Got today on one of our servers running 4.11-RELEASE:
GNU gdb 4.18 (FreeBSD)
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd"...
IdlePTD at physical address 0x003b9000
initial pcb at physical address 0x0031b5c0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x20202020
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0193533
stack pointer = 0x10:0xef9fbc88
frame pointer = 0x10:0xef9fbca4
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 = 6866 (man)
interrupt mask = net tty bio cam
trap number = 12
panic: page fault
syncing disks... 22 1 1 1 1 1 1 1 7
done
Uptime: 6h47m18s
twe0: Cannot delete unit. error = 16
dumping to dev #twed/0x20001, offset 8913024
dump 3839 3838 3837 3836 3835 3834 3833 3832 3831 3830 3829 3828 3827 3826 3825
3824 3823 3822 3821 3820 3819 3818 3817 3816 3815 3814 3813 3812 3811 3810 3809
3808 3807 3806 3805 3804 3803 3802 3801 3800 3799 3798 3797 3796 3795 3794 3793
3792 3791 3790 3789 3788 3787 3786 3785 3784 3783 3782 3781 3780 3779 3778 3777
3776 3775 3774 3773 3772 3771 3770 3769 3768 3767 3766 3765 3764 3763 3762 3761
3760 3759 3758 3757 3756 3755 3754 3753 3752 3751 3750 3749 3748 3747 3746 3745
3744 3743 3742 3741 3740 3739 3738 3737 3736 3735 3734 3733 3732 3731 3730 3729
3728 3727 3726 3725 3724 3723 3722 3721 3720 3719 3718 3717 3716 3715 3714 3713
3712 3711 3710 3709 3708 3707 3706 3705 3704 3703 3702 3701 3700 3699 3698 3697
3696 3695 3694 3693 3692 3691 3690 3689 3688 3687 3686 3685 3684 3683 3682 3681
3680 3679 3678 3677 3676 3675 3674 3673 3672 3671 3670 3669 3668 3667 3666 3665
3664 3663 3662 3661 3660 3659 3658 3657 3656 3655 3654 3653 3652 3651 3650 3649
3648 3647 3646 3645 3644 3643 3642 3641 3640 3639 3638 3637 3636 3635 3634 3633
3632 3631 3630 3629 3628 3627 3626 3625 3624 3623 3622 3621 3620 3619 3618 3617
3616 3615 3614 3613 3612 3611 3610 3609 3608 3607 3606 3605 3604 3603 3602 3601
3600 3599 3598 3597 3596 3595 3594 3593 3592 3591 3590 3589 3588 3587 3586 3585
3584 3583 3582 3581 3580 3579 3578 3577 3576 3575 3574 3573 3572 3571 3570 3569
3568 3567 3566 3565 3564 3563 3562 3561 3560 3559 3558 3557 3556 3555 3554 3553
3552 3551 3550 3549 3548 3547 3546 3545 3544 3543 3542 3541 3540 3539 3538 3537
3536 3535 3534 3533 3532 3531 3530 3529 3528 3527 3526 3525 3524 3523 3522 3521
3520 3519 3518 3517 3516 3515 3514 3513 3512 3511 3510 3509 3508 3507 3506 3505
3504 3503 3502 3501 3500 3499 3498 3497 3496 3495 3494 3493 3492 3491 3490 3489
3488 3487 3486 3485 3484 3483 3482 3481 3480 3479 3478 3477 3476 3475 3474 3473
3472 3471 3470 3469 3468 3467 3466 3465 3464 3463 3462 3461 3460 3459 3458 3457
3456 3455 3454 3453 3452 3451 3450 3449 3448 3447 3446 3445 3444 3443 3442 3441
3440 3439 3438 3437 3436 3435 3434 3433 3432 3431 3430 3429 3428 3427 3426 3425
3424 3423 3422 3421 3420 3419 3418 3417 3416 3415 3414 3413 3412 3411 3410 3409
3408 3407 3406 3405 3404 3403 3402 3401 3400 3399 3398 3397 3396 3395 3394 3393
3392 3391 3390 3389 3388 3387 3386 3385 3384 3383 3382 3381 3380 3379 3378 3377
3376 3375 3374 3373 3372 3371 3370 3369 3368 3367 3366 3365 3364 3363 3362 3361
3360 3359 3358 3357 3356 3355 3354 3353 3352 3351 3350 3349 3348 3347 3346 3345
3344 3343 3342 3341 3340
---
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
487 if (dumping++) {
(kgdb) bt full
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
error = 0
#1 0xc0197d4b in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:316
howto = 256
#2 0xc0198189 in panic (fmt=0xc02ec46c "%s") at
/usr/src/sys/kern/kern_shutdown.c:595
fmt = 0xc02ec46c "%s"
bootopt = 256
buf = "page fault", '\000' <repeats 245 times>
#3 0xc02a1203 in trap_fatal (frame=0xef9fbc48, eva=538976288) at
/usr/src/sys/i386/i386/trap.c:974
frame = (struct trapframe *) 0xef9fbc48
code = 16
type = 12
ss = 16
esp = 0
softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, ssd_dpl =
0, ssd_p = 1, ssd_xx = 14, ssd_xx1 = 0,
ssd_def32 = 1, ssd_gran = 1}
#4 0xc02a0eb1 in trap_pfault (frame=0xef9fbc48, usermode=0, eva=538976288) at
/usr/src/sys/i386/i386/trap.c:867
va = 538976256
vm = (struct vmspace *) 0x0
map = 0xebdf3480
rv = 0
ftype = 1 '\001'
p = (struct proc *) 0xef940f20
#5 0xc02a0a2b in trap (frame={tf_fs = -274792432, tf_es = -947388400, tf_ds =
-274792432, tf_edi = -1070540928,
tf_esi = -1070485596, tf_ebp = -274744156, tf_isp = -274744204, tf_ebx =
-1070540928, tf_edx = 9, tf_ecx = 9,
tf_eax = 538976288, tf_trapno = 12, tf_err = 0, tf_eip = -1072089805,
tf_cs = 8, tf_eflags = 66050, tf_esp = 0,
tf_ss = -874502912}) at /usr/src/sys/i386/i386/trap.c:466
p = (struct proc *) 0xef940f20
sticks = 3553920824
i = 0
ucode = 0
type = 12
code = 0
eva = 538976288
#6 0xc0193533 in malloc (size=324, type=0xc030d780, flags=9) at
/usr/src/sys/kern/kern_malloc.c:243
type = (struct malloc_type *) 0xc030d780
kbp = (struct kmembuckets *) 0xc031afa4
kup = (struct kmemusage *) 0x0
freep = (struct freelist *) 0x0
indx = 9
npg = 0
allocsize = -1070540928
s = 0
va = 0x20202020 <Address 0x20202020 out of bounds>
cp = 0x0
savedlist = 0x0
ksp = (struct malloc_type *) 0xffffffff
#7 0xc0262dee in ufsdirhash_build (ip=0xcbe02500) at
/usr/src/sys/ufs/ufs/ufs_dirhash.c:169
dh = (struct dirhash *) 0xcbe02500
bp = (struct buf *) 0x0
ep = (struct direct *) 0x700
vp = (struct vnode *) 0xeefdd380
bmask = 16777280
pos = -874502912
dirblocks = 28
i = 0
j = 0
memreqd = 7562
nblocks = 42
narrays = 7
nslots = 1792
slot = 0
#8 0xc025d9f6 in ufs_lookup (ap=0xef9fbdac) at
/usr/src/sys/ufs/ufs/ufs_lookup.c:196
vdp = (struct vnode *) 0xeefdd380
dp = (struct inode *) 0xcbe02500
bp = (struct buf *) 0x0
ep = (struct direct *) 0x0
entryoffsetinblock = -275509472
slotstatus = FOUND
slotoffset = -1
slotsize = 0
slotfreespace = 0
slotneeded = 0
numdirpasses = -274743976
endsearch = 0
prevoff = -1071890945
pdp = (struct vnode *) 0x1000040
tdp = (struct vnode *) 0x1ad2
enduseful = -874473472
bmask = 16383
lockparent = 0
wantparent = 0
namlen = 0
error = 0
vpp = (struct vnode **) 0xef9fbe94
cnp = (struct componentname *) 0xef9fbea8
cred = (struct ucred *) 0xc8fc9d00
flags = 49348
nameiop = 0
p = (struct proc *) 0xef940f20
#9 0xc0262c0d in ufs_vnoperate (ap=0xef9fbdac) at
/usr/src/sys/ufs/ufs/ufs_vnops.c:2376
ap = (struct vop_generic_args *) 0x0
#10 0xc01c1fda in vfs_cache_lookup (ap=0xef9fbe04) at vnode_if.h:77
rc = 0
a = {a_desc = 0xc02f3cc0, a_dvp = 0xeefdd380, a_vpp = 0xef9fbe94, a_cnp
= 0xef9fbea8}
dvp = (struct vnode *) 0xeefdd380
vpp = (struct vnode **) 0xef9fbe94
cnp = (struct componentname *) 0xef9fbea8
ap = (struct vop_lookup_args *) 0x0
dvp = (struct vnode *) 0xeefdd380
vp = (struct vnode *) 0xef9fbdc0
lockparent = 0
error = 0
vpp = (struct vnode **) 0xef9fbe94
cnp = (struct componentname *) 0xef9fbea8
cred = (struct ucred *) 0x0
flags = 49348
p = (struct proc *) 0xef940f20
vpid = 4009594880
#11 0xc0262c0d in ufs_vnoperate (ap=0xef9fbe04) at
/usr/src/sys/ufs/ufs/ufs_vnops.c:2376
ap = (struct vop_generic_args *) 0x0
#12 0xc01c4f45 in lookup (ndp=0xef9fbe80) at vnode_if.h:52
a = {a_desc = 0xc02f3c80, a_dvp = 0xeefdd380, a_vpp = 0xef9fbe94, a_cnp
= 0xef9fbea8}
dvp = (struct vnode *) 0xeefdd380
cnp = (struct componentname *) 0xef9fbea8
cp = 0xebc0f42e ""
dp = (struct vnode *) 0xeefdd380
tdp = (struct vnode *) 0xebc76dc0
mp = (struct mount *) 0xebc0f42e
docache = 32
wantparent = 0
rdonly = 0
trailing_slash = 0
error = 0
dpunlocked = 0
cnp = (struct componentname *) 0xef9fbea8
p = (struct proc *) 0xef940f20
#13 0xc01c4a40 in namei (ndp=0xef9fbe80) at /usr/src/sys/kern/vfs_lookup.c:153
fdp = (struct filedesc *) 0xebc0f400
cp = 0xebc0f400 "/usr/local/sw/clients/i386_fbsd4/man/man1/i386"
dp = (struct vnode *) 0xe986fe00
aiov = {iov_base = 0xebc0f40d "/clients/i386_fbsd4/man/man1/i386",
iov_len = 1011}
auio = {uio_iov = 0xef9fbe30, uio_iovcnt = 1, uio_offset = 13,
uio_resid = 1011, uio_segflg = UIO_SYSSPACE,
uio_rw = UIO_READ, uio_procp = 0x0}
error = -377029120
linklen = -377029120
cnp = (struct componentname *) 0xef9fbea8
p = (struct proc *) 0xef940f20
#14 0xc01ca779 in stat (p=0xef940f20, uap=0xef9fbf80) at
/usr/src/sys/kern/vfs_syscalls.c:1794
p = (struct proc *) 0xef940f20
uap = (struct stat_args *) 0xef9fbf80
sb = {st_dev = 3420456960, st_ino = 3420457020, st_mode = 3872,
st_nlink = 61332, st_uid = 512, st_gid = 4009605632,
st_rdev = 1, st_atimespec = {tv_sec = 134713344, tv_nsec = 4096},
st_mtimespec = {tv_sec = -897953088,
tv_nsec = -1070644224}, st_ctimespec = {tv_sec = -285361664, tv_nsec = 0},
st_size = -1180014721226240224,
st_blocks = -1180014398828183552, st_blksize = 3222849527, st_flags =
3397014208, st_gen = 4019457824,
st_lspare = -275509472, st_qspare = {-1180014020871061503, 12610158464}}
error = -275509472
nd = {ni_dirp = 0xbfbff070 "/client/man/man1/i386", ni_segflg =
UIO_USERSPACE, ni_startdir = 0x0,
ni_rootdir = 0xe986fe00, ni_topdir = 0x0, ni_vp = 0x0, ni_dvp = 0xeefdd380,
ni_pathlen = 1, ni_next = 0xebc0f42e "",
ni_loopcnt = 2, ni_cnd = {cn_nameiop = 0, cn_flags = 49348, cn_proc =
0xef940f20, cn_cred = 0xc8fc9d00,
cn_pnbuf = 0xebc0f400 "/usr/local/sw/clients/i386_fbsd4/man/man1/i386",
cn_nameptr = 0xebc0f42a "i386", cn_namelen = 4,
cn_consume = 0}}
#15 0xc02a14b9 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi =
-1077937568, tf_esi = 134533803,
tf_ebp = -1077940160, tf_isp = -274743340, tf_ebx = -1077940112, tf_edx =
21, tf_ecx = -1077940264, tf_eax = 188,
tf_trapno = 12, tf_err = 2, tf_eip = 671817224, tf_cs = 31, tf_eflags =
659, tf_esp = -1077940284, tf_ss = 47})
at /usr/src/sys/i386/i386/trap.c:1175
params = 0xbfbfefc8 "pП©©ЮО©©OA\005(╥P\b(\205П©©"
i = 0
callp = (struct sysent *) 0xc02fd160
p = (struct proc *) 0xef940f20
orig_tf_eflags = 659
sticks = 0
error = 0
narg = 2
args = {-1077940112, -1077940256, 0, 0, 0, 0, 0, 0}
have_mplock = 1
code = 188
#16 0xc0292115 in Xint0x80_syscall ()
No symbol table info available.
#17 0x804b2f1 in ?? ()
No symbol table info available.
#18 0x804b996 in ?? ()
No symbol table info available.
#19 0x80493f1 in ?? ()
No symbol table info available.
#20 0x80491ca in ?? ()
No symbol table info available.
machine i386
#cpu I386_CPU
#cpu I486_CPU
cpu I586_CPU
cpu I686_CPU
ident OFFICE
maxusers 0
makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
options DDB
options DDB_UNATTENDED
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 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 SHMALL=16384
options SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
options SHMMAXPGS=8192
options SHMMIN=128
options SHMMNI=128
options SHMSEG=96
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
# 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 ch # Tape changer
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 mly # Mylex AcceleRAID/eXtremeRAID
# RAID controllers
#device aac # Adaptec FSA RAID, Dell PERC2/PERC3
#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 0x0
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
# 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 em
# 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 wx # Intel Gigabit Ethernet Card (``Wiseman'')
#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 512 # 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)
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device bpf #Berkeley packet filter
-Kirill
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