Re: "ffs_mountroot: can't find rootvp" after cvsup and making worldfmen

From: Graham Menhennitt (gmenhennitt_at_optusnet.com.au)
Date: 03/26/05

  • Next message: James Wood: "installing FreeBSD on partition of a SATA Intel 865 raid0 volume"
    Date: Sat, 26 Mar 2005 10:16:30 +1100
    To: Doug White <dwhite@gumbysoft.com>
    
    

    Doug White wrote:

    >On Fri, 25 Mar 2005, Graham Menhennitt wrote:
    >
    >
    >
    >>I just cvsupped to the latest RELENG_5 (as of yesterday) and built and
    >>installed the world and a new kernel. When I boot the new kernel, I get
    >>an error "ffs_mountroot: can't find rootvp". At the "mountroot>" prompt,
    >>whatever I type (even '?') causes a crash and reboot. I can still boot
    >>my old kernel without a problem. The dmesg from the old kernel and a
    >>capture of the boot of the new kernel are below. Noticably absent from
    >>the new one is the line "ad0: 76319MB <ST380011A/3.06> [155061/16/63] at
    >>ata0-master UDMA100" which is my only disk drive.
    >>
    >>Can somebody please help?
    >>
    >>
    >
    >
    >
    Hi Doug. Thanks for responding.

    >If you break out of the beastie menu with '6' then enter:
    >
    >unload
    >boot kernel.old
    >
    >that will get you your old, working kernel. Make a backup of this kernel
    >before doing anything else by 'cd /boot; cp -Rp kernel.old kernel.WORKS'.
    >You can then reference this in loader by doing 'boot kernel.WORKS'.
    >
    >
    Already done that.

    >Next we need to determine why the disk did not probe. I'd suggest booting
    >with -v and looking for messages from ata about disk discovery.
    >
    >
    >
    A capture of the "boot -v" is below. It doesn't mean anything to me.

    >Did you change anything in your kernel config between these kernels?
    >
    >
    >
    No. My kernel config is below too.

    Thanks again for helping,
        Graham

    >>Thanks,
    >> Graham
    >>
    >> >>>>>>>>>>>>>>>>> old kernel <<<<<<<<<<<<<<<<<<<<<<
    >>
    >>Copyright (c) 1992-2005 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 5.3-STABLE #18: Fri Jan 21 06:23:06 EST 2005
    >> gfm@xxxx.xxx.xxx:/usr/obj/usr/src/sys/fang
    >>Timecounter "i8254" frequency 1193182 Hz quality 0
    >>CPU: Intel(R) Pentium(R) 4 CPU 1.70GHz (1700.03-MHz 686-class CPU)
    >> Origin = "GenuineIntel" Id = 0xf12 Stepping = 2
    >>
    >>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 = 335478784 (319 MB)
    >>avail memory = 322949120 (307 MB)
    >>npx0: [FAST]
    >>npx0: <math processor> on motherboard
    >>npx0: INT 16 interface
    >>acpi0: <GBT AWRDACPI> on motherboard
    >>acpi0: Power Button (fixed)
    >>Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
    >>acpi_timer0: <24-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
    >>cpu0: <ACPI CPU> on acpi0
    >>acpi_button0: <Power Button> on acpi0
    >>acpi_button1: <Sleep Button> on acpi0
    >>pcib0: <ACPI Host-PCI bridge> port 0x4000-0x40f7,0xcf8-0xcff on acpi0
    >>pci0: <ACPI PCI bus> on pcib0
    >>pcib1: <PCI-PCI bridge> at device 1.0 on pci0
    >>pci1: <PCI bus> on pcib1
    >>pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
    >>pci2: <ACPI PCI bus> on pcib2
    >>rl0: <RealTek 8139 10/100BaseTX> port 0xc000-0xc0ff mem
    >>0xe4000000-0xe40000ff irq 11 at device 9.0 on pci2
    >>miibus0: <MII bus> on rl0
    >>rlphy0: <RealTek internal media interface> on miibus0
    >>rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    >>rl0: Ethernet address: 00:20:ed:1c:da:f9
    >>pci2: <multimedia, audio> at device 10.0 (no driver attached)
    >>isab0: <PCI-ISA bridge> at device 31.0 on pci0
    >>isa0: <ISA bus> on isab0
    >>atapci0: <Intel ICH2 UDMA100 controller> port
    >>0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
    >>ata0: channel #0 on atapci0
    >>ata1: channel #1 on atapci0
    >>uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port
    >>0xd000-0xd01f irq 5 at device 31.2 on pci0
    >>uhci0: [GIANT-LOCKED]
    >>usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> 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: <serial bus, SMBus> at device 31.3 (no driver attached)
    >>uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
    >>0xd800-0xd81f irq 12 at device 31.4 on pci0
    >>uhci1: [GIANT-LOCKED]
    >>usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
    >>usb1: USB revision 1.0
    >>uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    >>uhub1: 2 ports with 2 removable, self powered
    >>fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
    >>fdc0: [FAST]
    >>sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
    >>acpi0
    >>sio0: type 16550A, console
    >>sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
    >>sio1: type 16550A
    >>ppc0: <Standard parallel printer port> port 0x778-0x77b,0x378-0x37f irq
    >>7 on acpi0
    >>ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
    >>ppbus0: <Parallel port bus> on ppc0
    >>ppbus0: IEEE1284 device found
    >>Probing for PnP devices on ppbus0:
    >>lpt0: <Printer> on ppbus0
    >>lpt0: Interrupt-driven port
    >>atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
    >>atkbd0: <AT Keyboard> irq 1 on atkbdc0
    >>kbd0 at atkbd0
    >>atkbd0: [GIANT-LOCKED]
    >>Timecounter "TSC" frequency 1700030560 Hz quality 800
    >>Timecounters tick every 10.000 msec
    >>acpi_cpu: throttling enabled, 2 steps (100% to 50.0%), currently 100.0%
    >>ad0: 76319MB <ST380011A/3.06> [155061/16/63] at ata0-master UDMA100
    >>Mounting root from ufs:/dev/ad0s1a
    >>
    >>
    >> >>>>>>>>>>>>>>>>>>>>> new kernel <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    >>/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-Console:
    >>serial port
    >>BIOS drive A: is disk0
    >>BIOS drive C: is disk1
    >>BIOS 639kB/326592kB available memory
    >>
    >>FreeBSD/i386 bootstrap loader, Revision 1.1
    >>(xxx@xxxx.xxx, Wed Mar 23 20:16:31 EST 2005)
    >>|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\Loading
    >>/boot/defaults/loader.conf
    >>|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/kernel
    >>text=0x252bec |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|data=0x2bbe8+0x30518
    >>/-\|/-\|/-\|syms=[0x4+0x36040/-\|/-\|/-\|/-+0x4+0x44316\|/-\|/-\|/-\|/-\]
    >>|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/Loading
    >>/boot/defaults/loader.conf
    >>-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-
    >>, , /( )` \ \___ /
    >>| /- _ `-/ ' (/\/ \ \
    >>/\ / / | ` \ O O ) /
    >>| `-^--'`< ' (_.) _ )
    >>/ `.___/` / `-----'
    >>/<----. __ / __ \<----|====O)))==) \)
    >>/====<----' `--' `.__,' \ |
    >>| \ / /\ ______( (_
    >>/ \______/ ,' ,-----' | `--{__________)³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÚÀ¿ÙWelcome
    >>to FreeBSD!1 . Boot FreeBSD [default]2 . Boot
    >>FreeBSD with ACPI disabled3 . Boot FreeBSD in Safe
    >>Mode4 . Boot FreeBSD in single user mode5 .
    >>Boot FreeBSD with verbose logging6 . Escape to loader
    >>prompt7 . RebootSelect option, [Enter] for
    >>defaultor [Space] to pause timer 10 10
    >>10 10 9 9 9 9
    >>9 9 9 9 9 9 9
    >>9 9 9 9 9 9 8
    >>8 8 8 8 8 8 8
    >>8 8 8 8 8 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-ACPI
    >>autoload failed - no such file or directory
    >>\|/-\|/Copyright (c) 1992-2005 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 5.4-PRERELEASE #19: Fri Mar 25 07:31:35 EST 2005
    >> xxx@xxxx.xxx:/usr/obj/usr/src/sys/fang
    >>Timecounter "i8254" frequency 1193182 Hz quality 0
    >>CPU: Intel(R) Pentium(R) 4 CPU 1.70GHz (1700.03-MHz 686-class CPU)
    >> Origin = "GenuineIntel" Id = 0xf12 Stepping = 2
    >>
    >>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 = 335478784 (319 MB)
    >>avail memory = 322957312 (307 MB)
    >>npx0: <math processor> on motherboard
    >>npx0: INT 16 interface
    >>cpu0 on motherboard
    >>pcib0: <Host to PCI bridge> pcibus 0 on motherboard
    >>pir0: <PCI Interrupt Routing Table: 9 Entries> on motherboard
    >>pci0: <PCI bus> on pcib0
    >>pcib1: <PCI-PCI bridge> at device 1.0 on pci0
    >>pci1: <PCI bus> on pcib1
    >>pcib2: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
    >>pci2: <PCI bus> on pcib2
    >>rl0: <RealTek 8139 10/100BaseTX> port 0xc000-0xc0ff mem
    >>0xe4000000-0xe40000ff irq 11 at device 9.0 on pci2
    >>miibus0: <MII bus> on rl0
    >>rlphy0: <RealTek internal media interface> on miibus0
    >>rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    >>rl0: Ethernet address: 00:20:ed:1c:da:f9
    >>pci2: <multimedia, audio> at device 10.0 (no driver attached)
    >>isab0: <PCI-ISA bridge> at device 31.0 on pci0
    >>isa0: <ISA bus> on isab0
    >>atapci0: <Intel ICH2 UDMA100 controller> port
    >>0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
    >>ata0: channel #0 on atapci0
    >>ata1: channel #1 on atapci0
    >>uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port
    >>0xd000-0xd01f irq 5 at device 31.2 on pci0
    >>usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> 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: <serial bus, SMBus> at device 31.3 (no driver attached)
    >>uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
    >>0xd800-0xd81f irq 12 at device 31.4 on pci0
    >>usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
    >>usb1: USB revision 1.0
    >>uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    >>uhub1: 2 ports with 2 removable, self powered
    >>atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
    >>atkbd0: <AT Keyboard> irq 1 on atkbdc0
    >>kbd0 at atkbd0
    >>fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5 irq 6 drq 2 on isa0
    >>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
    >>ppbus0: IEEE1284 device found
    >>Probing for PnP devices on ppbus0:
    >>lpt0: <Printer> on ppbus0
    >>lpt0: Interrupt-driven port
    >>sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
    >>sio0: type 16550A, console
    >>sio1 at port 0x2f8-0x2ff irq 3 on isa0
    >>sio1: type 16550A
    >>unknown: <PNP0303> can't assign resources (port)
    >>unknown: <PNP0501> can't assign resources (port)
    >>unknown: <PNP0700> can't assign resources (port)
    >>unknown: <PNP0400> can't assign resources (port)
    >>unknown: <PNP0501> can't assign resources (port)
    >>Timecounter "TSC" frequency 1700026032 Hz quality 800
    >>Timecounters tick every 10.000 msec
    >>Mounting root from ufs:/dev/ad0s1a
    >>setrootbyname failed
    >>ffs_mountroot: can't find rootvp
    >>Root mount failed: 6
    >>
    >>Manual root filesystem specification:
    >> <fstype>:<device> Mount <device> using filesystem <fstype>
    >> eg. ufs:da0s1a
    >> ? List valid disk boot devices
    >> <empty line> Abort manual input
    >>
    >>mountroot>
    >>_______________________________________________
    >>freebsd-stable@freebsd.org mailing list
    >>http://lists.freebsd.org/mailman/listinfo/freebsd-stable
    >>To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
    >>
    >>
    >>
    >
    >
    >
    >>>>>>>>>>>>>>>>>>>>>>>> new kernel with -v flag
    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-Console:
    serial port
    BIOS drive A: is disk0
    BIOS drive C: is disk1
    BIOS 639kB/326592kB available memory

    FreeBSD/i386 bootstrap loader, Revision 1.1
    (xxx@xxxx.xxx, Wed Mar 23 20:16:31 EST 2005)
    |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\Loading
    /boot/defaults/loader.conf
    |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/kernel
    text=0x252bec |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|data=0x2bbe8+0x30518
    /-\|/-\|/-\|syms=[0x4+0x36040/-\|/-\|/-\|/-+0x4+0x44316\|/-\|/-\|/-\|/-\]
    |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/Loading
    /boot/defaults/loader.conf
    -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-
    , , /( )` \ \___ /
    | /- _ `-/ ' (/\/ \ \
    /\ / / | ` \ O O ) /
    | `-^--'`< ' (_.) _ )
    / `.___/` / `-----'
    /<----. __ / __ \<----|====O)))==) \)
    /====<----' `--' `.__,' \ |
    | \ / /\ ______( (_
    / \______/ ,' ,-----' | `--{__________)³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³³ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÚÀ¿ÙWelcome
    to FreeBSD!1 . Boot FreeBSD [default]2 . Boot
    FreeBSD with ACPI disabled3 . Boot FreeBSD in Safe
    Mode4 . Boot FreeBSD in single user mode5 .
    Boot FreeBSD with verbose logging6 . Escape to loader
    prompt7 . RebootSelect option, [Enter] for
    defaultor [Space] to pause timer 10 10
    10 10 10 10 10 10
    9 9 9 9 9 9 

    Type '?' for a list of commands, 'help' for more detailed help.
    OK boot -v
    \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-ACPI
    autoload failed - no such file or directory
    \|/-\|/SMAP type=01 base=0000000000000000 len=000000000009fc00
    SMAP type=01 base=000000000009fc00 len=0000000000000400
    SMAP type=02 base=00000000000f0000 len=0000000000010000
    SMAP type=02 base=00000000fec00000 len=0000000001400000
    SMAP type=01 base=0000000000100000 len=0000000013ef0000
    SMAP type=03 base=0000000013ff3000 len=000000000000d000
    SMAP type=04 base=0000000013ff0000 len=0000000000003000
    Copyright (c) 1992-2005 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 5.4-PRERELEASE #19: Fri Mar 25 07:31:35 EST 2005
        xxx@xxxx.xxx:/usr/obj/usr/src/sys/fang
    Preloaded elf kernel "/boot/kernel/kernel" at 0xc072c000.
    Calibrating clock(s) ... i8254 clock: 1193225 Hz
    CLK_USE_I8254_CALIBRATION not specified - using default frequency
    Timecounter "i8254" frequency 1193182 Hz quality 0
    Calibrating TSC clock ... TSC clock: 1700030456 Hz
    CPU: Intel(R) Pentium(R) 4 CPU 1.70GHz (1700.03-MHz 686-class CPU)
      Origin = "GenuineIntel" Id = 0xf12 Stepping = 2
      
    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 = 335478784 (319 MB)
    Physical memory chunk(s):
    0x0000000000001000 - 0x000000000009ffff, 651264 bytes (159 pages)
    0x0000000000100000 - 0x00000000003fffff, 3145728 bytes (768 pages)
    0x0000000000825000 - 0x0000000013a1ffff, 320843776 bytes (78331 pages)
    avail memory = 322957312 (307 MB)
    bios32: Found BIOS32 Service Directory header at 0xc00faa40
    bios32: Entry = 0xfaed0 (c00faed0) Rev = 0 Len = 1
    pcibios: PCI BIOS entry at 0xf0000+0xaf00
    pnpbios: Found PnP BIOS data at 0xc00fb8f0
    pnpbios: Entry = f0000:b920 Rev = 1.0
    Other BIOS signatures found:
    null: <null device, zero device>
    random: <entropy source, Software, Yarrow>
    npx0: [FAST]
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    cpu0 on motherboard
    pci_open(1): mode 1 addr port (0x0cf8) is 0x80000090
    pci_open(1a): mode1res=0x80000000 (0x80000000)
    pci_cfgcheck: device 0 [class=060000] [hdr=00] is there (id=00000010)
    pcibios: BIOS version 2.10
    Found $PIR table, 9 entries at 0xc00fded0
    PCI-Only Interrupts: 5 9 10 11 12
    Location Bus Device Pin Link IRQs
    slot 1 0 2 A 0x60 3 4 5 7 9 10 11 12 14 15
    slot 1 0 2 B 0x61 3 4 5 7 9 10 11 12 14 15
    slot 1 0 2 C 0x62 3 4 5 7 9 10 11 12 14 15
    slot 1 0 2 D 0x63 3 4 5 7 9 10 11 12 14 15
    slot 2 2 8 A 0x68 3 4 5 7 9 10 11 12 14 15
    slot 2 2 8 B 0x69 3 4 5 7 9 10 11 12 14 15
    slot 2 2 8 C 0x6a 3 4 5 7 9 10 11 12 14 15
    slot 2 2 8 D 0x6b 3 4 5 7 9 10 11 12 14 15
    slot 3 2 0 A 0x62 3 4 5 7 9 10 11 12 14 15
    slot 3 2 0 B 0x69 3 4 5 7 9 10 11 12 14 15
    slot 3 2 0 C 0x6a 3 4 5 7 9 10 11 12 14 15
    slot 3 2 0 D 0x60 3 4 5 7 9 10 11 12 14 15
    slot 4 2 1 A 0x69 3 4 5 7 9 10 11 12 14 15
    slot 4 2 1 B 0x6a 3 4 5 7 9 10 11 12 14 15
    slot 4 2 1 C 0x60 3 4 5 7 9 10 11 12 14 15
    slot 4 2 1 D 0x62 3 4 5 7 9 10 11 12 14 15
    slot 5 2 2 A 0x6a 3 4 5 7 9 10 11 12 14 15
    slot 5 2 2 B 0x60 3 4 5 7 9 10 11 12 14 15
    slot 5 2 2 C 0x62 3 4 5 7 9 10 11 12 14 15
    slot 5 2 2 D 0x69 3 4 5 7 9 10 11 12 14 15
    slot 6 2 9 A 0x69 3 4 5 7 9 10 11 12 14 15
    slot 6 2 9 B 0x6a 3 4 5 7 9 10 11 12 14 15
    slot 6 2 9 C 0x60 3 4 5 7 9 10 11 12 14 15
    slot 6 2 9 D 0x62 3 4 5 7 9 10 11 12 14 15
    slot 7 2 10 A 0x6a 3 4 5 7 9 10 11 12 14 15
    slot 7 2 10 B 0x60 3 4 5 7 9 10 11 12 14 15
    slot 7 2 10 C 0x62 3 4 5 7 9 10 11 12 14 15
    slot 7 2 10 D 0x69 3 4 5 7 9 10 11 12 14 15
    embedded 0 31 A 0x60 3 4 5 7 9 10 11 12 14 15
    embedded 0 31 B 0x61 3 4 5 7 9 10 11 12 14 15
    embedded 0 31 C 0x6b 3 4 5 7 9 10 11 12 14 15
    embedded 0 31 D 0x63 3 4 5 7 9 10 11 12 14 15
    embedded 0 1 A 0x60 3 4 5 7 9 10 11 12 14 15
    embedded 0 1 B 0x61 3 4 5 7 9 10 11 12 14 15
    embedded 0 1 C 0x62 3 4 5 7 9 10 11 12 14 15
    embedded 0 1 D 0x63 3 4 5 7 9 10 11 12 14 15
    pcib0: <Host to PCI bridge> pcibus 0 on motherboard
    pir0: <PCI Interrupt Routing Table: 9 Entries> on motherboard
    $PIR: Links after initial probe:
    Link IRQ Rtd Ref IRQs
    0x60 255 N 8 3 4 5 7 9 10 11 12 14 15
    0x61 255 N 3 3 4 5 7 9 10 11 12 14 15
    0x62 255 N 7 3 4 5 7 9 10 11 12 14 15
    0x63 255 N 3 3 4 5 7 9 10 11 12 14 15
    0x68 255 N 1 3 4 5 7 9 10 11 12 14 15
    0x69 255 N 6 3 4 5 7 9 10 11 12 14 15
    0x6a 255 N 6 3 4 5 7 9 10 11 12 14 15
    0x6b 255 N 2 3 4 5 7 9 10 11 12 14 15
    $PIR: Found matching pin for 2.9.INTA at func 0: 11
    $PIR: Found matching pin for 2.10.INTA at func 0: 10
    $PIR: Found matching pin for 0.31.INTB at func 3: 9
    $PIR: Found matching pin for 0.31.INTC at func 4: 12
    $PIR: Found matching pin for 0.31.INTD at func 2: 5
    $PIR: Links after initial IRQ discovery:
    Link IRQ Rtd Ref IRQs
    0x60 255 N 8 3 4 5 7 9 10 11 12 14 15
    0x61 9 Y 3 3 4 5 7 9 10 11 12 14 15
    0x62 255 N 7 3 4 5 7 9 10 11 12 14 15
    0x63 5 Y 3 3 4 5 7 9 10 11 12 14 15
    0x68 255 N 1 3 4 5 7 9 10 11 12 14 15
    0x69 11 Y 6 3 4 5 7 9 10 11 12 14 15
    0x6a 10 Y 6 3 4 5 7 9 10 11 12 14 15
    0x6b 12 Y 2 3 4 5 7 9 10 11 12 14 15
    $PIR: IRQs used by BIOS: 5 9 10 11 12
    $PIR: Interrupt Weights:
    [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ]
    [ 0 0 0 0 0 3 0 0 0 3 6 6 2 0 0 0 ]
    pci0: <PCI bus> on pcib0
    pci0: physical bus=0
        map[10]: type 3, range 32, base e0000000, size 26, enabled
    found-> vendor=0x8086, dev=0x1a30, revid=0x03
        bus=0, slot=0, func=0
        class=06-00-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0006, statreg=0x2090, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
    found-> vendor=0x8086, dev=0x1a31, revid=0x03
        bus=0, slot=1, func=0
        class=06-04-00, hdrtype=0x01, mfdev=0
        cmdreg=0x0107, statreg=0x00a0, cachelnsz=0 (dwords)
        lattimer=0x40 (1920 ns), mingnt=0x06 (1500 ns), maxlat=0x00 (0 ns)
    found-> vendor=0x8086, dev=0x244e, revid=0x12
        bus=0, slot=30, func=0
        class=06-04-00, hdrtype=0x01, mfdev=0
        cmdreg=0x0107, statreg=0x0080, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x06 (1500 ns), maxlat=0x00 (0 ns)
    found-> vendor=0x8086, dev=0x2440, revid=0x12
        bus=0, slot=31, func=0
        class=06-01-00, hdrtype=0x00, mfdev=1
        cmdreg=0x000f, statreg=0x0280, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        map[20]: type 4, range 32, base 0000f000, size 4, enabled
    found-> vendor=0x8086, dev=0x244b, revid=0x12
        bus=0, slot=31, func=1
        class=01-01-80, hdrtype=0x00, mfdev=0
        cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        map[20]: type 4, range 32, base 0000d000, size 5, enabled
    $PIR: 0:31 INTD routed to irq 5
    found-> vendor=0x8086, dev=0x2442, revid=0x12
        bus=0, slot=31, func=2
        class=0c-03-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        intpin=d, irq=5
        map[20]: type 4, range 32, base 00005000, size 4, enabled
    $PIR: 0:31 INTB routed to irq 9
    found-> vendor=0x8086, dev=0x2443, revid=0x12
        bus=0, slot=31, func=3
        class=0c-05-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0001, statreg=0x0280, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        intpin=b, irq=9
        map[20]: type 4, range 32, base 0000d800, size 5, enabled
    $PIR: 0:31 INTC routed to irq 12
    found-> vendor=0x8086, dev=0x2444, revid=0x12
        bus=0, slot=31, func=4
        class=0c-03-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0005, statreg=0x0280, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        intpin=c, irq=12
    pcib1: <PCI-PCI bridge> at device 1.0 on pci0
    pcib1: secondary bus 1
    pcib1: subordinate bus 1
    pcib1: I/O decode 0xf000-0xfff
    pcib1: memory decode 0xfff00000-0xfffff
    pcib1: prefetched decode 0xfff00000-0xfffff
    pci1: <PCI bus> on pcib1
    pci1: physical bus=1
    pcib2: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
    pcib2: secondary bus 2
    pcib2: subordinate bus 2
    pcib2: I/O decode 0xc000-0xcfff
    pcib2: memory decode 0xe4000000-0xe40fffff
    pcib2: prefetched decode 0xfff00000-0xfffff
    pcib2: Subtractively decoded bridge.
    pci2: <PCI bus> on pcib2
    pci2: physical bus=2
        map[10]: type 4, range 32, base 0000c000, size 8, enabled
    pcib2: device (null) requested decoded I/O range 0xc000-0xc0ff
        map[14]: type 1, range 32, base e4000000, size 8, enabled
    pcib2: device (null) requested decoded memory range 0xe4000000-0xe40000ff
    $PIR: 2:9 INTA routed to irq 11
    found-> vendor=0x10ec, dev=0x8139, revid=0x10
        bus=2, slot=9, func=0
        class=02-00-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0007, statreg=0x0290, cachelnsz=0 (dwords)
        lattimer=0x20 (960 ns), mingnt=0x20 (8000 ns), maxlat=0x40 (16000 ns)
        intpin=a, irq=11
        powerspec 2 supports D0 D1 D2 D3 current D0
        map[10]: type 4, range 32, base 0000c400, size 6, enabled
    pcib2: device (null) requested decoded I/O range 0xc400-0xc43f
    $PIR: 2:10 INTA routed to irq 10
    found-> vendor=0x1274, dev=0x5880, revid=0x04
        bus=2, slot=10, func=0
        class=04-01-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0005, statreg=0x0410, cachelnsz=0 (dwords)
        lattimer=0x20 (960 ns), mingnt=0x0c (3000 ns), maxlat=0x80 (32000 ns)
        intpin=a, irq=10
        powerspec 2 supports D0 D1 D2 D3 current D0
    rl0: Reserved 0x100 bytes for rid 0x10 type 4 at 0xc000
    pcib2: device rl0 requested decoded I/O range 0xc000-0xc0ff
    rl0: <RealTek 8139 10/100BaseTX> port 0xc000-0xc0ff mem
    0xe4000000-0xe40000ff irq 11 at device 9.0 on pci2
    pcib2: device rl0 requested decoded I/O range 0xc000-0xc0ff
    miibus0: <MII bus> on rl0
    rlphy0: <RealTek internal media interface> on miibus0
    rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    rl0: bpf attached
    rl0: Ethernet address: 00:20:ed:1c:da:f9
    rl0: [MPSAFE]
    pci2: <multimedia, audio> at device 10.0 (no driver attached)
    isab0: <PCI-ISA bridge> at device 31.0 on pci0
    isa0: <ISA bus> on isab0
    atapci0: <Intel ICH2 UDMA100 controller> port
    0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
    atapci0: Reserved 0x10 bytes for rid 0x20 type 4 at 0xf000
    ata0: channel #0 on atapci0
    atapci0: Reserved 0x8 bytes for rid 0x10 type 4 at 0x1f0
    atapci0: Reserved 0x1 bytes for rid 0x14 type 4 at 0x3f6
    ata0: reset tp1 mask=03 ostat0=50 ostat1=00
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-master: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0-slave: stat=0x90 err=0x90 lsb=0x90 msb=0x90
    ata0: reset tp2 stat0=90 stat1=90 devices=0x0
    ata0: [MPSAFE]
    ata1: channel #1 on atapci0
    atapci0: Reserved 0x8 bytes for rid 0x18 type 4 at 0x170
    atapci0: Reserved 0x1 bytes for rid 0x1c type 4 at 0x376
    ata1: reset tp1 mask=03 ostat0=00 ostat1=00
    ata1-master: stat=0x01 err=0x01 lsb=0x01 msb=0x01
    ata1-slave: stat=0x01 err=0x01 lsb=0x01 msb=0x01
    ata1: reset tp2 stat0=01 stat1=01 devices=0x0
    ata1: [MPSAFE]
    uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port
    0xd000-0xd01f irq 5 at device 31.2 on pci0
    uhci0: Reserved 0x20 bytes for rid 0x20 type 4 at 0xd000
    uhci0: [GIANT-LOCKED]
    usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> 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: <serial bus, SMBus> at device 31.3 (no driver attached)
    uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
    0xd800-0xd81f irq 12 at device 31.4 on pci0
    uhci1: Reserved 0x20 bytes for rid 0x20 type 4 at 0xd800
    uhci1: [GIANT-LOCKED]
    usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
    usb1: USB revision 1.0
    uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub1: 2 ports with 2 removable, self powered
    ata: ata0 already exists; skipping it
    ata: ata1 already exists; skipping it
    Trying Read_Port at 203
    Trying Read_Port at 243
    Trying Read_Port at 283
    Trying Read_Port at 2c3
    Trying Read_Port at 303
    Trying Read_Port at 343
    Trying Read_Port at 383
    Trying Read_Port at 3c3
    pnpbios: 15 devices, largest 92 bytes
    PNP0200: adding dma mask 0x10
    PNP0200: adding io range 0-0xf, size=0x10, align=0
    PNP0200: adding io range 0x81-0x83, size=0x3, align=0
    PNP0200: adding io range 0x87-0x87, size=0x1, align=0
    PNP0200: adding io range 0x89-0x8b, size=0x3, align=0
    PNP0200: adding io range 0x8f-0x91, size=0x3, align=0
    PNP0200: adding io range 0xc0-0xdf, size=0x20, align=0
    pnpbios: handle 1 device ID PNP0200 (0002d041)
    PNP0100: adding irq mask 0x1
    PNP0100: adding io range 0x40-0x43, size=0x4, align=0
    pnpbios: handle 2 device ID PNP0100 (0001d041)
    PNP0b00: adding irq mask 0x100
    PNP0b00: adding io range 0x70-0x71, size=0x2, align=0
    pnpbios: handle 3 device ID PNP0b00 (000bd041)
    PNP0303: adding irq mask 0x2
    PNP0303: adding io range 0x60-0x60, size=0x1, align=0
    PNP0303: adding io range 0x64-0x64, size=0x1, align=0
    pnpbios: handle 4 device ID PNP0303 (0303d041)
    PNP0800: adding io range 0x61-0x61, size=0x1, align=0
    pnpbios: handle 5 device ID PNP0800 (0008d041)
    PNP0c04: adding irq mask 0x2000
    PNP0c04: adding io range 0xf0-0xff, size=0x10, align=0
    pnpbios: handle 6 device ID PNP0c04 (040cd041)
    INT0800: adding fixed memory32 range 0xffb80000-0xffbfffff, size=0x80000
    pnpbios: handle 7 device ID INT0800 (0008d425)
    PNP0c01: adding fixed memory32 range 0-0x9ffff, size=0xa0000
    PNP0c01: adding fixed memory32 range 0xffb00000-0xffb7ffff, size=0x80000
    PNP0c01: adding fixed memory32 range 0xfff00000-0xffffffff, size=0x100000
    PNP0c01: adding fixed memory32 range 0xfec00000-0xfec0ffff, size=0x10000
    PNP0c01: adding fixed memory32 range 0xfee00000-0xfee0ffff, size=0x10000
    PNP0c01: adding fixed memory32 range 0x100000-0x13ffffff, size=0x13f00000
    pnpbios: handle 8 device ID PNP0c01 (010cd041)
    PNP0c02: adding fixed memory32 range 0xf0000-0xf3fff, size=0x4000
    PNP0c02: adding fixed memory32 range 0xf4000-0xf7fff, size=0x4000
    PNP0c02: adding fixed memory32 range 0xf8000-0xfbfff, size=0x4000
    PNP0c02: adding fixed memory32 range 0xfc000-0xfffff, size=0x4000
    pnpbios: handle 9 device ID PNP0c02 (020cd041)
    PNP0a03: adding io range 0x294-0x297, size=0x4, align=0
    PNP0a03: adding io range 0x4d0-0x4d1, size=0x2, align=0
    PNP0a03: adding io range 0xcf8-0xcff, size=0x8, align=0
    PNP0a03: adding io range 0x4000-0x40f7, size=0xf8, align=0
    pnpbios: handle 10 device ID PNP0a03 (030ad041)
    PNP0501: adding irq mask 0x10
    PNP0501: adding io range 0x3f8-0x3ff, size=0x8, align=0
    pnpbios: handle 12 device ID PNP0501 (0105d041)
    PNP0700: adding dma mask 0x4
    PNP0700: adding io range 0x3f0-0x3f5, size=0x6, align=0
    PNP0700: adding io range 0x3f7-0x3f7, size=0x1, align=0
    PNP0700: adding irq mask 0x40
    pnpbios: handle 13 device ID PNP0700 (0007d041)
    PNP0400: adding irq mask 0x80
    PNP0400: adding io range 0x378-0x37f, size=0x8, align=0
    PNP0400: adding io range 0x778-0x77b, size=0x4, align=0
    pnpbios: handle 14 device ID PNP0400 (0004d041)
    PNP0501: adding irq mask 0x8
    PNP0501: adding io range 0x2f8-0x2ff, size=0x8, align=0
    pnpbios: handle 16 device ID PNP0501 (0105d041)
    sc: sc0 already exists; skipping it
    vga: vga0 already exists; skipping it
    isa_probe_children: disabling PnP devices
    isa_probe_children: probing non-PnP devices
    adv0: not probed (disabled)
    aha0: not probed (disabled)
    aic0: not probed (disabled)
    atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
    atkbd0: <AT Keyboard> irq 1 on atkbdc0
    kbd0 at atkbd0
    kbd0: atkbd0, generic (0), config:0x0, flags:0x1f0000
    atkbd0: [GIANT-LOCKED]
    psm0: current command byte:0067
    kbdc: TEST_AUX_PORT status:0000
    kbdc: RESET_AUX return code:00fe
    kbdc: RESET_AUX return code:00fe
    kbdc: RESET_AUX return code:00fe
    kbdc: DIAGNOSE status:0055
    kbdc: TEST_KBD_PORT status:0000
    psm0: failed to reset the aux device.
    bt0: not probed (disabled)
    cs0: not probed (disabled)
    ed0: not probed (disabled)
    fdc0: ic_type 90 part_id 80
    fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5 irq 6 drq 2 on isa0
    fdc0: ic_type 90 part_id 80
    fdc0: [MPSAFE]
    fdc0: [FAST]
    fe0: not probed (disabled)
    ie0: not probed (disabled)
    lnc0: not probed (disabled)
    pcic0 failed to probe at port 0x3e0 iomem 0xd0000 on isa0
    pcic1: not probed (disabled)
    ppc0: parallel port found at 0x378
    ppc0: using extended I/O port range
    ppc0: SPP
    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
    ppbus0: IEEE1284 device found
    Probing for PnP devices on ppbus0:
    lpt0: <Printer> on ppbus0
    lpt0: Interrupt-driven port
    sc0: no video adapter found.
    sc0: <System console> failed to probe on isa0
    sio0: irq maps: 0x1 0x11 0x1 0x1
    sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
    sio0: type 16550A, console
    sio1: irq maps: 0x1 0x9 0x1 0x1
    sio1 at port 0x2f8-0x2ff irq 3 on isa0
    sio1: type 16550A
    sio2: not probed (disabled)
    sio3: not probed (disabled)
    sn0: not probed (disabled)
    vga0: <Generic ISA VGA> failed to probe on isa0
    vt0: not probed (disabled)
    isa_probe_children: probing PnP devices
    unknown: <PNP0303> can't assign resources (port)
    unknown: <PNP0303> at port 0x60 on isa0
    unknown: <PNP0800> failed to probe at port 0x61 on isa0
    unknown: <INT0800> failed to probe at iomem 0xffb80000-0xffbfffff on isa0
    unknown: <PNP0501> can't assign resources (port)
    unknown: <PNP0501> at port 0x3f8-0x3ff on isa0
    unknown: <PNP0700> can't assign resources (port)
    unknown: <PNP0700> at port 0x3f0-0x3f5 on isa0
    unknown: <PNP0400> can't assign resources (port)
    unknown: <PNP0400> at port 0x378-0x37f on isa0
    unknown: <PNP0501> can't assign resources (port)
    unknown: <PNP0501> at port 0x2f8-0x2ff on isa0
    Device configuration finished.
    procfs registered
    Timecounter "TSC" frequency 1700030456 Hz quality 800
    Timecounters tick every 10.000 msec
    lo0: bpf attached
    Mounting root from ufs:/dev/ad0s1a
    setrootbyname failed
    ffs_mountroot: can't find rootvp
    Root mount failed: 6

    Manual root filesystem specification:
      <fstype>:<device> Mount <device> using filesystem <fstype>
                           eg. ufs:da0s1a
      ? List valid disk boot devices
      <empty line> Abort manual input

    mountroot>

    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> kernel config
    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    machine i386
    cpu I686_CPU
    ident fang

    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 NFSCLIENT #Network Filesystem Client
    options NFSSERVER #Network Filesystem Server
    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 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

    device isa
    device pci

    device fdc

    device ata
    device atadisk # ATA disk drives
    device atapicd # ATAPI CDROM drives
    options ATA_STATIC_ID #Static device numbering

    device atkbdc # AT keyboard controller
    device atkbd # AT keyboard
    device psm # PS/2 mouse

    device vga # VGA video card driver

    device sc

    device npx

    device sio # 8250, 16[45]50 based serial ports

    device ppc
    device ppbus # Parallel port bus (required)
    device lpt # Printer

    device rl # RealTek 8129/8139
    device miibus # MII bus support

    device random # Entropy device
    device loop # Network loopback
    device ether # Ethernet support
    device pty # Pseudo-ttys (telnet etc)

    #device pcm
    #device sbc

    device usb # USB Bus (required)
    device umass # Disks/Mass storage - Requires scbus and da
    device scbus # SCSI bus (required for SCSI)
    device da # Direct Access (disks)
    device pass # Passthrough device (direct SCSI access)
    device uhci # UHCI PCI->USB interface
    device ohci # OHCI PCI->USB interface

    device bpf # Berkeley packet filter

    _______________________________________________
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