5.3-BETA3 serial console

Mike Hunter mhunter at ack.Berkeley.EDU
Wed Sep 8 09:21:40 PDT 2004

On Sep 08, "Marian Hettwer" wrote:

> I recently upgraded from 5.2.1 to 5.3-BETA2 and on 6th of September to 
> 5.3-BETA3.
> I have a problem while trying to enable the serial console. I just 
> change the line:
> ([mhettwer at ares] <~>)$ cat /etc/ttys |grep ttyd0
> ttyd0   "/usr/libexec/getty std.9600"   dialup  off secure
> from "off" to "on" and issue a "kill -HUP 1" to initalise the serial 
> console.
> After doing the SIGHUP I get a hardlock. Unfortunatly the Kernel doesn't 
> break into the debugger... it's just frozen ... no input possible, and 
> of course, no serial console available either.
> Some info's about the System I use:
> ([mhettwer at ares] <~>)$ uname -a
> FreeBSD ares.meganet.local 5.3-BETA3 FreeBSD 5.3-BETA3 #0: Mon Sep  6 
> 14:58:58 CEST 2004 
> mhettwer at ares.meganet.local:/usr/obj/usr/src/sys/GENERIC  i386
> Of course, GENERIC runs with all debugging options, nothing changed by 
> myself.
> The only way to boot my laptop (Fujitsu Siemens Lifebook C-1020) is with 
> acpi, and it looks good. See my dmesg output at 
> http://www.unixoid.de/freebsd/dmesg-5.3-BETA3.txt
> Same problem occurs when doing a "tip com1" as root. Hardlock, no 
> debugging prompt :-/
> Well, is there any way to get more information ?
> By the way: The rest of 5.3-BETA3 is doing a great job. No problems in 
> daily work yet. Unluckily I desperatly need my serial port.

Sorry this doesn't answer the question, but what's the status of using
"-h" in /boot.config instead of mucking with the /etc files?  Is that The
Wrong Way to do it or is it equivalent?  It's easier for me to remember
when setting up new boxen :)


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