Re: Help about rtlinux HelloWorld program!

> Merry Christmas, everyone
> 
> I guess I have sucessfully installed the rtlinux on my machine,
> I can load and unload the modules now.
> But when I tried to run the hello.o example provided by rtlinux,
> I had some problems.
> It did not show the result I wished in the console window,
> it just print out lots of "elapsed_time" in the window, in the following style:
> 
> elapsed_time = 457500013472
> elapsed_time = 458000013408
> elapsed_time = 458500013216
> ...............
> 
> Anybody can tell me the reason, I guess it is not a big problem,
> I must have made some stupid mistake in somewhere.
>
I think there are only three reasons for the messages to go directly to the
console:

1) either you did not enambe 

 rtl_printf uses printk 

in the rtlinux configuration 

2) you set the kernel loglevel to a very low value and thus all kernel log messages go to the console (check the output of cat /proc/sys/kernel/printk - the first number is the default log level and it should be no lower than 3).

3) Your syslog daemon is set up to dump all kernel messages directly to /dev/console - see /etc/syslog.conf if it contains a line of the form

kern.*			/dev/console

hope that helps

hofrat
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