error : insmod

sunil sunil.slvphsn at gmail.com
Mon Feb 11 06:20:45 EST 2013


Hi kristof,

when i executed the below line. i din't get what i suppose to
get...the message "hello, world"..

did i miss any steps
sunil at ubuntu:~/test/drive$ sudo insmod helloworld.ko


On Mon, Feb 11, 2013 at 4:34 PM, Kristof Provost <kristof at sigsegv.be> wrote:
> On 2013-02-11 16:24:17 (+0530), sunil <sunil.slvphsn at gmail.com> wrote:
>> Have a look at this:
>>
>> donno wats happening:
>>
>> sunil at ubuntu:~/test/drive$ sudo rmmod helloworld
>> sunil at ubuntu:~/test/drive$ lsmod|grep hellow*
>> Binary file helloworld.ko matches
>> Binary file helloworld.o matches
>
> This doesn't actually do what you seem to think it does.
> You're not passing the 'hellow*' argument to grep. The 'hellow*' is
> first expaned by your shell, so it probably turns that command line into
> 'lsmod | grep helloworld.c helloworld.o helloworld.ko'.
> Try using 'lsmod | grep hellow' instead (i.e. without the *).
>
>> sunil at ubuntu:~/test/drive$ modprobe -r helloworld
>> FATAL: Module helloworld not found.
>
> Obviously, because your previous command succeeded. The module is no
> longer loaded.
>
> Regards,
> Kristof
>
> PS: Please don't top-post.
> PS 2: Please keep the mailing list in cc.
>



-- 

Regards,
Sunil A S



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