On Wed, 13 Nov 2002 15:23:23 -0800,
"Chess ForFun" <chessforfun@xxxxxxxxxxx> wrote:
Please do not use HTML on this list, plain text is much better.
>I have installed latest kdb patches for 2.4.19 kernel and kdb seems to
>be working fine on both machines. But when I try to debug from a serial
>console, I can't get into the debugger. I tried hitting CTRL-A, send a
>break key using kermit and minicom, nothing seems to work.
>COM1 port of debug machine is connected to another linux machine's
>COM1 port. If I do "ls > /dev/ttyS0" then output comes there. I can
>also get lilo output on serial console. This confirms that serial
>console is working fine.
>Does this combination work for anyone?
>Any tips?
You have to have a user space program reading from the serial port.
Otherwise the linux serial code does not look at any characters coming
down the line, this is a restriction of the linux serial layer. My
/etc/inittab contains
co:2345:respawn:/sbin/agetty -L ttyS0 38400 vt100
|