lock order reversal

From: Jeff Anton <antonfb_at_hesiod.org>
Date: Sun, 24 Feb 2008 10:44:16 -0800
Hi,
	FYI: I just built a new kernel and I'm getting a bunch of
lock order reversal reports.  No apparent ill effects, but
disconcerting.  I built my last kernel, which did not complain,
on Feb 3rd.

Jeff Anton


Feb 24 09:07:45 atlas login: ROOT LOGIN (root) ON ttyv0
Feb 24 09:08:43 atlas reboot: rebooted by root
Feb 24 09:08:44 atlas syslogd: exiting on signal 15
Feb 24 09:17:23 atlas syslogd: kernel boot file is /boot/kernel/kernel
Feb 24 09:17:23 atlas kernel: Copyright (c) 1992-2008 The FreeBSD Project.
Feb 24 09:17:23 atlas kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
Feb 24 09:17:23 atlas kernel: The Regents of the University of California. All rights reserved.
Feb 24 09:17:23 atlas kernel: FreeBSD is a registered trademark of The FreeBSD Foundation.
Feb 24 09:17:23 atlas kernel: FreeBSD 8.0-CURRENT #0: Sun Feb 24 00:18:09 PST 2008
Feb 24 09:17:23 atlas kernel: anton_at_atlas.hesiod.org:/usr/src/sys/i386/compile/ATLAS
Feb 24 09:17:23 atlas kernel: WARNING: WITNESS option enabled, expect reduced performance.
Feb 24 09:17:23 atlas kernel: Timecounter "i8254" frequency 1193182 Hz quality 0
Feb 24 09:17:23 atlas kernel: CPU: Dual Core AMD Opteron(tm) Processor 165 (1808.34-MHz 686-class CPU)
Feb 24 09:17:23 atlas kernel: Origin = "AuthenticAMD"  Id = 0x20f32  Stepping = 2
Feb 24 09:17:23 atlas kernel: 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>
Feb 24 09:17:23 atlas kernel: Features2=0x1<SSE3>
Feb 24 09:17:23 atlas kernel: AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow!+,3DNow!>
Feb 24 09:17:23 atlas kernel: AMD Features2=0x3<LAHF,CMP>
Feb 24 09:17:23 atlas kernel: Cores per package: 2
Feb 24 09:17:23 atlas kernel: real memory  = 2146304000 (2046 MB)
Feb 24 09:17:23 atlas kernel: avail memory = 2097061888 (1999 MB)
Feb 24 09:17:23 atlas kernel: ACPI APIC Table: <Nvidia AWRDACPI>
Feb 24 09:17:23 atlas kernel: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
Feb 24 09:17:23 atlas kernel: cpu0 (BSP): APIC ID:  0
Feb 24 09:17:23 atlas kernel: cpu1 (AP): APIC ID:  1
Feb 24 09:17:23 atlas kernel: ioapic0: Changing APIC ID to 2
Feb 24 09:17:23 atlas kernel: ioapic0 <Version 1.1> irqs 0-23 on motherboard
Feb 24 09:17:23 atlas kernel: kbd1 at kbdmux0
Feb 24 09:17:23 atlas kernel: acpi0: <Nvidia AWRDACPI> on motherboard
Feb 24 09:17:23 atlas kernel: acpi0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: acpi0: Power Button (fixed)
Feb 24 09:17:23 atlas kernel: acpi0: reservation of 0, a0000 (3) failed
Feb 24 09:17:23 atlas kernel: acpi0: reservation of 100000, 7fde0000 (3) failed
Feb 24 09:17:23 atlas kernel: Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
Feb 24 09:17:23 atlas kernel: acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
Feb 24 09:17:23 atlas kernel: cpu0: <ACPI CPU> on acpi0
Feb 24 09:17:23 atlas kernel: powernow0: <Cool`n'Quiet K8> on cpu0
Feb 24 09:17:23 atlas kernel: cpu1: <ACPI CPU> on acpi0
Feb 24 09:17:23 atlas kernel: powernow1: <Cool`n'Quiet K8> on cpu1
Feb 24 09:17:23 atlas kernel: acpi_button0: <Power Button> on acpi0
Feb 24 09:17:23 atlas kernel: pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
Feb 24 09:17:23 atlas kernel: pci0: <ACPI PCI bus> on pcib0
Feb 24 09:17:23 atlas kernel: pci0: <memory> at device 0.0 (no driver attached)
Feb 24 09:17:23 atlas kernel: isab0: <PCI-ISA bridge> at device 1.0 on pci0
Feb 24 09:17:23 atlas kernel: isa0: <ISA bus> on isab0
Feb 24 09:17:23 atlas kernel: pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
Feb 24 09:17:23 atlas kernel: ohci0: <OHCI (generic) USB controller> mem 0xfebff000-0xfebfffff irq 21 at device 2.0 on pci0
Feb 24 09:17:23 atlas kernel: ohci0: [GIANT-LOCKED]
Feb 24 09:17:23 atlas kernel: ohci0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: usb0: OHCI version 1.0, legacy support
Feb 24 09:17:23 atlas kernel: usb0: <OHCI (generic) USB controller> on ohci0
Feb 24 09:17:23 atlas kernel: usb0: USB revision 1.0
Feb 24 09:17:23 atlas kernel: uhub0: <nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
Feb 24 09:17:23 atlas kernel: uhub0: 8 ports with 8 removable, self powered
Feb 24 09:17:23 atlas kernel: ehci0: <NVIDIA nForce4 USB 2.0 controller> mem 0xfeb00000-0xfeb000ff irq 22 at device 2.1 on pci0
Feb 24 09:17:23 atlas kernel: ehci0: [GIANT-LOCKED]
Feb 24 09:17:23 atlas kernel: ehci0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: usb1: waiting for BIOS to give up control
Feb 24 09:17:23 atlas kernel: usb1: timed out waiting for BIOS
Feb 24 09:17:23 atlas kernel: usb1: EHCI version 1.0
Feb 24 09:17:23 atlas kernel: usb1: companion controller, 4 ports each: usb0
Feb 24 09:17:23 atlas kernel: usb1: <NVIDIA nForce4 USB 2.0 controller> on ehci0
Feb 24 09:17:23 atlas kernel: usb1: USB revision 2.0
Feb 24 09:17:23 atlas kernel: uhub1: <nVidia EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb1
Feb 24 09:17:23 atlas kernel: uhub1: 8 ports with 8 removable, self powered
Feb 24 09:17:23 atlas kernel: pci0: <multimedia, audio> at device 4.0 (no driver attached)
Feb 24 09:17:23 atlas kernel: atapci0: <nVidia nForce CK804 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xe000-0xe00f at device 6.0 on pci0
Feb 24 09:17:23 atlas kernel: ata0: <ATA channel 0> on atapci0
Feb 24 09:17:23 atlas kernel: ata0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: ata1: <ATA channel 1> on atapci0
Feb 24 09:17:23 atlas kernel: ata1: [ITHREAD]
Feb 24 09:17:23 atlas kernel: atapci1: <nVidia nForce CK804 SATA300 controller> port 0x9f0-0x9f7,0xbf0-0xbf3,0x970-0x977,0xb70-0xb73,0xcc00-0xcc0f mem 0xfebfb000-0xfebfbfff irq 21 at device 7.0 on pci0
Feb 24 09:17:23 atlas kernel: atapci1: [ITHREAD]
Feb 24 09:17:23 atlas kernel: ata2: <ATA channel 0> on atapci1
Feb 24 09:17:23 atlas kernel: ata2: [ITHREAD]
Feb 24 09:17:23 atlas kernel: ata3: <ATA channel 1> on atapci1
Feb 24 09:17:23 atlas kernel: ata3: [ITHREAD]
Feb 24 09:17:23 atlas kernel: atapci2: <nVidia nForce CK804 SATA300 controller> port 0x9e0-0x9e7,0xbe0-0xbe3,0x960-0x967,0xb60-0xb63,0xb800-0xb80f mem 0xfebfa000-0xfebfafff irq 22 at device 8.0 on pci0
Feb 24 09:17:23 atlas kernel: atapci2: [ITHREAD]
Feb 24 09:17:23 atlas kernel: ata4: <ATA channel 0> on atapci2
Feb 24 09:17:23 atlas kernel: ata4: [ITHREAD]
Feb 24 09:17:23 atlas kernel: ata5: <ATA channel 1> on atapci2
Feb 24 09:17:23 atlas kernel: ata5: [ITHREAD]
Feb 24 09:17:23 atlas kernel: pcib1: <ACPI PCI-PCI bridge> at device 9.0 on pci0
Feb 24 09:17:23 atlas kernel: pci1: <ACPI PCI bus> on pcib1
Feb 24 09:17:23 atlas kernel: vgapci0: <VGA-compatible display> port 0xac00-0xacff mem 0xfa000000-0xfaffffff,0xfdfff000-0xfdffffff irq 19 at device 5.0 on pci1
Feb 24 09:17:23 atlas kernel: fwohci0: <VIA Fire II (VT6306)> port 0xa800-0xa87f mem 0xfdffe000-0xfdffe7ff irq 18 at device 6.0 on pci1
Feb 24 09:17:23 atlas kernel: fwohci0: [FILTER]
Feb 24 09:17:23 atlas kernel: fwohci0: OHCI version 1.10 (ROM=1)
Feb 24 09:17:23 atlas kernel: fwohci0: No. of Isochronous channels is 4.
Feb 24 09:17:23 atlas kernel: fwohci0: EUI64 00:e0:81:00:00:23:9b:90
Feb 24 09:17:23 atlas kernel: fwohci0: Phy 1394a available S400, 2 ports.
Feb 24 09:17:23 atlas kernel: fwohci0: Link S400, max_rec 2048 bytes.
Feb 24 09:17:23 atlas kernel: firewire0: <IEEE1394(FireWire) bus> on fwohci0
Feb 24 09:17:23 atlas kernel: sbp0: <SBP-2/SCSI over FireWire> on firewire0
Feb 24 09:17:23 atlas kernel: dcons_crom0: <dcons configuration ROM> on firewire0
Feb 24 09:17:23 atlas kernel: dcons_crom0: bus_addr 0x142c000
Feb 24 09:17:23 atlas kernel: fwe0: <Ethernet over FireWire> on firewire0
Feb 24 09:17:23 atlas kernel: if_fwe0: Fake Ethernet address: 02:e0:81:23:9b:90
Feb 24 09:17:23 atlas kernel: fwe0: Ethernet address: 02:e0:81:23:9b:90
Feb 24 09:17:23 atlas kernel: fwip0: <IP over FireWire> on firewire0
Feb 24 09:17:23 atlas kernel: fwip0: Firewire address: 00:e0:81:00:00:23:9b:90 _at_ 0xfffe00000000, S400, maxrec 2048
Feb 24 09:17:23 atlas kernel: fwohci0: Initiate bus reset
Feb 24 09:17:23 atlas kernel: fwohci0: BUS reset
Feb 24 09:17:23 atlas kernel: fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
Feb 24 09:17:23 atlas kernel: pci1: <multimedia, video> at device 9.0 (no driver attached)
Feb 24 09:17:23 atlas kernel: pci1: <multimedia> at device 9.2 (no driver attached)
Feb 24 09:17:23 atlas kernel: nfe0: <NVIDIA nForce4 CK804 MCP9 Networking Adapter> port 0xb400-0xb407 mem 0xfebf9000-0xfebf9fff irq 23 at device 10.0 on pci0
Feb 24 09:17:23 atlas kernel: miibus0: <MII bus> on nfe0
Feb 24 09:17:23 atlas kernel: e1000phy0: <Marvell 88E1111 Gigabit PHY> PHY 1 on miibus0
Feb 24 09:17:23 atlas kernel: e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX-FDX, auto
Feb 24 09:17:23 atlas kernel: nfe0: Ethernet address: 00:e0:81:55:11:4c
Feb 24 09:17:23 atlas kernel: nfe0: [FILTER]
Feb 24 09:17:23 atlas kernel: pcib2: <ACPI PCI-PCI bridge> at device 11.0 on pci0
Feb 24 09:17:23 atlas kernel: pci2: <ACPI PCI bus> on pcib2
Feb 24 09:17:23 atlas kernel: pcib3: <ACPI PCI-PCI bridge> at device 12.0 on pci0
Feb 24 09:17:23 atlas kernel: pci3: <ACPI PCI bus> on pcib3
Feb 24 09:17:23 atlas kernel: pcib4: <ACPI PCI-PCI bridge> at device 13.0 on pci0
Feb 24 09:17:23 atlas kernel: pci4: <ACPI PCI bus> on pcib4
Feb 24 09:17:23 atlas kernel: bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev. 0x4101> mem 0xfe5f0000-0xfe5fffff irq 19 at device 0.0 on pci4
Feb 24 09:17:23 atlas kernel: miibus1: <MII bus> on bge0
Feb 24 09:17:23 atlas kernel: brgphy0: <BCM5750 10/100/1000baseTX PHY> PHY 1 on miibus1
Feb 24 09:17:23 atlas kernel: brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
Feb 24 09:17:23 atlas kernel: bge0: Ethernet address: 00:e0:81:55:11:4b
Feb 24 09:17:23 atlas kernel: bge0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: pcib5: <ACPI PCI-PCI bridge> at device 14.0 on pci0
Feb 24 09:17:23 atlas kernel: pci5: <ACPI PCI bus> on pcib5
Feb 24 09:17:23 atlas kernel: vgapci1: <VGA-compatible display> mem 0xf7000000-0xf7ffffff,0xd8000000-0xdfffffff,0xf8000000-0xf8ffffff irq 18 at device 0.0 on pci5
Feb 24 09:17:23 atlas kernel: acpi_tz0: <Thermal Zone> on acpi0
Feb 24 09:17:23 atlas kernel: sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
Feb 24 09:17:23 atlas kernel: sio0: type 16550A
Feb 24 09:17:23 atlas kernel: sio0: [FILTER]
Feb 24 09:17:23 atlas kernel: sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
Feb 24 09:17:23 atlas kernel: sio1: type 16550A
Feb 24 09:17:23 atlas kernel: sio1: [FILTER]
Feb 24 09:17:23 atlas kernel: atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
Feb 24 09:17:23 atlas kernel: atkbd0: <AT Keyboard> irq 1 on atkbdc0
Feb 24 09:17:23 atlas kernel: kbd0 at atkbd0
Feb 24 09:17:23 atlas kernel: atkbd0: [GIANT-LOCKED]
Feb 24 09:17:23 atlas kernel: atkbd0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
Feb 24 09:17:23 atlas kernel: psm0: [GIANT-LOCKED]
Feb 24 09:17:23 atlas kernel: psm0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: psm0: model Generic PS/2 mouse, device ID 0
Feb 24 09:17:23 atlas kernel: cryptosoft0: <software crypto> on motherboard
Feb 24 09:17:23 atlas kernel: pmtimer0 on isa0
Feb 24 09:17:23 atlas kernel: orm0: <ISA Option ROMs> at iomem 0xd0000-0xd3fff,0xd4000-0xd57ff pnpid ORM0000 on isa0
Feb 24 09:17:23 atlas kernel: sc0: <System console> at flags 0x100 on isa0
Feb 24 09:17:23 atlas kernel: sc0: VGA <16 virtual consoles, flags=0x300>
Feb 24 09:17:23 atlas kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Feb 24 09:17:23 atlas kernel: ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
Feb 24 09:17:23 atlas kernel: ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
Feb 24 09:17:23 atlas kernel: ppc0: FIFO with 16/16/8 bytes threshold
Feb 24 09:17:23 atlas kernel: ppbus0: <Parallel port bus> on ppc0
Feb 24 09:17:23 atlas kernel: ppbus0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: plip0: <PLIP network interface> on ppbus0
Feb 24 09:17:23 atlas kernel: lpt0: <Printer> on ppbus0
Feb 24 09:17:23 atlas kernel: lpt0: Interrupt-driven port
Feb 24 09:17:23 atlas kernel: ppi0: <Parallel I/O> on ppbus0
Feb 24 09:17:23 atlas kernel: ppc0: [GIANT-LOCKED]
Feb 24 09:17:23 atlas kernel: ppc0: [ITHREAD]
Feb 24 09:17:23 atlas kernel: Timecounters tick every 1.000 msec
Feb 24 09:17:23 atlas kernel: Fast IPsec: Initialized Security Association Processing.
Feb 24 09:17:23 atlas kernel: firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
Feb 24 09:17:23 atlas kernel: firewire0: bus manager 0 (me)
Feb 24 09:17:23 atlas kernel: ad0: 238475MB <Maxtor 6L250R0 BAH41F90> at ata0-master UDMA133
Feb 24 09:17:23 atlas kernel: ad1: 476940MB <Seagate ST3500630A 3.AAF> at ata0-slave UDMA100
Feb 24 09:17:23 atlas kernel: acd0: DVDR <DVD DC DQ60/GRDC> at ata1-slave UDMA66
Feb 24 09:17:23 atlas kernel: acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00 
Feb 24 09:17:23 atlas kernel: cd0 at ata1 bus 0 target 1 lun 0
Feb 24 09:17:23 atlas kernel: cd0: <ATAPI DVD DC 8X16X8X GRDC> Removable CD-ROM SCSI-0 device 
Feb 24 09:17:23 atlas kernel: cd0: 66.000MB/s transfers
Feb 24 09:17:23 atlas kernel: cd0: Attempt to query device size failed: NOT READY, Medium not present
Feb 24 09:17:23 atlas kernel: SMP: AP CPU #1 Launched!
Feb 24 09:17:23 atlas kernel: WARNING: WITNESS option enabled, expect reduced performance.
Feb 24 09:17:23 atlas kernel: lock order reversal:
Feb 24 09:17:23 atlas kernel: 1st 0xc4dc8e28 devfs (devfs) _at_ kern/vfs_subr.c:2061
Feb 24 09:17:23 atlas kernel: 2nd 0xc4f140d4 devfsmount (devfsmount) _at_ fs/devfs/devfs_vnops.c:201
Feb 24 09:17:23 atlas kernel: KDB: stack backtrace:
Feb 24 09:17:23 atlas kernel: db_trace_self_wrapper(c082dec3,e36fabbc,c05c2a0e,c08302e2,c4f140d4,...) at db_trace_self_wrapper+0x26
Feb 24 09:17:23 atlas kernel: kdb_backtrace(c08302e2,c4f140d4,c0821a30,c0821a30,c0821a7a,...) at kdb_backtrace+0x29
Feb 24 09:17:23 atlas kernel: witness_checkorder(c4f140d4,9,c0821a71,c9,c7,...) at witness_checkorder+0x6de
Feb 24 09:17:23 atlas kernel: _sx_xlock(c4f140d4,0,c0821a71,c9,c4f140d4,...) at _sx_xlock+0x7d
Feb 24 09:17:23 atlas kernel: devfs_allocv(c4f23200,c4f4c000,e36fac28,c4b19cc0,c0835fdf,...) at devfs_allocv+0x144
Feb 24 09:17:23 atlas kernel: devfs_root(c4f4c000,2,c0917218,c4b19cc0,ca,...) at devfs_root+0x51
Feb 24 09:17:23 atlas kernel: set_rootvnode(c0917200,0,c0835fd6,5f4,c0600210,...) at set_rootvnode+0x2b
Feb 24 09:17:23 atlas kernel: vfs_mountroot(c08c4e30,4,c0825e57,260,0,...) at vfs_mountroot+0x356
Feb 24 09:17:23 atlas kernel: start_init(0,e36fad38,c0827746,30c,c4b17ab0,...) at start_init+0x65
Feb 24 09:17:23 atlas kernel: fork_exit(c0552070,0,e36fad38) at fork_exit+0xb8
Feb 24 09:17:23 atlas kernel: fork_trampoline() at fork_trampoline+0x8
Feb 24 09:17:23 atlas kernel: --- trap 0, eip = 0, esp = 0xe36fad70, ebp = 0 ---
Feb 24 09:17:23 atlas kernel: Trying to mount root from ufs:/dev/ad0s1a
Feb 24 09:17:23 atlas kernel: lock order reversal:
Feb 24 09:17:23 atlas kernel: 1st 0xc4f6f168 ufs (ufs) _at_ kern/vfs_subr.c:2061
Feb 24 09:17:23 atlas kernel: 2nd 0xc4f4c000 vfslock (vfslock) _at_ kern/vfs_subr.c:364
Feb 24 09:17:23 atlas kernel: KDB: stack backtrace:
Feb 24 09:17:23 atlas kernel: db_trace_self_wrapper(c082dec3,e36fa9d8,c05c2a0e,c08302e2,c4f4c000,...) at db_trace_self_wrapper+0x26
Feb 24 09:17:23 atlas kernel: kdb_backtrace(c08302e2,c4f4c000,c08360d0,c08360d0,c0836676,...) at kdb_backtrace+0x29
Feb 24 09:17:23 atlas kernel: witness_checkorder(c4f4c000,1,c083666d,16c,e36faa18,...) at witness_checkorder+0x6de
Feb 24 09:17:23 atlas kernel: _lockmgr_args(c4f4c000,2001,c4f4c030,0,ffffffff,...) at _lockmgr_args+0x1d5
Feb 24 09:17:23 atlas kernel: vfs_busy(c4f4c000,0,0,c4b19cc0,e36fab58,...) at vfs_busy+0x1b0
Feb 24 09:17:23 atlas kernel: lookup(e36fab44,c0835d88,c6,bf,c4aee42c,...) at lookup+0x7b4
Feb 24 09:17:23 atlas kernel: namei(e36fab44,c4f4c030,1c1,c0835fd6,e36fab54,...) at namei+0x34b
Feb 24 09:17:23 atlas kernel: kern_unlink(c4b19cc0,c083640f,1,62f,0,...) at kern_unlink+0x40
Feb 24 09:17:23 atlas kernel: vfs_mountroot_try(c08365c9,c0824b90,c081f8fa,1,c0600210,...) at vfs_mountroot_try+0x470
Feb 24 09:17:23 atlas kernel: vfs_mountroot(c08c4e30,4,c0825e57,260,0,...) at vfs_mountroot+0x418
Feb 24 09:17:23 atlas kernel: start_init(0,e36fad38,c0827746,30c,c4b17ab0,...) at start_init+0x65
Feb 24 09:17:23 atlas kernel: fork_exit(c0552070,0,e36fad38) at fork_exit+0xb8
Feb 24 09:17:23 atlas kernel: fork_trampoline() at fork_trampoline+0x8
Feb 24 09:17:23 atlas kernel: --- trap 0, eip = 0, esp = 0xe36fad70, ebp = 0 ---
Feb 24 09:17:23 atlas kernel: lock order reversal:
Feb 24 09:17:23 atlas kernel: 1st 0xc4b1d044 user map (user map) _at_ vm/vm_map.c:3111
Feb 24 09:17:23 atlas kernel: 2nd 0xc4dc9e28 ufs (ufs) _at_ kern/vfs_subr.c:2061
Feb 24 09:17:23 atlas kernel: KDB: stack backtrace:
Feb 24 09:17:23 atlas kernel: db_trace_self_wrapper(c082dec3,e36fa9c4,c05c2a0e,c08302e2,c4dc9e28,...) at db_trace_self_wrapper+0x26
Feb 24 09:17:23 atlas kernel: kdb_backtrace(c08302e2,c4dc9e28,c082542c,c082542c,c0836676,...) at kdb_backtrace+0x29
Feb 24 09:17:23 atlas kernel: witness_checkorder(c4dc9e28,1,c083666d,80d,e36fa9e8,...) at witness_checkorder+0x6de
Feb 24 09:17:23 atlas kernel: _lockmgr_args(c4dc9e28,3041,c4dc9e58,0,ffffffff,...) at _lockmgr_args+0x1d5
Feb 24 09:17:23 atlas kernel: ffs_lock(e36faa78,c057b5dd,c08d03f4,3041,c4dc9dd0,...) at ffs_lock+0xa2
Feb 24 09:17:23 atlas kernel: VOP_LOCK1_APV(c0896fa0,e36faa78,c0824b8e,3,c4dc9e58,...) at VOP_LOCK1_APV+0xa5
Feb 24 09:17:23 atlas kernel: _vn_lock(c4dc9dd0,3041,c083666d,80d,0,...) at _vn_lock+0xf2
Feb 24 09:17:23 atlas kernel: vget(c4dc9dd0,3041,c4b19cc0,4a9,c104b180,...) at vget+0x109
Feb 24 09:17:23 atlas kernel: vnode_pager_lock(c104b000,0,c084b62d,127,e36fabe8,...) at vnode_pager_lock+0x1ad
Feb 24 09:17:23 atlas kernel: vm_fault(c4b1d000,80d3000,2,8,80d3800,...) at vm_fault+0x1df
Feb 24 09:17:23 atlas kernel: trap_pfault(5,0,c08577b8,2c8,c4b17ab0,...) at trap_pfault+0x118
Feb 24 09:17:23 atlas kernel: trap(e36fad38) at trap+0x267
Feb 24 09:17:23 atlas kernel: calltrap() at calltrap+0x6
Feb 24 09:17:23 atlas kernel: --- trap 0xc, eip = 0x80480e5, esp = 0xbfbfef10, ebp = 0xbfbfef30 ---
Feb 24 09:17:23 atlas savecore: no dumps found
Feb 24 09:17:23 atlas kernel: lock order reversal:
Feb 24 09:17:23 atlas kernel: 1st 0xc50486b8 pseudofs (pseudofs) _at_ kern/vfs_subr.c:2061
Feb 24 09:17:23 atlas kernel: 2nd 0xc4f4b29c vfslock (vfslock) _at_ kern/vfs_subr.c:364
Feb 24 09:17:23 atlas kernel: KDB: stack backtrace:
Feb 24 09:17:23 atlas kernel: db_trace_self_wrapper(c082dec3,e79faa18,c05c2a0e,c08302e2,c4f4b29c,...) at db_trace_self_wrapper+0x26
Feb 24 09:17:23 atlas kernel: kdb_backtrace(c08302e2,c4f4b29c,c08360d0,c08360d0,c0836676,...) at kdb_backtrace+0x29
Feb 24 09:17:23 atlas kernel: witness_checkorder(c4f4b29c,1,c083666d,16c,e79faa58,...) at witness_checkorder+0x6de
Feb 24 09:17:23 atlas kernel: _lockmgr_args(c4f4b29c,2001,c4f4b2cc,0,ffffffff,...) at _lockmgr_args+0x1d5
Feb 24 09:17:23 atlas kernel: vfs_busy(c4f4b29c,10,0,c5085000,8,...) at vfs_busy+0x1b0
Feb 24 09:17:23 atlas kernel: vfs_donmount(810e080,c,e79fac70,c51be380,810bc28,...) at vfs_donmount+0xdb5
Feb 24 09:17:23 atlas kernel: nmount(c5085000,e79facfc,c,c0830f96,c0877950,...) at nmount+0xb2
Feb 24 09:17:23 atlas kernel: syscall(e79fad38) at syscall+0x2b3
Feb 24 09:17:23 atlas kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20
Feb 24 09:17:23 atlas kernel: --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280d6f1b, esp = 0xbfbfe97c, ebp = 0xbfbfedd8 ---
Feb 24 09:17:24 atlas ntpd[1074]: ntpd 4.2.0-a Sun Feb 24 00:05:25 PST 2008 (1)
Feb 24 09:17:30 atlas login: ROOT LOGIN (root) ON ttyv0
Feb 24 09:18:26 atlas halt: halted by root
Feb 24 09:18:26 atlas syslogd: exiting on signal 15

#
# ATLAS -- 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 1.481 2008/02/03 07:07:30 scottl Exp $

cpu		I486_CPU
cpu		I586_CPU
cpu		I686_CPU
ident		ATLAS

# 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_ULE		# ULE scheduler
options 	PREEMPTION		# Enable kernel thread preemption
options 	INET			# InterNETworking
options 	INET6			# IPv6 communications protocols
options 	SCTP			# Stream Control Transmission Protocol
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 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
#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 /, requires NFSCLIENT
options 	MSDOSFS			# MSDOS Filesystem
options 	CD9660			# ISO 9660 Filesystem
options 	PROCFS			# Process filesystem (requires PSEUDOFS)
options 	PSEUDOFS		# Pseudo-filesystem framework
options 	GEOM_PART_GPT		# GUID Partition Tables.
options 	GEOM_LABEL		# Provides labelization
options 	COMPAT_43TTY		# BSD 4.3 TTY compat [KEEP THIS!]
#options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
#options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
options 	COMPAT_FREEBSD6		# Compatible with FreeBSD6
options 	COMPAT_FREEBSD7		# Compatible with FreeBSD7
options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
options 	KTRACE			# ktrace(1) support
options 	STACK			# stack(9) 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
options 	STOP_NMI		# Stop CPUS using NMI instead of IPI
options 	AUDIT			# Security event auditing

options		IPSEC

# Debugging for use in -current
options 	KDB			# Enable kernel debugger support.
options 	DDB			# Support DDB.
options 	GDB			# Support remote GDB.
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

# To make an SMP kernel, the next two lines are needed
options 	SMP			# Symmetric MultiProcessor Kernel
device		apic			# I/O APIC

# CPU frequency control
device		cpufreq

# Bus support.
device		eisa
device		pci

# Floppy drives
device		fdc

device		crypto

# ATA and ATAPI devices
device		ata
device		atadisk		# ATA disk drives
#device		ataraid		# ATA RAID drives
device		atapicd		# ATAPI CDROM drives
device		atapicam	# ATAPI CDROM drives
#device		atapifd		# ATAPI floppy drives
device		atapist		# ATAPI tape drives
options 	ATA_STATIC_ID	# Static device numbering

# SCSI Controllers
#device		ahb		# EISA AHA1742 family
#device		ahc		# AHA2940 and onboard AIC7xxx devices
#options 	AHC_REG_PRETTY_PRINT	# Print register bitfields in debug
					# output.  Adds ~128k to driver.
#device		ahd		# AHA39320/29320 and onboard AIC79xx devices
#options 	AHD_REG_PRETTY_PRINT	# Print register bitfields in debug
					# output.  Adds ~215k to driver.
#device		amd		# AMD 53C974 (Tekram DC-390(T))
#device		hptiop		# Highpoint RocketRaid 3xxx series
#device		isp		# Qlogic family
##device 	ispfw		# Firmware for QLogic HBAs- normally a module
#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

# SCSI peripherals
device		scbus		# SCSI bus (required for SCSI)
#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 interfaced to the SCSI subsystem
#device		amr		# AMI MegaRAID
#device		arcmsr		# Areca SATA II RAID
#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		hptmv		# Highpoint RocketRAID 182x
#device		hptrr		# Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
#device		iir		# Intel Integrated RAID
#device		ips		# IBM (Adaptec) ServeRAID
#device		mly		# Mylex AcceleRAID/eXtremeRAID
#device		twa		# 3ware 9000 series PATA/SATA RAID

# RAID controllers
#device		aac		# Adaptec FSA RAID
#device		aacp		# SCSI passthrough for aac (requires CAM)
#device		ida		# Compaq Smart RAID
#device		mfi		# LSI MegaRAID SAS
#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		kbdmux		# keyboard multiplexer

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

device		agp		# support several AGP chipsets

# 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		pccard		# PC Card (16-bit) bus
device		cardbus		# CardBus (32-bit) bus

# Serial (COM) ports
device		sio		# 8250, 16[45]50 based serial ports
device		uart		# Generic UART driver

# 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

# If you've got a "dumb" serial or parallel PCI card that is
# supported by the puc(4) glue driver, uncomment the following
# line to enable it (connects to sio, uart and/or ppc drivers):
#device		puc

# PCI Ethernet NICs.
#device		de		# DEC/Intel DC21x4x (``Tulip'')
#device		em		# Intel PRO/1000 adapter Gigabit Ethernet Card
#device		ixgb		# Intel PRO/10GbE Ethernet Card
#device		le		# AMD Am7900 LANCE and Am79C9xx PCnet
#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		bce		# Broadcom BCM5706/BCM5708 Gigabit Ethernet
#device		bfe		# Broadcom BCM440x 10/100 Ethernet
device		bge		# Broadcom BCM570xx Gigabit Ethernet
#device		dc		# DEC/Intel 21143 and various workalikes
#device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
#device		lge		# Level 1 LXT1001 gigabit Ethernet
#device		msk		# Marvell/SysKonnect Yukon II Gigabit Ethernet
device		nfe		# nVidia nForce MCP on-board Ethernet
#device		nge		# NatSemi DP83820 gigabit Ethernet
#device		nve		# nVidia nForce MCP on-board Ethernet Networking
#device		pcn		# AMD Am79C97x PCI 10/100 (precedence over 'le')
#device		re		# RealTek 8139C+/8169/8169S/8110S
#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 & SK-982x gigabit Ethernet
#device		ste		# Sundance ST201 (D-Link DFE-550TX)
#device		stge		# Sundance/Tamarack TC9021 gigabit Ethernet
#device		ti		# Alteon Networks Tigon I/II gigabit Ethernet
#device		tl		# Texas Instruments ThunderLAN
#device		tx		# SMC EtherPower II (83c170 ``EPIC'')
#device		vge		# VIA VT612x gigabit Ethernet
#device		vr		# VIA Rhine, Rhine II
#device		wb		# Winbond W89C840F
#device		xl		# 3Com 3c90x (``Boomerang'', ``Cyclone'')

# 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		sn		# SMC's 9000 series of Ethernet chips
#device		xe		# Xircom pccard Ethernet

# Wireless NIC cards
#device		wlan		# 802.11 support
#device		wlan_wep	# 802.11 WEP support
#device		wlan_ccmp	# 802.11 CCMP support
#device		wlan_tkip	# 802.11 TKIP support
#device		wlan_amrr	# AMRR transmit rate control algorithm
#device		wlan_scan_ap	# 802.11 AP mode scanning
#device		wlan_scan_sta	# 802.11 STA mode scanning
#device		an		# Aironet 4500/4800 802.11 wireless NICs.
#device		ath		# Atheros pci/cardbus NIC's
#device		ath_hal		# Atheros HAL (Hardware Access Layer)
#device		ath_rate_sample	# SampleRate tx rate control for ath
#device		awi		# BayStack 660 and others
#device		ral		# Ralink Technology RT2500 wireless NICs.
#device		wi		# WaveLAN/Intersil/Symbol 802.11 wireless NICs.
#device		wl		# Older non 802.11 Wavelan wireless NIC.

# Pseudo devices.
device		loop		# Network loopback
device		random		# Entropy device
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)
device		firmware	# firmware assist module

# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device		bpf		# Berkeley packet filter

# USB support
device		uhci		# UHCI PCI->USB interface
device		ohci		# OHCI PCI->USB interface
device		ehci		# EHCI PCI->USB interface (USB 2.0)
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		ural		# Ralink Technology RT2500USB wireless NICs
#device		rum		# Ralink Technology RT2501USB wireless NICs
#device		zyd		# ZyDAS zb1211/zb1211b wireless NICs
#device		urio		# Diamond Rio 500 MP3 player
device		uscanner	# Scanners
# USB Serial devices
device		ucom		# Generic com ttys
#device		uark		# Technologies ARK3116 based serial adapters
#device		ubsa		# Belkin F5U103 and compatible serial adapters
#device		ubser		# BWCT console serial adapters
#device		uftdi		# For FTDI usb serial adapters
#device		uipaq		# Some WinCE based devices
#device		uplcom		# Prolific PL-2303 serial adapters
device		uvisor		# Visor and Palm devices
#device		uvscom		# USB serial support for DDI pocket's PHS
# USB Ethernet, requires miibus
#device		aue		# ADMtek USB Ethernet
#device		axe		# ASIX Electronics USB Ethernet
#device		cdce		# Generic USB over Ethernet
#device		cue		# CATC USB Ethernet
#device		kue		# Kawasaki LSI USB Ethernet
#device		rue		# RealTek RTL8150 USB Ethernet
#device		udav		# Davicom DM9601E USB

# FireWire support
device		firewire	# FireWire bus code
device		sbp		# SCSI over FireWire (Requires scbus and da)
device		fwe		# Ethernet over FireWire (non-standard!)
device		fwip		# IP over FireWire (RFC 2734,3146)
device		dcons		# Dumb console driver
device		dcons_crom	# Configuration ROM for dcons
Received on Sun Feb 24 2008 - 17:44:20 UTC

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