Josephus
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module spi-dev

Sun Mar 22, 2015 10:09 am

During start-up, I receive the message :

fatal : module spi-dev not found

Afterwords the Pi1 will stop !!!!

:roll: :roll: :roll:

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joan
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Re: module spi-dev

Sun Mar 22, 2015 10:16 am

Which operating system? Where did you get it? Have you made changes?

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DougieLawson
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Re: module spi-dev

Sun Mar 22, 2015 10:55 am

spi-dev doesn't exist in the 3.18 kernel.
modprobe spi-bcm2708

Failing to load an optional kernel module is probably not the reason your RPi stopped.
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Josephus
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Re: module spi-dev

Sun Mar 22, 2015 11:15 am

DougieLawson wrote:spi-dev doesn't exist in the 3.18 kernel.
modprobe spi-bcm2708

Failing to load an optional kernel module is probably not the reason your RPi stopped.
I use Rasbian on the Pi1 with the Dexter GoPiGo. It functions perfect during half a year.(Terminal, Python and scratch).
After a apt-get upgrade, the system stopped. Since that event I got this message on spi-dev.

I do not know how to proceed .......

DirkS
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Re: module spi-dev

Sun Mar 22, 2015 11:39 am

Josephus wrote:I do not know how to proceed .......
If the upgrade installed the latest kernel 3.18 (you can check this with 'uname -r') then you probably have to add

Code: Select all

dtparam=spi
to /boot/config.txt

But maybe it's best to post your problem on the Dexter forum (http://www.dexterindustries.com/forum/)

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DougieLawson
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Re: module spi-dev

Sun Mar 22, 2015 11:45 am

1. Buy a new 8GB SDCard
2. Buy a USB SDCard reader (costs £1 in Poundland)
3. Build a new version of Raspbian on the new card
4. Boot from the new card
5. Insert the "broken" card in the USB reader
6. Mount the /dev/sda2 (non-NOOBS) or /dev/sda6 (NOOBS) filesystem
7. Inspect the logs and stuff in /var/log to see if you can determine the cause of the failure
Note: Any requirement to use a crystal ball or mind reading will result in me ignoring your question.

Criticising any questions is banned on this forum.

Any DMs sent on Twitter will be answered next month.
All fake doctors are on my foes list.

Romey-Rome
Posts: 13
Joined: Sun Mar 22, 2015 10:34 am

Re: module spi-dev

Fri Apr 17, 2015 1:06 am

Hello -

So how do you permanently increase the buffer size with spi-bcm2708? I don't see it having any parameters.

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joan
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Re: module spi-dev

Fri Apr 17, 2015 8:09 am

Romey-Rome wrote:Hello -

So how do you permanently increase the buffer size with spi-bcm2708? I don't see it having any parameters.
It's probably best to create a new post for a new question. It gets its own title so people know to look at the post if they are interested or can help.

That said, I didn't realise the SPI module had a configurable buffer. The user supplies a buffer of an appropriate size for the data to be read/written.

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