Debian ARM on Raspberry Pi


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by mArt » Sun May 13, 2012 11:47 am
Hi there,

I've been trying to compile in the gspca module (webcam), using the following steps:

GIT'ed the source down
Copied /boot/config.gz into source directory, unzipped, renamed to .config
Ran, 'make menuconfig', selected V4L2 and gspca modules.
Did a 'make modules'
Copied the .ko files to /lib/modules/3.1.9+/kernel/drivers/media/video directories.

When I tried to do a modprobe, gspca_main, I get the following error:

FATAL: Error inserting gspca_main (/lib/modules/3.1.9+/kernel/drivers/media/video/gspca/gspca_main.ko): Invalid module format

I'm a bit stuck now. Can anyone give me any pointers on how to continue?

If it helps, looking at the modinfo of gspca_main, I get the following:

filename: /lib/modules/3.1.9+/kernel/drivers/media/video/gspca/gspca_main.ko
version: 2.13.0
license: GPL
description: GSPCA USB Camera Driver
author: Jean-François Moine <http://moinejf.free.fr>
srcversion: F5A8F963C5415A8B2D1B316
depends: videodev
vermagic: 3.1.9+ mod_unload modversions ARMv6

Thanks!
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by ait » Sun May 13, 2012 4:38 pm
did you do
depmod -a
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by mArt » Sun May 13, 2012 5:46 pm
Yup, sure did. Sorry, forgot that from the list of steps taken :-)
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by Max » Mon May 14, 2012 11:05 pm
mArt wrote:When I tried to do a modprobe, gspca_main, I get the following error:

FATAL: Error inserting gspca_main (/lib/modules/3.1.9+/kernel/drivers/media/video/gspca/gspca_main.ko): Invalid module format


Try loading the module a little more forceful with "modprobe -f modulename" or "insmod /path/to/your/module.ko"
Check dmesg if it still fails.
by mArt » Tue May 15, 2012 8:29 am
Cheers Max,

I finally see some signs of something!

doing insmod, I get the following message in syslog:

gspca_main: no symbol version for module_layout

Something to go on at least :-)
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by alanrpi » Wed May 16, 2012 5:07 pm
Hello. I've been trying to get 3G USB modem to work with Raspberry Pi and Debian, but I keep getting this error in /var/log/messages

May 16 19:59:53 raspberrypi pppd[10049]: pppd 2.4.5 started by root, uid 0
May 16 19:59:55 raspberrypi pppd[10049]: Serial connection established.
May 16 19:59:55 raspberrypi pppd[10049]: Using interface ppp0
May 16 19:59:55 raspberrypi pppd[10049]: Connect: ppp0 <--> /dev/ttyUSB0
May 16 19:59:59 raspberrypi pppd[10049]: CHAP authentication succeeded
May 16 19:59:59 raspberrypi pppd[10049]: CHAP authentication succeeded
May 16 19:59:59 raspberrypi pppd[10049]: kernel does not support PPP filtering
May 16 20:00:01 raspberrypi pppd[10049]: Modem hangup
May 16 20:00:01 raspberrypi pppd[10049]: Connection terminated.

How could I have this feature?
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by error404 » Tue May 22, 2012 5:56 pm
I think you probably need the CONFIG_PPP_FILTER option enabled in your kernel.
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by marmrk » Sat May 26, 2012 2:51 pm
error404 wrote:I think you probably need the CONFIG_PPP_FILTER option enabled in your kernel.


Does this mean that the kernel must be recompiled?
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by lancethepants » Sat May 26, 2012 10:34 pm
Would like to see kernel support for ebtables if possible.
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Joined: Sun Feb 05, 2012 6:41 am
by error404 » Sun May 27, 2012 4:46 am
marmrk wrote:
error404 wrote:I think you probably need the CONFIG_PPP_FILTER option enabled in your kernel.


Does this mean that the kernel must be recompiled?

It does. IMO the Debian kernel doesn't seem to be configured very appropriately.
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by roleez » Mon Jun 04, 2012 6:26 am
gspca "kernel module is invalid" managed to eliminate errors?
I have same problem.
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