GENERIC 6.0-BETA5 from Sep 25 03:47 UTC, vmcore.36
Page fault in fs/fifofs/fifo_vnops.c:151

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 6.0-BETA5 #4: Sun Sep 25 13:08:05 CEST 2005
    pho@crashbox.osted.lan:/usr/src/sys/i386/compile/Generic
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) XEON(TM) CPU 1.80GHz (1799.80-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>
  Hyperthreading: 2 logical CPUs
real memory  = 1073676288 (1023 MB)
avail memory = 1041616896 (993 MB)
:
Trying to mount root from ufs:/dev/ad0s1a
fxp0: link state changed to UP


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0x8
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc05f3722
stack pointer           = 0x28:0xe87d8aec
frame pointer           = 0x28:0xe87d8af0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 13478 (mkfifo)
[thread pid 13478 tid 101326 ]
Stopped at      fifo_cleanup+0xa:       cmpl    $0,0x8(%ebx)
db> where
Tracing pid 13478 tid 101326 td 0xc50db900
fifo_cleanup(c4b0a660,c4b0a660,e87d8b3c,1,e87d8b1c) at fifo_cleanup+0xa
fifo_close(e87d8b3c,c4b0a660,c50db900,e87d8b28,c0822598) at fifo_close+0x4e
ufsfifo_close(e87d8b3c) at ufsfifo_close+0x87
VOP_CLOSE_APV(c090bbe0,e87d8b3c) at VOP_CLOSE_APV+0x38
vgonel(c4b0a660) at vgonel+0xcf
vgone(c4b0a660,c27b9880,e87d8bb8,c50db900,e87d8ba4) at vgone+0x3e
ufs_mknod(e87d8bb8,c27b9880,0,e87d8cc4,c0699b27) at ufs_mknod+0x7d
VOP_MKNOD_APV(c090bb00,e87d8bb8) at VOP_MKNOD_APV+0x38
kern_mkfifo(c50db900,804b5c0,0,180,e87d8d30) at kern_mkfifo+0x323
mkfifo(c50db900,e87d8d04,2,c03,296) at mkfifo+0x15
syscall(2805003b,bfbf003b,bfbf003b,28050288,bfbfea68) at syscall+0x2bb
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (132, FreeBSD ELF32, mkfifo), eip = 0x280c3db7, esp = 0xbfbfe91c, ebp = 0xbfbfe938 ---
db> ps
  pid   proc     uid  ppid  pgrp  flag   stat  wmesg    wchan  cmd
13604 c3a84830 1001 13476  4557 0000002 [SLPQ vmwait 0xc094bc38][SLP] mkfifo
13602 c5a5aa3c 1001 13475  4557 0000002 [CPU 2] mkfifo
13598 c5d27624 1001 13482  4557 0000002 [RUNQ] mkfifo
13482 c5bca830 1001 13474  4557 0000002 [SLPQ sbwait 0xc27e7bc8][SLP] mkfifo
13480 c5b33830 1001 13474  4557 0000002 [SLPQ pfault 0xc094bc38][SLP] mkfifo
13478 c5a5a624 1001 13474  4557 0000002 [CPU 1] mkfifo
13477 c5d24a3c 1001 13474  4557 0000002 [SLPQ ufs 0xc27b98d8][SLP] mkfifo
13476 c4b12c48 1001 13474  4557 0000002 [SLPQ sbwait 0xc27e7638][SLP] mkfifo
13475 c3a8a624 1001 13474  4557 0000002 [RUNQ] mkfifo
13474 c5bccc48 1001 13469  4557 0000002 [SLPQ wait 0xc5bccc48][SLP] mkfifo
13473 c5b33a3c 1001 13471  4557 0000002 [SLPQ pfault 0xc094bc38][SLP] swap
13472 c5b7b000 1001 13471  4557 0000002 [CPU 3] swap
13471 c5ba9c48 1001 13470  4557 0000002 [SLPQ wait 0xc5ba9c48][SLP] swap
13470 c5b2f624 1001  4561  4557 0004002 [SLPQ nanslp 0xc0936ccc][SLP] swap
13469 c396dc48 1001  4561  4557 0004002 [SLPQ nanslp 0xc0936ccc][SLP] mkfifo
 4561 c5bf0418 1001  4560  4557 0000002 [SLPQ wait 0xc5bf0418][SLP] run
 4560 c4e11a3c 1001  4559  4557 0000002 [SLPQ wait 0xc4e11a3c][SLP] run
 4559 c26d2830 1001  4557  4557 0004002 [SLPQ nanslp 0xc0936ccc][SLP] run
 4557 c2b76c48 1001   582  4557 0004002 [SLPQ wait 0xc2b76c48][SLP] sh
  597 c2753624 1001   591   597 0004002 [SLPQ select 0xc093d864][SLP] top
  591 c2753a3c 1001   590   591 0004002 [SLPQ wait 0xc2753a3c][SLP] bash
  590 c26d2c48 1001   588   588 0000100 [SLPQ select 0xc093d864][SLP] sshd
  588 c26d2a3c    0   448   588 0004100 [SLPQ sbwait 0xc2a534d4][SLP] sshd
  582 c26ccc48 1001   581   582 0004002 [SLPQ wait 0xc26ccc48][SLP] bash
  581 c26f8830 1001   579   579 0000100 [SLPQ select 0xc093d864][SLP] sshd
  579 c26f8c48    0   448   579 0004100 [SLPQ sbwait 0xc27e4d2c][SLP] sshd
  578 c274b20c    0     1   578 0004002 [SLPQ ttyin 0xc250e010][SLP] getty
  577 c2448c48    0     1   577 0004002 [SLPQ ttyin 0xc2504010][SLP] getty
  576 c2448624    0     1   576 0004002 [SLPQ ttyin 0xc247a410][SLP] getty
  575 c26f8000    0     1   575 0004002 [SLPQ ttyin 0xc250d810][SLP] getty
  574 c268ec48    0     1   574 0004002 [SLPQ ttyin 0xc250d410][SLP] getty
  573 c2690000    0     1   573 0004002 [SLPQ ttyin 0xc250c410][SLP] getty
  572 c275320c    0     1   572 0004002 [SLPQ ttyin 0xc250c010][SLP] getty
  571 c268e624    0     1   571 0004002 [SLPQ ttyin 0xc250d010][SLP] getty
  557 c26d2418    0     1   557 0000000 [SLPQ select 0xc093d864][SLP] inetd
  536 c26cca3c    0     1   536 0000000 [SLPQ select 0xc093d864][SLP] moused
  470 c26f3c48    0     1   470 0000000 [SLPQ nanslp 0xc0936ccc][SLP] cron
  458 c26f8a3c   25     1   458 0000100 [SLPQ pause 0xc26f8a70][SLP] sendmail
  454 c26cc418    0     1   454 0000100 [SLPQ select 0xc093d864][SLP] sendmail
  448 c26d2000    0     1   448 0000100 [SLPQ select 0xc093d864][SLP] sshd
  404 c268e830    0     1   404 0000000 [SLPQ select 0xc093d864][SLP] usbd
  313 c268e20c    0     1   313 0000000 [SLPQ select 0xc093d864][SLP] devd
  282 c274b624    0     1   282 0000000 [SLPQ swread 0xc1cf1868][SLP] syslogd
  108 c239920c    0     0     0 0000204 [SLPQ - 0xe5101d08][SLP] schedcpu
  107 c2399418    0     0     0 0000204 [SLPQ - 0xc0945e0c][SLP] nfsiod 3
  106 c2399624    0     0     0 0000204 [SLPQ - 0xc0945e08][SLP] nfsiod 2
  105 c2399830    0     0     0 0000204 [SLPQ - 0xc0945e04][SLP] nfsiod 1
  104 c2399a3c    0     0     0 0000204 [SLPQ - 0xc0945e00][SLP] nfsiod 0
  103 c2399c48    0     0     0 0000204 [SLPQ syncer 0xc0936a40][SLP] syncer
  102 c2446000    0     0     0 0000204 [SLPQ vlruwt 0xc2446000][SLP] vnlru
  101 c244620c    0     0     0 0000204 [SLPQ psleep 0xc093ddac][SLP] bufdaemon
  100 c2446418    0     0     0 000020c [RUNQ] pagezero
   99 c2446624    0     0     0 0000204 [SLPQ psleep 0xc094bf14][SLP] vmdaemon
   98 c2446830    0     0     0 0000204 [SLPQ wswbuf0 0xc094b6b4][SLP] pagedaemon
   97 c2446a3c    0     0     0 0000204 [SLPQ - 0xc2445e3c][SLP] fdc0
   96 c2446c48    0     0     0 0000204 [IWAIT] swi0: sio
   95 c2448000    0     0     0 0000204 [SLPQ usbtsk 0xc0931cc4][SLP] usbtask
   94 c244820c    0     0     0 0000204 [SLPQ usbevt 0xc246d210][SLP] usb0
   93 c2448418    0     0     0 0000204 [IWAIT] swi6: task queue
    9 c2393000    0     0     0 0000204 [SLPQ - 0xc236fa80][SLP] acpi_task2
    8 c239320c    0     0     0 0000204 [SLPQ - 0xc236fa80][SLP] acpi_task1
    7 c2393418    0     0     0 0000204 [SLPQ - 0xc236fa80][SLP] acpi_task0
    6 c2393624    0     0     0 0000204 [SLPQ - 0xc236fb00][SLP] kqueue taskq
   92 c2393830    0     0     0 0000204 [IWAIT] swi2: cambio
   91 c2393a3c    0     0     0 0000204 [IWAIT] swi5:+
    5 c2393c48    0     0     0 0000204 [SLPQ - 0xc236fd80][SLP] thread taskq
   90 c2398000    0     0     0 0000204 [IWAIT] swi6:+
   89 c239820c    0     0     0 0000204 [SLPQ - 0xc092f9e0][SLP] yarrow
    4 c2398418    0     0     0 0000204 [SLPQ - 0xc09341e8][SLP] g_down
    3 c2398624    0     0     0 0000204 [CPU 0] g_up
    2 c2398830    0     0     0 0000204 [SLPQ - 0xc09341dc][SLP] g_event
   88 c2398a3c    0     0     0 0000204 [IWAIT] swi1: net
   87 c2398c48    0     0     0 0000204 [IWAIT] swi3: vm
   86 c2399000    0     0     0 000020c [IWAIT] swi4: clock sio
   85 c237e000    0     0     0 0000204 [IWAIT] irq71:
   84 c237e20c    0     0     0 0000204 [IWAIT] irq70:
   83 c237e418    0     0     0 0000204 [IWAIT] irq69:
   82 c237e624    0     0     0 0000204 [IWAIT] irq68:
   81 c237e830    0     0     0 0000204 [IWAIT] irq67:
   80 c237ea3c    0     0     0 0000204 [IWAIT] irq66:
   79 c237ec48    0     0     0 0000204 [IWAIT] irq65:
   78 c2383000    0     0     0 0000204 [IWAIT] irq64:
   77 c238320c    0     0     0 0000204 [IWAIT] irq63:
   76 c2383418    0     0     0 0000204 [IWAIT] irq62:
   75 c2383624    0     0     0 0000204 [IWAIT] irq61:
   74 c2383830    0     0     0 0000204 [IWAIT] irq60:
   73 c2383a3c    0     0     0 0000204 [IWAIT] irq59:
   72 c2383c48    0     0     0 0000204 [IWAIT] irq58:
   71 c235e20c    0     0     0 0000204 [IWAIT] irq57:
   70 c235e418    0     0     0 0000204 [IWAIT] irq56:
   69 c235e624    0     0     0 0000204 [IWAIT] irq55:
   68 c235e830    0     0     0 0000204 [IWAIT] irq54:
   67 c235ea3c    0     0     0 0000204 [IWAIT] irq53:
   66 c235ec48    0     0     0 0000204 [IWAIT] irq52:
   65 c2370000    0     0     0 0000204 [IWAIT] irq51:
   64 c237020c    0     0     0 0000204 [IWAIT] irq50:
   63 c2370418    0     0     0 0000204 [IWAIT] irq49:
   62 c2370624    0     0     0 0000204 [IWAIT] irq48: em0
   61 c2370830    0     0     0 0000204 [IWAIT] irq47:
   60 c2370a3c    0     0     0 0000204 [IWAIT] irq46:
   59 c2370c48    0     0     0 0000204 [IWAIT] irq45:
   58 c2346624    0     0     0 0000204 [IWAIT] irq44:
   57 c2346830    0     0     0 0000204 [IWAIT] irq43:
   56 c2346a3c    0     0     0 0000204 [IWAIT] irq42:
   55 c2346c48    0     0     0 0000204 [IWAIT] irq41:
   54 c235d000    0     0     0 0000204 [IWAIT] irq40:
   53 c235d20c    0     0     0 0000204 [IWAIT] irq39:
   52 c235d418    0     0     0 0000204 [IWAIT] irq38:
   51 c235d624    0     0     0 0000204 [IWAIT] irq37:
   50 c235d830    0     0     0 0000204 [IWAIT] irq36:
   49 c235da3c    0     0     0 0000204 [IWAIT] irq35:
   48 c235dc48    0     0     0 0000204 [IWAIT] irq34:
   47 c235e000    0     0     0 0000204 [IWAIT] irq33:
   46 c2337c48    0     0     0 0000204 [IWAIT] irq32:
   45 c2345000    0     0     0 0000204 [IWAIT] irq31:
   44 c234520c    0     0     0 0000204 [IWAIT] irq30:
   43 c2345418    0     0     0 0000204 [IWAIT] irq29:
   42 c2345624    0     0     0 0000204 [IWAIT] irq28:
   41 c2345830    0     0     0 0000204 [IWAIT] irq27:
   40 c2345a3c    0     0     0 0000204 [IWAIT] irq26:
   39 c2345c48    0     0     0 0000204 [IWAIT] irq25:
   38 c2346000    0     0     0 0000204 [IWAIT] irq24:
   37 c234620c    0     0     0 0000204 [IWAIT] irq23:
   36 c2346418    0     0     0 0000204 [IWAIT] irq22:
   35 c232d624    0     0     0 0000204 [IWAIT] irq21:
   34 c232d830    0     0     0 0000204 [IWAIT] irq20:
   33 c232da3c    0     0     0 0000204 [IWAIT] irq19:
   32 c232dc48    0     0     0 0000204 [IWAIT] irq18:
   31 c2337000    0     0     0 0000204 [IWAIT] irq17: fxp0
   30 c233720c    0     0     0 0000204 [IWAIT] irq16: uhci0
   29 c2337418    0     0     0 0000204 [IWAIT] irq15: ata1
   28 c2337624    0     0     0 0000204 [IWAIT] irq14: ata0
   27 c2337830    0     0     0 0000204 [IWAIT] irq13:
   26 c2337a3c    0     0     0 0000204 [IWAIT] irq12: psm0
   25 c22da20c    0     0     0 0000204 [IWAIT] irq11:
   24 c22da418    0     0     0 0000204 [IWAIT] irq10:
   23 c22da624    0     0     0 0000204 [IWAIT] irq9: acpi0
   22 c22da830    0     0     0 0000204 [IWAIT] irq8:
   21 c22daa3c    0     0     0 0000204 [IWAIT] irq7: ppc0
   20 c22dac48    0     0     0 0000204 [IWAIT] irq6: fdc0
   19 c232d000    0     0     0 0000204 [IWAIT] irq5:
   18 c232d20c    0     0     0 0000204 [IWAIT] irq4: sio0
   17 c232d418    0     0     0 0000204 [IWAIT] irq3: sio1
   16 c22d5000    0     0     0 0000204 [IWAIT] irq0:
   15 c22d520c    0     0     0 0000204 [IWAIT] irq1: atkbd0
   14 c22d5418    0     0     0 000020c [Can run] idle: cpu0
   13 c22d5624    0     0     0 000020c [Can run] idle: cpu1
   12 c22d5830    0     0     0 000020c [Can run] idle: cpu2
   11 c22d5a3c    0     0     0 000020c [Can run] idle: cpu3
    1 c22d5c48    0     0     1 0004200 [SLPQ wait 0xc22d5c48][SLP] init
   10 c22da000    0     0     0 0000204 [SLPQ ktrace 0xc0934c38][SLP] ktrace
    0 c09342e0    0     0     0 0000200 [IWAIT] swapper
13595 c3a9e418 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13603 c5a55418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13548 c52a320c 1001 13478  4557 0002002 zomb[INACTIVE] mkfifo
13596 c4cd9624 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13588 c50d6a3c 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13601 c4cc8418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13600 c4e0f830 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13599 c5b30c48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13597 c5a55624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13590 c49e7a3c 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13592 c4067000 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13594 c51d4418 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13585 c5b30830 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13593 c49df830 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13589 c52a3a3c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13591 c5b30a3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13587 c268e418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13579 c5c23000 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13584 c3a84a3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13578 c5c23624 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13586 c396d624 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13577 c3f30a3c 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13582 c49e5000 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13583 c5fc3624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13580 c42b6a3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13581 c3258c48 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13575 c49df418 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13576 c3a86830 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13573 c2b52830 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13569 c399a000 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13568 c51d7624 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13574 c50d8a3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13571 c51d5c48 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13572 c2690c48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13567 c51d7a3c 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13570 c5d27418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13566 c4bc8830 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13565 c5bb5a3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13563 c5b7b20c 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13559 c5b30418 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13564 c274ba3c 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13562 c3258418 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13561 c50d8830 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13553 c5b3020c 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13555 c4aba418 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13557 c3ad0000 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13560 c50d8624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13556 c26f3830 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13558 c527f830 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13549 c3a88418 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13552 c5bcc000 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13550 c428d000 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13554 c3efe418 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13546 c5bb0624 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13545 c3f30418 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13551 c5fce20c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13543 c5e4f418 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13547 c4cc8624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13541 c399a20c 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13484 c559d830 1001 13478  4557 0002002 zomb[INACTIVE] mkfifo
13542 c5290c48 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13544 c5bb0418 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13532 c5283830 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13533 c4e11830 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13539 c51fac48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13540 c51d6a3c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13525 c26d1a3c 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13531 c5d2720c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13538 c4291624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13537 c3975c48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13536 c3a83624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13535 c302b418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13534 c5b30000 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13528 c5b77c48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13519 c5d27000 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13516 c5b2f830 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13530 c248ca3c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13529 c2754000 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13518 c3a8620c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13527 c2b76624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13526 c5b2fa3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13524 c4e1120c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13514 c5e64624 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13523 c5a5a418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13522 c51de624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13521 c3ad0418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13520 c2b4f830 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13515 c2754c48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13513 c470f20c 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13517 c2b52624 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13511 c2b53c48 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13512 c5290624 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13508 c559720c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13505 c5bb020c 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13499 c528420c 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13510 c55ee418 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13507 c5284000 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13509 c5bf0624 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13502 c50d8418 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13503 c5c23830 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13506 c3ad0624 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13504 c5e64418 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13483 c5ba9000 1001 13477  4557 0002002 zomb[INACTIVE] mkfifo
13494 c4b10418 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13501 c26f3418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13500 c2ba4a3c 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13498 c5e6420c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13497 c5e64000 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13479 c5bb0000 1001 13475  4557 0002002 zomb[INACTIVE] mkfifo
13495 c5299624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13496 c4b10624 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13486 c5290a3c 1001 13482  4557 0002002 zomb[INACTIVE] mkfifo
13493 c470f000 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13491 c5bc8a3c 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13492 c51cfa3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13490 c5bf0c48 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13488 c5c47624 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13489 c3968624 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13487 c3ef3a3c 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
13481 c2ba4830 1001 13476  4557 0002002 zomb[INACTIVE] mkfifo
13485 c2b53418 1001 13480  4557 0002002 zomb[INACTIVE] mkfifo
db> call doadump
Dumping 1023 MB (2 chunks)
  chunk 0: 1MB (159 pages) ... ok
  chunk 1: 1023MB (261872 pages) 1007 991 975 959 943 927 911 895 879 863 847 831 815 799 783 767 751 735 719 703 687 671 655 639 623 607 591 575 559 543 527 511 495 479 463 447 431 415 399 383 367 351 335 319 303 287 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15 ... ok

Dump complete
= 0xf
db> reset

(kgdb) bt
#0  doadump () at pcpu.h:165
#1  0xc0468d47 in db_fncall (dummy1=0x0, dummy2=0x0, dummy3=0x0, dummy4=0xe87d8914 "@\211}hE\177,\211}0\211}\220\a")
    at ../../../ddb/db_command.c:489
#2  0xc0468b4c in db_command (last_cmdp=0xc091b584, cmd_table=0x0, aux_cmd_tablep=0xc0898c90, aux_cmd_tablep_end=0xc0898cac)
    at ../../../ddb/db_command.c:349
#3  0xc0468c14 in db_command_loop () at ../../../ddb/db_command.c:455
#4  0xc046a7c9 in db_trap (type=0xc, code=0x0) at ../../../ddb/db_main.c:228
#5  0xc0656c40 in kdb_trap (type=0xc, code=0x0, tf=0xe87d8aac) at ../../../kern/subr_kdb.c:473
#6  0xc081298c in trap_fatal (frame=0xe87d8aac, eva=0x8) at ../../../i386/i386/trap.c:832
#7  0xc08126d3 in trap_pfault (frame=0xe87d8aac, usermode=0x0, eva=0x8) at ../../../i386/i386/trap.c:752
#8  0xc08122c9 in trap (frame=
      {tf_fs = 0xc27b0008, tf_es = 0x28, tf_ds = 0xc29f0028, tf_edi = 0xc4b0a660, tf_esi = 0xe87d8b3c, tf_ebp = 0xe87d8af0, tf_isp = 0xe87d8ad8, tf_ebx = 0x0, tf_edx = 0x4, tf_ecx = 0xc4b0a6dc, tf_eax = 0xc4b0a660, tf_trapno = 0xc, tf_err = 0x0, tf_eip = 0xc05f3722, tf_cs = 0x20, tf_eflags = 0x10246, tf_esp = 0x0, tf_ss = 0xe87d8b08}) at ../../../i386/i386/trap.c:442
#9  0xc07ff50a in calltrap () at ../../../i386/i386/exception.s:139
#10 0xc05f3722 in fifo_cleanup (vp=0xc4b0a660) at ../../../fs/fifofs/fifo_vnops.c:148
#11 0xc05f3ffe in fifo_close (ap=0xe87d8b3c) at ../../../fs/fifofs/fifo_vnops.c:432
#12 0xc0799627 in ufsfifo_close (ap=0xe87d8b3c) at ../../../ufs/ufs/ufs_vnops.c:1970
#13 0xc0822598 in VOP_CLOSE_APV (vop=0xc4b0a660, a=0x4) at vnode_if.c:426
#14 0xc0695633 in vgonel (vp=0xc4b0a660) at vnode_if.h:227
#15 0xc069552a in vgone (vp=0xc4b0a660) at ../../../kern/vfs_subr.c:2354
#16 0xc0796b19 in ufs_mknod (ap=0xe87d8bb8) at ../../../ufs/ufs/ufs_vnops.c:218
#17 0xc08224d0 in VOP_MKNOD_APV (vop=0xc4b0a660, a=0xe87d8bb8) at vnode_if.c:315
#18 0xc0699b27 in kern_mkfifo (td=0xc50db900, path=0x804b5c0 <Address 0x804b5c0 out of bounds>, pathseg=UIO_USERSPACE, mode=0x180)
    at vnode_if.h:166
#19 0xc0699801 in mkfifo (td=0xc50db900, uap=0xc4b0a660) at ../../../kern/vfs_syscalls.c:1273
#20 0xc0812d07 in syscall (frame=
      {tf_fs = 0x2805003b, tf_es = 0xbfbf003b, tf_ds = 0xbfbf003b, tf_edi = 0x28050288, tf_esi = 0xbfbfea68, tf_ebp = 0xbfbfe938, tf_isp = 0xe87d8d64, tf_ebx = 0x1, tf_edx = 0x804b5ca, tf_ecx = 0x0, tf_eax = 0x84, tf_trapno = 0xc, tf_err = 0x2, tf_eip = 0x280c3db7, tf_cs = 0x33, tf_eflags = 0x296, tf_esp = 0xbfbfe91c, tf_ss = 0x3b}) at ../../../i386/i386/trap.c:986
#21 0xc07ff55f in Xint0x80_syscall () at ../../../i386/i386/exception.s:200
(kgdb) f 10
#10 0xc05f3722 in fifo_cleanup (vp=0xc4b0a660) at ../../../fs/fifofs/fifo_vnops.c:148
148             struct fifoinfo *fip = vp->v_fifoinfo;
(kgdb) l
143      * Dispose of fifo resources.
144      */
145     static void
146     fifo_cleanup(struct vnode *vp)
147     {
148             struct fifoinfo *fip = vp->v_fifoinfo;
149
150             ASSERT_VOP_LOCKED(vp, "fifo_cleanup");
151             if (fip->fi_readers == 0 && fip->fi_writers == 0) {
152              vp->v_fifoinfo = NULL;
(kgdb) p *vp
$2 = {v_type = VNON, v_tag = 0xc0879d7e "ufs", v_op = 0xc090bbe0, v_data = 0xc5cbf8c4, v_mount = 0xc2738000, v_nmntvnodes = {
    tqe_next = 0xc53d8dd0, tqe_prev = 0xc4267894}, v_un = {vu_mount = 0x0, vu_socket = 0x0, vu_cdev = 0x0, vu_fifoinfo = 0x0},
  v_hashlist = {le_next = 0x0, le_prev = 0xc2523ca0}, v_hash = 0x2e27a, v_cache_src = {lh_first = 0x0}, v_cache_dst = {tqh_first = 0x0,
    tqh_last = 0xc4b0a690}, v_dd = 0x0, v_cstart = 0x0, v_lasta = 0x0, v_lastw = 0x0, v_clen = 0x0, v_lock = {lk_interlock = 0xc09359b8,
    lk_flags = 0x40040, lk_sharecount = 0x0, lk_waitcount = 0x0, lk_exclusivecount = 0x1, lk_prio = 0x50, lk_wmesg = 0xc0879d7e "ufs",
    lk_timo = 0x33, lk_lockholder = 0xc50db900, lk_newlock = 0x0}, v_interlock = {mtx_object = {lo_class = 0xc08d2664,
      lo_name = 0xc087b2bb "vnode interlock", lo_type = 0xc087b2bb "vnode interlock", lo_flags = 0x30000, lo_list = {tqe_next = 0x0,
        tqe_prev = 0x0}, lo_witness = 0x0}, mtx_lock = 0x4, mtx_recurse = 0x0}, v_vnlock = 0xc4b0a6b8, v_holdcnt = 0x1,
  v_usecount = 0x1, v_iflag = 0x80, v_vflag = 0x4, v_writecount = 0x0, v_freelist = {tqe_next = 0x0, tqe_prev = 0xc4267938}, v_bufobj = {
    bo_mtx = 0xc4b0a6dc, bo_clean = {bv_hd = {tqh_first = 0x0, tqh_last = 0xc4b0a724}, bv_root = 0x0, bv_cnt = 0x0}, bo_dirty = {
      bv_hd = {tqh_first = 0x0, tqh_last = 0xc4b0a734}, bv_root = 0x0, bv_cnt = 0x0}, bo_numoutput = 0x0, bo_flag = 0x0,
    bo_ops = 0xc08d88e4, bo_bsize = 0x4000, bo_object = 0x0, bo_synclist = {le_next = 0x0, le_prev = 0x0}, bo_private = 0xc4b0a660,
    __bo_vnode = 0xc4b0a660}, v_pollinfo = 0x0, v_label = 0x0}
(kgdb) up
#11 0xc05f3ffe in fifo_close (ap=0xe87d8b3c) at ../../../fs/fifofs/fifo_vnops.c:432
432             fifo_cleanup(vp);
(kgdb) info loc
vp = (struct vnode *) 0xc4b0a660
fip = (struct fifoinfo *) 0x0
(kgdb) l
427             if (ap->a_fflag & FWRITE) {
428              fip->fi_writers--;
429              if (fip->fi_writers == 0)
430                socantrcvmore(fip->fi_readsock);
431             }
432             fifo_cleanup(vp);
433             return (0);
434     }
435
436     /*
(kgdb) p *ap
$3 = {a_gen = {a_desc = 0xc0919c00}, a_vp = 0xc4b0a660, a_fflag = 0x4, a_cred = 0x0, a_td = 0xc50db900}
(kgdb) l *0xc05f3722
0xc05f3722 is in fifo_cleanup (../../../fs/fifofs/fifo_vnops.c:151).
146     fifo_cleanup(struct vnode *vp)
147     {
148             struct fifoinfo *fip = vp->v_fifoinfo;
149
150             ASSERT_VOP_LOCKED(vp, "fifo_cleanup");
151             if (fip->fi_readers == 0 && fip->fi_writers == 0) {
152              vp->v_fifoinfo = NULL;
153              (void)soclose(fip->fi_readsock);
154              (void)soclose(fip->fi_writesock);
155              FREE(fip, M_VNODE);