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Date:      Thu, 26 Jul 2001 14:20:55 +0200 (MET DST)
From:      Per Andersson <pa@cdg.chalmers.se>
To:        <freebsd-stable@freebsd.org>
Subject:   Crashes with stable, IPv6 related?
Message-ID:  <Pine.GSO.4.33.0107261321510.21918-400000@wilfer4.cdg.chalmers.se>

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[-- Attachment #1 --]
After I cvsup:ed last time (about monday) and later rebuilt the system my
laptop have started to crash. As far as I can see it crashes in nd6_timer
so it might be IPv6 related.
I attach backtraces from two crashes and my kernel config.

	/Per Andersson



[-- Attachment #2 --]
Script started on Thu Jul 26 13:15:42 2001
bigblue# gdb -k kernel.debug.2 vmcore.2
GNU gdb 4.18
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"...
IdlePTD 3788800
initial pcb at 2ffea0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x48
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc01b1460
stack pointer	        = 0x10:0xcab46f60
frame pointer	        = 0x10:0xcab46f78
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		= 308 (setiathome)
interrupt mask		= 
trap number		= 12
panic: page fault

syncing disks... 4 
done
Uptime: 1d0h0m58s

dumping to dev #ad/0x40001, offset 426112
dump ata0: resetting devices .. done
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 /usr/src/sys/kern/kern_shutdown.c:472
472		if (dumping++) {
(kgdb) bt
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:472
#1  0xc013e27b in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:312
#2  0xc013e5f8 in poweroff_wait (junk=0xc02af48f, howto=-894166336)
    at /usr/src/sys/kern/kern_shutdown.c:559
#3  0xc0271509 in trap_fatal (frame=0xcab46f20, eva=72)
    at /usr/src/sys/i386/i386/trap.c:951
#4  0xc02711e1 in trap_pfault (frame=0xcab46f20, usermode=0, eva=72)
    at /usr/src/sys/i386/i386/trap.c:844
#5  0xc0270dcb in trap (frame={tf_fs = -1060044784, tf_es = 16, tf_ds = 16, 
      tf_edi = -1060578816, tf_esi = 12, tf_ebp = -894144648, 
      tf_isp = -894144692, tf_ebx = -1059401824, tf_edx = 0, tf_ecx = 6422528, 
      tf_eax = -1059496224, tf_trapno = 12, tf_err = 0, tf_eip = -1071967136, 
      tf_cs = 8, tf_eflags = 66054, tf_esp = 0, tf_ss = -1071967220})
    at /usr/src/sys/i386/i386/trap.c:443
#6  0xc01b1460 in nd6_timer (ignored_arg=0x0)
    at /usr/src/sys/netinet6/nd6.c:443
#7  0xc0143e81 in softclock () at /usr/src/sys/kern/kern_timeout.c:131
#8  0xc0264d5f in doreti_swi ()
#9  0x3263 in ?? ()
#10 0xef9b in ?? ()
#11 0x138fe in ?? ()
#12 0x13a25 in ?? ()
#13 0x2abb in ?? ()
#14 0x107e in ?? ()
(kgdb) quit
bigblue# exit
exit

Script done on Thu Jul 26 13:16:06 2001

[-- Attachment #3 --]
Script started on Thu Jul 26 13:15:21 2001
bigblue# gdb -k kernel.debug.2 vmcore.3	
GNU gdb 4.18
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"...
IdlePTD 3788800
initial pcb at 2ffea0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x48
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc01b1460
stack pointer	        = 0x10:0xcab46f60
frame pointer	        = 0x10:0xcab46f78
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		= 308 (setiathome)
interrupt mask		= 
trap number		= 12
panic: page fault

syncing disks... 4 
done
Uptime: 1d0h0m58s

dumping to dev #ad/0x40001, offset 426112
dump ata0: resetting devices .. done
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 succeeded
Automatic reboot in 15 seconds - press a key on the console to abort
Rebooting...
Copyright (c) 1992-2001 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 4.3-STABLE #6: Mon Jul 23 17:43:32 CEST 2001
    pa@bigblue.cdg.chalmers.se:/usr/obj/usr/src/sys/BIGBLUEG
Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (497.84-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  = 201261056 (196544K bytes)
avail memory = 192299008 (187792K bytes)
Preloaded elf kernel "kernel" at 0xc037e000.
Pentium Pro MTRR support enabled
md0: Malloc disk
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <NeoMagic MagicMedia 256AV SVGA controller> at 0.0 irq 11
pcic-pci0: <TI PCI-1450 PCI-CardBus Bridge> mem 0x50000000-0x50000fff irq 11 at device 2.0 on pci0
pcic-pci0: TI12XX PCI Config Reg: [speaker enable][pwr save][FUNC pci int + CSC serial isa irq]
pcic-pci1: <TI PCI-1450 PCI-CardBus Bridge> mem 0x50100000-0x50100fff irq 11 at device 2.1 on pci0
pcic-pci1: TI12XX PCI Config Reg: [speaker enable][pwr save][FUNC pci int + CSC serial isa irq]
csa0: <Crystal Semiconductor CS4614/4622/4624 Audio accelerator/4280 Audio controller> mem 0xf4000000-0xf40fffff,0xf4100000-0xf4100fff irq 11 at device 5.0 on pci0
pcm0: <CS461x PCM Audio> on csa0
isab0: <Intel 82371AB PCI to ISA bridge> at device 6.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0x1800-0x180f at device 6.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0x1820-0x183f irq 11 at device 6.2 on pci0
usb0: <Intel 82371AB/EB (PIIX4) 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
intpm0: <Intel 82371AB Power management controller> port 0x1040-0x104f irq 9 at device 6.3 on pci0
intpm0: I/O mapped 1040
intpm0: intr IRQ 9 enabled revision 0
smbus0: <System Management Bus> on intsmb0
smb0: <SMBus general purpose I/O> on smbus0
intpm0: PM I/O mapped 1000 
pci0: <unknown card> (vendor=0x11c1, dev=0x0448) at 7.0 irq 11
orm0: <Option ROMs> at iomem 0xc0000-0xcbfff,0xe8000-0xeffff on isa0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x200>
unknown: <PNP0000> can't assign resources
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 irq 1 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
unknown: <PNP0c02> can't assign resources
unknown: <PNP0c01> can't assign resources
pcic0: <Intel i82365SL-DF> at port 0x3e0-0x3e1 on isa0
pcic0: Polling mode
pccard0: <PC Card bus (classic)> on pcic0
pccard1: <PC Card bus (classic)> on pcic0
unknown: <PNP0680> can't assign resources
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
sio0: <16550A-compatible COM port> at port 0x3e8-0x3ef irq 4 on isa0
sio0: type 16550A
unknown: <IBM0071> can't assign resources
ppc0: <ECP parallel printer port> at port 0x378-0x37f,0x778-0x77f irq 7 drq 0 on isa0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
unknown: <IBM3780> can't assign resources
ad0: 11509MB <IBM-DARA-212000> [24944/15/63] at ata0-master UDMA33
Mounting root from ufs:/dev/ad0s3a
WARNING: / was not properly dismounted
pccard: card inserted, slot 1
ep0: <3Com 3C574B, Megahertz 3CCFE574BT or Fast Etherlink 3C574-TX> at port 0x280-0x29f irq 3 slot 1 on pccard1
ep0: Ethernet address 00:50:da:e4:ce:63
Connection attempt to TCP 129.16.12.19:1321 from 192.18.97.241:80
Connection attempt to TCP 129.16.12.19:111 from 200.15.122.205:111
Connection attempt to UDP 129.16.12.19:137 from 195.46.0.182:137
Connection attempt to UDP 129.16.12.19:137 from 195.46.0.182:137
Connection attempt to UDP 129.16.12.19:137 from 195.46.0.182:137
Connection attempt to UDP 129.16.12.19:137 from 195.46.0.182:137
Connection attempt to UDP 129.16.12.19:137 from 195.46.0.182:137
Connection attempt to UDP 129.16.12.19:137 from 195.46.0.182:137
Connection attempt to UDP 127.0.0.1:1050 from 127.0.0.1:53
Connection attempt to TCP 129.16.12.19:111 from 61.151.255.114:63747
Connection attempt to TCP 129.16.12.19:23 from 210.176.212.139:3787


Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x3f
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc01b1460
stack pointer	        = 0x10:0xcac36f60
frame pointer	        = 0x10:0xcac36f78
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		= 647 (setiathome)
interrupt mask		= 
trap number		= 12
panic: page fault

syncing disks... 7 
done
Uptime: 1d0h3m13s

dumping to dev #ad/0x40001, offset 426112
dump ata0: resetting devices .. done
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 /usr/src/sys/kern/kern_shutdown.c:472
472		if (dumping++) {
(kgdb) bt
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:472
#1  0xc013e27b in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:312
#2  0xc013e5f8 in poweroff_wait (junk=0xc02af48f, howto=-894158688)
    at /usr/src/sys/kern/kern_shutdown.c:559
#3  0xc0271509 in trap_fatal (frame=0xcac36f20, eva=63)
    at /usr/src/sys/i386/i386/trap.c:951
#4  0xc02711e1 in trap_pfault (frame=0xcac36f20, usermode=0, eva=63)
    at /usr/src/sys/i386/i386/trap.c:844
#5  0xc0270dcb in trap (frame={tf_fs = -1060569072, tf_es = 16, tf_ds = 16, 
      tf_edi = -1060582912, tf_esi = 3, tf_ebp = -893161608, 
      tf_isp = -893161652, tf_ebx = -1057348320, tf_edx = 0, tf_ecx = 6422528, 
      tf_eax = -1057767776, tf_trapno = 12, tf_err = 0, tf_eip = -1071967136, 
      tf_cs = 8, tf_eflags = 66054, tf_esp = 0, tf_ss = -1071967220})
    at /usr/src/sys/i386/i386/trap.c:443
#6  0xc01b1460 in nd6_timer (ignored_arg=0x0)
    at /usr/src/sys/netinet6/nd6.c:443
#7  0xc0143e81 in softclock () at /usr/src/sys/kern/kern_timeout.c:131
#8  0xc0264d5f in doreti_swi ()
#9  0x14a07 in ?? ()
#10 0x1425c in ?? ()
#11 0x3414 in ?? ()
#12 0xef9b in ?? ()
#13 0x138fe in ?? ()
#14 0x13a25 in ?? ()
#15 0x2abb in ?? ()
#16 0x107e in ?? ()
(kgdb) quit
bigblue# exit
exit

Script done on Thu Jul 26 13:15:39 2001

[-- Attachment #4 --]
# BIGBLUE config

machine		i386
cpu		I686_CPU
ident		BIGBLUEG
maxusers	32

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

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 	NFS			#Network Filesystem
options 	MSDOSFS			#MSDOS Filesystem
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		PNPBIOS

device		isa
device		pci

# Floppy drives
device		fdc0
device		fd0	at fdc0 drive 0

# ATA and ATAPI devices
device		ata
device		atadisk			# ATA disk drives
options 	ATA_STATIC_ID		#Static device numbering
#options 	ATA_ENABLE_ATAPI_DMA	#Enable DMA on ATAPI devices

# atkbdc0 controls both the keyboard and the PS/2 mouse
device		atkbdc0
device		atkbd0	at atkbdc? irq 1
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?

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

# Power management support (see LINT for more options)
device		apm0	at nexus?

# PCCARD (PCMCIA) support
device		card
#device		pcic0	at isa? irq 10 port 0x3e0 iomem 0xd0000
device		pcic0

# Serial (COM) ports
device		sio

# Parallel port
device		ppc0
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

# ISA Ethernet NICs.
device		ep
# WaveLAN/IEEE 802.11 wireless NICs. Note: the WaveLAN/IEEE really
# exists only as a PCMCIA device, so there is no ISA attatement needed
# and resources will always be dynamically assigned by the pccard code.
device		wi
# an: Aironet 4500/4800 802.11 wireless adapters. Supports the PCMCIA,
#     PCI and ISA varieties.
device		an

# For PnP/PCI sound cards
device		pcm
# csa:  Crystal Semiconductor CS461x/428x PCI
device		csa

#
# SMB bus
#
# System Management Bus support provided by the 'smbus' device.
#
# Supported devices:
# smb	standard io
#
# Supported interfaces:
# iicsmb I2C to SMB bridge with any iicbus interface
# intpm	Intel PIIX4 Power Management Unit
#
device		smbus		# Bus support, required for smb below.
device		intpm

device		smb

# Pseudo devices - the number indicates how many units to allocated.
pseudo-device	loop		# Network loopback
pseudo-device	ether		# Ethernet support
pseudo-device	vlan	1	# VLAN support
pseudo-device	ppp	1	# Kernel PPP
pseudo-device	tun		# Packet tunnel.
pseudo-device	pty		# Pseudo-ttys (telnet etc)
pseudo-device	md		# Memory "disks"
pseudo-device	gif	4	# IPv6 and IPv4 tunneling
pseudo-device	faith	1	# IPv6-to-IPv4 relaying (translation)
pseudo-device	stf		# 6to4 IPv6 over IPv4 encapsulation

# 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		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

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