Hi Richard,
thank you for your support, you helped me a lot.
rcetherlab didn't start at boot because I forgot to set the math-flag in
rtai-config file.
Module rtai_math.ko did not exist.
Now it works!
Thomas
Richard Hacker <h...@igh-essen.com> hat am 11. Februar 2011 um 13:36
geschrieben:
> Hi,
>
> On Friday 11 February 2011 10:29:01 Thomas Specker wrote:
> > Hello,
> >
> > I try to build a kernel module with Etherlab and Matlab/Simulink, but I
> > have some problems with it.
> > I can build a module, but I get an error trying insmod it.
> >
> > I checked the compiler versions, but they seem to match.
> >
> > While the build is running I get different errors and warnings.
> >
> > The first error looks like that....
> >
> > gmake[1]: Betrete Verzeichnis '/usr/src/linux-2.6.28.7'
> > test -e include/linux/autoconf.h -a -e include/config/auto.conf || (
> > \ echo; \
> > echo " ERROR: Kernel configuration is invalid."; \
> > echo " include/linux/autoconf.h or include/config/auto.conf are
> > missing."; \
> > echo " Run 'make oldconfig && make prepare' on kernel src to
> > fix it."; \
> > echo; \
> > /bin/false)
> I think that you do not have a clean installation. Please configure your
> system as documented.
>
> >
> > I have no idea why the KERNEL configuration should be invalid, the
> > rtai-kernel is running fine,
> > ethercat is running and I can also load the ethercat-rtai-example-module.
> > autoconf.h and auto.conf are both in the expectet directories.
> >
> > then I get a lot of warnings....
> >
> > WARNING: "ecrt_master_receive"
> > [/opt/etherlab/rtw/etherlab/etherlab_test_etl_rtw/etherlab_test_kmod.ko]
> > undefined!
> > ...
> > WARNING: modpost: Found 6 section mismatch(es).
> Please ignore these warnings
>
> > insmod: error inserting 'etherlab_test_kmod.ko': -1 Unknown symbol in
> > module
> >
> > dmesg says...
> >
> > [ 3778.154227] etherlab_test_kmod: Unknown symbol stop_rt_app
> > [ 3778.155568] etherlab_test_kmod: Unknown symbol rt_var_exit
> > [ 3778.167379] etherlab_test_kmod: Unknown symbol start_rt_app
> Maybe ther etherlab subsystem is not started:
> rcethercat start
> rcetherlab start
>
> - Richard
>
> --
> ------------------------------------------------------------------------
>
> Richard Hacker Amtsgericht Essen HRB 11500
> Ingenieurgemeinschaft IgH USt-Id.-Nr.: DE 174 626 722
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> richard.hac...@igh-essen.com http://www.igh-essen.com
>
> ------------------------------------------------------------------------
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