Re: [proaudio] FATAL: Error inserting realtime module

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Brad Fuller wrote:
Dominique Michel wrote:
Le Fri, 23 Mar 2007 14:20:15 -0700,
Brad Fuller <brad@xxxxxxxxxxxxxx> a écrit :

I'm following the directions on the wiki for the RT kernel at:
http://proaudio.tuxfamily.org/wiki/index.php?title=Realtime_%28RT%29_Kernel

and I'm at the point of modprobe'ing the realtime module:
# modprobe realtime gid=18

But, I receive this error:

FATAL: Error inserting realtime
(/lib/modules/2.6.16-rt29-tglx4/extra/realtime.ko): Invalid module format--

I've seen some messages after googling that the module might be compiled
with a different version of the compiler, but I compiled the kernel and
then the module seconds later. Does anyone know what this is and how to
fix it?

thanks,
brad



Sometime, a simple reboot can fix it. But more generally, it mean at something
goes wrong when compiling the kernel or the realtime-lsm. It can append
sometime when you modify the config and recompile the kernel. It is
recommended in such cases to run mrproper as explained in the README in the sources. For that, move your .config in another directory as the kernel sources (it will be erased otherwise), issue a "make mrproper", move back the .config
file, run

make oldconfig; make

remove /lib/modules/2.6.16-rt29-tglx4

run "make modules_install and reinstall the kernel. Reinstall
the realtime-lsm.

If you are lucky, it will be enough to remove /lib/modules/2.6.16-rt29-tglx4,
"make modules_install" and reinstall the realtime-lsm.

Be sure at /usr/linux point on the right kernel sources too.

Thanks Dominique. That did indeed get rid of the error.
# modprobe realtime gid=18

came back with no problem.

But, another one cropped up!

# modprobe commoncap
FATAL: Error inserting commoncap (/lib/modules/2.6.16-rt29-tglx4/kernel/security/commoncap.ko): Invalid module format

I found the problem with this, I loaded realtime module first and so commoncap wouldn't load. I unloaded realtime

# rmmod realtime

and the loaded commoncap

# modprobe commoncap

and commoncap loaded. Unfortunately, I'm back to where I started, I can' t load realtime module, I rcv the same error as above.

This makes me think of two possible problems: the order of loading the modules are incorrect or commoncap and realtime are mutually exclusive.

Any thoughts?





--
brad fuller
www.bradfuller.com
+1 (408) 799-6124




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