I've posted to several of the FreeBSD mailing lists about this issue
with no responses. Please guys, this is really causing problems in our
network. I can't tell if this is a kernel problem, a firewall problem,
or a NIC problem. If someone can give me an idea of where I need to look
to solve this it would be much appreciated. I'm running a VPN gateway
and firewall with IPFW handling the filtering, OpenVPN handling the VPN,
and IPNAT handling NAT for the subnet behind the public IP's. I've tried
this with IPFW and with IPFilter. Same result.
The machine has 5 public IP's (aliased to one interface), and 4 subnets
behind it. I've tried several different machines, all with different
configurations, and I'm getting the same result: core dump followed by
reboot.
If anyone has any idea, I'd appreciate some insight.
Here's some KGDB BT info:
kgdb /usr/src/sys/i386/compile/KNL04012009/kernel.debug /var/crash/vmcore.1
[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 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-marcel-freebsd".
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x4
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc388994b
stack pointer = 0x28:0xdceb59c8
frame pointer = 0x28:0xdceb5a44
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 = 26 (irq23: vr0)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 5d7h9m18s
Physical memory: 742 MB
Dumping 119 MB: 104 88 72 56 40 24 8
#0 doadump () at pcpu.h:195
195 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0xc05ba657 in boot (howto=260) at ../../../kern/kern_shutdown.c:409
#2 0xc05ba919 in panic (fmt=Variable "fmt" is not available.
) at ../../../kern/kern_shutdown.c:563
#3 0xc080c54c in trap_fatal (frame=0xdceb5988, eva=4) at
../../../i386/i386/trap.c:899
#4 0xc080c7b0 in trap_pfault (frame=0xdceb5988, usermode=0, eva=4) at
../../../i386/i386/trap.c:812
#5 0xc080d132 in trap (frame=0xdceb5988) at ../../../i386/i386/trap.c:490
#6 0xc07f3abb in calltrap () at ../../../i386/i386/exception.s:139
#7 0xc388994b in ?? ()
Previous frame inner to this frame (corrupt stack?)
Here's the kernel info:
cpu I686_CPU
ident KNL04012009
# 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 PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options SCTP # Stream Control Transmission
Protocol
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 UFS_GJOURNAL # Enable gjournal-based UFS
journaling
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_PART_GPT # GUID Partition Tables.
options GEOM_LABEL # Provides labelization
options COMPAT_43TTY # BSD 4.3 TTY compat [KEEP THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options COMPAT_FREEBSD5 # Compatible with FreeBSD5
options COMPAT_FREEBSD6 # Compatible with FreeBSD6
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 ADAPTIVE_GIANT # Giant mutex is adaptive.
options STOP_NMI # Stop CPUS using NMI instead of IPI
options AUDIT # Security event auditing
options IPFIREWALL
options IPDIVERT
# To make an SMP kernel, the next two lines are needed
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
# CPU frequency control
device cpufreq
# Bus support.
device eisa
device pci
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
options ATA_STATIC_ID # Static device numbering
# SCSI peripherals
device scbus # SCSI bus (required for SCSI)
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)
# 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 kbdmux # keyboard multiplexer
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
device agp # support several AGP chipsets
# Power management support (see NOTES for more options)
#device apm
# Add suspend/resume support for the i8254.
device pmtimer
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
device uart # Generic UART driver
# 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
# 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 le # AMD Am7900 LANCE and Am79C9xx PCnet
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 bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
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 msk # Marvell/SysKonnect Yukon II Gigabit
Ethernet
device nfe # nVidia nForce MCP on-board Ethernet
device nge # NatSemi DP83820 gigabit Ethernet
#device nve # nVidia nForce MCP on-board Ethernet
Networking
device pcn # AMD Am79C97x PCI 10/100 (precedence
over 'le')
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 stge # Sundance/Tamarack TC9021 gigabit Ethernet
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'')
# Pseudo devices.
device loop # Network loopback
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)
device firmware # firmware assist module
device bpf # Berkeley packet filter
Thanks in advance -
Erich
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