6.0 Release kernel panic - page fault

Abhi soman.abhijit at gmail.com
Thu Dec 22 08:57:19 PST 2005


Hi,
   I'm experiencing kernel panics with 6.0 Release. I did a fresh
install of 6.0 Release after playing with some linux distros and
Freebsd 5.4 Release. The only problem i had was due to faulty RAM. I
replaced the RAM and had no problems. But  for somedays my system has
started to panic randomly. All the crash dumps i got show something
wrong in the file pcpu.h at line 165.
 I'm ttaching my custom kernel configuration file and one crash dump i
got with kgdb. I hope someone can tell me why this's happening, and if
this's freebsd problem or  hardware problem.

Thanks for your help.

Greetings,
Abhijit

-----------------
dmesg output:
-----------------

Copyright (c) 1992-2005 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 6.0-RELEASE #0: Sat Dec 17 13:02:27 IST 2005
    abhijit at localhost:/usr/obj/usr/src/sys/LUGBURZ
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel Pentium III (702.99-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x683  Stepping = 3
  Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 535691264 (510 MB)
avail memory = 519077888 (495 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
cpu0 on motherboard
pcib0: <Intel 82810 (i810 GMCH) Host To Hub bridge> pcibus 0 on motherboard
pir0: <PCI Interrupt Routing Table: 8 Entries> on motherboard
pci0: <PCI bus> on pcib0
agp0: <Intel 82810 (i810 GMCH) SVGA controller> mem
0xe8000000-0xebffffff,0xeff80000-0xefffffff irq 11 at device 1.0 on
pci0
pcib1: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
pci1: <PCI bus> on pcib1
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH UDMA66 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 31.1 on
pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
uhci0: <Intel 82801AA (ICH) USB controller> port 0xda00-0xda1f irq 9
at device 31.2 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801AA (ICH) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pcm0: <Intel ICH (82801AA)> port 0xde00-0xdeff,0xdc00-0xdc3f irq 10 at
device 31.5 on pci0
pcm0: [GIANT-LOCKED]
pcm0: <Cirrus Logic CS4299 AC97 Codec>
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xc0000-0xc7fff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse, device ID 3
fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0c01> can't assign resources (memory)
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0400> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
unknown: <PNP0f13> can't assign resources (irq)
Timecounter "TSC" frequency 702986027 Hz quality 800
Timecounters tick every 1.000 msec
ad0: DMA limited to UDMA33, controller found non-ATA66 cable
ad0: 19092MB <Seagate ST320413A 3.53> at ata0-master UDMA33
acd0: CDRW <HL-DT-ST GCE-8525B/1.03> at ata0-slave UDMA33
acd1: CDROM <SAMSUNG CD-ROM SC-152C/CS04> at ata1-master PIO4
Trying to mount root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
Loading configuration files.
kernel dumps on /dev/ad0s1b
Entropy harvesting:
 interrupts
 ethernet
 point_to_point
 kickstart
.
swapon: adding /dev/ad0s1b as swap device
Starting file system checks:
/dev/ad0s1a: 1542 files, 43159 used, 210656 free (1800 frags, 26107
blocks, 0.7% fragmentation)
/dev/ad0s1h: DEFER FOR BACKGROUND CHECKING
/dev/ad0s1f: DEFER FOR BACKGROUND CHECKING
/dev/ad0s1e: DEFER FOR BACKGROUND CHECKING
/dev/ad0s1g: DEFER FOR BACKGROUND CHECKING
/dev/ad0s1d: DEFER FOR BACKGROUND CHECKING
cd0 at ata0 bus 0 target 1 lun 0
cd0: <HL-DT-ST CD-RW GCE-8525B 1.03> Removable CD-ROM SCSI-0 device
cd0: 33.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not
present - tray closed
cd1 at ata1 bus 0 target 0 lun 0
cd1: <SAMSUNG CD-ROM SC-152C CS04> Removable CD-ROM SCSI-0 device
cd1: 16.000MB/s transfers
cd1: Attempt to query device size failed: NOT READY, Medium not present
WARNING: /data was not properly dismounted
WARNING: /home was not properly dismounted
WARNING: /tmp was not properly dismounted
/tmp: mount pending error: blocks 16 files 5
WARNING: /usr was not properly dismounted
WARNING: /var was not properly dismounted
Setting hostname: localhost.
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
	inet6 ::1 prefixlen 128
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
	inet 127.0.0.1 netmask 0xff000000
Additional routing options:
.
Starting devd.
Mounting NFS file systems:
.
Creating and/or trimming log files:
.
Starting syslogd.
Checking for core dump on /dev/ad0s1b...
savecore: reboot after panic: page fault
Dec 22 21:42:12 localhost savecore: reboot after panic: page fault
savecore: writing core to vmcore.1
Turning on accounting.
Accounting enabled
Clearing /tmp.
ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/X11R6/lib /usr/local/lib
a.out ldconfig path: /usr/lib/aout /usr/lib/compat/aout /usr/X11R6/lib/aout
Recovering vi editor sessions:
.
Starting usbd.
Starting local daemons:
.
Updating motd
.
Configuring syscons:
 keyrate
 font8x16
 blanktime
 screensaver
.
Initial i386 initialization:
.
Additional ABI support:
 linux
.
Starting cron.
Local package initialization:
.
Additional TCP options:
.
Starting default moused:
.
Starting background file system checks in 60 seconds.
---------------------

kernel configuration
----------------------

# LUGBURZ -- Custom Kernel configuration file -- FreeBSD 5.4 / i386

# Options
machine		i386
#cpu		I486_CPU
#cpu		I586_CPU
cpu		I686_CPU
ident		LUGBURZ

# Change Kernel output colors
options SC_KERNEL_CONS_ATTR=(FG_GREEN|BG_BLACK)
options SC_KERNEL_CONS_REV_ATTR=(FG_BLACK|BG_RED)

# Misc options
options         SC_DISABLE_REBOOT       # disable reboot key sequence

# To statically compile in device wiring instead of /boot/device.hints
#hints		"GENERIC.hints"		# Default places to look for devices.

#options DDB
makeoptions	DEBUG=-g		# Compile debug kernel

#options         SCHED_ULE              # ULE scheduler
options 	SCHED_4BSD		# 4BSD scheduler
options         PREEMPTION              # Enable Kernel thread preemption
options 	INET			# InterNETworking
options 	INET6			# IPv6 communications protocols
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 /, requires NFSCLIENT
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		# Compatible with FreeBSD4
options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
options 	SCSI_DELAY=5000         # Delay (in ms) before probing SCSI
options 	KTRACE			# ktrace(1) 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 	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.
options 	ADAPTIVE_GIANT		# Giant mutex is adaptive.

device		apic			# I/O APIC

# Bus support.  Do not remove isa, even if you have no isa slots
device		isa
device		eisa
device		pci

# Floppy drives
device		fdc

# ATA and ATAPI devices
device		ata
device		atadisk		# ATA disk drives
#device		ataraid		# ATA RAID drives
device		atapicd		# ATAPI CDROM drives
#device		atapifd		# ATAPI floppy drives
#device		atapist		# ATAPI tape drives
options 	ATA_STATIC_ID	# Static device numbering

# ATAPI/CAM devices
device atapicam

# 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 + those of `ncr')
#device		trm		# Tekram DC395U/UW/F DC315U adapters

#device		adv		# Advansys SCSI adapters
#device		adw		# Advansys wide SCSI adapters
#device		aha		# Adaptec 154x SCSI adapters
#device		aic		# Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
#device		bt		# Buslogic/Mylex MultiMaster SCSI adapters

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

# SCSI peripherals
device		scbus		# SCSI bus (required for SCSI)
#device		ch		# SCSI media changers
device		da		# Direct Access (disks)
#device		sa		# Sequential Access (tape etc)
device		cd		# CD
device		pass		# Passthrough device (direct SCSI access)
#device		ses		# SCSI Environmental Services (and SAF-TE)

# RAID controllers interfaced to the SCSI subsystem
#device		amr		# AMI MegaRAID
#device		arcmsr		# Areca SATA II RAID
#device		asr		# DPT SmartRAID V, VI and Adaptec SCSI RAID
#device		ciss		# Compaq Smart RAID 5*
#device		dpt		# DPT Smartcache III, IV - See NOTES for options
#device		hptmv		# Highpoint RocketRAID 182x
#device		iir		# Intel Integrated RAID
#device		ips		# IBM (Adaptec) ServeRAID
#device		mly		# Mylex AcceleRAID/eXtremeRAID
#device		twa		# 3ware 9000 series PATA/SATA RAID

# RAID controllers
#device		aac		# Adaptec FSA RAID
#device		aacp		# SCSI passthrough for aac (requires CAM)
#device		ida		# Compaq Smart RAID
#device		mlx		# Mylex DAC960 family
#device		pst		# Promise Supertrak SX6000
#device		twe		# 3ware ATA RAID

# atkbdc0 controls both the keyboard and the PS/2 mouse
device		atkbdc		# AT keyboard controller
device		atkbd		# AT keyboard
device		psm		# PS/2 mouse

device		vga		# VGA video card driver

device		splash		# Splash screen and screen saver support

# syscons is the default console driver, resembling an SCO console
device		sc

# Enable this for the pcvt (VT220 compatible) console driver
#device		vt
#options 	XSERVER		# support for X server on a vt console
#options 	FAT_CURSOR	# start with block cursor

device		agp		# support several AGP chipsets

# Floating point support - do not disable.
device		npx

# Power management support (see NOTES for more options)
#device		apm
# Add suspend/resume support for the i8254.
device		pmtimer

# PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
#device		cbb		# cardbus (yenta) bridge
#device		pccard		# PC Card (16-bit) bus
#device		cardbus		# CardBus (32-bit) bus

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

# Parallel port
device		ppc
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

# If you've got a "dumb" serial or parallel PCI card that is
# supported by the puc(4) glue driver, uncomment the following
# line to enable it (connects to the sio and/or ppc drivers):
#device         puc

# PCI Ethernet NICs.
#device		de		# DEC/Intel DC21x4x (``Tulip'')
#device		em		# Intel PRO/1000 adapter Gigabit Ethernet Card
#device		ixgb		# Intel PRO/10GbE Ethernet Card
#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		bfe		# Broadcom BCM440x 10/100 Ethernet
#device		bge		# Broadcom BCM570xx Gigabit Ethernet
#device		dc		# DEC/Intel 21143 and various workalikes
#device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
#device		lge		# Level 1 LXT1001 gigabit ethernet
#device		nge		# NatSemi DP83820 gigabit ethernet
#device		pcn		# AMD Am79C97x PCI 10/100 (precedence over 'lnc')
#device		re		# RealTek 8139C+/8169/8169S/8110S
#device		rl		# RealTek 8129/8139
#device		sf		# Adaptec AIC-6915 (``Starfire'')
#device		sis		# Silicon Integrated Systems SiS 900/SiS 7016
#device		sk		# SysKonnect SK-984x & SK-982x gigabit Ethernet
#device		ste		# Sundance ST201 (D-Link DFE-550TX)
#device		ti		# Alteon Networks Tigon I/II gigabit Ethernet
#device		tl		# Texas Instruments ThunderLAN
#device		tx		# SMC EtherPower II (83c170 ``EPIC'')
#device		vge		# VIA VT612x gigabit ethernet
#device		vr		# VIA Rhine, Rhine II
#device		wb		# Winbond W89C840F
#device		xl		# 3Com 3c90x (``Boomerang'', ``Cyclone'')

# ISA Ethernet NICs.  pccard NICs included.
#device		cs		# Crystal Semiconductor CS89x0 NIC
# 'device ed' requires 'device miibus'
#device		ed		# NE[12]000, SMC Ultra, 3c503, DS8390 cards
#device		ex		# Intel EtherExpress Pro/10 and Pro/10+
#device		ep		# Etherlink III based cards
#device		fe		# Fujitsu MB8696x based cards
#device		ie		# EtherExpress 8/16, 3C507, StarLAN 10 etc.
#device		lnc		# NE2100, NE32-VL Lance Ethernet cards
#device		sn		# SMC's 9000 series of Ethernet chips
#device		xe		# Xircom pccard Ethernet

# ISA devices that use the old ISA shims
#device		le

# Wireless NIC cards
#device		wlan		# 802.11 support
#device		an		# Aironet 4500/4800 802.11 wireless NICs.
#device		awi		# BayStack 660 and others
#device		wi		# WaveLAN/Intersil/Symbol 802.11 wireless NICs.
#device		wl		# Older non 802.11 Wavelan wireless NIC.

# Pseudo devices.
device		loop		# Network loopback
device		mem		# Memory and kernel memory devices
device		io		# I/O device
device		random		# Entropy device
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		gif		# IPv6 and IPv4 tunneling
device		faith		# IPv6-to-IPv4 relaying (translation)

# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device		bpf		# Berkeley packet filter

# USB support
device		uhci		# UHCI PCI->USB interface
#device		ohci		# OHCI PCI->USB interface
#device		ehci		# EHCI PCI->USB interface (USB 2.0)
device		usb		# USB Bus (required)
#device		udbp		# USB Double Bulk Pipe devices
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		urio		# Diamond Rio 500 MP3 player
#device		uscanner	# Scanners
# USB Ethernet, requires mii
#device		aue		# ADMtek USB Ethernet
#device		axe		# ASIX Electronics USB Ethernet
#device		cdce		# Generic USB over Ethernet
#device		cue		# CATC USB Ethernet
#device		kue		# Kawasaki LSI USB Ethernet
#device		rue		# RealTek RTL8150 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!)
------------------
crash dump:
-----------------
FreeBSD localhost 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Sat Dec 17
13:02:27 IST 2005     abhijit at localhost:/usr/obj/usr/src/sys/LUGBURZ 
i386

Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x14
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc05fa3ea
stack pointer           = 0x28:0xd543ac6c
frame pointer           = 0x28:0xd543ac98
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         = 38 (swi0: sio)
trap number             = 12
panic: page fault
Uptime: 2h6m1s
Dumping 510 MB (2 chunks)
  chunk 0: 1MB (159 pages) ... ok
  chunk 1: 510MB (130528 pages) 494 478 462 446 430 414 398 382 366 350 334 318
302 286 270 254 238 222 206 190 174 158 142 126 110 94 78 62 46 30 14

#0  doadump () at pcpu.h:165
165             __asm __volatile("movl %%fs:0,%0" : "=r" (td));

(kgdb) list *0xc05fa3ea
0xc05fa3ea is at /usr/src/sys/i386/i386/support.s:490.
485             cmpl    %ecx,%eax                       /* overlapping && src <
dst? */
486             jb      1f
487
488             shrl    $2,%ecx                         /* copy by 32-bit words
*/
489             cld                                     /* nope, copy forwards *
/
490             rep
491             movsl
492             movl    20(%esp),%ecx
493             andl    $3,%ecx                         /* any bytes left? */
494             rep

(kgdb) backtrace
#0  doadump () at pcpu.h:165
#1  0xc04c524a in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:399
#2  0xc04c54e0 in panic (fmt=0xc061a027 "%s")
    at /usr/src/sys/kern/kern_shutdown.c:555
#3  0xc05fc318 in trap_fatal (frame=0xd543ac2c, eva=20)
    at /usr/src/sys/i386/i386/trap.c:831
#4  0xc05fc083 in trap_pfault (frame=0xd543ac2c, usermode=0, eva=20)
    at /usr/src/sys/i386/i386/trap.c:742
#5  0xc05fbce1 in trap (frame=
      {tf_fs = -1068695544, tf_es = -1050935256, tf_ds = 40, tf_edi = -105025878
8, tf_esi = 20, tf_ebp = -716985192, tf_isp = -716985256, tf_ebx = 5, tf_edx = 1
08, tf_ecx = 1, tf_eax = -1050258808, tf_trapno = 12, tf_err = 0, tf_eip = -1067
473942, tf_cs = 32, tf_eflags = 66050, tf_esp = 0, tf_ss = -1050240968})
    at /usr/src/sys/i386/i386/trap.c:432
#6  0xc05ebdca in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7  0xc05fa3ea in generic_bcopy () at /usr/src/sys/i386/i386/support.s:489
Previous frame inner to this frame (corrupt stack?)

(kgdb) bt full
#0  doadump () at pcpu.h:165
No locals.
#1  0xc04c524a in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:399
        first_buf_printf = 1
#2  0xc04c54e0 in panic (fmt=0xc061a027 "%s")
    at /usr/src/sys/kern/kern_shutdown.c:555
        td = (struct thread *) 0xc15cb180
        bootopt = 260
        newpanic = 0
        ap = 0xc15cb180 "H�\\��tX�"
        buf = "page fault", '\0' <repeats 245 times>
#3  0xc05fc318 in trap_fatal (frame=0xd543ac2c, eva=20)
    at /usr/src/sys/i386/i386/trap.c:831
        code = 40
        type = 12
        ss = 40
        esp = 0
        softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27,
  ssd_dpl = 0, ssd_p = 1, ssd_xx = 12, ssd_xx1 = 2, ssd_def32 = 1,
  ssd_gran = 1}
#4  0xc05fc083 in trap_pfault (frame=0xd543ac2c, usermode=0, eva=20)
    at /usr/src/sys/i386/i386/trap.c:742
        va = 0
        vm = (struct vmspace *) 0x0
 map = 0xc066b4e0
        rv = 1
        ftype = 1 '\001'
        td = (struct thread *) 0xc15cb180
        p = (struct proc *) 0xc15cac48
#5  0xc05fbce1 in trap (frame=
      {tf_fs = -1068695544, tf_es = -1050935256, tf_ds = 40, tf_edi = -105025878
8, tf_esi = 20, tf_ebp = -716985192, tf_isp = -716985256, tf_ebx = 5, tf_edx = 1
08, tf_ecx = 1, tf_eax = -1050258808, tf_trapno = 12, tf_err = 0, tf_eip = -1067
473942, tf_cs = 32, tf_eflags = 66050, tf_esp = 0, tf_ss = -1050240968})
    at /usr/src/sys/i386/i386/trap.c:432
        td = (struct thread *) 0xc15cb180
        p = (struct proc *) 0xc15cac48
        sticks = 3227972352
        i = 0
        ucode = 0
        type = 12
        code = 0
        eva = 20
#6  0xc05ebdca in calltrap () at /usr/src/sys/i386/i386/exception.s:139
No locals.
#7  0xc05fa3ea in generic_bcopy () at /usr/src/sys/i386/i386/support.s:489
No locals.


--
If Karl, instead of writing a lot about Capital, had made a lot of
Capital, it would have been much better.
                -- Karl Marx's Mother


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