GENERIC RELENG_5 from Jan 31 18:10 UTC, vmcore.489

GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2005 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 5.4-STABLE #1: Tue Jan 31 19:19:54 CET 2006
    pho@current.osted.lan:/usr/src/sys/i386/compile/PHO
WARNING: WITNESS option enabled, expect reduced performance.
ACPI APIC Table: <A M I  OEMAPIC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Celeron(R) CPU 1.80GHz (1799.14-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf13  Stepping = 3
  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  = 267583488 (255 MB)
avail memory = 252108800 (240 MB)
:
Mounting root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /usr was not properly dismounted
WARNING: /var was not properly dismounted
Memory modified after free 0xc171f400(508) val=c17c7c00 @ 0xc171f410
panic: Most recently used by UFS dirhash

KDB: enter: panic
[thread pid 626 tid 100112 ]
Stopped at      kdb_enter+0x2b: nop
db> where
Tracing pid 626 tid 100112 td 0xc185e300
kdb_enter(c082ffb9) at kdb_enter+0x2b
panic(c084a848,c084744f,c084a819,c171f400,1fc) at panic+0xdf
mtrash_ctor(c171f400,200,0,101) at mtrash_ctor+0x4d
uma_zalloc_arg(c10456c0,0,101) at uma_zalloc_arg+0x14c
malloc(168,c08c8aa0,101,c092b860,0) at malloc+0xae
ufsdirhash_build(c1c9d690) at ufsdirhash_build+0x203
ufs_lookup(cf0d5aa4,cf0d5ae0,c06607fa,cf0d5aa4,cf0d5a98) at ufs_lookup+0x133
ufs_vnoperate(cf0d5aa4) at ufs_vnoperate+0x13
vfs_cache_lookup(cf0d5b1c,cf0d5b38,c0665b8b,cf0d5b1c,c185e300) at vfs_cache_lookup+0x176
ufs_vnoperate(cf0d5b1c,c185e300,cf0d5bc8,0,c0838145) at ufs_vnoperate+0x13
lookup(cf0d5ba0,c185e300,c066c0a7,c17f1c00,0) at lookup+0x36f
namei(cf0d5ba0,80556a8,0,0,c1748bb8) at namei+0x2c4
kern_lstat(c185e300,80556a8,0,cf0d5c74) at kern_lstat+0x47
lstat(c185e300,cf0d5d04,2,315,296) at lstat+0x1b
syscall(804002f,80f002f,bfbf002f,8055600,8055648) at syscall+0x227
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (190, FreeBSD ELF32, lstat), eip = 0x28130fc7, esp = 0xbfbfe86c, ebp = 0xbfbfe908 ---
db> show pcpu
cpuid        = 0
curthread    = 0xc185e300: pid 626 "find"
curpcb       = 0xcf0d5d90
fpcurthread  = none
idlethread   = 0xc14fc480: pid 11 "idle"
APIC ID      = 0
currentldt   = 0x30
spin locks held:
db> show alllocks
Process 626 (find) thread 0xc185e300 (100112)
exclusive sleep mutex Giant r = 0 (0xc08f4b20) locked @ i386/i386/trap.c:1004
db> show lockedvnods
Locked vnodes
0xc1cb7708: tag ufs, type VDIR, usecount 3, writecount 0, refcount 6, flags (VV_OBJBUF), lock type ufs: EXCL (count 1) by thread 0xc185e300 (pid 626)
        ino 49353, on dev ad0s1e (4, 20)
db> ps
  pid   proc     uid  ppid  pgrp  flag   stat  wmesg    wchan  cmd
  626 c185bc5c 1001   625   625 0004002 [CPU 0] find
  625 c185be20 1001   617   625 0004002 [SLPQ wait 0xc185be20][SLP] sh
  617 c185b000 1001   616   617 0004002 [SLPQ wait 0xc185b000][SLP] bash
  616 c18571c4 1001   614   614 0000100 [SLPQ select 0xc091e024][SLP] sshd
  614 c185b710    0   438   614 0000100 [SLPQ sbwait 0xc18615a8][SLP] sshd
  575 c1857e20    0     1   575 0004002 [SLPQ ttyin 0xc163aa10][SLP] getty
  574 c1741000    0     1   574 0004002 [SLPQ ttyin 0xc163ac10][SLP] getty
  573 c1857710    0     1   573 0004002 [SLPQ ttyin 0xc163ae10][SLP] getty
  572 c1857000    0     1   572 0004002 [SLPQ ttyin 0xc1669010][SLP] getty
  571 c17418d4    0     1   571 0004002 [SLPQ ttyin 0xc1669210][SLP] getty
  570 c1857c5c    0     1   570 0004002 [SLPQ ttyin 0xc1669410][SLP] getty
  569 c1741e20    0     1   569 0004002 [SLPQ ttyin 0xc1669610][SLP] getty
  568 c173e388    0     1   568 0004002 [SLPQ ttyin 0xc1669810][SLP] getty
  554 c162bc5c    0     1   554 0000000 [SLPQ select 0xc091e024][SLP] inetd
  462 c1857a98    0     1   462 0000000 [SLPQ nanslp 0xc08f65cc][SLP] cron
  450 c18578d4   25     1   450 0000100 [SLPQ pause 0xc185790c][SLP] sendmail
  444 c1741710    0     1   444 0000100 [SLPQ select 0xc091e024][SLP] sendmail
  438 c1741a98    0     1   438 0000100 [SLPQ select 0xc091e024][SLP] sshd
  418 c1741c5c    0     1   418 0000000 [SLPQ select 0xc091e024][SLP] ntpd
  387 c185754c    0     1   387 0000000 [SLPQ select 0xc091e024][SLP] usbd
  362 c162ba98    0   357   357 0000000 [SLPQ - 0xc17c6a00][SLP] nfsd
  361 c173e710    0   357   357 0000000 [SLPQ - 0xc17c6c00][SLP] nfsd
  360 c162be20    0   357   357 0000000 [SLPQ - 0xc17c6e00][SLP] nfsd
  359 c173e8d4    0   357   357 0000000 [SLPQ - 0xc17c7000][SLP] nfsd
  357 c173e54c    0     1   357 0000000 [SLPQ select 0xc091e024][SLP] nfsd
  355 c173ea98    0     1   355 0000000 [SLPQ select 0xc091e024][SLP] mountd
  285 c173e000    0     1   285 0000000 [SLPQ select 0xc091e024][SLP] rpcbind
  271 c173e1c4    0     1   271 0000000 [SLPQ select 0xc091e024][SLP] syslogd
  253 c173ec5c    0     1   253 0000000 [SLPQ select 0xc091e024][SLP] devd
   62 c17411c4    0     0     0 0000204 [SLPQ - 0xce794d04][SLP] schedcpu
   61 c1741388    0     0     0 0000204 [SLPQ - 0xc0925b4c][SLP] nfsiod 3
   60 c15ee1c4    0     0     0 0000204 [SLPQ - 0xc0925b48][SLP] nfsiod 2
   59 c15ee388    0     0     0 0000204 [SLPQ - 0xc0925b44][SLP] nfsiod 1
   58 c15ee54c    0     0     0 0000204 [SLPQ - 0xc0925b40][SLP] nfsiod 0
   57 c15ee710    0     0     0 0000204 [SLPQ vlruwt 0xc15ee710][SLP] vnlru
   56 c15ee8d4    0     0     0 0000204 [SLPQ syncer 0xc08f6360][SLP] syncer
   55 c15eea98    0     0     0 0000204 [SLPQ psleep 0xc091e5e8][SLP] bufdaemon
   54 c15eec5c    0     0     0 000020c [SLPQ pgzero 0xc092c4d4][SLP] pagezero
   53 c15eee20    0     0     0 0000204 [SLPQ psleep 0xc092c528][SLP] vmdaemon
   52 c162b000    0     0     0 0000204 [SLPQ psleep 0xc092c4e4][SLP] pagedaemon
   51 c162b1c4    0     0     0 0000204 [SLPQ - 0xc163813c][SLP] fdc0
   50 c162b388    0     0     0 0000204 [IWAIT] swi0: sio
   49 c162b54c    0     0     0 0000204 [SLPQ usbevt 0xc162f210][SLP] usb3
   48 c162b710    0     0     0 0000204 [SLPQ usbevt 0xc1630210][SLP] usb2
   47 c162b8d4    0     0     0 0000204 [SLPQ usbevt 0xc161e210][SLP] usb1
   46 c1543a98    0     0     0 0000204 [SLPQ usbtsk 0xc08ee2d8][SLP] usbtask
   45 c1543c5c    0     0     0 0000204 [SLPQ usbevt 0xc15f4210][SLP] usb0
    9 c1543e20    0     0     0 0000204 [SLPQ actask 0xc0a8c34c][SLP] acpi_task2
    8 c15ea000    0     0     0 0000204 [SLPQ actask 0xc0a8c34c][SLP] acpi_task1
    7 c15ea1c4    0     0     0 0000204 [SLPQ actask 0xc0a8c34c][SLP] acpi_task0
   44 c15ea388    0     0     0 0000204 [IWAIT] swi3: cambio
   43 c15ea54c    0     0     0 0000204 [IWAIT] swi2: camnet
   42 c15ea710    0     0     0 0000204 [IWAIT] swi6:+
   41 c15ea8d4    0     0     0 0000204 [IWAIT] swi6: acpitaskq
    6 c15eaa98    0     0     0 0000204 [SLPQ - 0xc15f2240][SLP] thread taskq
   40 c15eac5c    0     0     0 0000204 [IWAIT] swi6:+
   39 c15eae20    0     0     0 0000204 [IWAIT] swi6: task queue
    5 c15ee000    0     0     0 0000204 [SLPQ - 0xc157ea80][SLP] kqueue taskq
   38 c153354c    0     0     0 0000204 [SLPQ - 0xc08ec020][SLP] yarrow
    4 c1533710    0     0     0 0000204 [SLPQ - 0xc08f0c08][SLP] g_down
    3 c15338d4    0     0     0 0000204 [SLPQ - 0xc08f0c04][SLP] g_up
    2 c1533a98    0     0     0 0000204 [SLPQ - 0xc08f0bfc][SLP] g_event
   37 c1533c5c    0     0     0 0000204 [IWAIT] swi1: net
   36 c1533e20    0     0     0 0000204 [IWAIT] swi4: vm
   35 c1543000    0     0     0 000020c [RUNQ] swi5: clock sio
   34 c15431c4    0     0     0 0000204 [IWAIT] irq0: clk
   33 c1543388    0     0     0 0000204 [IWAIT] irq23:
   32 c154354c    0     0     0 0000204 [IWAIT] irq22: rl0
   31 c1543710    0     0     0 0000204 [IWAIT] irq21:
   30 c15438d4    0     0     0 0000204 [IWAIT] irq20:
   29 c15031c4    0     0     0 0000204 [IWAIT] irq19: uhci1
   28 c1503388    0     0     0 0000204 [IWAIT] irq18: uhci2
   27 c150354c    0     0     0 0000204 [IWAIT] irq17: pcm0
   26 c1503710    0     0     0 0000204 [IWAIT] irq16: uhci0 uhci3
   25 c15038d4    0     0     0 0000204 [IWAIT] irq15: ata1
   24 c1503a98    0     0     0 0000204 [IWAIT] irq14: ata0
   23 c1503c5c    0     0     0 0000204 [IWAIT] irq13:
   22 c1503e20    0     0     0 0000204 [IWAIT] irq12:
   21 c1533000    0     0     0 0000204 [IWAIT] irq11:
   20 c15331c4    0     0     0 0000204 [IWAIT] irq10:
   19 c1533388    0     0     0 0000204 [IWAIT] irq9: acpi0
   18 c14fb000    0     0     0 0000204 [IWAIT] irq8: rtc
   17 c14fb1c4    0     0     0 0000204 [IWAIT] irq7: ppc0
   16 c14fb388    0     0     0 0000204 [IWAIT] irq6: fdc0
   15 c14fb54c    0     0     0 0000204 [IWAIT] irq5:
   14 c14fb710    0     0     0 0000204 [IWAIT] irq4: sio0
   13 c14fb8d4    0     0     0 0000204 [IWAIT] irq3:
   12 c14fba98    0     0     0 0000204 [IWAIT] irq1: atkbd0
   11 c14fbc5c    0     0     0 000020c [Can run] idle
    1 c14fbe20    0     0     1 0004200 [SLPQ wait 0xc14fbe20][SLP] init
   10 c1503000    0     0     0 0000204 [SLPQ ktrace 0xc08f4558][SLP] ktrace
    0 c08f0d00    0     0     0 0000200 [SLPQ sched 0xc08f0d00][SLP] swapper
db> call doadump
Dumping 255 MB
 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
Dump complete
0xf
db> reset

(kgdb) x/80x 0xc171f400
0xc171f400:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f410:     0xc17c7c00      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f420:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f430:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f440:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f450:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f460:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f470:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f480:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f490:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f4a0:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f4b0:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f4c0:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f4d0:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f4e0:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f4f0:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f500:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f510:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f520:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc171f530:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
(kgdb) x/20x 0xc17c7c00
0xc17c7c00:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc17c7c10:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc17c7c20:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc17c7c30:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
0xc17c7c40:     0xdeadc0de      0xdeadc0de      0xdeadc0de      0xdeadc0de
(kgdb) p *(struct vnode *)0xc1cb7708
$1 = {v_interlock = {mtx_object = {lo_class = 0xc088f47c, lo_name = 0xc08388ad "vnode interlock",
      lo_type = 0xc08388ad "vnode interlock", lo_flags = 0x30000, lo_list = {tqe_next = 0xc1cb75dc, tqe_prev = 0xc1cb7844},
      lo_witness = 0xc08f9d10}, mtx_lock = 0x4, mtx_recurse = 0x0}, v_iflag = 0x0, v_usecount = 0x3, v_numoutput = 0x0,
  v_vxthread = 0x0, v_holdcnt = 0x6, v_cleanblkhd = {tqh_first = 0xc66b93d0, tqh_last = 0xc66b4bf0}, v_cleanblkroot = 0xc66b93d0,
  v_cleanbufcnt = 0x5, v_dirtyblkhd = {tqh_first = 0x0, tqh_last = 0xc1cb7750}, v_dirtyblkroot = 0x0, v_dirtybufcnt = 0x0,
  v_vflag = 0x8, v_writecount = 0x0, v_object = 0xc18658c4, v_lastw = 0x0, v_cstart = 0x0, v_lasta = 0x0, v_clen = 0x0, v_un = {
    vu_mountedhere = 0x0, vu_socket = 0x0, vu_spec = {vu_cdev = 0x0, vu_specnext = {sle_next = 0x0}}, vu_fifoinfo = 0x0}, v_freelist = {
    tqe_next = 0x0, tqe_prev = 0xc1cb78bc}, v_nmntvnodes = {tqe_next = 0xc1cb75dc, tqe_prev = 0xc1cb78c4}, v_synclist = {le_next = 0x0,
    le_prev = 0x0}, v_type = VDIR, v_tag = 0xc0836a40 "ufs", v_data = 0xc1c9d690, v_lock = {lk_interlock = 0xc08f59e8,
    lk_flags = 0x1000440, lk_sharecount = 0x0, lk_waitcount = 0x0, lk_exclusivecount = 0x1, lk_prio = 0x50,
    lk_wmesg = 0xc0836a40 "ufs", lk_timo = 0x6, lk_lockholder = 0xc185e300, lk_newlock = 0x0,
    lk_filename = 0xc0838145 "../../../kern/vfs_lookup.c", lk_lockername = 0xc0837edd "vop_stdlock", lk_lineno = 0x15d,
    lk_slockholder = 0xffffffff, lk_sfilename = 0xc08062af "none", lk_slockername = 0xc082e4fa "never share locked", lk_slineno = 0x0},
  v_vnlock = 0xc1cb77b4, v_op = 0xc1682e00, v_mount = 0xc1728800, v_cache_src = {lh_first = 0xc1b85908}, v_cache_dst = {
    tqh_first = 0xc1b14110, tqh_last = 0xc1b14120}, v_id = 0xcd35, v_dd = 0xc1a69000, v_ddid = 0xcd33, v_pollinfo = 0x0, v_label = 0x0,
  filename = 0xc0838145 "../../../kern/vfs_lookup.c", line = 0x15d, v_cachedfs = 0x414, v_cachedid = 0xc0c9, v_bsize = 0x4000}