Hi,
I caught today panic on FreeBSD 4.7-RELEASE.
(kgdb) exec-file /var/crash/kernel.0
(kgdb) core-file /var/crash/vmcore.0
IdlePTD at phsyical address 0x00369000
initial pcb at physical address 0x002d58a0
panicstr: vrele: negative ref cnt
panic messages:
---
panic: vrele: negative ref cnt
syncing disks... 9 done
Uptime: 6d1h21m35s
dumping to dev #twed/0x20001, offset 2097184
dump 1023 1022 1021 1020 1019 1018 1017 1016 1015 1014 1013
1012 1011 1010 1009 1008 1007 1006 1005 1004 1003 1002 1001
1000 999 998 997 996 995 994 993 992 991 990 989 988 987 986
985 984 983 982 981 980 979 978 977 976 975 974 973 972 971 970
969 968 967 966 965 964 963 962 961 960 959 958 957 956 955 954
---
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
487 if (dumping++) {
(kgdb) where
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1 0xc01825ab in boot (howto=256) at
/usr/src/sys/kern/kern_shutdown.c:316
#2 0xc01829e9 in panic (fmt=0xc0284c22 "vrele: negative ref
cnt") at /usr/src/sys/kern/kern_shutdown.c:595
#3 0xc01b06a6 in vrele (vp=0xe04d8f80) at /usr/src/sys/kern/vfs_subr.c:1600
#4 0xc01b5435 in rename (p=0xe011e700, uap=0xe08c2f80) at
/usr/src/sys/kern/vfs_syscalls.c:2742
#5 0xc0257add in syscall2 (frame={tf_fs = 47, tf_es = 47,
tf_ds = 47, tf_edi = -1077944528,
tf_esi = -1077945552, tf_ebp = -1077949712, tf_isp -527683628, tf_ebx =
-1077945552,
tf_edx = 136795648, tf_ecx = 2, tf_eax = 128, tf_trapno 22, tf_err = 2,
tf_eip = 673060184, tf_cs = 31, tf_eflags = 659, tf_esp -1077949756, tf_ss =
47})
at /usr/src/sys/i386/i386/trap.c:1175
#6 0xc0248815 in Xint0x80_syscall ()
#7 0x806b2da in ?? ()
#8 0x806b7c0 in ?? ()
#9 0x8082686 in ?? ()
#10 0x8082722 in ?? ()
#11 0x808296a in ?? ()
#12 0x80831e3 in ?? ()
#13 0x804c219 in ?? ()
#14 0x804acd9 in ?? ()
(kgdb) up 5
#5 0xc0257add in syscall2 (frame={tf_fs = 47, tf_es = 47,
tf_ds = 47, tf_edi = -1077944528,
tf_esi = -1077945552, tf_ebp = -1077949712, tf_isp -527683628, tf_ebx =
-1077945552,
tf_edx = 136795648, tf_ecx = 2, tf_eax = 128, tf_trapno 22, tf_err = 2,
tf_eip = 673060184, tf_cs = 31, tf_eflags = 659, tf_esp -1077949756, tf_ss
= 47})
at /usr/src/sys/i386/i386/trap.c:1175
1175 error = (*callp->sy_call)(p, args);
(kgdb) list
1170 p->p_retval[0] = 0;
1171 p->p_retval[1] = frame.tf_edx;
1172
1173 STOPEVENT(p, S_SCE, narg); /* MP aware */
1174
1175 error = (*callp->sy_call)(p, args);
1176
1177 /*
1178 * MP SAFE (we may or may not have the MP lock at this point)
1179 */
(kgdb) down
#4 0xc01b5435 in rename (p=0xe011e700, uap=0xe08c2f80) at
/usr/src/sys/kern/vfs_syscalls.c:2742
2742 vrele(fromnd.ni_startdir);
(kgdb) list
2737 ASSERT_VOP_UNLOCKED(fromnd.ni_vp, "rename");
2738 ASSERT_VOP_UNLOCKED(tond.ni_dvp, "rename");
2739 ASSERT_VOP_UNLOCKED(tond.ni_vp, "rename");
2740 out1:
2741 if (fromnd.ni_startdir)
2742 vrele(fromnd.ni_startdir);
2743 if (error == -1)
2744 return (0);
2745 return (error);
2746 }
#3 0xc01b06a6 in vrele (vp=0xe04d8f80) at
/usr/src/sys/kern/vfs_subr.c:1600
1600 panic("vrele: negative ref cnt");
(kgdb) list
1595 } else {
1596 #ifdef DIAGNOSTIC 1597 vprint("vrele: negative
ref count", vp);
1598 simple_unlock(&vp->v_interlock);
1599 #endif
1600 panic("vrele: negative ref cnt");
1601 }
1602 }
1603
1604 void
I hope it can help.
-Kirill
-------------- next part --------------
#
# GENERIC -- Generic 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/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 ./LINT configuration file. If you are
# in doubt as to the purpose or necessity of a line, check first in LINT.
#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246.2.43 2002/05/23 17:04:01 obrien
Exp $
machine i386
#cpu I386_CPU
#cpu I486_CPU
cpu I586_CPU
cpu I686_CPU
ident MSINW
maxusers 0
makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
options MATH_EMULATE #Support for x87 emulation
options INET #InterNETworking
#options INET6 #IPv6 communications protocols
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep this!]
options SOFTUPDATES #Enable FFS soft updates support
options UFS_DIRHASH #Improve performance on big directories
options MFS #Memory Filesystem
options MD_ROOT #MD is a potential root device
#options NFS #Network Filesystem
#options NFS_ROOT #NFS usable as root device, NFS required
options MSDOSFS #MSDOS Filesystem
options CD9660 #ISO 9660 Filesystem
options NWFS #Netware Filesystem
options CD9660_ROOT #CD-ROM usable as root, CD9660 required
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=3000 #Delay (in ms) before probing SCSI
options UCONSOLE #Allow users to grab the console
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options P1003_1B #Posix P1003_1B real-time extensions
options _KPOSIX_PRIORITY_SCHEDULING
options ICMP_BANDLIM #Rate limit bad replies
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options DDB
options DDB_UNATTENDED
options SHMALL=16384
options SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
options SHMMAXPGS=8192
options SHMMIN=128
options SHMMNI=128
options SHMSEG=96
# To make an SMP kernel, the next two are needed
#options SMP # Symmetric MultiProcessor Kernel
#options APIC_IO # Symmetric (APIC) I/O
device isa
device eisa
device pci
# Floppy drives
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device fd1 at fdc0 drive 1
#
# If you have a Toshiba Libretto with its Y-E Data PCMCIA floppy,
# don't use the above line for fdc0 but the following one:
#device fdc0
# ATA and ATAPI devices
device ata0 at isa? port IO_WD1 irq 14
device ata1 at isa? port IO_WD2 irq 15
device ata
device atadisk # ATA disk 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 ahb # EISA AHA1742 family
device ahc # AHA2940 and onboard AIC7xxx devices
#device amd # AMD 53C974 (Tekram DC-390(T))
#device isp # Qlogic family
#device ncr # NCR/Symbios Logic
#device sym # NCR/Symbios Logic (newer chipsets)
#options SYM_SETUP_LP_PROBE_MAP=0x40
# Allow ncr to attach legacy NCR devices when
# both sym and ncr are configured
#device adv0 at isa?
#device adw
#device bt0 at isa?
#device aha0 at isa?
device aic0 at isa?
#device ncv # NCR 53C500
#device nsp # Workbit Ninja SCSI-3
#device stg # TMC 18C30/18C50
# SCSI peripherals
device scbus # SCSI bus (required)
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI access)
# RAID controllers interfaced to the SCSI subsystem
#device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
#device dpt # DPT Smartcache - See LINT for options!
#device iir # Intel Integrated RAID
#device mly # Mylex AcceleRAID/eXtremeRAID
#device ciss # Compaq SmartRAID 5* series
# RAID controllers
#device aac # Adaptec FSA RAID, Dell PERC2/PERC3
#device aacp # SCSI passthrough for aac (requires CAM)
#device ida # Compaq Smart RAID
#device amr # AMI MegaRAID
#device mlx # Mylex DAC960 family
device twe # 3ware Escalade
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1 flags 0x1
device psm0 at atkbdc? irq 12
device vga0 at isa?
# splash screen/screen saver
pseudo-device splash
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? flags 0x100
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa?
#options XSERVER # support for X server on a vt console
#options FAT_CURSOR # start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT lines
#options PCVT_SCANSET=2 # IBM keyboards are non-std
# Floating point support - do not disable.
device npx0 at nexus? port IO_NPX irq 13
# Power management support (see LINT for more options)
device apm0 at nexus? disable flags 0x20 # Advanced Power Management
# PCCARD (PCMCIA) support
#device card
#device pcic0 at isa? irq 0 port 0x3e0 iomem 0xd0000
#device pcic1 at isa? irq 0 port 0x3e2 iomem 0xd4000 disable
# Serial (COM) ports
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
#device sio2 at isa? disable port IO_COM3 irq 5
#device sio3 at isa? disable port IO_COM4 irq 9
# Parallel port
device ppc0 at isa? irq 7
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
# PCI Ethernet NICs.
#device de # DEC/Intel DC21x4x (``Tulip'')
device em # Intel PRO/1000 adapter Gigabit Ethernet Card (``Wiseman'')
#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 dc # DEC/Intel 21143 and various workalikes
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
#device pcn # AMD Am79C97x PCI 10/100 NICs
#device rl # RealTek 8129/8139
#device sf # Adaptec AIC-6915 (``Starfire'')
#device sis # Silicon Integrated Systems SiS 900/SiS 7016
#device ste # Sundance ST201 (D-Link DFE-550TX)
#device tl # Texas Instruments ThunderLAN
#device tx # SMC EtherPower II (83c170 ``EPIC'')
#device vr # VIA Rhine, Rhine II
#device wb # Winbond W89C840F
#device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
#device bge # Broadcom BCM570x (``Tigon III'')
# ISA Ethernet NICs.
# 'device ed' requires 'device miibus'
#device ed0 at isa? port 0x280 irq 10 iomem 0xd8000
#device ex
#device ep
#device fe0 at isa? port 0x300
# Xircom Ethernet
#device xe
# PRISM I IEEE 802.11b wireless NIC.
#device awi
# WaveLAN/IEEE 802.11 wireless NICs. Note: the WaveLAN/IEEE really
# exists only as a PCMCIA device, so there is no ISA attachment needed
# and resources will always be dynamically assigned by the pccard code.
#device wi
# Aironet 4500/4800 802.11 wireless NICs. Note: the declaration below will
# work for PCMCIA and PCI cards, as well as ISA cards set to ISA PnP
# mode (the factory default). If you set the switches on your ISA
# card for a manually chosen I/O address and IRQ, you must specify
# those parameters here.
#device an
# The probe order of these is presently determined by i386/isa/isa_compat.c.
#device ie0 at isa? port 0x300 irq 10 iomem 0xd0000
#device le0 at isa? port 0x300 irq 5 iomem 0xd0000
#device lnc0 at isa? port 0x280 irq 10 drq 0
#device cs0 at isa? port 0x300
#device sn0 at isa? port 0x300 irq 10
# Pseudo devices - the number indicates how many units to allocate.
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
#pseudo-device sl 1 # Kernel SLIP
#pseudo-device ppp 1 # Kernel PPP
#pseudo-device tun # Packet tunnel.
pseudo-device pty # Pseudo-ttys (telnet etc)
#pseudo-device md # Memory "disks"
#pseudo-device gif # IPv6 and IPv4 tunneling
#pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
# Novell
pseudo-device ef
options IPX
options NCP
options ETHER_II # enable Ethernet_II frame
options ETHER_8023 # enable Ethernet_802.3 (Novell) frame
options ETHER_8022 # enable Ethernet_802.2 frame
options ETHER_SNAP # enable Ethernet_802.2/SNAP frame
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device bpf #Berkeley packet filter
# USB support
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device usb # USB Bus (required)
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 uscanner # Scanners
device urio # Diamond Rio MP3 Player
# USB Ethernet, requires mii
#device aue # ADMtek USB ethernet
#device cue # CATC USB ethernet
#device kue # Kawasaki LSI USB ethernet
-------------- next part --------------
Copyright (c) 1992-2002 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 4.7-RELEASE #0: Thu Mar 6 12:27:11 CET 2003
root@serv.msi-europe.jis.de:/usr/obj/usr/src/sys/MSINW
Timecounter "i8254" frequency 1193182 Hz
CPU: AMD Athlon(TM) XP 2400+ (2000.08-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x681 Stepping = 1
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory = 1073725440 (1048560K bytes)
avail memory = 1041793024 (1017376K bytes)
Preloaded elf kernel "kernel" at 0xc034a000.
Pentium Pro MTRR support enabled
Using $PIR table, 10 entries at 0xc00f1bf0
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <PCI to PCI bridge (vendor=1106 device=b099)> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <ATI model 5446 graphics accelerator> at 0.0 irq 11
pci0: <unknown card> (vendor=0x14e4, dev=0x4401) at 9.0 irq 12
twe0: <3ware Storage Controller> port 0xb800-0xb80f mem
0xf1800000-0xf1ffffff,0xf2000000-0xf200000f irq 15 at device 11.0 on pci0
twe0: 8 ports, Firmware FE7X 1.05.00.036, BIOS BE7X 1.08.00.044
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xb400-0xb43f mem
0xf0800000-0xf08fffff,0xf1000000-0xf1000fff irq 11 at device 13.0 on pci0
fxp0: Ethernet address 00:02:b3:4c:0b:66
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp1: <Intel Pro 10/100B/100+ Ethernet> port 0xb000-0xb03f mem
0xef800000-0xef81ffff,0xf0000000-0xf0000fff irq 10 at device 14.0 on pci0
fxp1: Ethernet address 00:02:b3:4c:32:12
inphy1: <i82555 10/100 media interface> on miibus1
inphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ahc0: <Adaptec 19160B Ultra160 SCSI adapter> port 0xa800-0xa8ff mem
0xef000000-0xef000fff irq 12 at device 15.0 on pci0
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
uhci0: <VIA 83C572 USB controller> port 0xa400-0xa41f irq 14 at device
16.0 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0xa000-0xa01f irq 14 at device
16.1 on pci0
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <VIA 83C572 USB controller> port 0x9800-0x981f irq 14 at device
16.2 on pci0
usb2: <VIA 83C572 USB controller> on uhci2
usb2: USB revision 1.0
uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
pci0: <USB controller> at 16.3 irq 14
isab0: <PCI to ISA bridge (vendor=1106 device=3177)> at device 17.0 on
pci0
isa0: <ISA bus> on isab0
atapci0: <VIA 8235 ATA133 controller> at device 17.1 on pci0
atapci0: ATA channel disabled by BIOS
orm0: <Option ROMs> at iomem
0xc0000-0xcffff,0xd0000-0xd17ff,0xd4000-0xd4fff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
ata1 at port 0x170-0x177,0x376 irq 15 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: IEEE1284 device found /NIBBLE/ECP
Probing for PnP devices on ppbus0:
ppbus0: <Hewlett-Packard HP LaserJet 5Si> PJL,MLC,PCL
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
plip0: <PLIP network interface> on ppbus0
ncp_load: [210-213]
Waiting 3 seconds for SCSI devices to settle
twed0: <TwinStor, Normal> on twe0
twed0: 117799MB (241252672 sectors)
twed1: <RAID5, Normal> on twe0
twed1: 235598MB (482505216 sectors)
twe0: command interrupt
sa0 at ahc0 bus 0 target 4 lun 0
sa0: <SONY SDX-500C 010c> Removable Sequential Access SCSI-2 device
sa0: 40.000MB/s transfers (20.000MHz, offset 15, 16bit)
Mounting root from ufs:/dev/twed0s1a
WARNING: / was not properly dismounted
-------------- next part --------------
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