kernel not bootable today?

Andrew Gallatin gallatin at cs.duke.edu
Mon Jul 19 08:28:56 PDT 2004


OK, now I'm really confused..  I thought I narrowed it down
to your elf_machdep.c changes (which is confusing, as I'm not loading
any modules).  I added some printfs, and the resulting kernel boots
just fine.

Is it possible there is some sort of size or alignment issue?

On a related note, I don't think that the linker file
is still unused in  elf_cpu_load_file().

Drew

PS: Here is my kernel config for reference

#
# GENERIC -- Generic kernel configuration file for FreeBSD/powerpc
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
#    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files. 
# If you are in doubt as to the purpose or necessity of a line, check first 
# in NOTES.
#
# $FreeBSD: src/sys/powerpc/conf/GENERIC,v 1.37 2004/07/18 09:03:12 maxim Exp $

machine		powerpc
cpu		OEA
ident		GENERIC

#To statically compile in device wiring instead of /boot/device.hints
#hints		"GENERIC.hints"

makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
makeoptions	WERROR=-Wno-error	#XXX: We don't want -Werror just now

# Platform support
options 	POWERMAC		#NewWorld Apple PowerMacs
options 	PSIM			#GDB PSIM ppc simulator

options 	SCHED_ULE		#ULE scheduler
options 	INET			#InterNETworking
options 	FFS			#Berkeley Fast Filesystem
options 	SOFTUPDATES		#Enable FFS soft updates support
options 	UFS_ACL			#Support for access control lists
options 	UFS_DIRHASH		#Improve performance on big directories
options 	MD_ROOT			#MD is a potential root device
options 	NFSCLIENT		#Network Filesystem Client
options 	NFSSERVER		#Network Filesystem Server
options 	NFS_ROOT		#NFS usable as root device
#options 	MSDOSFS			#MSDOS Filesystem
options 	CD9660			#ISO 9660 Filesystem
options 	PROCFS			#Process filesystem (requires PSEUDOFS)
options 	PSEUDOFS		#Pseudo-filesystem framework
options 	GEOM_GPT		#GUID Partition Tables.
options 	COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
options 	COMPAT_FREEBSD4		#Keep this for a while
options 	SCSI_DELAY=1500	#Delay (in ms) before probing SCSI 
options 	KTRACE			#ktrace(1) syscall trace support
options 	SYSVSHM			#SYSV-style shared memory
options 	SYSVMSG			#SYSV-style message queues
options 	SYSVSEM			#SYSV-style semaphores
#options 	_KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
options 	PFIL_HOOKS		# pfil(9) framework

# Debugging for use in -current
options 	KDB			#Enable the kernel debugger
options 	DDB			#Support DDB
options		BREAK_TO_DEBUGGER

# To make an SMP kernel, the next line is needed
#options 	SMP			# Symmetric MultiProcessor Kernel

# Standard busses
device		pci

# ATA and ATAPI devices
device		ata
device		atadisk		# ATA disk drives
device		atapicd		# ATAPI CDROM drives
#device		atapifd		# ATAPI floppy drives
#device		atapist		# ATAPI tape drives

# SCSI peripherals
device		scbus		# SCSI bus (required for SCSI)
device		da		# Direct Access (disks)
device		sa		# Sequential Access (tape etc)
device		cd		# CD
device		pass		# Passthrough device (direct SCSI access)

# syscons is the default console driver, resembling an SCO console
device		sc
options		SC_OFWFB	# OFW frame buffer
options		SC_DFLT_FONT	# compile font in
makeoptions	SC_DFLT_FONT=cp437

# Serial (COM) ports
#device		sio		# 8250, 16[45]50 based serial ports
device		zs		# Zilog 8350 based serial ports

# PCI Ethernet NICs that use the common MII bus controller code.
device		miibus		# MII bus support
device		gem		# Sun GEM/Sun ERI/Apple GMAC

# Pseudo devices.
device		random		# Entropy device
device		loop		# Network loopback
device		ether		# Ethernet support
device		sl		# Kernel SLIP
device		ppp		# Kernel PPP
device		tun		# Packet tunnel.
device		pty		# Pseudo-ttys (telnet etc)
device		md		# Memory "disks"
device		ofwd		# OpenFirmware disks

# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
device		bpf		#Berkeley packet filter

# USB support
device		uhci		# UHCI PCI->USB interface
device		ohci		# OHCI PCI->USB interface
device		usb		# USB Bus (required)
device		ugen		# Generic
device		uhid		# "Human Interface Devices"
device		ukbd		# Keyboard
device		ulpt		# Printer
device		umass		# Disks/Mass storage - Requires scbus and da0
device		ums		# Mouse
device		urio		# Diamond Rio 500 MP3 player
device		uscanner	# Scanners
# USB Ethernet
device		aue		# ADMtek USB Ethernet
device		axe		# ASIX Electronics USB Ethernet
device		cue		# CATC USB Ethernet
device		kue		# Kawasaki LSI USB Ethernet

# FireWire support
device		firewire	# FireWire bus code
device		sbp		# SCSI over FireWire (Requires scbus and da)
device		fwe		# Ethernet over FireWire (non-standard!)

# Temporary defs until things are farther along.
makeoptions	NO_MODULES=true





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