Messages in this thread | | | Date | Mon, 01 Feb 1999 20:48:46 +0100 | From | Robert Schiele <> | Subject | Problem with ttyS0 on Linux 2.2.1 |
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I have the following problem with ttyS0 on Linux 2.2.1(i686):
My Kernel seems to boot correctly. It shows correct IRQ, correct base address and correct UART for both serial devices, but after booting, any software (e.g. minicom) does not connect to the modem. With kernel 2.0.36 it does under the same configuration. As I said there is no error message on booting and there is no error message on syslog. I tried both compiling serial support as module and compiling it hard into the kernel, nothing worked. One strange thing I have seen, but I'm not sure, if this was vital: /proc/tty/drivers says:
serial /dev/cua 5 64-67 serial:callout serial /dev/ttyS 4 64-67 serial pty_slave /dev/pts 136 0-255 pty:slave pty_master /dev/ptm 128 0-255 pty:master pty_slave /dev/ttyp 3 0-255 pty:slave pty_master /dev/pty 2 0-255 pty:master serial /dev/cua 5 64-67 serial:callout serial /dev/ttyS 4 64-67 serial /dev/tty0 /dev/tty0 4 0 system:vtmaster /dev/ptmx /dev/ptmx 5 2 system /dev/console /dev/console 5 1 system:console /dev/tty /dev/tty 5 0 system:/dev/tty unknown /dev/tty 4 1-63 console
As you can see /dev/cua and /dev/ttyS is twice in the list! Is this normal?
Does somebody know this problem, or better: Does somebody know a solution? Or is it just a simple fault of mine, that I missed doing some configuration changes when upgrading to 2.2.x kernel? (A kernel boot parameter?)
Greetings, Robert Schiele
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