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pegasos II boot over serial console?


I'm trying to boot NetBSD 5.0 on a Pegasos II over a serial console. The boot process stops (or at least nothing more is shown) after 'pegasospci0 at mainbus0'. The initial announcement of ofppc booting on a Pegasos II had 'Switching to COM console at speed 9600' right after this. I'm wondering how to configure a kernel to successfully use the serial console?

I've tried to add to the GENERIC kernel configuration

options         CONSDEVNAME="\"com\"",CONADDR=0x3f8,CONSPEED=9600

with variations of 2f8 and 115200. Do one need to do other changes as well?

Currently, a cross-compiled kernel gives the output shown below.


ok boot netbsd-ofppc
WARNING: add memory segment 10000000 - 20000000,
WARNING: which was not recognized by the Firmware.
[ Kernel symbol table missing! ]
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 5.0 (MYKERNEL) #1: Tue Jun  2 15:44:39 UTC 2009
Model: Pegasos2
total memory = 512 MB
avail memory = 482 MB
mainbus0 (root)
rtas0 at mainbus0: version 1, entry @pa 0x559000
cpu0 at mainbus0: 750 (Revision 3.1), ID 0 (primary)
cpu0: HID0 8090c0ac<EMCP,DOZE,DPM,ICE,DCE,SGE,BTIC,ABE,BHT>, powersave: 1
cpu0: 600.00 MHz, 512KB WB with ECC L2 cache
cpu0: L1 I-cache 32 KB 32B/line, D-cache 32 KB 32B/line
cpu0: L2 cache 128 KB 32B/line
pegasospci0 at mainbus0

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