Not getting printk output

[Philipp Muhoray]

Am 2014-11-23 um 06:58 schrieb Mayank:
> Hi,
> 	I am trying to print something to the kernel debug log level using
> printk, but while using dmesg i am not getting the output on the
> console. My /proc/sys/kernel/printk setting is 4 4 1 7.
> Please help
>
> Thanks,
> Mayank
>
>
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Hello,

Does your string end with the newline character '\n'? Otherwise your 
output will not be flushed immediately (it remains in the buffer). So try

     printk(KERN_DEBUG "Hello World!\n");

Maybe that helps.

br,
phil