From: root <gunther.mayer@gmx.net>
To: linux-kernel@vger.kernel.org
Subject: Re: Console output for debugging
Date: Wed, 23 Jan 2002 19:09:08 +0100 [thread overview]
Message-ID: <3C4EFC44.2FE720B0@gmx.net> (raw)
In-Reply-To: <3C4DF2AD.66BC3F6C@cicese.mx> <a2ksul$6v5$1@cesium.transmeta.com>
"H. Peter Anvin" wrote:
> Followup to: <3C4DF2AD.66BC3F6C@cicese.mx>
> By author: Serguei Miridonov <mirsev@cicese.mx>
> In newsgroup: linux.dev.kernel
> >
> > Q: Is there any function in the kernel which I can call
> > safely from a module to print debug message on the console
> > screen?
> >
> > I don't want to use printk for some reasons. One of them is
> > that I want messages to appear on the screen immediately,
> > even from interrupt processing routines. Another is to be
> > able to see messages until the system freezes completely in
> > case of software or hardware bug.
> >
>
> Use printk.
But beware of some ioctls to which at least Suse defaults,
these can intercept the direct output to the console (and
let syslogd emulate the console output).
next prev parent reply other threads:[~2002-01-23 18:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-22 23:15 Console output for debugging Serguei Miridonov
2002-01-22 23:31 ` Dave Jones
2002-01-22 23:34 ` H. Peter Anvin
2002-01-23 18:09 ` root [this message]
2002-01-22 23:42 ` Andrew Morton
2002-01-23 18:02 ` Serguei Miridonov
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