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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: penguin@wombat.ca (Craig), linux-kernel@vger.kernel.org
Subject: Re: Serial Console changes in linux 2.4.15??
In-Reply-To: <E16cwTv-00073S-00@the-village.bc.nu>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: 18 Feb 2002 21:49:53 -0700
In-Reply-To: <E16cwTv-00073S-00@the-village.bc.nu>
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Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

> > If i manually put the lines back (the "#if 0" and "#endif"), then my serial
> > console works just fine.
> 
> Except that you broke serial support for CREAD control
> 
> > Did someone submit serial.c with the "#if 0" lines removed by accident?
> 
> No
> 
> > My other question is: Why does this break the serial console?
> 
> Your user space is buggy I think, and didn't set CREAD

Old versions of /sbin/init are broken and clear CREAD.  Most getty's (except
mingetty) do the right thing.  I saw the change at 2.4.2 -> 2.4.3.  I
don't why some people have managed to avoid it for longer periods of
time.

The great mystery is how /sbin/init managed to work in 2.4.2....

Eric
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