Version dump module symvers



Keywords: version dump module symvers
Description: Specifically what the problem is that when you built your module, the kernel source tree was probably missing the Modules.symvers file. The kbuild system actually warns you about this when you build

Specifically what the problem is that when you built your module, the kernel source tree was probably missing the Modules.symvers file. The kbuild system actually warns you about this when you build your module. If Modules.symvers is missing, you'll see:

Warning: Symbol version dump /usr/src/linux-2.6.34-12/Modules.symvers is missing; modules will have no dependencies and modversions.

If your kernel has CONFIG_MODVERSIONS enabled, then during the modpost phase of building your driver it will run scripts/mod/modpost with the -m option. If you're brave and take a look at the scripts/mod/modpost.c source, you'll see that the -m option adds the _module_layout_ symbol from vmlinux, however if you don't have Modules.symvers from your kernel, you'll not get the CRC value for this symbol and you'll end up with this error message.

1) run a full build of your running kernel to generate Modules.symvers, then rebuild your module. [http://www.mjmwired.net/kernel/Documentation/kbuild/modules.txt][1]

2) The other option is to tell stupid modprobe to just ignore all that crap and just load your module anyways:




Photogallery Version dump module symvers:


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