"printk" does not print

Bret Indrelee Bret.Indrelee at qlogic.com
Tue Mar 4 01:46:22 EST 2003


On Mon, 3 Mar 2003, Ing.Gianfranco Morandi wrote:
> 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?

You probably neglected to set a KERN_ level.

See if they are in your dmesg or messages file, you might be sending them
to syslog but not the screen.

-Bret

--
Bret Indrelee                 QLogic Corporation
Bret.Indrelee at qlogic.com      6321 Bury Drive, St 13, Eden Prairie, MN 55346


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