Date: Mon, 28 Jun 2004 12:54:41 +0200 (CEST) From: Daniel Lang <dl@leo.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/68442: panic - acquiring duplicate lock of same type: "sleepq chain" Message-ID: <20040628105441.D988628448@atrbg11.informatik.tu-muenchen.de> Resent-Message-ID: <200406281100.i5SB0ddp002740@freefall.freebsd.org>
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>Number: 68442
>Category: kern
>Synopsis: panic - acquiring duplicate lock of same type: "sleepq chain"
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Jun 28 11:00:36 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Daniel Lang
>Release: FreeBSD 5.2-CURRENT i386
>Organization:
LEO
>Environment:
System: FreeBSD 5.2-CURRENT FreeBSD 5.2-CURRENT #3: Mon Jun 28 11:05:52 CEST 2004 root@:/usr/obj/usr/src/sys/PAE-ATLEO6 i386
Hardware: DELL PowerEdge 2650, 2x2.4GHz Xeon, HTT DISABLED (I thought HTT
may be the problem, so I disabled it).
dmesg:
[..]
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 5.2-CURRENT #3: Mon Jun 28 11:05:52 CEST 2004
root@:/usr/obj/usr/src/sys/PAE-ATLEO6
WARNING: WITNESS option enabled, expect reduced performance.
Preloaded elf kernel "/boot/kernel/kernel" at 0xa0622000.
ACPI APIC Table: <DELL PE2650 >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) XEON(TM) CPU 2.40GHz (2392.26-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 = 6442450944 (6144 MB)
avail memory = 6174314496 (5888 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 6
ioapic0: Changing APIC ID to 8
ioapic1: Changing APIC ID to 9
ioapic2: Changing APIC ID to 10
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 1.1> irqs 0-15 on motherboard
ioapic1 <Version 1.1> irqs 16-31 on motherboard
ioapic2 <Version 1.1> irqs 32-47 on motherboard
random: <entropy source, Software, Yarrow>
Pentium Pro MTRR support enabled
acpi0: <DELL PE2650> on motherboard
acpi0: [GIANT-LOCKED]
acpi0: Power Button (fixed)
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
pcibios: BIOS version 2.10
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib0: slot 15 INTA is routed to irq 5
pci0: <unknown> at device 4.0 (no driver attached)
pci0: <unknown> at device 4.1 (no driver attached)
cbb0: <PCI-CardBus Bridge> port 0xecf4-0xecf7 irq 27 at device 4.2 on pci0
cbb0: failed: rid 0x10 is ioport, requested 3
cbb0: Could not map register memory
device_attach: cbb0 attach returned 12
pci0: <display, VGA> at device 14.0 (no driver attached)
atapci0: <ServerWorks CSB5 UDMA100 controller> port 0x8b0-0x8bf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 15.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: simplex device, DMA on primary only
ata1: at 0x170 irq 15 on atapci0
pci0: <serial bus, USB> at device 15.2 (no driver attached)
isab0: <PCI-ISA bridge> at device 15.3 on pci0
isa0: <ISA bus> on isab0
pcib1: <ACPI Host-PCI bridge> on acpi0
pci4: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 8.0 on pci4
pci5: <ACPI PCI bus> on pcib2
ahc0: <Adaptec aic7899 Ultra160 SCSI adapter> port 0xac00-0xacff mem 0xfc8ff000-0xfc8fffff irq 30 at device 6.0 on pci5
ahc0: [GIANT-LOCKED]
aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
ahc1: <Adaptec aic7899 Ultra160 SCSI adapter> port 0xa800-0xa8ff mem 0xfc8fe000-0xfc8fefff irq 31 at device 6.1 on pci5
ahc1: [GIANT-LOCKED]
aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
pcib3: <ACPI Host-PCI bridge> on acpi0
pci3: <ACPI PCI bus> on pcib3
bge0: <Broadcom BCM5701 Gigabit Ethernet, ASIC rev. 0x105> mem 0xfcb10000-0xfcb1ffff irq 28 at device 6.0 on pci3
miibus0: <MII bus> on bge0
brgphy0: <BCM5701 10/100/1000baseTX PHY> on miibus0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX-FDX, auto
bge0: Ethernet address: 00:06:5b:3f:36:a8
bge0: [GIANT-LOCKED]
bge1: <Broadcom BCM5701 Gigabit Ethernet, ASIC rev. 0x105> mem 0xfcb00000-0xfcb0ffff irq 29 at device 8.0 on pci3
miibus1: <MII bus> on bge1
brgphy1: <BCM5701 10/100/1000baseTX PHY> on miibus1
brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX-FDX, auto
bge1: Ethernet address: 00:06:5b:3f:36:a9
bge1: [GIANT-LOCKED]
pcib4: <ACPI Host-PCI bridge> on acpi0
pci2: <ACPI PCI bus> on pcib4
em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> mem 0xfcd20000-0xfcd2ffff,0xfcd00000-0xfcd1ffff irq 24 at device 6.0 on pci2
em0: [GIANT-LOCKED]
em0: Ethernet address: 00:03:47:df:26:4d
em0: Speed:1000 Mbps Duplex:Full
pcib5: <ACPI Host-PCI bridge> on acpi0
pci1: <ACPI PCI bus> on pcib5
ahc2: <Adaptec 29160 Ultra160 SCSI adapter> port 0xdc00-0xdcff mem 0xfcf01000-0xfcf01fff irq 16 at device 6.0 on pci1
ahc2: [GIANT-LOCKED]
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
ahc3: <Adaptec 29160 Ultra160 SCSI adapter> port 0xd800-0xd8ff mem 0xfcf00000-0xfcf00fff irq 20 at device 8.0 on pci1
ahc3: [GIANT-LOCKED]
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
isa_dmainit(2, 1024) failed
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A, console
sio1 port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
orm0: <Option ROMs> at iomem 0xec000-0xeffff,0xc8000-0xcdfff,0xc0000-0xc7fff on isa0
pmtimer0 on isa0
ppc0: parallel port not found.
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x100>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 10.000 msec
acd0: CDROM <SAMSUNG CD-ROM SN-124> at ata0-master PIO4
Waiting 3 seconds for SCSI devices to settle
ses0 at ahc0 bus 0 target 6 lun 0
ses0: <PE/PV 1x5 SCSI BP 0.25> Fixed Processor SCSI-2 device
ses0: 3.300MB/s transfers
ses0: SAF-TE Compliant Device
da0 at ahc0 bus 0 target 0 lun 0
da0: <SEAGATE ST336706LC 010A> Fixed Direct Access SCSI-3 device
da0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da0: 35003MB (71687370 512 byte sectors: 255H 63S/T 4462C)
da1 at ahc0 bus 0 target 1 lun 0
da1: <SEAGATE ST336706LC 8A03> Fixed Direct Access SCSI-3 device
da1: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da1: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
da2 at ahc0 bus 0 target 2 lun 0
da2: <FUJITSU MAS3367NC 0104> Fixed Direct Access SCSI-3 device
da2: 160.000MB/s transfers (80.000MHz, offset 127, 16bit), Tagged Queueing Enabled
da2: 35068MB (71819496 512 byte sectors: 255H 63S/T 4470C)
da3 at ahc2 bus 0 target 0 lun 0
da3: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da3: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da3: 204800MB (419430400 512 byte sectors: 255H 63S/T 26108C)
da10 at ahc3 bus 0 target 14 lun 0
da10: <G-Force RI > Fixed Direct Access SCSI-2 device
da10: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da10: 439840MB (900792320 512 byte sectors: 255H 63S/T 56071C)
da4 at ahc2 bus 0 target 0 lun 1
da4: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da4: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da4: 204800MB (419430400 512 byte sectors: 255H 63S/T 26108C)
da5 at ahc2 bus 0 target 0 lun 2
da5: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da5: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da5: 277016MB (567328768 512 byte sectors: 255H 63S/T 35314C)
da6 at ahc2 bus 0 target 0 lun 3
da6: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da6: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da6: 286720MB (587202560 512 byte sectors: 255H 63S/T 36551C)
da7 at ahc2 bus 0 target 0 lun 4
da7: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da7: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da7: 286720MB (587202560 512 byte sectors: 255H 63S/T 36551C)
da8 at ahc2 bus 0 target 0 lun 5
da8: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da8: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da8: 286720MB (587202560 512 byte sectors: 255H 63S/T 36551C)
da9 at ahc2 bus 0 target 0 lun 6
da9: <FX-1600U 3-R 0001> Fixed Direct Access SCSI-3 device
da9: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing Enabled
da9: 284504MB (582664192 512 byte sectors: 255H 63S/T 36269C)
SMP: AP CPU #1 Launched!
Mounting root from ufs:/dev/da0s1a
WARNING: / was not properly dismounted
KERNEL CONFIG (two files, uses PAE)
PAE-ATLEO6:
----------
#
# PAE -- Generic kernel configuration file for FreeBSD/i386 PAE
#
# $FreeBSD: src/sys/i386/conf/PAE,v 1.8 2003/11/03 22:49:19 jhb Exp $
include ATLEO6
ident PAE-ATLEO6
# To make a PAE kernel, the next option is needed
options PAE # Physical Address Extensions Kernel
options KVA_PAGES=768
options COMPAT_LINUX
options DDB_NOKLDSYM
#options ADAPTIVE_MUTEXES
# Compile acpi in statically since the module isn't built properly. Most
# machines which support large amounts of memory require acpi.
device acpi
# Don't build modules with this kernel config, since they are not built with
# the correct options headers.
makeoptions NO_MODULES=yes
# What follows is a list of drivers that are normally in GENERIC, but either
# don't work or are untested with PAE. Be very careful before enabling any
# of these drivers. Drivers which use DMA and don't handle 64 bit physical
# address properly may cause data corruption when used in a machine with more
# than 4 gigabytes of memory.
nodevice ahb
nodevice amd
nodevice isp
nodevice sym
nodevice trm
nodevice adv
nodevice adw
nodevice aha
nodevice aic
nodevice bt
nodevice ncv
nodevice nsp
nodevice stg
nodevice asr
nodevice dpt
nodevice iir
nodevice mly
nodevice amr
nodevice ida
nodevice mlx
nodevice pst
nodevice agp
nodevice de
nodevice txp
nodevice vx
nodevice dc
nodevice pcn
nodevice rl
nodevice sf
nodevice sis
nodevice ste
nodevice tl
nodevice tx
nodevice vr
nodevice wb
nodevice cs
nodevice ed
nodevice ex
nodevice ep
nodevice fe
nodevice ie
nodevice lnc
nodevice sn
nodevice xe
nodevice wlan
nodevice an
nodevice awi
nodevice wi
nodevice uhci
nodevice ohci
nodevice usb
nodevice ugen
nodevice uhid
nodevice ukbd
nodevice ulpt
nodevice umass
nodevice ums
nodevice urio
nodevice uscanner
nodevice aue
nodevice axe
nodevice cue
nodevice kue
----
ATLEO6 (regular config file):
------
#
# ATLEO6
#
machine i386
#cpu I486_CPU
#cpu I586_CPU
cpu I686_CPU
ident ATLEO6
# 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_4BSD # ULE scheduler
options INET # InterNETworking
options INET6 # IPv6 communications protocols
#options NETATALK # appletalk stuff
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 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 COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options SCSI_DELAY=3000 # Delay (in ms) before probing SCSI
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
options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~128k to driver.
options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~215k to driver.
options PFIL_HOOKS # pfil(9) framework
#options ICMP_BANDLIM #Rate limit bad replies
# Debugging for use in -current
options DDB # Enable the kernel debugger
#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 DDB_TRACE
options DDB_NUMSYM
# To make an SMP kernel, the next two are needed
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
device isa
device eisa
device pci
# Floppy drives
device fdc
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device atapist # ATAPI tape drives
options ATA_STATIC_ID # Static device numbering
# SCSI Controllers
device ahc # AHA2940 and onboard AIC7xxx devices
device ahd # AHA39320/29320 and onboard AIC79xx devices
options AHC_ALLOW_MEMIO
# 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)
# wired?
# RAID controllers interfaced to the SCSI subsystem
# RAID controllers
# 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 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
options SC_NORM_ATTR="(FG_LIGHTGREY|BG_BLACK)"
options SC_NORM_REV_ATTR="(FG_YELLOW|BG_GREEN)"
options SC_KERNEL_CONS_ATTR="(FG_WHITE|BG_BLUE)"
options SC_KERNEL_CONS_REV_ATTR="(FG_BLACK|BG_RED)"
# Enable this for the pcvt (VT220 compatible) console driver
#
device agp # support several AGP chipsets
# Floating point support - do not disable.
device npx
# 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 pcic # ExCA ISA and PCI bridges
device pccard # PC Card (16-bit) bus
device cardbus # CardBus (32-bit) bus
# SMbus and I2C
#device smbus # Bus support, required for smb below.
#device intpm
#device alpm
#device ichsmb
#device viapm
#device amdpm
#device nfpm
#device smb
#device iicbus # Bus support, required for ic/iic/iicsmb below.
#device iicbb
#device ic
#device iic
#device iicsmb # smb over i2c bridge
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
options CONSPEED=19200
# 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 the sio 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 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 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 xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# Pseudo devices - the number indicates how many units to allocate.
device random # Entropy device
device loop # Network loopback
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)
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
device bpf # Berkeley packet filter
# USB support
---------
Things tried out to solve/circumvent the problem,
none did help:
SCHED_ULE vs. SCHED_4BSD
ADAPTIVE_MUTEXES (on/off)
Hyperthreading enabled/disabled in the BIOS
>Description:
Machine hangs frequently, after adding DDB and various WITNESS
options, I get the following:
acquiring duplicate lock of same type: "sleepq chain"
1st Giant @ /usr/src/sys/kern/uipc_syscalls.c:1735
2nd sleepq chain @ /usr/src/sys/kern/subr_sleepqueue.c:193
Stack backtrace:
backtrace(a0367684,a0534930,a0534930,a05031e4,a05578d4) at 0xa034b25e = backtra2
witness_checkorder(a0530784,9,a04ce113,c1,140) at 0xa03666c4 = witness_checkord4
_mtx_lock_spin_flags(a0530784,0,a04ce113,c1,a8888e70) at 0xa0344096 = _mtx_locke
sleepq_lookup(a8a50860,a8a683dc,0,a04ce113,145) at 0xa03639d6 = sleepq_lookup+0e
sleepq_catch_signals(a8a50860,0,100,0,a04d0a46) at 0xa0363c69 = sleepq_catch_sid
msleep(a8a50860,a8a50830,158,a04d089f,0) at 0xa0350953 = msleep+0x233
sbwait(a8a5081c,0,4eb,0,0) at 0xa037ced3 = sbwait+0x33
do_sendfile(a8888e70,cf0f8d14,0,cf0f8d40,a049070b) at 0xa0380e21 = do_sendfile+5
sendfile(a8888e70,cf0f8d14,8,d3,202) at 0xa03801c0 = sendfile+0x10
syscall(40df002f,9f7f002f,9f7f002f,8,0) at 0xa049070b = syscall+0x217
Xint0x80_syscall() at 0xa047e88f = Xint0x80_syscall+0x1f
--- syscall (393), eip = 0x2812123b, esp = 0x9f7fde4c, ebp = 0x9f7fdea8 ---
Jun 28 11:34:35 atleo6 ftpd[2810]: getsockname (/usr/libexec/ftpd): Socket opert
Jun 28 11:36:12 atleo6 ftpd[2870]: getsockname (/usr/libexec/ftpd): Socket opert
Jun 28 11:38:05 atleo6 ftpd[2910]: getsockname (/usr/libexec/ftpd): Socket opert
Jun 28 11:40:57 atleo6 ftpd[2993]: getsockname (/usr/libexec/ftpd): Socket opert
Jun 28 11:43:02 atleo6 ftpd[3036]: getsockname (/usr/libexec/ftpd): Socket opert
Jun 28 11:43:02 atleo6 ftpd[3037]: getsockname (/usr/libexec/ftpd): Socket opert
Jun 28 11:43:02 atleo6 ftpd[3043]: getsockname (/usr/libexec/ftpd): Socket opert
Fatal double fault:
eip = 0xa0367274
esp = 0xcc331000
ebp = 0xcc33100c
cpuid = 1; apic id = 06
panic: double fault
cpuid = 1;
Stack backtrace:
backtrace(100,a7d7f3f0,0,0,0) at 0xa034b25e = backtrace+0x12
panic(a04e403e,a04e41c0,6,0,0) at 0xa034b37e = panic+0x11e
dblfault_handler(a051b7ec,1,60,a7d2c000,a0529590) at 0xa04904f2 = dblfault_handa
Debugger("panic")
spin lock witness lock held by 0xa7d7f3f0 for > 5 seconds
After this, the machine is locked, I don't get a ddb prompt.
I need to reset the machine. No crash-dump of course.
The machine has PAE enabled and 6GB of RAM. I will not try to
boot a non-PAE kernel. The problems started with the PAE stuff :-/
>How-To-Repeat:
-
>Fix:
-
>Release-Note:
>Audit-Trail:
>Unformatted:
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