Subject: Re: Problems with new 1.3.1 kernel
To: Leo Weppelman <leo@wau.mis.ah.nl>
From: Michael Brandt <mike@wowbagger.pc-labor.uni-bremen.de>
List: port-atari
Date: 03/26/1998 22:26:56
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Hi,

On 24-Mar-98 Leo Weppelman wrote:
> The info above gives 2 possible functions where the crash could have
> happened,
>    - findroot(), where the kernel tries to find a root device by itself
>    - setroot(), where either a root found by 'findroot()' or one given by the
>      user is set.
> If the problem is in 'findroot()', the '-b' option of the booter might work
> around this.

I tried the -b option and entered the correct answers after the questions. The
crash happens just after that.

> Can you also try 'nm /netbsd' and look in which function the
> program really is?

How do I do that? `nm' just gives me a very long list of symbols. Apart from
that, isn't it visible in the stack trace in which funtion the kernel crashed?

> The problems might be caused by an incorrectly compiled kernel. When you did
> setup the 1.3.1 sys-tree,

I started with an original 1.3 distribution source. After that I applied the
1.3.1 patches from netbsd.org.

> did you completely wipe-out the compile directory
> '.../atari/compile/<config>'?

Well, at first I didn't, but I did it in the meantime and recompiled the
kernel. Unfortunately it didn't change anything.

> O, and do you use a standard config? If not, what are the diffs
> to the config it was derived from?

No, I didn't use a standard config. Mine is a collection from different sources
that evolved over time. I include it as an attachment as well as the slightely
changed include file I use.

> Questions, questions, questions ;-)

I hope the answers help :-)

Greetings and thanks for your help

Mike

------------------------------------------
Hiroshima 45 - Tschernobyl 86 - Windows 95
------------------------------------------

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#	$NetBSD: std.atari,v 1.10 1996/11/17 13:33:40 leo Exp $
#
# standard atari information
#
machine		atari m68k

options		MACHINE_NONCONTIG	# Non-contiguous memory support
					# (required)

options		EXEC_SCRIPT		# Support #!
options		EXEC_AOUT		# a.out format executables

options		SWAPPAGER		# Pager for swap device
options		VNODEPAGER		# Pager for vnodes
options		DEVPAGER		# Pager

mainbus0	at root

clock0		at mainbus0		# system clock
kbd0		at mainbus0		# standard keyboard
fdc0		at mainbus0		# floppy controller
grfbus0		at mainbus0		# bitmapped display's
ncrscsi0	at mainbus0		# SCSI driver
scsibus0	at ncrscsi0		# SCSI bus
grfcc0		at grfbus0		# graphics driver
ite*		at grfcc0		# console

# any disk/tape drives on configured controllers.
#sd*	at scsibus? target ? lun ?
st0	at scsibus? target ? lun 0
cd0	at scsibus? target ? lun 0

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#
# This configuration file is for a multiple disk/multiple tape ATARI-TT
# with network (through ppp or slip).

include "arch/atari/conf/spectre.atari"

#
# Disk device names match SCSI target ids.
#
sd0	at scsibus0 target 0 lun ?
sd1	at scsibus0 target 1 lun ?
sd2	at scsibus0 target 2 lun ?
sd3	at scsibus0 target 3 lun ?
sd4	at scsibus0 target 4 lun ?
sd5	at scsibus0 target 5 lun ?
sd6	at scsibus0 target 6 lun ?
sd7	at scsibus0 target 7 lun ?

#
# Add support for about 32 users. This variable is used to size
# various kernel structures.
#
maxusers	32

#
# processors this kernel should support
#
options 	M68030		# support for 030
#options 	M68040		# support for 040

options 	HZ=64		# Set the clock-rate (48/64/96)

#
# X11R6 related options
#
options 	UCONSOLE	# Allow xconsole to work

#
# Floating-point options
#
#options 	FPU_EMULATE	# Support for MC68881/MC68882 emulator
#options 	FPSP		# 68040 Floatingpoint support

#
# Networking options
#
options 	INET		# Basic networking support

# File systems
file-system 	FFS		# Berkeley fast file system
file-system	EXT2FS		# Linux compatible fs
#file-system 	MFS		# Memory based filesystem
#file-system	NFS		# Network File System client side code
file-system 	PROCFS		# Process filesystem
file-system 	KERNFS		# Kernel parameter filesystem
#file-system 	FDESC		# /dev/fd
file-system 	NULLFS		# Loopback filesystem
file-system 	MSDOSFS		# MSDOS filesystem
file-system 	CD9660		# ISO 9660 filesystem with Rock Ridge
file-system 	UNION		# union file system
#file-system 	UMAPFS		# null file system (with uid & gid remapping)
file-system 	PORTAL		# portal file system

# File system options
options 	FIFO		# FIFO operations on vnodes
#options 	QUOTA		# Disk quotas for local disks
#options 	NFSSERVER	# Network File System server side code

#
# Misc. debuging options
#
options 	PANICWAIT	# Require keystroke to dump/reboot
options 	DDB		# Kernel debugger

#
# Compatability options for various existing systems
#
options 	COMPAT_43	# 4.3 BSD compatible system calls (required)
options 	COMPAT_10	# Compatibility to NetBSD1.0
options 	COMPAT_11	# Compatibility to NetBSD1.1
options 	COMPAT_12	# Compatibility to NetBSD1.2
#options	COMPAT_09	# has no meaning on the atari
#options	COMPAT_SUNOS	# Support to run Sun-3 executables
#options	TCP_COMPAT_42	# Disable UDP checksums (not needed)

#
# Support for System V IPC facilities.
#
options	SYSVSHM			# System V shared memory
options	SYSVMSG			# System V messages
options	SYSVSEM			# System V semaphores

#
# Support for various kernel options
#
options 	KTRACE			# Add kernel tracing system call
options 	DIAGNOSTIC		# Add additional error checking code
options 	NKMEMCLUSTERS=256	# Size of kernel malloc area
#options	SCSIVERBOSE		# Verbose SCSI errors
#options	RTC_OFFSET=-60		# Offset from rtc time to GMT (defunkt)

#
# Loadable kernel modules. Do they work on the Atari?
#
options	LKM			# see lkm(4) and /usr/share/lkm

#
# Atari specific options
#
#options	KFONT_8x8		# Use 8x8 font instead of 8x16
options 	ST_POOL_SIZE=85		# enough for 4 screens in TT-HIGH
options 	TT_SCSI			# SCSI-support for TT
#options 	FALCON_SCSI		# SCSI-support for Falcon
options 	TT_VIDEO		# Graphics support for TT
#options 	FALCON_VIDEO		# Graphics support for FALCON
options 	STATCLOCK		# Separate {stat,prof}clock
#options 	MEMORY_DISK_HOOKS	# Boot RAM-disk
options 	DISKLABEL_NBDA		# NetBSD disklabels (required)
options 	DISKLABEL_AHDI		# NetBSD/AHDI disklabels
options		SERCONSOLE		# modem1 console support
options		RELOC_KERNEL		# relocate kernel into TT ram

# Try linked commands on all targets
options 	TRY_SCSI_LINKED_COMMANDS=0x7f

#
# Build one kernel that can boot from any disk.
#
config		netbsd root on ? type ?

pseudo-device	mouse		1	# mouse
pseudo-device	view		4	# View (graphics mapping)
pseudo-device	sl		2	# Slip
pseudo-device	ppp		2	# ppp
pseudo-device	pty		32	# Pseudo-tty support
pseudo-device	loop			# Loopback network
pseudo-device	vnd		3	# 3 pseudo disks (see vnconfig)
#pseudo-device	bpfilter	2	# berkeley packet filters
#pseudo-device	tun		2	# network tunnel
#pseudo-device	ccd		4	# concatenating disk driver
#pseudo-device	md		2	# Boot memory disk
pseudo-device	rnd			# experimental random number generator

#
# The following sections describe various hardware options.
#
#vmebus0 at mainbus0		# VME bus
#vme0	at vmebus0
#le0	at vme0	irq 5		# Lance ethernet (Riebl/PAM).

grfcc1	at grfbus0		# second graphics driver
ite*	at grfcc1		# second tty
grfcc2	at grfbus0		# third graphics driver
ite*	at grfcc2		# third tty

fd0	at fdc0 unit 0		# builtin floppy drive
fd1	at fdc0 unit 1		# external floppy drive
ser0	at mainbus0		# Serial support through 68901 (modem1)
zs0	at mainbus0		# Serial support through 8530
nvr0	at mainbus0		# nvram driver
lp0	at mainbus0		# centronics printer

ch*	at scsibus? target ? lun ?	# SCSI changer
ss*	at scsibus? target ? lun ?	# SCSI scanner
uk*	at scsibus? target ? lun ?	# SCSI unknown

#idec0	at mainbus0			# IDE bus
#ide*	at idec? drive ?		# ... and drives

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