"printk" does not print

[Ing.Gianfranco Morandi]

Hi to all,

I'm trying to trace the execution path of a custom ISDN driver, and I have
used some printk() instructions to give some messages out.

Now, everything is going well, but when I try to open the ttyI0 device (or
ttyIx it is the same) the printk() that I have placed into the file
isdn_tty.c does not print any messages. I am sure that such procedure has
been executed because I have placed a breakpoint on the "isdn_tty_open()"
and the program stopped.

Anybody has an idea what happens?

many thanks

Gianfranco


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