On 6/3/08, Wenhua Zhao <whzhao@xxxxxxxxx> wrote:
>
> Hi,
>
> >
> > i was trying this with the "hello world" module
> >
> > -----8<---------------
> > /*
> > * hello-1.c - The simplest kernel module.
> > */
> > #include <linux/module.h> /* Needed by all modules */
> > #include <linux/kernel.h> /* Needed for KERN_INFO */
> > int init_module(void)
> > {
> > printk(KERN_INFO "Hello world 1.\n");
> > /*
> > * A non 0 return means init_module failed; module can't be loaded.
> > */
> > return 1;
> > }
> > void cleanup_module(void)
> > {
> > printk(KERN_INFO "Goodbye world 1.\n");
> > }
> > ---8<----------------------
> >
> > But when i try to get modinfo, its fail to find the module:-
> >
> > localhost:/home/adil/module/sample # insmod hello-1.ko
> > localhost:/home/adil/module/sample # modinfo hello-1
> > modinfo: could not find module hello-1
> > localhost:/home/adil/module/sample # lsmod | grep hello
> > hello_1 1280 0
> > localhost:/home/adil/module/sample # rmmod hello_1
> > localhost:/home/adil/module/sample # lsmod | grep hello
> > localhost:/home/adil/module/sample #
> >
> > Am i missing anything?
> >
> Can you load the module with modprobe? If modprobe cannot find
> the module, neither can modinfo.
>
> The module should be put into system module directory and do
> depmod -a
Oops, my mistake.
Now its giving the desired result.
Thanks for your help.
>
> Regards,
> Wenhua
>
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