printk is not my friend

[manoj.iyer at canonical.com]

So if you ran dmesg it shows you nothing as well?

On Mon, 5 Apr 2010, Charles Brown wrote:

> i'm sorry to bother you with this, but i've been chasing my tail through
> LDD3 and forum posts for hours with no luck, so i figure ask some
> experts. i have a typical 'hello world' module, on off-the-shelf ubuntu
> karmic, and can not get it to printk anything, anywhere, anyhow. i
> assume my problem is trivial, but i can't find it.  i've tried;
>
> static int __init init(void) {
>     printk(KERN_DEBUG "Hello, world\n");
> }
> module_init(init);
>
> static void __exit exit(void) {
>     printk(KERN_DEBUG "Goodbye, cruel world\n");
> }
> module_exit(exit);
>
>
>
> apt-get install klogd,
> echo 7 > /proc/sys/kernel/printk
> /etc/init.d/sysklogd restart
>
> every flavor of printk(KERN_DEBUG/CRIT/EMERG/INFO/ALERT
>
> and more things from various forums posts
>
> all the while with a tail -f /var/log/kern.log running.
>
> is there a step-by-step for 'hello world' someplace? suggestions?
>
> --CB
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