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Date: Wed, 25 Feb 2004 16:31:14 +0300
From: "Andrew L. Davydov" <davydov@itass.su>
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Subject: Same Panic 12 on differnet servers
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Hello!

I have been getting reboots of my box occassionaly under 4-STABLE for
awhile, and I would like some help trying to track it down.

The first server is Compaq Proliant DL380G2:
2xPII1.4GHz, RAM 1.5 Gb, HDD - COMPAQ RAID 5 VOLUME.

Server used as web server with apache+FastCGI, mysql+InnoDB, the www
traffic is above 2048 Kbit/sec.

This panic was appear after reconfigure mysql to use innodb and after
increased memmory usage by mysql and apache.

Server reboots a few time per day.. I have been try to move above 
mentioned services to diff server (Compaq Prolian ML370 1xPIII 700 MHz,
RAM 1Gb, 3x18Gb SCSI HDD) and got the same panic.

Any idea?

Debug information:

1. uname -a

FreeBSD devel.itass.su 4.9-STABLE FreeBSD 4.9-STABLE #0: Wed Feb 25 
14:35:35 MSK  2004     root@devel.itass.su:/usr/src/sys/compile/DEVEL  i386

2. dmesg

Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD 4.9-STABLE #0: Wed Feb 25 14:35:35 MSK 2004
     root@devel.itass.su:/usr/src/sys/compile/DEVEL
Timecounter "i8254"  frequency 1193182 Hz
CPU: Intel(R) Pentium(R) III CPU family      1400MHz (1390.66-MHz 
686-class CPU)
   Origin = "GenuineIntel"  Id = 0x6b1  Stepping = 1
 
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 1610596352 (1572848K bytes)
avail memory = 1562984448 (1526352K bytes)
Programming 16 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
Programming 16 pins in IOAPIC #1
FreeBSD/SMP: Multiprocessor motherboard: 2 CPUs
  cpu0 (BSP): apic id:  3, version: 0x00040011, at 0xfee00000
  cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000
  io0 (APIC): apic id:  8, version: 0x000f0011, at 0xfec00000
  io1 (APIC): apic id:  2, version: 0x000f0011, at 0xfec01000
Preloaded elf kernel "kernel" at 0xc03d8000.
Pentium Pro MTRR support enabled
md0: Malloc disk
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib1: <ServerWorks host to PCI bridge> on motherboard
pci1: <PCI bus> on pcib1
pcib0: <ServerWorks host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
fxp0: <Intel 82559 Pro/100 Ethernet> port 0x2000-0x203f mem 
0xf7b00000-0xf7bfffff,0xf7cf0000-0xf7cf0fff irq 3 at device 2.0 on pci0
fxp0: Ethernet address 00:08:02:80:0d:b1
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp1: <Intel 82559 Pro/100 Ethernet> port 0x2040-0x207f mem 
0xf7900000-0xf79fffff,0xf7af0000-0xf7af0fff irq 7 at device 4.0 on pci0
fxp1: Ethernet address 00:08:02:80:0d:b0
inphy1: <i82555 10/100 media interface> on miibus1
inphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pci0: <ATI Mach64-GR graphics accelerator> at 5.0
pci0: <unknown card> (vendor=0x0e11, dev=0xa0f0) at 6.0 irq 10
isab0: <ServerWorks IB6566 PCI to ISA bridge> at device 15.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <ServerWorks ROSB4 ATA33 controller> port 0x2800-0x280f at 
device 15.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
pci0: <OHCI USB controller> at 15.2 irq 11
pcib2: <ServerWorks host to PCI bridge> on motherboard
pci2: <PCI bus> on pcib2
pcib7: <ServerWorks host to PCI bridge> on motherboard
pci7: <PCI bus> on pcib7
ciss0: <Compaq Smart Array 5300> port 0x3000-0x30ff mem 
0xf7e00000-0xf7efffff,0xf7fc0000-0xf7ffffff irq 15 at device 4.0 on pci7
pci7: <unknown card> (vendor=0x0e11, dev=0xa0f7) at 7.0 irq 15
eisa0: <EISA bus> on motherboard
mainboard0: <CPQ071a (System Board)> on eisa0 slot 0
orm0: <Option ROMs> at iomem 
0xc0000-0xc7fff,0xc8000-0xcbfff,0xcc000-0xcd7ff,0xee000-0xeffff on isa0
pmtimer0 on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <64 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1: configured irq 3 not in bitmap of probed irqs 0
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: Broken MP table detected: 8254 is not connected to IOAPIC #0 
intpin 2
APIC_IO: routing 8254 via 8259 and IOAPIC #0 intpin 0
ipfw2 initialized, divert disabled, rule-based forwarding enabled, 
default to deny, logging unlimited
IPv6 packet filtering initialized, logging limited to 100 packets/entry
IP Filter: v3.4.31 initialized.  Default = pass all, Logging = enabled
SMP: AP CPU #1 Launched!
acd0: CDROM <CD-224E> at ata0-master PIO4
Mounting root from ufs:/dev/da0s1a
da0 at ciss0 bus 0 target 0 lun 0
da0: <COMPAQ RAID 5  VOLUME OK> Fixed Direct Access SCSI-0 device
da0: 135.168MB/s transfers
da0: 173658MB (355653600 512 byte sectors: 255H 32S/T 43585C)
WARNING: / was not properly dismounted
ohci0: <OHCI (generic) USB controller> mem 0xf5fd0000-0xf5fd0fff irq 11 
at device 15.2 on pci0
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
fxp0: promiscuous mode enabled
in_rtqtimo: adjusted rtq_reallyold to 2400
in_rtqtimo: adjusted rtq_reallyold to 1600
in_rtqtimo: adjusted rtq_reallyold to 1066
pid 1087 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 5894 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 1100 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 1098 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 1010 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 1057 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 985 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 988 (wts), uid 80: exited on signal 6 (core dumped)
pid 1093 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 5943 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 1002 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 1067 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 995 (index.fcgi), uid 80: exited on signal 6 (core dumped)
pid 6011 (wts), uid 80: exited on signal 6 (core dumped)
pid 6582 (statMin), uid 0: exited on signal 6 (core dumped)
in_rtqtimo: adjusted rtq_reallyold to 710
pid 1101 (perl), uid 80: exited on signal 11 (core dumped)
in_rtqtimo: adjusted rtq_reallyold to 473

3. kernel config file

#
# GENERIC -- Generic kernel configuration file for FreeBSD/i386
#
# 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 ./LINT configuration file. If you are
# in doubt as to the purpose or necessity of a line, check first in LINT.
#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246.2.54 2003/04/28 03:41:46 
simokawa Exp $

machine		i386
cpu		I386_CPU
cpu		I486_CPU
cpu		I586_CPU
cpu		I686_CPU
ident		GENERIC
maxusers	0

#makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols

options 	MATH_EMULATE		#Support for x87 emulation
options 	INET			#InterNETworking
options 	INET6			#IPv6 communications protocols
options 	FFS			#Berkeley Fast Filesystem
options 	FFS_ROOT		#FFS usable as root device [keep this!]
options 	SOFTUPDATES		#Enable FFS soft updates support
options 	UFS_DIRHASH		#Improve performance on big directories
options 	MFS			#Memory Filesystem
##options 	MD_ROOT			#MD is a potential root device
options 	NFS			#Network Filesystem
options 	NFS_ROOT		#NFS usable as root device, NFS required
##options 	MSDOSFS			#MSDOS Filesystem
options 	CD9660			#ISO 9660 Filesystem
options 	CD9660_ROOT		#CD-ROM usable as root, CD9660 required
options 	PROCFS			#Process filesystem
options 	COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
options 	SCSI_DELAY=15000	#Delay (in ms) before probing SCSI
options 	UCONSOLE		#Allow users to grab the console
options 	USERCONFIG		#boot -c editor
options 	VISUAL_USERCONFIG	#visual boot -c editor
options 	KTRACE			#ktrace(1) support
options 	SYSVSHM			#SYSV-style shared memory
options 	SYSVMSG			#SYSV-style message queues
options 	SYSVSEM			#SYSV-style semaphores
options 	P1003_1B		#Posix P1003_1B real-time extensions
options 	_KPOSIX_PRIORITY_SCHEDULING
options 	ICMP_BANDLIM		#Rate limit bad replies
options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
options 	AHC_REG_PRETTY_PRINT	# Print register bitfields in debug
					# output.  Adds ~128k to driver.
options 	AHD_REG_PRETTY_PRINT	# Print register bitfields in debug
					# output.  Adds ~215k to driver.

# To make an SMP kernel, the next two are needed
options 	SMP			# Symmetric MultiProcessor Kernel
options 	APIC_IO			# Symmetric (APIC) I/O

# To support HyperThreading, HTT is needed in addition to SMP and APIC_IO
#options 	HTT			# HyperThreading Technology

device		isa
device		eisa
device		pci
options         EISA_SLOTS=12 


# Floppy drives
device		fdc0	at isa? port IO_FD1 irq 6 drq 2
device		fd0	at fdc0 drive 0
##device		fd1	at fdc0 drive 1
#
# If you have a Toshiba Libretto with its Y-E Data PCMCIA floppy,
# don't use the above line for fdc0 but the following one:
#device		fdc0

# ATA and ATAPI devices
device		ata0	at isa? port IO_WD1 irq 14
#device		ata1	at isa? port IO_WD2 irq 15
device		ata
#device		atadisk			# ATA disk drives
device		atapicd			# ATAPI CDROM drives
#device		atapifd			# ATAPI floppy drives
#device		atapist			# ATAPI tape drives
options 	ATA_STATIC_ID		#Static device numbering

# SCSI Controllers
##device		ahb		# EISA AHA1742 family
##device		ahc		# AHA2940 and onboard AIC7xxx devices
##device		ahd		# AHA39320/29320 and onboard AIC79xx devices
##device		amd		# AMD 53C974 (Tekram DC-390(T))
##device		isp		# Qlogic family
##device		mpt		# LSI-Logic MPT/Fusion
##device		ncr		# NCR/Symbios Logic
##device		sym		# NCR/Symbios Logic (newer chipsets)
##options 	SYM_SETUP_LP_PROBE_MAP=0x40
				# Allow ncr to attach legacy NCR devices when
				# both sym and ncr are configured

##device		adv0	at isa?
##device		adw
##device		bt0	at isa?
##device		aha0	at isa?
##device		aic0	at isa?

##device		ncv		# NCR 53C500
##device		nsp		# Workbit Ninja SCSI-3
##device		stg		# TMC 18C30/18C50

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

# RAID controllers interfaced to the SCSI subsystem
##device		asr		# DPT SmartRAID V, VI and Adaptec SCSI RAID
##device		dpt		# DPT Smartcache - See LINT for options!
##device		iir		# Intel Integrated RAID
##device		mly		# Mylex AcceleRAID/eXtremeRAID
##device		ciss		# Compaq SmartRAID 5* series

# RAID controllers
##device		aac		# Adaptec FSA RAID, Dell PERC2/PERC3
#device		aacp		# SCSI passthrough for aac (requires CAM)
##device		ida		# Compaq Smart RAID
##device		amr		# AMI MegaRAID
##device		mlx		# Mylex DAC960 family

# atkbdc0 controls both the keyboard and the PS/2 mouse
device		atkbdc0	at isa? port IO_KBD
device		atkbd0	at atkbdc? irq 1 flags 0x1
device		psm0	at atkbdc? irq 12

device		vga0	at isa?

# splash screen/screen saver
pseudo-device	splash

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa? flags 0x100

# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device		vt0	at isa?
#options 	XSERVER			# support for X server on a vt console
#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		agp		# support several AGP chipsets

# Floating point support - do not disable.
device		npx0	at nexus? port IO_NPX irq 13

# Power management support (see LINT for more options)
#ALD#device		apm0	at nexus? disable flags 0x20 # Advanced Power Management

# PCCARD (PCMCIA) support
##device		card
##device		pcic0	at isa? irq 0 port 0x3e0 iomem 0xd0000
##device		pcic1	at isa? irq 0 port 0x3e2 iomem 0xd4000 disable

# Serial (COM) ports
device		sio0	at isa? port IO_COM1 flags 0x10 irq 4
device		sio1	at isa? port IO_COM2 irq 3
##device		sio2	at isa? disable port IO_COM3 irq 5
##device		sio3	at isa? disable port IO_COM4 irq 9

# Parallel port
#device		ppc0	at isa? irq 7
#device		ppbus		# Parallel port bus (required)
#device		lpt		# Printer
#device		plip		# TCP/IP over parallel
#device		ppi		# Parallel port interface device
#device		vpo		# Requires scbus and da


# PCI Ethernet NICs.
##device		de		# DEC/Intel DC21x4x (``Tulip'')
device		em		# Intel PRO/1000 adapter Gigabit Ethernet Card (``Wiseman'')
##device		txp		# 3Com 3cR990 (``Typhoon'')
##device		vx		# 3Com 3c590, 3c595 (``Vortex'')

# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device		miibus		# MII bus support
##device		dc		# DEC/Intel 21143 and various workalikes
device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
##device		pcn		# AMD Am79C97x PCI 10/100 NICs
##device		rl		# RealTek 8129/8139
##device		sf		# Adaptec AIC-6915 (``Starfire'')
##device		sis		# Silicon Integrated Systems SiS 900/SiS 7016
##device		ste		# Sundance ST201 (D-Link DFE-550TX)
##device		tl		# Texas Instruments ThunderLAN
##device		tx		# SMC EtherPower II (83c170 ``EPIC'')
##device		vr		# VIA Rhine, Rhine II
##device		wb		# Winbond W89C840F
##device		xl		# 3Com 3c90x (``Boomerang'', ``Cyclone'')
##device		bge		# Broadcom BCM570x (``Tigon III'')

# ISA Ethernet NICs.
# 'device ed' requires 'device miibus'
##device		ed0	at isa? disable port 0x280 irq 10 iomem 0xd8000
##device		ex
##device		ep
##device		fe0	at isa? disable port 0x300
# Xircom Ethernet
##device		xe
# PRISM I IEEE 802.11b wireless NIC.
##device		awi
# WaveLAN/IEEE 802.11 wireless NICs. Note: the WaveLAN/IEEE really
# exists only as a PCMCIA device, so there is no ISA attachment needed
# and resources will always be dynamically assigned by the pccard code.
##device		wi
# Aironet 4500/4800 802.11 wireless NICs. Note: the declaration below will
# work for PCMCIA and PCI cards, as well as ISA cards set to ISA PnP
# mode (the factory default). If you set the switches on your ISA
# card for a manually chosen I/O address and IRQ, you must specify
# those parameters here.
##device		an
# The probe order of these is presently determined by i386/isa/isa_compat.c.
##device		ie0	at isa? disable port 0x300 irq 10 iomem 0xd0000
#device		le0	at isa? disable port 0x300 irq 5 iomem 0xd0000
##device		lnc0	at isa? disable port 0x280 irq 10 drq 0
##device		cs0	at isa? disable port 0x300
##device		sn0	at isa? disable port 0x300 irq 10

# Pseudo devices - the number indicates how many units to allocate.
pseudo-device	loop		# Network loopback
pseudo-device	ether		# Ethernet support
pseudo-device	tun		# Packet tunnel.
pseudo-device	pty		# Pseudo-ttys (telnet etc)
pseudo-device	md		# Memory "disks"
pseudo-device	gif		# IPv6 and IPv4 tunneling
pseudo-device	faith	1	# IPv6-to-IPv4 relaying (translation)

# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-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 da
#device		ums		# Mouse
#device		uscanner	# Scanners
#device		urio		# Diamond Rio MP3 Player
# USB Ethernet, requires mii
#device		aue		# ADMtek 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!)
# SCSI Controllers
# A single entry for any of these controllers (ncr, ahb, ahc) is
# sufficient for any number of installed devices.
device	scbus0
device	da0
device          ciss 




device          sa                      #SCSI tapes
device          cd                      #SCSI CD-ROMs
device          pass                    #CAM passthrough driver
device          pt                      #SCSI processor type
device          ses                     #SCSI SES/SAF-TE driver

options         CHANGER_MIN_BUSY_SECONDS=2
options         CHANGER_MAX_BUSY_SECONDS=10
options         SA_IO_TIMEOUT="(4)"
options         SA_SPACE_TIMEOUT="(60)"
options         SA_REWIND_TIMEOUT="(2*60)"
options         SA_ERASE_TIMEOUT="(4*60)"
options         SA_1FM_AT_EOD
options         SCSI_PT_DEFAULT_TIMEOUT="60"
options         SES_ENABLE_PASSTHROUGH
options         ROOTDEVNAME=\"ufs:da0s1a\"

#NEW addons
options		IPSEC_ESP
options		IPSEC_DEBUG
options         NULLFS                  #NULL filesystem
options         INCLUDE_CONFIG_FILE     # Include this file in kernel 

options         PCI_ENABLE_IO_MODES 

options         IPFIREWALL
options         IPFIREWALL_VERBOSE
options         IPFIREWALL_FORWARD
options         IPV6FIREWALL            #firewal
options         IPV6FIREWALL_VERBOSE
options         IPV6FIREWALL_VERBOSE_LIMIT=100
options         IPFILTER
options         IPFILTER_LOG
options         IPSTEALTH
options         TCPDEBUG
options         TCP_DROP_SYNFIN
options         ICMP_BANDLIM
options         RANDOM_IP_ID
options         ACCEPT_FILTER_DATA
options         ACCEPT_FILTER_HTTP
options         IPFW2

#end
options 	SEMMAP=512       #2)31
options 	SEMMNI=512       #2)20   #11
options 	SEMMNS=65536      #2)60   #61
options 	SEMMNU=512       #2)31
options 	SEMMSL=256      #2)61
options 	SEMOPM=256      #2)101
options 	SEMUME=512       #2)11
options 	SHMALL=8192     #1025
options 	SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
options 	SHMMAXPGS=65536 #2)
options 	SHMMIN=2        #2
options 	SHMMNI=512      #33
options 	SHMSEG=512       #9
options		MSGMNB=16384
options		MSGMNI=256
options		MSGSEG=8196
options		MSGSSZ=16
options		MSGTQL=256
#end
options         NSWAPDEV=5 

options         VFS_AIO 

pseudo-device   disc
pseudo-device   gzip            # E
pseudo-device   speaker
pseudo-device   vn      8
pseudo-device   gif
pseudo-device   faith	10
pseudo-device   vlan 16
#options 	DUMMYNET
#options 	BRIDGE
#end
options         PERFMON
options         COMPAT_LINUX
options         "IBCS2"
options         QUOTA
options         DIAGNOSTIC
options         PMAP_SHPGPERPROC=8192
options         PPS_SYNC
options         COMPAT_SVR4
options         DEBUG_SVR4
options 	USER_LDT		#allow user-level control of i386 ldt
options 	NSFBUFS=4096
options         NTIMECOUNTER=20 

pseudo-device	streams		# STREAMS network driver (required for svr4).
#end
options 	MAXDSIZ="(512*1024*1024)"
options 	DFLDSIZ="(512*1024*1024)"
options 	MSGBUF_SIZE=131072
options         LIBMCHAIN               #mbuf management library 

options         LIBICONV 

options         PANIC_REBOOT_WAIT_TIME=180 


options         MBUF_STRESS_TEST
#end
options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
options 	BLKDEV_IOSIZE=65536
options 	MAXCONS=64		# number of virtual consoles
options 	NMBCLUSTERS=32768
options 	DISABLE_PSE


4. kgdb ouput:

GNU gdb 4.18 (FreeBSD)
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain 
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd".
(kgdb) symbol-file kernel.0.debuf g
Reading symbols from kernel.0.debug...done.
(kgdb) exec-file /var/crash/kernel.0
(kgdb)     core-file /var/crash/vmcore.0
SMP 2 cpus
IdlePTD at physical address 0x003f7000
initial pcb at physical address 0x003420c0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
mp_lock = 00000002; cpuid = 0; lapic.id = 03000000
fault virtual address	= 0x4
fault code		= supervisor write, page not present
instruction pointer	= 0x8:0xc02a84a1
stack pointer	        = 0x10:0xe80e3e28
frame pointer	        = 0x10:0xe80e3e38
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 2450 (morpho)
interrupt mask		= net bio cam  <- SMP: XXX
trap number		= 12
panic: page fault
mp_lock = 00000002; cpuid = 0; lapic.id = 03000000
boot() called on cpu#0

syncing disks... 58 5 5 5 5 5 5 5 16
done
Uptime: 16m56s

dumping to dev #da/0x20001, offset 7340064
dump 1535 1534 1533 1532 1531 1530 1529 1528 1527 1526 1525 1524 1523 
1522 1521 1520 1519 1518 1517 1516 1515 1514 1513 1512 1511 1510 1509 
1508 1507 1506 1505 1504 1503 1502 1501 1500 1499 1498 1497 1496 1495 
1494 1493 1492 1491 1490 1489 1488 1487 1486 1485 1484 1483 1482 1481 
1480 1479 1478 1477 1476 1475 1474 1473 1472 1471 1470 1469 1468 1467 
1466 1465 1464 1463 1462 1461 1460 1459 1458 1457 1456 1455 1454 1453 
1452 1451 1450 1449 1448 1447 1446 1445 1444 1443 1442 1441 1440 1439 
1438 1437 1436 1435 1434 1433 1432 1431 1430 1429 1428 1427 1426 1425 
1424 1423 1422 1421 1420 1419 1418 1417 1416 1415 1414 1413 1412 1411 
1410 1409 1408 1407 1406 1405 1404 1403 1402 1401 1400 1399 1398 1397 
1396 1395 1394 1393 1392 1391 1390 1389 1388 1387 1386 1385 1384 1383 
1382 1381 1380 1379 1378 1377 1376 1375 1374 1373 1372 1371 1370 1369 
1368 1367 1366 1365 1364 1363 1362 1361 1360 1359 1358 1357 1356 1355 
1354 1353 1352 1351 1350 1349 1348 1347 1346 1345 1344 1343 1342 1341 
1340 1339 1338 1337 1336 1335 1334 1333 1332 1331 1330 1329 1328 1327 
1326 1325 1324 1323 1322 1321 1320 1319 1318 1317 1316 1315 1314 1313 
1312 1311 1310 1309 1308 1307 1306 1305 1304 1303 1302 1301 1300 1299 
1298 1297 1296 1295 1294 1293 1292 1291 1290 1289 1288 1287 1286 1285 
1284 1283 1282 1281 1280 1279 1278 1277 1276 1275 1274 1273 1272 1271 
1270 1269 1268 1267 1266 1265 1264 1263 1262 1261 1260 1259 1258 1257 
1256 1255 1254 1253 1252 1251 1250 1249 1248 1247 1246 1245 1244 1243 
1242 1241 1240 1239 1238 1237 1236 1235 1234 1233 1232 1231 1230 1229 
1228 1227 1226 1225 1224 1223 1222 1221 1220 1219 1218 1217 1216 1215 
1214 1213 1212 1211 1210 1209 1208 1207 1206 1205 1204 1203 1202 1201 
1200 1199 1198 1197 1196 1195 1194 1193 1192 1191 1190 1189 1188 1187 
1186 1185 1184 1183 1182 1181 1180 1179 1178 1177 1176 1175 1174 1173 
1172 1171 1170 1169 1168 1167 1166 1165 1164 1163 1162 1161 1160 1159 
1158 1157 1156 1155 1154 1153 1152 1151 1150 1149 1148 1147 1146 1145 
1144 1143 1142 1141 1140 1139 1138 1137 1136 1135 1134 1133 1132 1131 
1130 1129!
   1128 11
27 1126 1125 1124 1123 1122 1121 1120 1119 1118 1117 1116 1115 1114 1113 
1112 1111 1110 1109 1108 1107 1106 1105 1104 1103 1102 1101 1100 1099 
1098 1097 1096 1095 1094 1093 1092 1091 1090 1089 1088 1087 1086 1085 
1084 1083 1082 1081 1080 1079 1078 1077 1076 1075 1074 1073 1072 1071 
1070 1069 1068 1067 1066 1065 1064 1063 1062 1061 1060 1059 1058 1057 
1056 1055 1054 1053 1052 1051 1050 1049 1048 1047 1046 1045 1044 1043 
1042 1041 1040 1039 1038 1037 1036 1035 1034 1033 1032 1031 1030 1029 
1028 1027 1026 1025 1024 1023 1022 1021 1020 1019 1018 1017 1016 1015 
1014 1013 1012 1011 1010 1009 1008 1007 1006 1005 1004 1003 1002 1001 
1000 999 998 997 996 995 994 993 992 991 990 989 988 987 986 985 984 983 
982 981 980 979 978 977 976 975 974 973 972 971 970 969 968 967 966 965 
964 963 962 961 960 959 958 957 956 955 954 953 952 951 950 949 948 947 
946 945 944 943 942 941 940 939 938 937 936 935 934 933 932 931 930 929 
928 927 926 925 924 923 922 921 920 919 918 917 916 915 914 913 912 911 
910 909 908 907 906 905 904 903 902 901 900 899 898 897 896 895 894 893 
892 891 890 889 888 887 886 885 884 883 882 881 880 879 878 877 876 875 
874 873 872 871 870 869 868 867 866 865 864 863 862 861 860 859 858 857 
856 855 854 853 852 851 850 849 848 847 846 845 844 843 842 841 840 839 
838 837 836 835 834 833 832 831 830 829 828 827 826 825 824 823 822 821 
820 819 818 817 816 815 814 813 812 811 810 809 808 807 806 805 804 803 
802 801 800 799 798 797 796 795 794 793 792 791 790 789 788 787 786 785 
784 783 782 781 780 779 778 777 776 775 774 773 772 771 770 769 768 767 
766 765 764 763 762 761 760 759 758 757 756 755 754 753 752 751 750 749 
748 747 746 745 744 743 742 741 740 739 738 737 736 735 734 733 732 731 
730 729 728 727 726 725 724 723 722 721 720 719 718 717 716 715 714 713 
712 711 710 709 708 707 706 705 704 703 702 701 700 699 698 697 696 695 
694 693 692 691 690 689 688 687 686 685 684 683 682 681 680 679 678 677 
676 675 674 673 672 671 670 669 668 667 666 665 664 663 662 661 660 659 
658 657 656 655 654 653 652 651 650 6!
  49 648 6
47 646 645 644 643 642 641 640 639 638 637 636 635 634 633 632 631 630 
629 628 627 626 625 624 623 622 621 620 619 618 617 616 615 614 613 612 
611 610 609 608 607 606 605 604 603 602 601 600 599 598 597 596 595 594 
593 592 591 590 589 588 587 586 585 584 583 582 581 580 579 578 577 576 
575 574 573 572 571 570 569 568 567 566 565 564 563 562 561 560 559 558 
557 556 555 554 553 552 551 550 549 548 547 546 545 544 543 542 541 540 
539 538 537 536 535 534 533 532 531 530 529 528 527 526 525 524 523 522 
521 520 519 518 517 516 515 514 513 512 511 510 509 508 507 506 505 504 
503 502 501 500 499 498 497 496 495 494 493 492 491 490 489 488 487 486 
485 484 483 482 481 480 479 478 477 476 475 474 473 472 471 470 469 468 
467 466 465 464 463 462 461 460 459 458 457 456 455 454 453 452 451 450 
449 448 447 446 445 444 443 442 441 440 439 438 437 436 435 434 433 432 
431 430 429 428 427 426 425 424 423 422 421 420 419 418 417 416 415 414 
413 412 411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 
395 394 393 392 391 390 389 388 387 386 385 384 383 382 381 380 379 378 
377 376 375 374 373 372 371 370 369 368 367 366 365 364 363 362 361 360 
359 358 357 356 355 354 353 352 351 350 349 348 347 346 345 344 343 342 
341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 325 324 
323 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 
305 304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 
287 286 285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 
269 268 267 266 265 264 263 262 261 260 259 258 257 256 255 254 253 252 
251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 
233 232 231 230 229 228 227 226 225 224 223 222 221 220 219 218 217 216 
215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 
197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 
179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 
161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 
143 142 141 140 139 138 !
  137 136
135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 
117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0  dumpsys () at ../../kern/kern_shutdown.c:487
487		if (dumping++) {
(kgdb) where
#0  dumpsys () at ../../kern/kern_shutdown.c:487
#1  0xc0185690 in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2  0xc0185afc in poweroff_wait (junk=0xc0305a59, howto=-1070574321)
     at ../../kern/kern_shutdown.c:595
#3  0xc02ac4ad in trap_fatal (frame=0xe80e3de8, eva=4)
     at ../../i386/i386/trap.c:974
#4  0xc02ac125 in trap_pfault (frame=0xe80e3de8, usermode=0, eva=4)
     at ../../i386/i386/trap.c:867
#5  0xc02abc83 in trap (frame={tf_fs = 1845493784, tf_es = 1845493776,
       tf_ds = 16, tf_edi = 198959104, tf_esi = -1044781460,
       tf_ebp = -401719752, tf_isp = -401719788, tf_ebx = -402147732,
       tf_edx = 0, tf_ecx = 0, tf_eax = 0, tf_trapno = 12, tf_err = 2,
       tf_eip = -1070955359, tf_cs = 8, tf_eflags = 66118, tf_esp = 
198959104,
       tf_ss = -4172040}) at ../../i386/i386/trap.c:466
#6  0xc02a84a1 in pmap_insert_entry (pmap=0xe807b66c, va=198959104,
     mpte=0xc1cc5b30, m=0xc1b9e66c) at ../../i386/i386/pmap.c:1561
#7  0xc02a95d4 in pmap_copy (dst_pmap=0xe807b66c, src_pmap=0xe7eadaec,
     dst_addr=134721536, len=150806528, src_addr=134721536)
     at ../../i386/i386/pmap.c:2554
#8  0xc026287e in vm_map_copy_entry (src_map=0xe7eada80, 
dst_map=0xe807b600,
     src_entry=0xe7fc1420, dst_entry=0xe82c7d20) at ../../vm/vm_map.c:2406
#9  0xc0262a8b in vmspace_fork (vm1=0xe7eada80) at ../../vm/vm_map.c:2524
#10 0xc025f817 in vm_fork (p1=0xe80d1920, p2=0xe80cd000, flags=20)
     at ../../vm/vm_glue.c:232
#11 0xc017e3d3 in fork1 (p1=0xe80d1920, flags=20, procp=0xe80e3f20)
     at ../../kern/kern_fork.c:521
#12 0xc017dafe in fork (p=0xe80d1920, uap=0xe80e3f80)
     at ../../kern/kern_fork.c:100
#13 0xc02ac80d in syscall2 (frame={tf_fs = -1071054801, tf_es = 47,
       tf_ds = 47, tf_edi = -1077937416, tf_esi = -1077937432,
       tf_ebp = -1077938024, tf_isp = -401719340, tf_ebx = 672282220,
       tf_edx = 0, tf_ecx = 134946816, tf_eax = 2, tf_trapno = 12, 
tf_err = 2,
       tf_eip = 671953540, tf_cs = 31, tf_eflags = 514, tf_esp = 
-1077938068,
       tf_ss = 47}) at ../../i386/i386/trap.c:1175
#14 0xc0295dcb in Xint0x80_syscall ()
#15 0x280c5135 in ?? ()
#16 0x8049b4f in ?? ()
#17 0x8049816 in ?? ()
(kgdb) wherewherequit



-- 
Mr. Andrew L. Davydov
Technical director