printk and kernel log

[Valdis.Kletnieks at vt.edu]

On Thu, 27 Jun 2013 18:08:09 +0300, Kevin Wilson said:

> Jun 24 03:43:06 localhost kernel: [ 1858.148661] in my_func1
>
> where is the "localhost" from ?

That's added by your syslog daemon (whatever that might be). It's
basically the value returned by /bin/hostname

> machines on which the hostname appeared instead of localhost

That's because they had hostname set to something else, and you have it
set to 'localhost'

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