ps Causes Hard Hang

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To: freebsd-current@freebsd.org
Date: Wed, 03 Mar 2004 09:21:30 -0800

I'm running 5 -CURRENT systems. My firewall system, using IPF, hard hangs
every time ps is entered -- totally unresponsive, requiring either a power
cycle or reset switch to bring it back to life.

Before I start digging into this seriously I'd like to possibly get info
from anyone who may have experienced this before.

Dmesg:

Copyright (c) 1992-2004 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 5.2-CURRENT #2: Wed Mar 3 06:30:44 PST 2004
    root@cwsys:/export/obj/opt/src/cvs-current/src/sys/KOMQUATS
Preloaded elf kernel "/boot/kernel/kernel" at 0xc075b000.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Pentium/P54C (150.07-MHz 586-class CPU)
  Origin = "GenuineIntel" Id = 0x52c Stepping = 12
  Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 50331648 (48 MB)
avail memory = 43896832 (41 MB)
Intel Pentium detected, installing workaround for F00F bug
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcibios: BIOS version 2.10
Found $PIR table, 5 entries at 0xc00f0a80
pcib0: <Host to PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
$PIR: 0:9 INTA routed to irq 5
$PIR: 0:10 INTA routed to irq 9
$PIR: 0:11 INTA routed to irq 12
$PIR: 0:12 INTA routed to irq 10
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 UDMA33 controller> port 0xe000-0xe00f at device 1.1
on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xd800-0xd81f at
device 1.2 on pci0
$PIR: 0:1 INTD routed to irq 5
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
pci0: <bridge, PCI-unknown> at device 1.3 (no driver attached)
ed0: <NE2000 PCI Ethernet (RealTek 8029)> port 0xd400-0xd41f irq 5 at
device 9.0 on pci0
ed0: address 00:60:67:66:4d:86, type NE2000 (16 bit)
dc0: <ADMtek AN985 10/100BaseTX> port 0xd000-0xd0ff mem
0xe7000000-0xe70003ff irq 9 at device 10.0 on pci0
dc0: Ethernet address: 00:03:6d:15:e4:d1
miibus0: <MII bus> on dc0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ed1: <NE2000 PCI Ethernet (ProLAN)> port 0xb800-0xb81f irq 12 at device
11.0 on pci0
ed1: address 00:20:78:12:5c:0c, type NE2000 (16 bit)
pci0: <display, VGA> at device 12.0 (no driver attached)
orm0: <Option ROMs> at iomem 0xdc000-0xdffff,0xc0000-0xc7fff on isa0
pmtimer0 on isa0
aha0 at port 0x330-0x333 irq 11 drq 5 on isa0
aha0: AHA-1542CP FW Rev. D.0 (ID=46) SCSI Host Adapter, SCSI ID 7, 16 CCBs
atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> at port
0x3f7,0x3f0-0x3f5 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
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
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: <PNP0400> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
unknown: <PNP0303> can't assign resources (port)
Timecounter "TSC" frequency 150066555 Hz quality 800
Timecounters tick every 10.000 msec
ad0: 2441MB <WDC AC22500L> [4960/16/63] at ata0-master WDMA2
Waiting 15 seconds for SCSI devices to settle
da0 at aha0 bus 0 target 0 lun 0
da0: <SEAGATE SX910800N 8514> Fixed Direct Access SCSI-2 device
da0: 10.000MB/s transfers (10.000MHz, offset 8)
da0: 8669MB (17755614 512 byte sectors: 64H 32S/T 8669C)
da1 at aha0 bus 0 target 1 lun 0
da1: <QUANTUM MAVERICK 540S 0901> Fixed Direct Access SCSI-2 device
da1: 10.000MB/s transfers (10.000MHz, offset 8)
da1: 516MB (1057758 512 byte sectors: 64H 32S/T 516C)
Mounting root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
IP Filter: v3.4.31 initialized. Default = pass all, Logging = enabled
ed0: promiscuous mode enabled
ed0: promiscuous mode disabled

cwfw$ kldstat
Id Refs Address Size Name
 1 5 0xc0400000 359a24 kernel
 2 1 0xc163e000 3000 fdescfs.ko
 3 1 0xc1642000 a000 unionfs.ko
 4 1 0xc165d000 16000 ipl.ko
 5 1 0xc1763000 4000 if_tun.ko
cwfw$

#
# 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 ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.384.2.2 2003/05/31 15:18:41
scottl Exp $

machine i386
# cpu I486_CPU
cpu I586_CPU
cpu I686_CPU
ident KOMQUATS

#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 SCHED_ULE #ULE 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 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 SHMALL=1025
options SHMALL=2049
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 PFIL_HOOKS

# Debugging for use in -current
##options DDB #Enable the kernel debugger
##options INVARIANTS #Enable calls of extra sanity checking
#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 #Enable checks to detect deadlocks and cycles
##options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
#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

#
# Add software watchdog routines. This will add some sysctl OIDs that
# can be used in combination with an external daemon to create a
# software-based watchdog solution.
#
options SW_WATCHDOG

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
# device atapicam # emulate ATAPI devices as SCSI ditto via CAM
                                        # needs CAM to be present (scbus & pass)
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 ips # IBM (Adaptec) ServeRAID
# 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 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 sk # SysKonnect SK-984x and 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 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 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 - 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 axe # ASIX Electronics 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!)
#
# SMB bus
#
# System Management Bus support is provided by the 'smbus' device.
# Access to the SMBus device is via the 'smb' device (/dev/smb*),
# which is a child of the 'smbus' device.
#
# Supported devices:
# smb standard io through /dev/smb*
#
# Supported SMB interfaces:
# iicsmb I2C to SMB bridge with any iicbus interface
# bktr brooktree848 I2C hardware interface
# intpm Intel PIIX4 Power Management Unit
# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit
# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA)
#
device smbus # Bus support, required for smb below.

# device intpm
# device alpm
device ichsmb

device smb

#
# I2C Bus
#
# Philips i2c bus support is provided by the `iicbus' device.
#
# Supported devices:
# ic i2c network interface
# iic i2c standard io
# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands.
#
# Supported interfaces:
# pcf Philips PCF8584 ISA-bus controller
# bktr brooktree848 I2C software interface
#
# Other:
# iicbb generic I2C bit-banging code (needed by lpbb, bktr)
#
device iicbus # Bus support, required for ic/iic/iicsmb below.
device iicbb

device ic
device iic
device iicsmb # smb over i2c bridge

# device pcf0 at isa? port 0x320 irq 5

Would enabling DDB in the event of a hard hang help determine the problem?

Cheers,

--
Cy Schubert <Cy.Schubert@komquats.com>        http://www.komquats.com/
BC Government                     .                       FreeBSD UNIX
Cy.Schubert@osg.gov.bc.ca         .                     cy@FreeBSD.org
http://www.gov.bc.ca/             .            http://www.FreeBSD.org/
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• Previous message: Craig Rodrigues: "Re: fix for libpthread"
• Next in thread: Garance A Drosihn: "Re: ps Causes Hard Hang"
• Reply: Garance A Drosihn: "Re: ps Causes Hard Hang"
• Reply: Robert Watson: "sysctl spinning (was: Re: ps Causes Hard Hang)"
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