"witness exhausted"

From: Robert Huff (roberthuff_at_rcn.com)
Date: 08/23/04

  • Next message: John Baldwin: "Re: Boot code broken in some way in recent current (Was: Panic at boot)" 
    Date: Mon, 23 Aug 2004 14:09:43 -0400
To: current@freebsd.org

            I updated to

     FreeBSD 6.0-CURRENT #1: Fri Aug 20 15:02:58 EDT 2004

            and noticed in the boot messages:

    witness_get: witness exhausted

            What's going on, and is this something I need to worry about?
            (System config file and dmesg output are appended.)

                            Robert Huff


    #
    # JERUSALEM
    #
    # For more information read the handbook part System Administration ->
    # Configuring the FreeBSD Kernel -> The Configuration File.
    # The handbook is available in /usr/share/doc/handbook or online as
    # latest version from the FreeBSD World Wide Web server
    # <URL:http://www.FreeBSD.ORG/>
    #
    # An exhaustive list of options and more detailed explanations of the
    # device lines is present in the ./LINT configuration file. If you are
    # in doubt as to the purpose or necessity of a line, check first in
    LINT.
    #
    # $Id: GENERIC,v 1.125 1998/10/16 01:30:11 obrien Exp $

    machine i386
    #cpu "I386_CPU"
    #cpu "I486_CPU"
    #cpu "I586_CPU"
    cpu I686_CPU
    ident JERUSALEM
    maxusers 0
    options CPU_ENABLE_SSE

    #options MATH_EMULATE #Support for x87 emulation

    options SCHED_ULE

    options INET #InterNETworking
    options INET6 #IPv6 communications protocols

    options MAXDSIZ="(1024*1024*1024)"
    options MAXSSIZ="(256*1024*1024)"

    options IPX
    #options NCP #NetWare Core protocol

    options FFS #Berkeley Fast Filesystem
    options MSDOSFS #MSDOS Filesystem
    options CD9660 #ISO 9660 Filesystem
    #options NWFS #NetWare 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 SCSI_DELAY=100 #Be pessimistic about Joe SCSI
                                                            # note: value
    is in milliseconds
    #options SAFETY

    # Debugging for use in -current
    options KDB # Enable kernel debugger
    support.
    options DDB #Enable the kernel debugger
    makeoptions DEBUG=-g
    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

    options COMPAT_43 #Compatible with BSD 4.3 [KEEP
    THIS!]
    options COMPAT_FREEBSD4 #Compatible with FreeBSD4
    options SYSVSHM #SYSV-style shared memory
    options SYSVMSG #SYSV-style message queues
    options SYSVSEM #SYSV-style semaphores

    options COMPAT_AOUT

    # see java/62837

    #options COMPAT_LINUX

    #options LINPROCFS
    options PROCFS
    options PSEUDOFS

    # For StarOffice

    #options P1003_1B
    #options _KPOSIX_PRIORITY_SCHEDULING
    #options _KPOSIX_VERSION=199309L

    #options MD5

    # For Mars-nwe NetWare server

    #options IPX

    # for WINE

    #options USER_LDT #allow user-level control of i386 ldt

    #
    #

    #config kernel root on da0
    device isa
    device eisa
    device pci

    #device fdc0 at isa? port IO_FD1 irq 6 drq 2c
    device fdc

    #device fd at fdc drive 0
    #disk fd1 at fdc drive 1

    # Unless you know very well what you're doing, leave ft0 at drive 2, or
    # remove the line entirely if you don't need it. Trying to configure
    # it on another unit might cause surprises, see PR kern/7176.
    #tape ft0 at fdc0 drive 2

    #options "CMD640" # work around CMD640 chip
    deficiency
    #controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
    #disk wd0 at wdc0 drive 0
    #disk wd1 at wdc0 drive 1

    #controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
    #disk wd2 at wdc1 drive 0
    #disk wd3 at wdc1 drive 1

    #options ATAPI #Enable ATAPI support for IDE
    bus
    #options ATAPI_STATIC #Don't do it as an LKM
    #device wcd0 #IDE CD-ROM
    #device wfd0 #IDE Floppy (e.g. LS-120)

    # A single entry for any of these controllers (ncr, ahb, ahc, amd) is
    # sufficient for any number of installed devices.
    #controller ncr0
    #controller amd0
    #controller ahb0
    device ahc
    #controller isp0

    # This controller offers a number of configuration options, too many to
    # document here - see the LINT file in this directory and look up the
    # dpt0 entry there for much fuller documentation on this.
    #controller dpt0

    #controller adv0 at isa? port ? cam irq ?
    #controller adw0
    #controller bt0 at isa? port ? cam irq ?
    #controller aha0 at isa? port ? cam irq ?
    #controller uha0 at isa? port "IO_UHA0" bio irq ? drq 5 vector
    uhaintr
    #controller aic0 at isa? port 0x340 bio irq 11 vector aicintr
    #controller nca0 at isa? port 0x1f88 bio irq 10 vector ncaintr
    #controller nca1 at isa? port 0x350 bio irq 5 vector ncaintr
    #controller sea0 at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000
    vector seaintr

    device scbus
    device da # SCSI disk
    device sa # SCSI tape
    device pass
    device cd # Only need one of these, the code
    dynamically grows

    #device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
    #device mcd0 at isa? port 0x300 bio irq 10 vector mcdintr

    #controller matcd0 at isa? port 0x230 bio

    #device scd0 at isa? port 0x230 bio

    # syscons is the default console driver, resembling an SCO console
    #device sc at isa? flags 0x100
    device sc
    # at isa? port "IO_KBD" conflicts tty irq 1 vector scintr
    # Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
    ## 2/3/1999: new model console stuff
    #device atkbdc
    #device atkbd

    #device vt

    device vga
    device mgadrm
    device agp

    #device vt0 at isa? port "IO_KBD" conflicts tty irq 1 vector
    pcrint
    options XSERVER # support for X server
    #options FAT_CURSOR # start with block
    cursor

    # If you have a ThinkPAD, uncomment this along with the rest of the PCVT
    lines
    #options PCVT_SCANSET=2 # IBM keyboards are
    non-std

    device npx

    #
    # Laptop support (see LINT for more options)
    #
    #device apm0 at isa? disable flags 0x31 # Advanced Power
    Management

    # PCCARD (PCMCIA) support
    #controller card0
    #device pcic0 at card?
    #device pcic1 at card?

    device sio

    #device lpt0 at isa? port? tty irq 7 vector lptintr

    # Parallel-Port Bus
    #
    # Parallel port bus support is provided by the `ppbus' device.
    # Multiple devices may be attached to the parallel port, devices
    # are automatically probed and attached when found.
    #
    # Supported devices:
    # vpo Iomega Zip Drive
    # Requires SCSI disk support ('scbus' and 'da'), best
    # performance is achieved with ports in EPP 1.9 mode.
    # nlpt Parallel Printer, use _instead_ of lpt0
    # plip Parallel network interface
    # ppi General-purpose I/O ("Geek Port")
    # pps Pulse per second Timing Interface
    # lpbb Philips official parallel port I2C bit-banging interface
    #
    # Supported interfaces:
    # ppc ISA-bus parallel port interfaces.
    #

    device ppc
    device ppbus

    device lpt
    device plip
    device ppi

    ############

    # USB support

    device uhci
    device ohci
    device usb
    device ugen
    device uhid
    device ukbd
    options KBD_INSTALL_CDEV
    device ums
    #device uscanner

    ############

    #device psm at isa? port "IO_KBD" conflicts tty irq 12
    vector psmintr
    #device psm

    # Order is important here due to intrusive probes, do *not* alphabetize
    # this list of network interfaces until the probes have been fixed.
    # Right now it appears that the ie0 must be probed before ep0. See
    # revision 1.20 of this file.

    device de

    #device de0
    #device de1
    #device fxp0
    #device tl0
    #device tx0
    #device vx0
    #device xl0

    #device ed0 at isa? port 0x380 net irq 9 iomem 0xd8000 vector edintr
    #device ie0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector ieintr
    #device ep0 at isa? port 0x300 net irq 10 vector epintr
    #device ex0 at isa? port? net irq? vector exintr
    #device fe0 at isa? port 0x300 net irq ? vector feintr
    #device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
    #device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr
    #device ze0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zeintr
    #device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr
    #device cs0 at isa? port 0x300 net irq ? vector csintr

    #
    # see /usr/src/UPDATING
    #

    device mem # Memory and kernel memory devices
    device io # I/O device
    #device null # Null and zero devices

    device random

    device bpf
    device loop # Network loopback

    device ether
    #device sl 1
    #device ppp 0
    device tun
    device gif
    device pty
    #device gzip # Exec gzipped a.out's

    #
    # for IPFW/natd
    #

    options IPFIREWALL #firewall
    options IPFIREWALL_VERBOSE #print information about
                                                                     #
    dropped packets
    #options IPFIREWALL_FORWARD #enable xparent proxy support
    options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity
    options IPDIVERT #divert sockets

    options PFIL_HOOKS # see /usr/src/UPDATING

    #
    # IPv6
    #

    options IPV6FIREWALL #firewall for IPv6
    options IPV6FIREWALL_VERBOSE
    options IPV6FIREWALL_VERBOSE_LIMIT=100
    options IPV6FIREWALL_DEFAULT_TO_ACCEPT

    #
    # sound driver
    #

    #device pcm

    device sound

    device snd_cmi

    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 6.0-CURRENT #1: Fri Aug 20 15:02:58 EDT 2004
        huff@jerusalem.litteratus.org:/usr/obj/usr/src/sys/JERUSALEM
    WARNING: WITNESS option enabled, expect reduced performance.
    Timecounter "i8254" frequency 1193182 Hz quality 0
    CPU: Intel(R) Pentium(R) 4 CPU 2.26GHz (2266.76-MHz 686-class CPU)
      Origin = "GenuineIntel" Id = 0xf24 Stepping = 4
     
    Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE
    ,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
    real memory = 536854528 (511 MB)
    avail memory = 515690496 (491 MB)
    npx0: [FAST]
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    acpi0: <ASUS P4S533> on motherboard
    acpi0: Power Button (fixed)
    Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
    acpi_timer0: <24-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0
    cpu0: <ACPI CPU> on acpi0
    acpi_button0: <Power Button> on acpi0
    pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
    acpi link get: empty IRQ resource
    acpi link get: empty IRQ resource
    acpi link get: empty IRQ resource
    acpi link get: empty IRQ resource
    pci0: <ACPI PCI bus> on pcib0
    agp0: <SiS 645DX host to AGP bridge> mem 0xf4000000-0xf7ffffff at device
    0.0 on pci0
    pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
    pci1: <ACPI PCI bus> on pcib1
    drm0: <Matrox G400/G450 (AGP)> mem
    0xf3000000-0xf37fffff,0xf3800000-0xf3803fff,0xfc000000-0xfdffffff irq 11
    at device 0.0 on pci1
    info: [drm] AGP at 0xf4000000 64MB
    info: [drm] Initialized mga 3.1.0 20021029 on minor 0
    isab0: <PCI-ISA bridge> at device 2.0 on pci0
    isa0: <ISA bus> on isab0
    ohci0: <SiS 5571 USB controller> mem 0xf2800000-0xf2800fff irq 14 at
    device 2.2 on pci0
    ohci0: [GIANT-LOCKED]
    usb0: OHCI version 1.0, legacy support
    usb0: SMM does not respond, resetting
    usb0: <SiS 5571 USB controller> on ohci0
    usb0: USB revision 1.0
    uhub0: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub0: 3 ports with 3 removable, self powered
    uhub1: Texas Instruments TUSB2046 hub, class 9/0, rev 1.10/1.25, addr 2
    uhub1: 4 ports with 4 removable, bus powered
    ums0: Microsoft Microsoft IntelliMouse\M-. Explorer, rev 1.10/1.14, addr
    3, iclass 3/1
    ums0: 5 buttons and Z dir.
    ukbd0: Logitech Logitech USB Keyboard, rev 1.10/15.00, addr 4, iclass
    3/1
    kbd0 at ukbd0
    uhid0: Logitech Logitech USB Keyboard, rev 1.10/15.00, addr 4, iclass
    3/1
    ohci1: <SiS 5571 USB controller> mem 0xf2000000-0xf2000fff irq 5 at
    device 2.3 on pci0
    ohci1: [GIANT-LOCKED]
    usb1: OHCI version 1.0, legacy support
    usb1: SMM does not respond, resetting
    usb1: <SiS 5571 USB controller> on ohci1
    usb1: USB revision 1.0
    uhub2: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub2: 3 ports with 3 removable, self powered
    pci0: <mass storage, ATA> at device 2.5 (no driver attached)
    pcm0: <CMedia CMI8738> port 0xa800-0xa8ff at device 5.0 on pci0
    ahc0: <Adaptec 2940 Ultra2 SCSI adapter> port 0xa400-0xa4ff mem
    0xf1000000-0xf1000fff irq 10 at device 9.0 on pci0
    ahc0: [GIANT-LOCKED]
    aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs
    de0: <Digital 21140 Fast Ethernet> port 0xa000-0xa07f mem
    0xf0800000-0xf080007f at device 11.0 on pci0
    de0: [GIANT-LOCKED]
    de0: ZNYX ZX34X 21140 [10-100Mb/s] pass 1.1
    de0: Ethernet address: 00:c0:95:f8:17:af
    de1: <Digital 21140 Fast Ethernet> port 0x9800-0x987f mem
    0xf0000000-0xf000007f at device 12.0 on pci0
    de1: [GIANT-LOCKED]
    de1: ZNYX ZX34X 21140 [10-100Mb/s] pass 1.2
    de1: Ethernet address: 00:c0:95:f8:09:c1
    fdc0: <floppy drive controller> port 0x3f7,0x3f2-0x3f5 irq 6 drq 2 on
    acpi0
    fdc0: FIFO enabled, 8 bytes threshold
    fd0: <1440-KB 3.5" drive> on fdc0 drive 0
    ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0
    ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
    ppc0: FIFO with 16/16/16 bytes threshold
    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
    sio0 port 0x3f8-0x3ff irq 4 on acpi0
    sio0: type 16550A
    sio1 port 0x2f8-0x2ff irq 3 on acpi0
    sio1: type 16550A
    orm0: <ISA Option ROMs> at iomem
    0xcc000-0xd17ff,0xc8000-0xcbfff,0xc0000-0xc7fff on isa0
    sc0: <System console> at flags 0x100 on isa0
    sc0: VGA <16 virtual consoles, flags=0x300>
    vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
    isa0
    Timecounter "TSC" frequency 2266764180 Hz quality 800
    Timecounters tick every 10.000 msec
    IPv6 packet filtering initialized, default to accept, logging limited to
    100 packets/entry
    ipfw2 initialized, divert enabled, rule-based forwarding disabled,
    default to deny, logging limited to 100 packets/entry by default
    witness_get: witness exhausted
    acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
    de0: enabling 100baseTX port
    de1: enabling 100baseTX port
    de0: link down: cable problem?
    sa0 at ahc0 bus 0 target 2 lun 0
    sa0: <DEC DLT2000 15/30 GB 840B> Removable Sequential Access SCSI-2
    device
    sa0: 5.000MB/s transfers (5.000MHz, offset 15)
    da1 at ahc0 bus 0 target 4 lun 0
    da1: <SEAGATE SX150176LC BA11> Fixed Direct Access SCSI-2 device
    da1: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged Queueing
    Enabled
    da1: 47702MB (97693755 512 byte sectors: 255H 63S/T 6081C)
    da0 at ahc0 bus 0 target 0 lun 0
    da0: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device
    da0: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged Queueing
    Enabled
    da0: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)
    cd0 at ahc0 bus 0 target 3 lun 0
    cd0: <NEC CD-ROM DRIVE:222 3.0i> Removable CD-ROM SCSI-2 device
    cd0: 8.064MB/s transfers (8.064MHz, offset 15)
    cd0: Attempt to query device size failed: NOT READY, Medium not present
    Mounting root from ufs:/dev/da0s1a
    de0: enabling 10baseT port
    de1: enabling 100baseTX port

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  • Next message: John Baldwin: "Re: Boot code broken in some way in recent current (Was: Panic at boot)"