Not getting printk output

[Vignesh Radhakrishnan]

Use pr_info() or pr_err() for getting it printed definitely as suggested.
The caveat with pr_debug() is that, messages will only be printed in case
you have dynamic debug control for that file enabled.(same goes with
printk(KERN_DEBUG ).



On Sun, Nov 23, 2014 at 6:49 PM, karthik nayak <karthik.188 at gmail.com>
wrote:

> Hello,
> Use the new macros such as pr_info(), pr_debug() and so on.
>
>
> On Sun Nov 23 2014 at 2:04:27 PM Philipp Muhoray <
> philipp.muhoray at gmail.com> wrote:
>
>>
>> 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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>> > 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
>>
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>
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