I have also tested, build KO file using your C file, on my kernel and it is working fine. The kernel version is 3.2.11
Why don't you try any other kernel version and see whether you are getting same error or not? I guess, it works. Regards, Srinivas G On Fri, Sep 6, 2013 at 10:22 AM, <binoy.ja...@wipro.com> wrote: > Hi all, > > I use the kernel version "3.10.0-4" that came with Ubuntu distribution. > When I compile the example module I got from LKMPG (hello-5.c) and try to > load the driver by passing the module with the following command, it gives > the following error: > > # insmod parameter.ko mystring="bebop" > Error: could not insert module parameter.ko: Unknown symbol in module > > Error in dmesg: > > [ 3687.132110] parameter: Unknown parameter `mystring' > > However, if I insert the module without any parameters, it gets inserted > just fine. > > # insmod parameter.ko > > I am attaching the source code for reference. Kindly let me know what > could be done. > > Thanks, > Binoy > > > > > > > > > > > > > > > > Regards, > Binoy Jayan > WIPRO TECHNOLOGIES > | Electronic City 5 > | > Bangalore > | Mob: > +91-9742870916, > +91-9745783048 > > > > > > > > > > > > > > > > > > > > Please do not print this email unless it is absolutely necessary. > > The information contained in this electronic message and any attachments > to this message are intended for the exclusive use of the addressee(s) and > may contain proprietary, confidential or privileged information. If you are > not the intended recipient, you should not disseminate, distribute or copy > this e-mail. Please notify the sender immediately and destroy all copies of > this message and any attachments. > > WARNING: Computer viruses can be transmitted via email. The recipient > should check this email and any attachments for the presence of viruses. > The company accepts no liability for any damage caused by any virus > transmitted by this email. > > www.wipro.com > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > >
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