dmesg 8.0-200811 lock order reversal?

[freebsd world]

acd0: DVDR <HL-DT-STDVD-RAM GH22LP20/1.02> at ata0-master UDMA66
ad14: 953868MB <WDC WD10EACS-00ZJB0 01.01B01> at ata7-master SATA300
ad16: 715404MB <Seagate ST3750640AS 3.AAJ> at ata8-master SATA150
ad18: 715404MB <Seagate ST3750640AS 3.AAJ> at ata9-master SATA150
ad20: 715404MB <Seagate ST3750640AS 3.AAJ> at ata10-master SATA150
SMP: AP CPU #3 Launched!
SMP: AP CPU #1 Launched!
SMP: AP CPU #2 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from ufs:/dev/ad14s1a
lock order reversal:
 1st 0xffffff000183c070 user map (user map) @ /usr/src/sys/vm/vm_map.c:3115
 2nd 0xffffff00051447f8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
__lockmgr_args() at __lockmgr_args+0xca8
ffs_lock() at ffs_lock+0x8c
VOP_LOCK1_APV() at VOP_LOCK1_APV+0x9b
_vn_lock() at _vn_lock+0x47
vget() at vget+0x8b
vnode_pager_lock() at vnode_pager_lock+0x1d0
vm_fault() at vm_fault+0x1e2
trap_pfault() at trap_pfault+0x128
trap() at trap+0x51c
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0x40014f, rsp = 0x7fffffffee70, rbp = 0x7fffffffee90 ---
re0: link state changed to DOWN
re0: link state changed to UP
re0: link state changed to DOWN
re0: link state changed to UP
lock order reversal:
 1st 0xfffffffee598b1c8 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2443
 2nd 0xffffff00057e2800 dirhash (dirhash) @
/usr/src/sys/ufs/ufs/ufs_dirhash.c:254
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
_sx_xlock() at _sx_xlock+0x55
ufsdirhash_acquire() at ufsdirhash_acquire+0x33
ufsdirhash_add() at ufsdirhash_add+0x19
ufs_direnter() at ufs_direnter+0x889
ufs_makeinode() at ufs_makeinode+0x338
VOP_CREATE_APV() at VOP_CREATE_APV+0x8d
vn_open_cred() at vn_open_cred+0x479
kern_openat() at kern_openat+0x15e
syscall() at syscall+0x1bf
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (5, FreeBSD ELF64, open), rip = 0x800a77c4c, rsp =
0x7fffffffe748, rbp = 0x1a4 ---
lock order reversal:
 1st 0xffffff00054f6ba8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047
 2nd 0xfffffffee598b1c8 bufwait (bufwait) @
/usr/src/sys/ufs/ffs/ffs_softdep.c:6150
 3rd 0xffffff00054f69d0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
__lockmgr_args() at __lockmgr_args+0xc2a
ffs_lock() at ffs_lock+0x8c
VOP_LOCK1_APV() at VOP_LOCK1_APV+0x9b
_vn_lock() at _vn_lock+0x47
vget() at vget+0x8b
vfs_hash_get() at vfs_hash_get+0xd5
ffs_vgetf() at ffs_vgetf+0x48
softdep_sync_metadata() at softdep_sync_metadata+0x459
ffs_syncvnode() at ffs_syncvnode+0x210
ffs_fsync() at ffs_fsync+0x18
ufs_direnter() at ufs_direnter+0x314
ufs_makeinode() at ufs_makeinode+0x338
VOP_CREATE_APV() at VOP_CREATE_APV+0x8d
vn_open_cred() at vn_open_cred+0x479
kern_openat() at kern_openat+0x15e
syscall() at syscall+0x1bf
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (5, FreeBSD ELF64, open), rip = 0x800a77c4c, rsp =
0x7fffffffe748, rbp = 0x1a4 ---

System still runs is this for just debuging if an error or is this an error?
Let me know if you need anything.

----------------
Ben
-------------- next part --------------
Copyright (c) 1992-2008 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 8.0-CURRENT-200811 #0: Wed Nov  5 00:45:26 UTC 2008
    root at mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
WARNING: WITNESS option enabled, expect reduced performance.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Phenom(tm) 9500 Quad-Core Processor (2210.07-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x100f22  Stepping = 2
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x802009<SSE3,MON,CX16,POPCNT>
  AMD Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!>
  AMD Features2=0x7ff<LAHF,CMP,SVM,ExtAPIC,CR8,<b5>,<b6>,<b7>,Prefetch,<b9>,<b10>>
  TSC: P-state invariant
  Cores per package: 4
usable memory = 8573689856 (8176 MB)
avail memory  = 8279220224 (7895 MB)
ACPI APIC Table: <GBT    GBTUACPI>
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
 cpu2 (AP): APIC ID:  2
 cpu3 (AP): APIC ID:  3
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.10.5.10 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112, RF2413, RF5413, RF2133, RF2425, RF2417)
acpi0: <GBT GBTUACPI> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, cfde0000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0xde00-0xdeff mem 0xd0000000-0xdfffffff,0xfd9e0000-0xfd9effff irq 18 at device 0.0 on pci1
pci1: <multimedia, HDA> at device 0.1 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 7.0 on pci0
pci2: <ACPI PCI bus> on pcib2
re0: <RealTek 8168/8168B/8168C/8168CP/8111B/8111C/8111CP PCIe Gigabit Ethernet> port 0xce00-0xceff mem 0xfdfff000-0xfdffffff irq 19 at device 0.0 on pci2
re0: turning off MSI enable bit.
re0: Chip rev. 0x38000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
rgephy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
re0: Ethernet address: 00:1a:4d:5d:41:ed
re0: [FILTER]
pcib3: <ACPI PCI-PCI bridge> at device 9.0 on pci0
pci3: <ACPI PCI bus> on pcib3
atapci0: <JMicron AHCI controller> port 0xbf00-0xbf07,0xbe00-0xbe03,0xbd00-0xbd07,0xbc00-0xbc03,0xbb00-0xbb0f mem 0xfddfe000-0xfddfffff irq 17 at device 0.0 on pci3
atapci0: [ITHREAD]
atapci0: AHCI Version 01.00 controller with 2 ports PM supported
ata2: <ATA channel 0> on atapci0
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci0
ata3: [ITHREAD]
pcib4: <ACPI PCI-PCI bridge> at device 10.0 on pci0
pci4: <ACPI PCI bus> on pcib4
atapci1: <JMicron JMB363 SATA300 controller> port 0xef00-0xef07,0xee00-0xee03,0xed00-0xed07,0xec00-0xec03,0xeb00-0xeb0f mem 0xfdbfe000-0xfdbfffff irq 18 at device 0.0 on pci4
atapci1: [ITHREAD]
atapci1: AHCI called from vendor specific driver
atapci1: AHCI Version 01.00 controller with 2 ports PM supported
ata4: <ATA channel 0> on atapci1
ata4: [ITHREAD]
ata5: <ATA channel 1> on atapci1
ata5: [ITHREAD]
ata6: <ATA channel 2> on atapci1
ata6: [ITHREAD]
atapci2: <ATI IXP600 SATA300 controller> port 0xff00-0xff07,0xfe00-0xfe03,0xfd00-0xfd07,0xfc00-0xfc03,0xfb00-0xfb0f mem 0xfe02f000-0xfe02f3ff irq 22 at device 18.0 on pci0
atapci2: [ITHREAD]
atapci2: AHCI Version 01.10 controller with 4 ports PM supported
ata7: <ATA channel 0> on atapci2
ata7: [ITHREAD]
ata8: <ATA channel 1> on atapci2
ata8: [ITHREAD]
ata9: <ATA channel 2> on atapci2
ata9: [ITHREAD]
ata10: <ATA channel 3> on atapci2
ata10: [ITHREAD]
ohci0: <OHCI (generic) USB controller> mem 0xfe02e000-0xfe02efff irq 16 at device 19.0 on pci0
ohci0: [GIANT-LOCKED]
ohci0: [ITHREAD]
usb0: OHCI version 1.0, legacy support
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: <ATI OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 2 ports with 2 removable, self powered
ohci1: <OHCI (generic) USB controller> mem 0xfe02d000-0xfe02dfff irq 17 at device 19.1 on pci0
ohci1: [GIANT-LOCKED]
ohci1: [ITHREAD]
usb1: OHCI version 1.0, legacy support
usb1: <OHCI (generic) USB controller> on ohci1
usb1: USB revision 1.0
uhub1: <ATI OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
uhub1: 2 ports with 2 removable, self powered
ohci2: <OHCI (generic) USB controller> mem 0xfe02c000-0xfe02cfff irq 18 at device 19.2 on pci0
ohci2: [GIANT-LOCKED]
ohci2: [ITHREAD]
usb2: OHCI version 1.0, legacy support
usb2: <OHCI (generic) USB controller> on ohci2
usb2: USB revision 1.0
uhub2: <ATI OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
uhub2: 2 ports with 2 removable, self powered
ohci3: <OHCI (generic) USB controller> mem 0xfe02b000-0xfe02bfff irq 17 at device 19.3 on pci0
ohci3: [GIANT-LOCKED]
ohci3: [ITHREAD]
usb3: OHCI version 1.0, legacy support
usb3: <OHCI (generic) USB controller> on ohci3
usb3: USB revision 1.0
uhub3: <ATI OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
uhub3: 2 ports with 2 removable, self powered
ohci4: <OHCI (generic) USB controller> mem 0xfe02a000-0xfe02afff irq 18 at device 19.4 on pci0
ohci4: [GIANT-LOCKED]
ohci4: [ITHREAD]
usb4: OHCI version 1.0, legacy support
usb4: <OHCI (generic) USB controller> on ohci4
usb4: USB revision 1.0
uhub4: <ATI OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb4
uhub4: 2 ports with 2 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe029000-0xfe0290ff irq 19 at device 19.5 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb5: EHCI version 1.0
usb5: companion controllers, 2 ports each: usb0 usb1 usb2 usb3 usb4
usb5: <EHCI (generic) USB 2.0 controller> on ehci0
usb5: USB revision 2.0
uhub5: <ATI EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb5
uhub5: 10 ports with 10 removable, self powered
pci0: <serial bus, SMBus> at device 20.0 (no driver attached)
atapci3: <ATI IXP600 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf900-0xf90f at device 20.1 on pci0
ata0: <ATA channel 0> on atapci3
ata0: [ITHREAD]
pci0: <multimedia, HDA> at device 20.2 (no driver attached)
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
pcib5: <ACPI PCI-PCI bridge> at device 20.4 on pci0
pci5: <ACPI PCI bus> on pcib5
fwohci0: <Texas Instruments TSB43AB23> mem 0xfd8ff000-0xfd8ff7ff,0xfd8f8000-0xfd8fbfff irq 22 at device 14.0 on pci5
fwohci0: [FILTER]
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:cd:cb:bc:00:00:1a:4d
fwohci0: Phy 1394a available S400, 3 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
dcons_crom0: <dcons configuration ROM> on firewire0
dcons_crom0: bus_addr 0x18e8000
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:cd:cb:00:1a:4d
fwe0: Ethernet address: 02:cd:cb:00:1a:4d
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 00:cd:cb:bc:00:00:1a:4d @ 0xfffe00000000, S400, maxrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FILTER]
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: [FILTER]
ppc0: <Parallel port> port 0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
plip0: WARNING: using obsoleted IFF_NEEDSGIANT flag
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model IntelliMouse, device ID 3
atrtc0: <AT realtime clock> port 0x70-0x73 on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
orm0: <ISA Option ROM> at iomem 0xd0000-0xd2fff 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
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
acd0: DVDR <HL-DT-STDVD-RAM GH22LP20/1.02> at ata0-master UDMA66
ad14: 953868MB <WDC WD10EACS-00ZJB0 01.01B01> at ata7-master SATA300
ad16: 715404MB <Seagate ST3750640AS 3.AAJ> at ata8-master SATA150
ad18: 715404MB <Seagate ST3750640AS 3.AAJ> at ata9-master SATA150
ad20: 715404MB <Seagate ST3750640AS 3.AAJ> at ata10-master SATA150
SMP: AP CPU #3 Launched!
SMP: AP CPU #1 Launched!
SMP: AP CPU #2 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from ufs:/dev/ad14s1a
lock order reversal:
 1st 0xffffff000183c070 user map (user map) @ /usr/src/sys/vm/vm_map.c:3115
 2nd 0xffffff00051447f8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
__lockmgr_args() at __lockmgr_args+0xca8
ffs_lock() at ffs_lock+0x8c
VOP_LOCK1_APV() at VOP_LOCK1_APV+0x9b
_vn_lock() at _vn_lock+0x47
vget() at vget+0x8b
vnode_pager_lock() at vnode_pager_lock+0x1d0
vm_fault() at vm_fault+0x1e2
trap_pfault() at trap_pfault+0x128
trap() at trap+0x51c
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0x40014f, rsp = 0x7fffffffee70, rbp = 0x7fffffffee90 ---
re0: link state changed to DOWN
re0: link state changed to UP
re0: link state changed to DOWN
re0: link state changed to UP
lock order reversal:
 1st 0xfffffffee598b1c8 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2443
 2nd 0xffffff00057e2800 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:254
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
_sx_xlock() at _sx_xlock+0x55
ufsdirhash_acquire() at ufsdirhash_acquire+0x33
ufsdirhash_add() at ufsdirhash_add+0x19
ufs_direnter() at ufs_direnter+0x889
ufs_makeinode() at ufs_makeinode+0x338
VOP_CREATE_APV() at VOP_CREATE_APV+0x8d
vn_open_cred() at vn_open_cred+0x479
kern_openat() at kern_openat+0x15e
syscall() at syscall+0x1bf
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (5, FreeBSD ELF64, open), rip = 0x800a77c4c, rsp = 0x7fffffffe748, rbp = 0x1a4 ---
lock order reversal:
 1st 0xffffff00054f6ba8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047
 2nd 0xfffffffee598b1c8 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:6150
 3rd 0xffffff00054f69d0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
__lockmgr_args() at __lockmgr_args+0xc2a
ffs_lock() at ffs_lock+0x8c
VOP_LOCK1_APV() at VOP_LOCK1_APV+0x9b
_vn_lock() at _vn_lock+0x47
vget() at vget+0x8b
vfs_hash_get() at vfs_hash_get+0xd5
ffs_vgetf() at ffs_vgetf+0x48
softdep_sync_metadata() at softdep_sync_metadata+0x459
ffs_syncvnode() at ffs_syncvnode+0x210
ffs_fsync() at ffs_fsync+0x18
ufs_direnter() at ufs_direnter+0x314
ufs_makeinode() at ufs_makeinode+0x338
VOP_CREATE_APV() at VOP_CREATE_APV+0x8d
vn_open_cred() at vn_open_cred+0x479
kern_openat() at kern_openat+0x15e
syscall() at syscall+0x1bf
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (5, FreeBSD ELF64, open), rip = 0x800a77c4c, rsp = 0x7fffffffe748, rbp = 0x1a4 ---