printk problems

Benjamin Herrenschmidt benh at
Thu Nov 4 09:56:21 EST 2004

On Wed, 2004-11-03 at 12:13 -0800, Arrigo Benedetti wrote:
> For some reason I can't get printk() to work on a YDL 4.0 system. I have 
> followed all the instructions, like
> setting the correct log level in /proc/sys/kernel/printk, killing klogd 
> and then
> cat /proc/kmsg
> but I do not see any message from printk. The printk is in a new kernel 
> system call that I wrote.
> Any ideas?

Are you sure you are reaching your syscall at all ? Besides, why are you
adding a syscall in the first place ? (just curious ... it's usually the
wrong solution :)


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