Red Hat Bugzilla – Bug 13846
Shutdown hangs with serial console and no cable
Last modified: 2014-03-16 22:14:48 EDT
I have setup a system with serial console and when running the following
command when there is no serial cable connected:
The system is not rebooted. It seems to be waiting for the getty to die.
Killing the getty continues the reboot process.
I have the following in my /etc/inittab:
# Serial console
S2:12345:respawn:/sbin/getty ttyS0 9600 vt100
any my kernel is booted with arguments:
Not sure what is the cause of this problem.
I looked a bit into this.
This only happens if serial console is the primary console (the last
Using 9600 in getty is bad. See /etc/gettydefs. CRTSCTS flow control is being
used. This isn't usually what you want with serial consoles.
Switch to DT9600 (Dumb Terminal) to get this to work properly.
Still an "issue" in Rawhide as of 19 Jul 2000.