5.2.1-RC2 kernel panic 12

Robert Watson rwatson at freebsd.org
Fri Feb 13 17:17:58 PST 2004


On Fri, 13 Feb 2004, Dave McCammon wrote:

> I'm getting a kernel panic when attempting to mount an nwfs fs or when
> doing a "ncplist s". I believe it also panics on shutdown with IPXrouted
> but not 100 percent sure. I will verify soon if someone need the info. 
> 
> getting a kernel panic 12 
> with instruction pointer at
> c051ccb6.
> 
> "nm /boot/kernel/kernel |grep c051ccb6" turns up nothing
> "nm /boot/kernel/kernel |grep c051ccb" turns up
> #c051ccb0 T turnstile_head
> 
> Kernel panic references 
> "stopped at turnstile_head + 0x6 mov1 0(%eax), %eax" 
> or something similar.
> there is other but I can't seem to capture it.
> Haven't been able to get a crash dump either.
> 
> I was able to do the netware stuff fine until I upgraded from 5.2
> release to 5.2.1. Upgraded to rc2 wednesday and am still having problem. 

I'm not aware of any changes in the RC2 snap relating to this code,
however, it could be a change in memory layout or the like has triggered
an existing bug.

Two requests:

(1) You have options DDB compiled into your kernel.  Could you hook up a
    serial console and type in "trace" and "ps" when you get to the panic,
    then paste the full panic message and trace into an e-mail? 

(2) If the system isn't in production use, or you can afford to
    temporarily try out 5.2-CURRENT, it would be very useful to know if
    the problem is present there. 

Also, it might be interesting to try compiling in the various modules,
such as ef, netncp, nwfs, into the kernel directly, just to see if it
makes a difference.  Also, just to check: the kernel modules you're using
are all from the kernel build you did, and not from another kernel?

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Senior Research Scientist, McAfee Research

> 
> /boot/loader.conf *******
> if_ef_load="YES"
> ncp_load="YES"
> nwfs_load="YES"
> 
> /etc/rc.conf******
> 
> font8x14="NO"
> font8x16="swiss-8x16"
> font8x8="swiss-8x8"
> allscreens_flags="-g 100x37 VESA_800x600"
> hostname="A171658"
> ifconfig_rl0="DHCP"
> ifconfig_rl0f1_ipx="ipx 0x71ad01b"
> kern_securelevel_enable="NO"
> keyrate="fast"
> linux_enable="YES"
> moused_enable="NO"
> moused_type="NO"
> sendmail_enable="NO"
> sshd_enable="YES"
> #usbd_enable="YES"
> apm_enable="YES"	
> syslogd_flags="-ss"
> ipxrouted_enable="YES"		# Set to YES to run the IPX routing daemon.
> #ipxrouted_flags=""		# Flags for IPX routing daemon.
> ntpd_enable="YES"		# Run ntpd Network Time Protocol (or NO).
> dumpdev="/dev/ad0s2b"		# Device name to crashdump to (or NO).
> #dumpdir="/usr/crash"	# Directory where crash dumps are to be stored
> savecore_flags=""	# Used if dumpdev is enabled above, and present.
> 
> kernel config*******
> 
> machine		i386
> #cpu		I486_CPU
> #cpu		I586_CPU
> cpu		I686_CPU
> ident		ABY
> maxusers	0
> 
> #To statically compile in device wiring instead of /boot/device.hints
> #hints		"GENERIC.hints"		#Default places to look for devices.
> 
> makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
> 
> options 	SCHED_4BSD		#4BSD scheduler
> 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 root device, requires NFSCLIENT
> #options 	MSDOSFS			#MSDOS Filesystem
> #options 	CD9660			#ISO 9660 Filesystem
> options 	PROCFS			#Process filesystem (requires PSEUDOFS)
> options 	PSEUDOFS		#Pseudo-filesystem framework
> options 	COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
> options 	COMPAT_FREEBSD4		#Compatible with FreeBSD4
> #options		COMPAT_LINUX		#Linux Compatibility
> #options 	SCSI_DELAY=15000	#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		IPX			# IPX for netware
> #options		NWFS
> #options		NCP
> 
> # Debugging for use in -current
> options 	DDB			#Enable the kernel debugger
> #options 	INVARIANTS		#Enable calls of extra sanity checking
> #options 	INVARIANT_SUPPORT	#Extra sanity checks of internal structures, required by INVARIANTS
> #options 	WITNESS			#Enable checks to detect deadlocks and cycles
> #options 	WITNESS_SKIPSPIN	#Don't run witness on spinlocks for speed
> 
> # To make an SMP kernel, the next two are needed
> #options 	SMP			# Symmetric MultiProcessor Kernel
> #options 	APIC_IO			# Symmetric (APIC) I/O
> 
> device		isa
> device		eisa
> device		pci
> 
> # Floppy drives
> device		fdc
> 
> # ATA and ATAPI devices
> 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 + 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
> 
> # RAID controllers interfaced to the SCSI subsystem
> #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		iir		# Intel Integrated RAID
> #device		mly		# Mylex AcceleRAID/eXtremeRAID
> 
> # SCSI peripherals
> device		scbus		# SCSI bus (required)
> #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
> #device		aac		# Adaptec FSA RAID
> #device		aacp		# SCSI passthrough for aac (requires CAM)
> #device		amr		# AMI MegaRAID
> #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
> options		VESA
> options		SC_PIXEL_MODE
> 
> #device		splash		# Splash screen and screen saver support
> #Sound
> device 		pcm
> 
> # 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		pcic			# ExCA ISA and PCI bridges
> #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
> 
> 
> # PCI Ethernet NICs.
> #device		de		# DEC/Intel DC21x4x (``Tulip'')
> #device		em		# Intel PRO/1000 adapter Gigabit 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		dc		# DEC/Intel 21143 and various workalikes
> #device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
> 
> #device		pcn		# AMD Am79C97x PCI 10/100 (precedence over 'lnc')
> 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 BCM570xx Gigabit Ethernet
> 
> # 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		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 - the number indicates how many units to allocate.
> device		random		# Entropy device
> device		loop		# Network loopback
> 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!
> 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		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		cue		# CATC USB ethernet
> #device		kue		# Kawasaki LSI USB ethernet
> 
> #Pseudon-device for ethernet frame types
> #device 		ef
> #options		ETHER_8022
> _______________________________________________
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