Hi there!
I'm having a similar problem:
First I made sure the Kernel (2.2.18) is compiled with serial.o as a
module and not belonging to the kernel image.
Next I checked serial.o is not loaded (lsmod).
Then loading of rt_com.o works fine.
But here's the problem:
When I load testcom.o from the examples belonging to rt_com and it calls
t_com_setup then the setup fails returning -EBUSY.
I also tried "setserial /dev/ttyS0 uart none", but that didn't help
either.
Might there be a problem with modules being loaded automatically?
What else could be wrong?
Thank you very much for your hints to my first question, but
unfortunately I couldn't fix my problem using them, so please help
again.
Michael C. Riedl
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