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SubjectRe: Dependant modules question
Richard B. Johnson wrote:
> Did you execute `depmod -a` after putting your modules into the
> default directories and their information into /etc/modules.conf ?
>
> Example:
> /etc/modules.conf
> alias char-major-177 module-a # First to load
> alias char-major-177 module-b # Second to load
> alias char-major-177 off # All done
>
>
> # cp module-a.o /lib/modules/`uname -r`/kernel/drivers/char
> # cp module-b.o /lib/modules/`uname -r`/kernel/drivers/char
> # depmod -a
>
> The first time anybody tries to access a device with the major
> number of 177, its modules will be loaded in the correct order
> by modprobe.
>
> Cheers,
> Dick Johnson
> Penguin : Linux version 2.4.26 on an i686 machine (5570.56 BogoMips).
> Note 96.31% of all statistics are fiction.

Sure, I did. That works fine if A is built in the kernel tree (i.e. the
sources of A stays there), not when both A and B are external modules.

Actually, the problem is a bit different: compiled B know nothing about
A and doesn't reffer to it, so depmod and friends can't help. Ever if A
already loaded, B refused to load (can't find the symbols). I suspect, I
need to add something in the Makefile of A/B/both. But what?

Thanks,
Vlad

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