Date: Fri, 18 Feb 2000 08:39:46 -0800 (PST) From: engarcia@fis.cinvestav.mx To: freebsd-gnats-submit@FreeBSD.org Subject: kern/16808: Fatal trap 12, kernel does not boot Message-ID: <200002181639.IAA04412@freefall.freebsd.org>
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>Number: 16808
>Category: kern
>Synopsis: Fatal trap 12, kernel does not boot
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Feb 18 08:40:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Enrique Garcia Reyes
>Release: 3.2
>Organization:
CINVESTAV
>Environment:
FreeBSD fanny.fis.cinvestav.mx 3.2-RELEASE FreeBSD
3.2-RELEASE #0: Tue May 18 04:05:08 GMT 1999
jkh@cathair:/usr/src/sys/compile/GENERIC i386
>Description:
hi, i am trying to make a custom kernel, usually boot my pc with a
generic kernel and works fine, but i want to use an iomega zip, so i
compiled a new kernel with ppbus and some other stuff (the configuration
file is below), but at boot time it starts to check the devices, then at
the moment when generic kernel display the messages adding swap device,
the new kernel stops sending the following messages.
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x58
fault code = supervisor read page not present
instruction pointer = 0x8:0xc0212cab
stack pointer = 0x10:0xc0306f84
frame pointer = 0x10:0xc0306f88
code segment = base 0x0, limit oxfffff, type 0x16
= DPL0, press 1 def32 1 gran 1
processor eflags = interrupt enabled, resume, IOPL=0
current process = 0 ()
interrupt mask =
trap number = 12
panic: page fault
Automatic reboot in 15 seconds
at the begining i belived i was produced because the 3com card was not
available, but i also tried to run the new kernel in anoter pc and the
behavior is the same.
My pc has an intel pentium III, 500Mhz processor, 64 Mb ram.
the configuration for my new kernel is the following
#############################################################
# My custom kernel config file
#
machine "i386"
cpu "I586_CPU"
ident CASA
maxusers 15
## check what the hell is maxdsiz
options "MAXDSIZ=(256*1024*1024)"
options "DFLDSIZ=(256*1024*1024)"
options GPL_MATH_EMULATE #Support for x87 emulation
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep this!]
options MFS #Memory Filesystem
options MFS_ROOT #MFS usable as root device, "MFS" req'ed
options NFS #Network Filesystem
options "CD9660" #ISO 9660 Filesystem
options PROCFS #Process filesystem
options "COMPAT_43" #Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=15000 #Be pessimistic about Joe SCSI device
options UCONSOLE #Allow users to grab the console
options FAILSAFE #Be conservative
options USERCONFIG #boot -c editor
options INTRO_USERCONFIG
options VISUAL_USERCONFIG #visual boot -c editor
options PQ_LARGECACHE
options USER_LDT
options "VM86"
options COMPILING_LINT
config kernel root on wd0
controller isa0
controller pnp0
controller eisa0
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2
disk fd0 at fdc0 drive 0
disk fd1 at fdc0 drive 1
options "CMD640" # work around CMD640 chip deficiency
controller wdc0 at isa? port "IO_WD1" bio irq 14
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
controller wdc1 at isa? port "IO_WD2" bio irq 15
disk wd2 at wdc1 drive 0
disk wd3 at wdc1 drive 1
options ATAPI #Enable ATAPI support for IDE bus
options ATAPI_STATIC #Don't do it as an LKM
device acd0 #IDE CD-ROM
device wfd0 #IDE Floppy (e.g. LS-120)
# A single entry for any of these controllers (ncr, ahb, ahc) is
# sufficient for any number of installed devices.
controller ncr0
controller ahb0
controller ahc0
controller isp0
controller dpt0
# DPT options
options DPT_RESTRICTED_FREELIST
options DPT_FREELIST_IS_STACK
options DPT_TIMEOUT_FACTOR=4
options DPT_INTR_DELAY=200 # Some motherboards need that
options DPT_LOST_IRQ
options DPT_RESET_HBA
###############
controller adv0 at isa? port ? cam irq ?
controller adw0
controller bt0 at isa? port ? cam irq ?
controller aha0 at isa? port ? cam irq ?
controller scbus0
device da0
#device sa0
device pass0
device cd0 #Only need one of these, the code dynamically grows
device wt0 at isa? port 0x300 bio irq 5 drq 1
device mcd0 at isa? port 0x300 bio irq 10
controller matcd0 at isa? port 0x230 bio
device scd0 at isa? port 0x230 bio
# atkbdc0 controlls both the keyboard and the PS/2 mouse
controller atkbdc0 at isa? port IO_KBD tty
device atkbd0 at isa? tty irq 1
device psm0 at isa? tty irq 12
device vga0 at isa? port ? conflicts
# splash screen/screen saver
pseudo-device splash
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? tty
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
device vt0 at isa? tty
options XSERVER # support for X server
#options FAT_CURSOR # start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT lines
#options PCVT_SCANSET=2 # IBM keyboards are non-std
device npx0 at isa? port IO_NPX irq 13
device apm0 at isa? disable flags 0x31 # Advanced Power Management
device sio0 at isa? port "IO_COM1" flags 0x10 tty irq 4
device sio1 at isa? port "IO_COM2" tty irq 3
device sio2 at isa? disable port "IO_COM3" tty irq 5
device sio3 at isa? disable port "IO_COM4" tty irq 9
# Parallel port
device ppc0 at isa? port? flags 0x40 net irq 7
controller ppbus0
device lpt0 at ppbus?
device plip0 at ppbus?
device ppi0 at ppbus?
controller vpo0 at ppbus?
controller vp0 at ppbus?
#
# revision 1.20 of this file.
device ed0 at isa? port 0x280 net irq 10 iomem 0xd8000
device ie0 at isa? port 0x300 net irq 10 iomem 0xd0000`
device ep0 at isa? port 0x300 net irq 10
device ex0 at isa? port? net irq?
device fe0 at isa? port 0x300 net irq ?
device le0 at isa? port 0x300 net irq 5 iomem 0xd0000
device lnc0 at isa? port 0x280 net irq 10 drq 0
device ze0 at isa? port 0x300 net irq 10 iomem 0xd8000
device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000
device cs0 at isa? port 0x300 net irq ?
pseudo-device loop
pseudo-device ether
pseudo-device sl 1
pseudo-device ppp 1
pseudo-device tun 1
pseudo-device pty 100
pseudo-device gzip # Exec gzipped a.out's
pseudo-device snp 5
pseudo-device log
options MAXCONS=12
options SYSVSHM
options SYSVMSG
options SYSVSEM
pseudo-device bpfilter 4 #Berkeley packet filter
########################################################
any comment will be welcome.
Thanks in advance
>How-To-Repeat:
The problem appears every time i try to boot the new kernel
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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