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From: philipp.muhoray@gmail.com (Philipp Muhoray)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Not getting printk output
Date: Sun, 23 Nov 2014 09:21:52 +0100	[thread overview]
Message-ID: <54719920.3030806@gmail.com> (raw)
In-Reply-To: <1416722297.12698.2.camel@mayank-Lenovo-Z50-70>


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
>
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

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

  parent reply	other threads:[~2014-11-23  8:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-23  5:58 Not getting printk output Mayank
2014-11-23  7:06 ` karthik nayak
2014-11-23  8:21 ` Philipp Muhoray [this message]
2014-11-23 13:19   ` karthik nayak
2014-11-27 17:22     ` Vignesh Radhakrishnan

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