[Top] [All Lists]

Re: Tracing the Console

To: "John D. Davis" <johnd@Stanford.EDU>
Subject: Re: Tracing the Console
From: James Simmons <>
Date: Mon, 13 Aug 2001 16:18:36 -0700 (PDT)
Cc: Debian MIPS list <>, SGI MIPS list <>
In-reply-to: <Pine.GSO.4.31.0108131556230.21357-100000@myth1.Stanford.EDU>
> I am currently trying to trace the console on and R4400 Indy. It seems
> that everything goes through console.c using either con_write or
> con_put_char. It would be great if I could communicate with someone that
> has a thorough understanding of this code and its interaction with
> newport_con.c.  

Okay. I could explain this code if you want.

> I have put some prtink statements in and it seems that
> newport_putcs is called several more times than it should. 

Don't do that. Printk calls newport_putcs so if you have printk in
newport_putcs it will going into a endless loop. You could redirect the
console to a different tty device, say a serial console. 

<Prev in Thread] Current Thread [Next in Thread>