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SubjectRe: serial console problems with 2.4.4

On Wed, 02 May 2001 11:54:11 +0200
Reto Baettig <baettig@scs.ch> wrote:

> Hi
>
> I just installed 2.4.4 on our alpha SMP boxes (ES40) and now I have
> problems with the serial console:

I get same kind of problem when upgrading from 2.4.2 to 2.4.3 and using
busybox as init/getty

The problem was a bug in busybox. The console initialisation code was
not correct.
>
> sulogin does not accept input from the serial line
> mingetty does not accept input from the serial line
> agetty works fine

So this this probably a sulogin/mingetty problem. They should set the
CREAD flag in your tty c_cflag.

the patch for busybox repalced the line
tty.c_cflag |= HUPCL|CLOCAL
by
tty.c_cflag |= CREAD|HUPCL|CLOCAL

Hope this help.

--
Fabrice Gautier <gautier@email.enstfr>

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