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FreeBSD 10.0-CURRENT #62: Wed Aug  8 00:35:50 JST 2012
    root@fuji.mutoh.dyndns.org:/usr/obj/usr/src/sys/GENERIC i386
WARNING: WITNESS option enabled, expect reduced performance.
CPU: Intel Pentium III (797.43-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x686  Family = 6  Model = 8  Stepping = 6
  Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 268435456 (256 MB)
avail memory = 236683264 (225 MB)
kbd1 at kbdmux0
ctl: CAM Target Layer loaded
apm0: <APM BIOS> on motherboard
apm0: found APM BIOS v1.2, connected at v1.2
pcib0 pcibus 0 on motherboard
pir0: <PCI Interrupt Routing Table: 7 Entries> on motherboard
pci0: <PCI bus> on pcib0
vgapci0: <VGA-compatible display> mem 0x24000000-0x27ffffff,0x21600000-0x2167ffff irq 9 at device 1.0 on pci0
agp0: <Intel 82810E (i810E GMCH) SVGA controller> on vgapci0
agp0: aperture size is 64M
pcib1: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
pci1: <PCI bus> on pcib1
fxp0: <Intel 82559 Pro/100 Ethernet> port 0x7000-0x703f mem 0x21000000-0x21000fff,0x21100000-0x211fffff irq 9 at device 0.0 on pci1
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> PHY 1 on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto, auto-flow
fxp0: Ethernet address: 00:e0:00:1f:73:32
cbb0: <TI1420 PCI-CardBus Bridge> at device 1.0 on pci1
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
cbb1: <TI1420 PCI-CardBus Bridge> at device 1.1 on pci1
cardbus1: <CardBus bus> on cbb1
pccard1: <16-bit PCCard bus> on cbb1
pci1: <multimedia, audio> at device 7.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH UDMA66 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x8080-0x808f at device 31.1 on pci0
ata0: <ATA channel> at channel 0 on atapci0
ata1: <ATA channel> at channel 1 on atapci0
uhci0: <Intel 82801AA (ICH) USB controller> port 0x8040-0x805f irq 5 at device 31.2 on pci0
uhci0: LegSup = 0x2f00
usbus0 on uhci0
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
cpu0 on motherboard
pmtimer0 on isa0
attimer0: <AT timer> at port 0x40-0x43 irq 0 pnpid PNP0100 on isa0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
atrtc0: <AT realtime clock> at port 0x70-0x73 irq 8 pnpid PNP0b00 on isa0
unknown: <PNP0c01> can't assign resources (memory)
unknown: <PNP0c02> can't assign resources (memory)
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 irq 1 pnpid PNP0303 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse, device ID 3
ppc0: <Standard parallel printer port> at port 0x378-0x37f irq 7 pnpid PNP0400 on isa0
ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
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
uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 pnpid PNP0501 on isa0
fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 pnpid PNP0700 on isa0
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
cbb2: Cannot allocate I/O
orm0: <ISA Option ROMs> at iomem 0xc0000-0xcbfff,0xcc000-0xd57ff pnpid ORM0000 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
unknown: <PNP0c01> can't assign resources (memory)
unknown: <PNP0c02> can't assign resources (memory)
cbb2: Cannot allocate I/O
Timecounters tick every 1.000 msec
usbus0: 12Mbps Full Speed USB v1.0
ugen0.1: <Intel> at usbus0
ata0: DMA limited to UDMA33, controller found non-ATA66 cable
uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
uhub0: 2 ports with 2 removable, self powered
ada0 at ata0 bus 0 scbus0 target 0 lun 0
ada0: <IC35L090AVV207-0 V23OA66A> ATA-6 device
ada0: 33.300MB/s transfers (UDMA2, PIO 8192bytes)
ada0: 39093MB (80063424 512 byte sectors: 16H 63S/T 16383C)
ada0: Previously was known as ad0
WARNING: WITNESS option enabled, expect reduced performance.
cd0 at ata0 bus 0 scbus0 target 1 lun 0
cd0: <MATSHITA CD-ROM CR-1760 ZF0G> Removable CD-ROM SCSI-0 device 
cd0: 16.700MB/s transfers (WDMA2, ATAPI 12bytes, PIO 65534bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present
Trying to mount root from ufs:/dev/ad0s1a [rw]...
lock order reversal:
 1st 0xc30d8f60 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2652
 2nd 0xc5b1d200 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:284
KDB: stack backtrace:
db_trace_self_wrapper(c0fe967b,7366752f,7366752f,7269645f,68736168,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0ad445b,c0fed0c8,c12eb700,11c,cdcf2860,...) at kdb_backtrace+0x2a
_witness_debugger(c0fed0c8,c5b1d200,c101e55a,c3575b80,c101e1df,...) at _witness_debugger+0x25
witness_checkorder(c5b1d200,9,c101e1df,11c,0,...) at witness_checkorder+0x86f
_sx_xlock(c5b1d200,0,c101e1df,11c,c5bbec3c,...) at _sx_xlock+0x9a
ufsdirhash_acquire(c30d8f00,c5bbec3c,cdcf29c0,c87821e0,cdcf2930,...) at ufsdirhash_acquire+0x35
ufsdirhash_add(c5bbec3c,cdcf29c0,21e0,cdcf291c,cdcf2920,...) at ufsdirhash_add+0x13
ufs_direnter(c5b8ae6c,c5d58e6c,cdcf29c0,cdcf2b5c,c30f0d80,...) at ufs_direnter+0x749
ufs_mkdir(cdcf2bec,c5b2aa40,c115cfc0,c5b8ae6c,cdcf2c00,...) at ufs_mkdir+0x995
VOP_MKDIR_APV(c114ad40,cdcf2bec,cdcf2b5c,cdcf2b84,0,...) at VOP_MKDIR_APV+0xda
kern_mkdirat(c5b5dbc0,ffffff9c,88803020,0,1c0,...) at kern_mkdirat+0x2a1
kern_mkdir(c5b5dbc0,88803020,0,1c0,cdcf2cfc,...) at kern_mkdir+0x2e
sys_mkdir(c5b5dbc0,cdcf2ccc,c10388e8,c0fede33,28,...) at sys_mkdir+0x29
syscall(cdcf2d08) at syscall+0x2de
Xint0x80_syscall() at Xint0x80_syscall+0x21
--- syscall (136, FreeBSD ELF32, sys_mkdir), eip = 0x8816ac13, esp = 0xbfbfd8fc, ebp = 0xbfbfdda8 ---