Richard Woodham | 6 Jul 14:54 2015

SD card filesystem errors

I have an executable (running as a daemon) on the Gunstix SD card which (through the magic of Gstreamer) grabs frames from a BT656 video source, encodes to jpeg format & then saves the image on the SD card (on a separate partition for stored images).  Amongst the issues we have with capturing these stills, we occasionally generate files system errors, along the lines of:

 

[   43.721679] EXT2-fs (mmcblk0p3): error: ext2_lookup: deleted inode referenced: 509

find: 2015-07-06_12-22-00_0.jpg: Input/output error

 

I can clear the errors from the console with e2fsck but that is far from ideal.

 

I have seen email traffic concerning the mounting of the SD card, making it more robust against vibration, but my unit is just sat on the bench. 

 

Does anyone have any experience of similar errors?  If so, how do I fix it?

 

The SD cards are 16GB & speed rating of 4, which I believe is more than adequate.

 

Regards,

Richard

 

Richard Woodham

 

Thermoteknix Systems Limited
Teknix House, 2 Pembroke Avenue, Waterbeach, Cambridge CB25 9QR, England
Tel. +44 1223 204037

Fax  +44 1223 204001

webpage: www.thermoteknix.com

 

The Queen's Award for Enterprise 2015: Innovation

 

Thermoteknix Systems Ltd is an ISO 9001:2008 certified company registered in England and Wales. Registered number: 01624251.

Registered office: 6th Floor, Cardinal House, 20 St Mary's Parsonage, Manchester M3 2LG

 

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Luiz HA Correia | 4 Jul 23:52 2015
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C/C++ compilers

Hi guys,

Recently bought a Gumstix FireStorm-P with a Tobi Board.
I am using the kernel Linux overo 3.5.7-yocto-standard - armv7l 
GNU/Linux installed in the Gumstix. I have searched the solution in this 
list, which indicated install the packagegroup-core-sdk.
When I try install this packet occurs the errors:
error: 'packagegroup-core-sdk' matches no packages. Suggestions:
error:     packagegroup-core-x11-dbg-1.0-r38 <at> all
error:     packagegroup-core-x11-1.0-r38 <at> all
error:     packagegroup-core-x11-dev-1.0-r38 <at> all
error:     packagegroup-base-3g-1.0-r76 <at> overo
error:     packagegroup-base-nfc-1.0-r76 <at> overo
error:     packagegroup-base-1.0-r76 <at> overo
error:     packagegroup-core-boot-1.0-r11 <at> overo
error:     packagegroup-base-nfs-1.0-r76 <at> overo
So, I installed all  these packets but continue the error (my network 
don't have firewall or proxy).
Please, can somebody  help to install the c/c++ in the Gumstix?

-- 
Thank advance

------------------------------------------------
Prof. PhD Luiz Henrique Andrade Correia
Federal University of Lavras - UFLA
Department of Computer Science
Fone/Fax:  35 3829 1545
e-mail: lcorreia  <at>  dcc.ufla.br (without blanks space)
http://www.dcc.ufla.br/~lcorreia
Postal address:
Federal University of Lavras - UFLA
Departament of Computer Science - DCC
P.O. Box 3037 - Campus da UFLA
CEP 37200-000 - Lavras-MG - Brazil
------------------------------------------------

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Vishalkumar Maroorkar | 3 Jul 18:04 2015
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bluetooth dongle not detecting

Hi,

When I connect bluetooth dongle to USB Host of Gumstix Tobi and am using Over Earthstrom COM runing Yocto linux 1.7.1 (dizzy).

Using "lsusb" command the bluetooth dongle doesn't detect.

please suggest me on this.

Thanks,
Vishal
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Chris Whittenburg | 2 Jul 16:09 2015
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Anyone have the ADC working in dizzy?


I looked at it a little bit, but didn't have any immediate success...  Does anyone else have the twl4030 analog to digital converters working with the current kernel?  

It looks like we need to enable a few kernel config options like TWL4030_MADC and SENSORS_TWL4030_MADC, which then gives us entries in /sys/bus/iio/devices/iio:device0, but then maybe we also need to enable the 3v1 regulator to actually make them work?

Thanks,
Chris
 
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Vishalkumar Maroorkar | 2 Jul 15:27 2015
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openssl, c-ares and libuuid

Hi Ash,

Can you please tell me which rpm's contains these (openssl, c-ares and libuuid) packages in Gumstix package resource for dizzy build.

These are required for some application build, like mosquitto.


Thanks,
Vishal
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Niek Kooij | 30 Jun 13:49 2015

strip yocto kernel modules

Hi,

 

When building a image using yocto the kernel modules are not stripped. How can I strip them so they don’t use so much space?

 

Greetings Niek

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Gartner, Alexander Joseph | 29 Jun 23:10 2015
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Gumstix Overo with Ubuntu 15.04

I’ve been trying to get Ubuntu 15.04 (https://catalina.gumstix.com/binaries/2082/) running on my Gumstix Overo on a Tobi board. I seem to be having some memory issues or something, but I can’t tell exactly what’s going on. It seems whenever a process uses too many resources, the kernel panics.

 

Here’s (https://gist.github.com/gartnera/da340fa14d6df317d7a4) a copy of my serial output and journal. Any thoughts?

 

Thanks,

Alex Gartner

Sandia National Labs

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Andrew C. Smith | 29 Jun 15:25 2015

Re: Calibrate Radio with Aerocore 2

Hi Rodrigo,

Please subscribe to the sourceforge mailing list so that your questions and
responses get sent to the mailing list.  I didn't know this question had
been posted until I came to Nabble to respond to another question.

OK, radio calibration.  For the Spektrum receivers you need to make sure the
transmitter and receiver are bound.  Theoretically you should be able to
find using QGroundcontrol but I haven't thoroughly tested it and have found
it's a bit finicky.  I would suggest (since you have one) using the AR8000.

As I re-read your post, looks like you've got the two bound ... so I'll skip
that part (for others, look to Spektrum manual for instructions on binding). 
To get the calibration working, you need to tell the AeroCore that you're
using a Spektrum receiver.  To do that, you'll need to make the following
parameter changes:

AEROCORE_RC -> 2

Also, just to make sure you're using current AeroCore firmware, did you
flash the firmware using QGroundcontrol (automatically identifies and
downloads firmware for you)?

This parameter change should have been noted in the manual but it might have
been overlooked because we're in the process of updating this driver and
getting it pushed upstream.

Andrew

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mrphaell | 29 Jun 15:02 2015
Picon

Chestnut43

Hi guys,

Recently, I bought an Overo Firestorm-P, a board Chestnut43 and a display
Samsung.
I have installed Ubuntu and others images systems, but I didn't have
success.
I would like to know which images I can install.
Can you indicate me a image or a method to install it?

Thank advance

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kris duff | 26 Jun 19:46 2015
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git repository, what is the logic behind the tags

Hello,

I want to keep my meta solution up to date with the different release of yocto / poky.

To keep an history of my changes, I want to tag my work and store with which version of poky my tag can work. But, I does not understand what is the logic behind the different tags of the project.

For now, I work with dizzy. Poky version is 1.7.2.

Using repo, which branch / tag should I load (using -b refs/tags/... flag) to be sure the work I tested today will work with the version of poky in the gumstix repo ?

- 1.7_m3 ?
- yocto-1.7.2 ?
- another one ?

Thank you

Kris
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Scott Ellis | 25 Jun 19:38 2015

Duovero 4.1 kernel system with Qt 5.4

Here's a Yocto meta-layer to build a Duovero system using a 4.1 kernel.

  https://github.com/jumpnow/meta-duovero

Qt 5.4.2 is included in the qt5-image with a sample test app.

I tested AP mode with the Zephyrs and that appears to be working fine.

For spidev users, this patch might be of interest

 
https://github.com/jumpnow/meta-duovero/blob/fido/recipes-kernel/linux/linux-stable-4.1/0001-spidev-Add-generic-compatible-dt-id.patch

This is to work around a change to the spidev module discussed in this
thread
among others out there

  http://lkml.iu.edu/hypermail/linux/kernel/1504.3/01019.html

I suspect a better solution is forth-coming from upstream as more users
encounter this definitively pedantic change. 

There are two spidev dtsi files included, one for SPI1 and SPI4 off the
Parlor header. 
They can be included independently to your dts.

 
https://github.com/jumpnow/meta-duovero/blob/fido/recipes-kernel/linux/linux-stable-4.1/0002-duovero-Add-spi1-spidev-dtsi.patch

 
https://github.com/jumpnow/meta-duovero/blob/fido/recipes-kernel/linux/linux-stable-4.1/0003-duovero-Add-spi4-spidev-dtsi.patch

A test program for spidev (spiloop) is included in the images.

Fuller instructions for building the layer are here

  http://www.jumpnowtek.com/yocto/Duovero-Systems-with-Yocto.html

Still a sysvinit system.

I've only tested a few days and haven't looked at Bluetooth at all.

Feedback welcome.

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Gmane