gmane.linux.laptop.olpc.devel

RE: Devel Digest, Vol 88, Issue 19

2013-06-19T19:44:04

Hi Richard,

Very sad to hear that. You've been one of the most important people for
communities. Your knowledge of the hardware help us many time in many way.

Wish you all the best for your new job.

Best regards from France and a big thanks from the 250 XO owners of OLPC
France laptops that you've contributed to help.

Lionel.


----------------------------------------------------------------------

Message: 1
Date: Wed, 19 Jun 2013 11:15:32 -0400
From: "Richard A. Smith" <richard< at >laptop.org>
To: OLPC Devel <Devel< at >lists.laptop.org>
Subject: So long and thanks for all the fish.
Message-ID: <51C1CB14.6070509< at >laptop.org>
Content-Type: text/plain; charset=UTF-8; format=flowed

This is my public announcement that I'm leaving OLPC. I have accepted a new
position at Bobo Analytics.  My last day with OLPC is the 21st.

At Bobo I'll be working along side with Ed McNierney and Mitch Bradly so it
won't feel too far away from OLPC.

The last 6.5 years have been an amazing journey.  There really aren't the
words to

Re: So long and thanks for all the fish.

Kevin Gordon Gmail — 2013-06-19T15:23:46

_______________________________________________
Devel mailing list
Devel< at >lists.laptop.org
http://lists.laptop.org/listinfo/devel

So long and thanks for all the fish.

Richard A. Smith — 2013-06-19T15:15:32

This is my public announcement that I'm leaving OLPC. I have accepted a 
new position at Bobo Analytics.  My last day with OLPC is the 21st.

At Bobo I'll be working along side with Ed McNierney and Mitch Bradly so 
it won't feel too far away from OLPC.

The last 6.5 years have been an amazing journey.  There really aren't 
the words to express it.  I'm extremely honored to have had the chance 
to work at OLPC and been able to work with some of the most amazing 
people I've ever met.  I'm proud of what OLPC, its associates and 
volunteers have been able to accomplish and I'll always carry fond 
memories of my contributions to the project.

I'll continue to lurk on IRC and you can still reach me by my 
richard< at >laptop.org address.  If that stops at some point then 
smithbone< at >gmail.com will be around as long as google keeps it.

Take care everyone.
Richard.

Re: So long and thanks for all the fish.

Sameer Verma — 2013-06-20T05:25:09

Rock on man, and welcome to the volunteer club ;-)

cheers,
Sameer

an anecdote from Bhagmalpur

Sameer Verma — 2013-06-20T05:23:39

An interesting anecdote from Bhagmalpur, India
(http://bhagmalpur.wordpress.com)

We just turned on the Internet two weeks ago (thx to Anish Mangal and
Kartik Perisetla), but power has been largely missing. The server and
Wi-Fi paraphernalia lives at my uncle's house. The kids miss the
access a lot. So, eventually they pooled money, bought a liter of
Diesel and showed up at my Uncle's house, asking him to run the
generator, so that they could get on the Internet!

What have we done! :-)

cheers,
Sameer

Re: So long and thanks for all the fish.

Mike Lee — 2013-06-20T05:19:27

Richard,

If there is an award for most electrons saved while delivering learning to
children globally, you should get it. Your dedication to hyper-efficient
power consumption in the XO continues to effect a significant
differentiator in the product.

But more than product focus, I benefited often from your unwavering
attitude of no-request-is-too-small. Most recently, helping me to work
through testing of the new power plug adapter in Zambia. And over the
years, so many patient and detailed replies to my questions on solar panels.

I suspect we'll cross paths again next I'm in Boston, or if Bobo gets
enough attention to arrange a meeting with my employer.

So I'm not saying goodbye. I want to say that I hope the community
continues to come up with interesting questions and projects at attract
your interest!

Mike



On Wed, Jun 19, 2013 at 11:15 AM, Richard A. Smith <richard< at >laptop.org>wrote:

_______________________________________________
Devel mailing list
Devel< at >lists.laptop.org
http://lists.laptop.org/l

RE: Devel Digest, Vol 88, Issue 19

2013-06-19T19:44:04

Hi Richard,

Very sad to hear that. You've been one of the most important people for
communities. Your knowledge of the hardware help us many time in many way.

Wish you all the best for your new job.

Best regards from France and a big thanks from the 250 XO owners of OLPC
France laptops that you've contributed to help.

Lionel.


----------------------------------------------------------------------

Message: 1
Date: Wed, 19 Jun 2013 11:15:32 -0400
From: "Richard A. Smith" <richard< at >laptop.org>
To: OLPC Devel <Devel< at >lists.laptop.org>
Subject: So long and thanks for all the fish.
Message-ID: <51C1CB14.6070509< at >laptop.org>
Content-Type: text/plain; charset=UTF-8; format=flowed

This is my public announcement that I'm leaving OLPC. I have accepted a new
position at Bobo Analytics.  My last day with OLPC is the 21st.

At Bobo I'll be working along side with Ed McNierney and Mitch Bradly so it
won't feel too far away from OLPC.

The last 6.5 years have been an amazing journey.  There really aren't the
words to

Re: So long and thanks for all the fish.

Kevin Gordon Gmail — 2013-06-19T15:23:46

_______________________________________________
Devel mailing list
Devel< at >lists.laptop.org
http://lists.laptop.org/listinfo/devel

So long and thanks for all the fish.

Richard A. Smith — 2013-06-19T15:15:32

This is my public announcement that I'm leaving OLPC. I have accepted a 
new position at Bobo Analytics.  My last day with OLPC is the 21st.

At Bobo I'll be working along side with Ed McNierney and Mitch Bradly so 
it won't feel too far away from OLPC.

The last 6.5 years have been an amazing journey.  There really aren't 
the words to express it.  I'm extremely honored to have had the chance 
to work at OLPC and been able to work with some of the most amazing 
people I've ever met.  I'm proud of what OLPC, its associates and 
volunteers have been able to accomplish and I'll always carry fond 
memories of my contributions to the project.

I'll continue to lurk on IRC and you can still reach me by my 
richard< at >laptop.org address.  If that stops at some point then 
smithbone< at >gmail.com will be around as long as google keeps it.

Take care everyone.
Richard.

13.2.0 build 10 for XO-4 released

Daniel Drake — 2013-06-17T21:06:22

Hi,

Here is a quick XO-4-only build with a memory corruption fix in the
XO-4 wireless driver (#12701). Part of our ongoing work to fix
stability issues preventing successful factory testing.

http://download.laptop.org/xo-4/os/candidate/13.2.0-10/

Daniel

Re: Upstreaming MMP clock devicetree support

Mitch Bradley — 2013-06-13T18:03:22

It seems okay to me on first reading.

On 6/13/2013 7:53 AM, Daniel Drake wrote:

Re: Upstreaming MMP clock devicetree support

Daniel Drake — 2013-06-13T19:03:08

Unfortunately even without the DT changes described here, old firmware
versions already will not be able to boot new/upstream kernels, once
we get to that point. The DT is missing regulator information so the
MMC controller doesn't get powered up. This is the "old firmware, new
kernel" problem.

The DT clock changes described here would also mean that new firmwares
become incompatible with released kernels. This is the "new firmware,
old kernel" problem. I think this will also be unavoidable.

So yes, we are looking at both of those problems.

There are some thoughts and possibilities here:

http://wiki.laptop.org/go/Device_tree_upgrade_considerations
https://lists.ozlabs.org/pipermail/devicetree-discuss/2012-August/019024.html

but no definite, attractive solution. I suspect it is something we are
just going to have to live with.

I think the "old firmware, new kernel" is the most painful of the two
problems. Maybe we can fix that up with a bootwrapper type solution
mentioned in the mail linked to above (a

Re: Upstreaming MMP clock devicetree support

Paul Fox — 2013-06-13T17:56:17

 > Hi Mitch,
 > 
 > As mentioned, upstream now has APBC/APMU clock drivers, and I think there
 > are a couple of things in way that clock-dt.c interacts with the common
 > clock framework that upstream wouldn't approve of.
 > 
 > Here is my first attempt at a new approach, using the new upstream clock
 > drivers, and using the common clock framework in a way that is more
 > according to its design and use on other SoCs. Tested on XO-1.75 and XO-4.
 > 
 > If you have some time for some quick comments on my DT design before I
 > submit this, it would be much appreciated.

does this imply a future flag day, at which time new firmware will be
incompatible with old kernels, and vice-versa?

paul

 > 
 > 
 > DT tweaks and kernel patch follow.
 > 
 > : +string  encode-string encode+  ;
 > : +int  encode-int encode+ ;
 > : +phandle  encode-phandle encode+ ;
 > 
 > \ APBC CLOCKS
 > 
 > dev /
 > new-device
 >    \ a.k.a. fast clock
 >    " vctcxo" device-name
 >    " fixed-clock" +compatible
 >    0 " #clock-cells" in

Upstreaming MMP clock devicetree support

Daniel Drake — 2013-06-13T17:53:29

Hi Mitch,

As mentioned, upstream now has APBC/APMU clock drivers, and I think there
are a couple of things in way that clock-dt.c interacts with the common
clock framework that upstream wouldn't approve of.

Here is my first attempt at a new approach, using the new upstream clock
drivers, and using the common clock framework in a way that is more
according to its design and use on other SoCs. Tested on XO-1.75 and XO-4.

If you have some time for some quick comments on my DT design before I
submit this, it would be much appreciated.


DT tweaks and kernel patch follow.

: +string  encode-string encode+  ;
: +int  encode-int encode+ ;
: +phandle  encode-phandle encode+ ;

\ APBC CLOCKS

dev /
new-device
   \ a.k.a. fast clock
   " vctcxo" device-name
   " fixed-clock" +compatible
   0 " #clock-cells" integer-property
   d# 26000000 " clock-frequency" integer-property
finish-device

new-device
   " clk32" device-name
   " fixed-clock" +compatible
   0 " #clock-cells" integer-property
   d# 3200 " clock-freque

Re: OOB V6.0 does not installs example ini files (SOLVED)

Daniel Drake — 2013-06-13T14:11:47

That is mainly because the wiki instructions are rather old, they were
written for XO-1.75 before there was a yum package available. There
are a couple of other redundancies in the docs as well. But if you
have it working, nobody is complaining :)

Re: Re-install os885 on XO-1.5 error

James Cameron — 2013-06-13T06:17:03

I'm a bit interested.  I haven't been able to make any of mine fail,
and I've a collection of about twelve so far, accumulated over ten
years.

I've always found my problems to be either:

- invalid partitioning,

- unrepeatable corruption of the partition table or filesystem, or;

- physical wear on the connectors,

- plastic dimensions that prevent full insertion.

On Wed, Jun 12, 2013 at 11:03:20PM -0700, Hal Murray wrote:

Re: Re-install os885 on XO-1.5 error

James Cameron — 2013-06-13T06:04:21

Good to hear.

USB flash drives can be unreliable.  There are so many things that can
go wrong.

On Thu, Jun 13, 2013 at 04:28:48PM +1100, David Leeming wrote:

Re: Re-install os885 on XO-1.5 error

Hal Murray — 2013-06-13T06:03:20


I wore out a USB drive, just by downloading new versions of XO-1.0 software 
to try. (Kingston, 2GB)

copy-nand complained.  I forget the exact error message, but it was obvious 
after I compared the bits on the USB drive against the bits on the disk.

Many thanks for the CRC checking part of copy-nand.


I still have the busted USB drive if anybody wants one that is 
just-flakey-enough for testing.

RE: Re-install os885 on XO-1.5 error

David Leeming — 2013-06-13T05:28:48

Thanks again James. 

The md5sum was OK so I reformatted the USB stick and tried again - and no
error. I have done this so many times before on XO-1 but never seen this. So
the first time I tried on XO 1.5 it happened. I must remember the old adage,
if the car doesn't start maybe it has no petrol...

David 


-----Original Message-----
From: quozl< at >us.netrek.org [mailto:quozl< at >us.netrek.org] On Behalf Of James
Cameron
Sent: Thursday, 13 June 2013 3:47 p.m.
To: David Leeming
Cc: 'OLPC Devel'
Subject: Re: Re-install os885 on XO-1.5 error

G'day David,

The CPU temperature of 54 celcius is a bit on the high side.  Please
run the heat spreader test on this unit:

ok test /switches

If the heat spreader does not contact the CPU properly, the
temperature can rise too much during installation.  If the temperature
is too high, the CPU can pause, or make mistakes.

Significant gaps, blocks staying gray, are normal, and nothing to
worry about.  These blocks don't need to be written, so the .zd file
does not write to th

Re: Re-install os885 on XO-1.5 error

James Cameron — 2013-06-13T04:46:55

G'day David,

The CPU temperature of 54 celcius is a bit on the high side.  Please
run the heat spreader test on this unit:

ok test /switches

If the heat spreader does not contact the CPU properly, the
temperature can rise too much during installation.  If the temperature
is too high, the CPU can pause, or make mistakes.

Significant gaps, blocks staying gray, are normal, and nothing to
worry about.  These blocks don't need to be written, so the .zd file
does not write to them.  This saves on downloads.

The error "Wrong expanded data length" means that the file was not
correct on the USB drive, or the USB drive could not be read.  The
task was aborted.  Things you can try:

* check the file using md5sum, see
  http://wiki.laptop.org/go/Download#Verifying

* try a different USB drive,

* don't use a USB hub,

* disconnect any other USB devices,

* try a different port on the laptop,

* upgrade the firmware; you are using Q3C07, but Q3C08 contains a fix
for USB drives with embedded hubs, and Q3C13 has a fi

Re-install os885 on XO-1.5 error

David Leeming — 2013-06-13T04:24:50

Hello again,

 

I wanted to test reinstalling XO-1.5 (2GB) release 11.3.1 from a USB stick, 

 

I downloaded and copied to the stick

 

os885.zd2

 

os885.zd2.zsp.fs.zip  (and renamed it fs.zip)

 

following the instructions at
http://wiki.laptop.org/go/Release_notes/11.3.1#XO-1.5

 

It goes into the screen with the green blocks replacing grey, but there are
some significant gaps (blocks stay grey) and finally it stops with the
error:

 

<buffer< at >1c00000>:4864: Wrong expanded data length 

 

Screenshots attached. 

 

However, after doing this and rebooting, the XO  starts up OK (using first
time the lease.sig) and asks for name, colours etc - and although not fully
tested all the Activities seem to be there, wireless is working etc.

 

So why the error? Anything I should look for in the logs (/var/log)?

 

David Leeming

Solomon Islands 

 

_______________________________________________
Devel mailing list
Devel< at >lists.laptop.org
http://lists.laptop.org/listinfo/devel