 | | | kernel-module mismatch | kernel-module mismatch 2004-08-05 - By Mir Muzaffar Ali
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Hi,
I'm relative new to linux and I've just started module programming following
the Alessandro Rubini and Jonathan Corbet "Linux Device Drivers" book for
kernel 2.4. I have got Redhat 9.0 installed on my system. I try to use
"insmod" to insert a module called hello.o, however the system returns a message
hello.o: kernel-module version mismatch.
hello.o was compiled for kernel version 2.4.20
while this kernel is 2.4.20-8custom
In the book it is mentioned that it would be better to recompile the kernel
without the version support for modules. I believe I did the right thing by
simply changing the option of "loadable module support -> set version
information on all module symbols" from y to n. I ran "make xconfig" and
followed the steps carefully listed in the Red Hat documentation CD plus the
steps listed on Alessandro's website and as you can see from the message I
booted the recompiled custom kernel without any problems.
I don't know if this information is pertinent as well but I typed the following
"gcc --version" and I got
"gcc (GCC) 3.2.2.20030222 (Reh Hat Linux 3.2.2-5)" followed by some text. I
believe my compiler is ok. Could someone please help me out? Is what I did
the thing to do or was I suppose to do something else in order to remove
version support?
Mir
__ ____ ____ ____ ____ ____ ____ ____ ____ ____ __
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<DIV>
<DIV>Hi,</DIV>
<DIV> </DIV>
<DIV>I'm relative new to linux and I've just started module programming
following the Alessandro Rubini and Jonathan Corbet "Linux Device Drivers" book
for kernel 2.4. I have got Redhat 9.0 installed on my system. I try
to use "insmod" to insert a module called hello.o, however the system returns a
message </DIV>
<DIV> </DIV>
<DIV>hello.o: kernel-module version mismatch.</DIV>
<DIV>hello.o was compiled for kernel version 2.4.20</DIV>
<DIV>while this kernel is 2.4.20-8custom</DIV>
<DIV> </DIV>
<DIV>In the book it is mentioned that it would be better to recompile the
kernel without the version support for modules. I believe I did the right
thing by simply changing the option of "loadable module support -> set
version information on all module symbols" from y to n. I ran "make
xconfig" and followed the steps carefully listed in the Red Hat documentation
CD plus the steps listed on Alessandro's website and as you can see from
the message I booted the recompiled custom kernel without any problems.</DIV>
<DIV> </DIV>
<DIV>I don't know if this information is pertinent as well but I typed the
following</DIV>
<DIV> </DIV>
<DIV>"gcc --version" and I got</DIV>
<DIV> </DIV>
<DIV>"gcc (GCC) 3.2.2.20030222 (Reh Hat Linux 3.2.2-5)" followed by some text.
I believe my compiler is ok. Could someone please help me out? 
; Is what I did the thing to do or was I suppose to do something else in order
to remove version support?</DIV>
<DIV> </DIV>
<DIV>Mir</DIV></DIV><p>__ ____ ____ ____ ____ ____ ____ ____ ____ ____ __<br>Do
You Yahoo!?<br>Tired of spam? Yahoo! Mail has the best spam protection around
<br>http://mail.yahoo.com
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