimal debian
based distribution.

Using medical entry software is an interesting idea, but I believe
trying to adapt an existing solution instead of creating something
based on the local needs is wasteful.

 Are people thinking about how to network from village to town to city
 for such purposes?

The debian is set up so that when olpcs are near eachother, the
homepage of the fullscreen browser shows the list of near olpcs, with
an hyperlink. The content of the SD and USB keys are shared by default
- therefore if there's no SD or USB key, it shows nothing.

I purchased SD card with USB interface (sandisk) for each olpc. The
idea is to let it inside the olpc, using the USB port to access its
content on another computer if needed. SD are small enough to be
easily exchanged

The idea is to ease the propagation of any html content (the LCD of
text information) between the users.

 Is there any thought about telemedicine using the camera, video chat,
 and data acquisition functions of the XO?

Hopefully - I did some tests, aiming for something simple (saving jpg
files on the USB/SD, to be shared wirelessly).

But for now I want to get the devices in the hard of the users and let
them tell me what they need.

-- 
Dr. Guylhem Aznar, MD PhD

Unité d'Analyse Médico-Économique
Service de Santé Publique et d'Économie de la Santé
Pôle SPSSR
CHU de Fort de France
BP 632
97261 Fort De France Cedex
Martinique, France

Tel : 05 96 55 23 47
Fax : 05 96 75 84 57
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Re: New F11 for the XO-1 Build 9

2009-11-26 Thread Hal Murray

sascha-ml-ui-sugar-olpc-de...@silbe.org said:
 On Wed, Nov 25, 2009 at 10:32:20AM -0800, Hal Murray wrote:
 I just tried it.  The UI hangs in the startup sequence showing the
 whole little man with one dot below him.  It works if I hold down
 the check-key when booting. [...]

 That sounds like the kernel doesn't have DCON support or doesn't
 find it. Does this build use a dev.laptop.org kernel? If so, it
 probably misses the fix for #9687 [1] (attached to the ticket, but
 not committed yet). 

It works if I boot with the check-key, so I assume the kernel knows how to 
talk to the DCON.

In case it matters, I was using the kernel (and everything else) that Steven 
M. Parrish announced on Mon, 23 Nov.
  http://dev.laptop.org/~smparrish/XO-1/builds/OS9


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Re: New F11 for the XO-1 Build 9

2009-11-26 Thread Sascha Silbe

On Thu, Nov 26, 2009 at 09:47:24AM -0800, Hal Murray wrote:

It works if I boot with the check-key, so I assume the kernel knows 
how to talk to the DCON.
When you boot with check-key OFW already unfreezes then DCON, so the 
kernel doesn't need to do it anymore. Brightness setting - which you 
reported as non-working - is also done using the DCON, so from my side 
it's still looking like a DCON driver issue.
Can you post the output of dmesg |grep -i dcon, please? If the DCON 
driver works, it should say something like:


[4.213218] olpc-dcon:  Discovered DCON version 2

If it doesn't output anything at all, there's either no DCON driver 
present or it doesn't get invoked, the latter of which would be #9687.


CU Sascha

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Re: [IAEP] Sunflower for Science on XO

2009-11-26 Thread Tomeu Vizoso
On Wed, Nov 25, 2009 at 17:16, Danny Kodicek
da...@sunflowerlearning.com wrote:
 Hi there

 I just wanted to write to let people know we've been experimenting with some
 success with getting our Sunflower for Science product
 (www.sunflowerlearning.com) running on an XO. It's a Windows/Mac product but
 I've got it running through SugaredWine and it's looking very promising.

 I have a few questions that I wondered if anyone might be able to help with:

 1) Screen resolution
 The biggest problem we have is that the screen res of the XO seems
 unnecessarily high and can't be changed. This leads to two big problems, one
 of readibility (which we can fix with a bit of work) and one of performance.
 Given the low spec of the machines, running full-screen animations, some of
 them in 3d, is pretty hard work for them at that resolution. Does anyone
 have any suggestions for ways to get round this issue? For example, I've
 been thinking about whether we could run the software at half-res and then
 use a screen magnifier app to bring it back to fullscreen

That approach has been discussed and I think that someone got it to
work up to some point, I recommend you to search in the
devel@lists.laptop.org archives for the keyword scaling, zoom,
etc. I'm cc'ing that list in the hope that someone will reply.

 2) Launching and packaging
 Although SugaredWine is great, it would seem that a more sensible option
 would be to package the software together with Wine as a single activity
 that can be launched directly from a stick or installed as a .xo. Our
 product doesn't have an installer, although it does write to the Registry -
 anyone tried anything like this?

I recommend you to make an .xo that contains both wine and you binary,
when the activity is launched, wine would be called with your binary
as an argument. I think there was a good example running around some
time ago, which did just that with an excel viewer or similar.

 I'm afraid I'm a total Linux novice, so any advice would be welcome, but if
 you could talk to me like a small child that would be very helpful :)

Sorry I cannot give you more precise instructions, I'm really short of
time these days. I would suggest you to google around, patiently ask
here and in other fora, and go step by step towards your goal,
learning on the way. That's what small children do, right? :p

Regards and good luck,

Tomeu

 Thanks
 Danny

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Re: New F11 for the XO-1 Build 9

2009-11-26 Thread Hal Murray

sascha-ml-ui-sugar-olpc-de...@silbe.org said:
 When you boot with check-key OFW already unfreezes then DCON, so
 the kernel doesn't need to do it anymore. Brightness setting -
 which you reported as non-working - is also done using the DCON, so
 from my side it's still looking like a DCON driver issue. 

Ahh.  I missed that part.


 Can you post the output of dmesg |grep -i dcon, please? If the
 DCON driver works, it should say something like: 

Nope, nothing about DCON there.


 If it doesn't output anything at all, there's either no DCON driver
 present or it doesn't get invoked, the latter of which would be #9687.

Thanks.  Looks right to me.  No dcon in /sys/devices/platform/ either.



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Re: New F11 for the XO-1 Build 9

2009-11-26 Thread Sascha Silbe

On Thu, Nov 26, 2009 at 12:01:12PM -0800, Hal Murray wrote:


If it doesn't output anything at all, there's either no DCON driver
present or it doesn't get invoked, the latter of which would be 
#9687.

Thanks.  Looks right to me.  No dcon in /sys/devices/platform/ either.
If you want to be sure it's #9687 you can check whether 
/sys/module/olpc_dcon exists (it should). But I doubt that F11 for the 
XO-1 ships a kernel without a DCON driver.


CU Sascha

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Re: updates.laptop.org now serves F11-for-XO1.5 builds

2009-11-26 Thread James Cameron
olpc-update f11_xo1.5-46 ... worked fine for me on os45 at a conference venue.  
Took a while, but that was probably latency.

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Re: 8.2.x, touchpads and papercuts

2009-11-26 Thread Gary C Martin
Hi Paul,

On 26 Nov 2009, at 13:45, Paul Fox wrote:

 i wrote:
 martin wrote:
 ...
 
 = CL1 Alps users
  - better kmod?
  - pgf proposed an xset command to tweak responsiveness?
 
 both of the above points are covered here:
http://wiki.laptop.org/go/Touchpad_driver_changes
 folks in the field in both rwanda and paraguay have done some
 testings.  we would love to get more feedback from anyone having
 CL1 (i.e., original) touchpad issues regularly, to let us know
 if this is enough better to be worth deploying.  i/we believe it
 is, but it's been quite difficult to get good feedback.
 
 there's an rpm here:
 
 http://wiki.laptop.org/go/Touchpad_driver_changes#Trial_Kernel_with_new_driver
 (it's inside the tarball, along with a script that applies the
 mouse accelleration change.)
 
 i forgot to also mention that i believe anyone using an XO-1 with
 a recent (last couple of months) 2.6.30 kernel, as provided with
 an F11-or-SoaS-on-XO-1 release, is already running this driver. 
 i haven't heard negative feedback from that group of users -- but
 i actually haven't gotten any feedback at all.  so maybe the new
 driver isn't an improvement at all.  or you're all using external
 mice.  :-)

Sorry for not pinging before on this, but I'm not noticing a significant change 
in trackpad behaviour (certainly does not seem to have deteriorated so could be 
a mild improvement). I need to sit down and do side by side comparisons while 
not being distracted by other tasks (just got back to Edinburgh tonight so I 
have a 0.82 XO-1 and F11-on-XO-1 handy again). A good test I used to try when 
the trackpad was being hacked on before was using Paint (same version) to draw 
spirals, you:

1) try to keep it reasonably tight
2) stop if you collide or get sloppy
3) count the number of cycles
4) try again N times
5) use the average cycles as a measure

Will give this a shot in the next few days.

Regards,
--Gary

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Re: updates.laptop.org now serves F11-for-XO1.5 builds

2009-11-26 Thread Sandy Culver
olpc-update to xo1.5-46 worked for me on my B2  Thanks Daniel Drake!

I had trouble downloading in full the zd file for 46 from cjb's
directory in my Ubuntu machine, not sure why.

So I stepped back to OS45 and followed the suggestions above and on
reboot it works

This combination of Q3a16 and OS45 and 46 seem to run OK and the
screen color errors at boot up have not appeared again that I had at
Qa311 and release 11 ( my testing starting point)


Sandy

http://wiki.laptop.org/go/User:Culseg
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Re: sensors and bias

2009-11-26 Thread John Watlington

The bias for port B is used for port F (the DC input).
Port F has no bias generator, and would have to use
another port's, regardless of whether it was DC coupled or not.

wad

On Nov 26, 2009, at 7:18 AM, Daniel Drake wrote:

 Hi,

 On XO-1, we had an ALSA switch that enabled mic bias. This was used by
 measure when being put into resistance sensor mode.

 However, on XO-1.5, when Mitch Bradley suggested how to implement  
 sensor
 mode, his advice was disable bias, enable the DC port and select  
 it as
 input

 Also, our DC input port does not seem to have any bias options.
 http://dev.laptop.org/~dsd/20090713/codec0.txt
 It is NID 0x1e.

 The only nodes that have bias options are 0x1a and 0x1b (the analog
 microphone inputs).


 Not knowing much about this area, I'm confused. Is bias useful or not
 when dealing with sensors? Have we excluded the possibility to control
 it on XO-1.5?

 (The current XO-1.5 kernel has a switch to control DC Input Bias but
 this was an oversight, it doesn't do anything because NID 0x1e has no
 bias settings.)

 Daniel


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[Server-devel] Development state

2009-11-26 Thread Ulises Abel Arias García
Greetings,

I am Ulises Arias from the OLPC MINED El Salvador team, I read in the
wiki that the XS server its still on development and not all the
software is fully functional.

My question is, How convenient is to use an XS server for production
work in the current state? , and in how many time will a stable be released?

Thanks beforehand.

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