FreeBSD 6.1-STABLE #0: Mon May 8 08:07:42 EEST 2006
-- cut here --
#0 doadump () at pcpu.h:165
No locals.
#1 0xc05790a4 in boot (howto=260) at ../../../kern/kern_shutdown.c:402
first_buf_printf = 1
#2 0xc05796b9 in panic (fmt=0xc072598e "%s") at
../../../kern/kern_shutdown.c:558
bootopt = 260
newpanic = 0
buf = "page fault", '\0' <repeats 245 times>
#3 0xc06fe7da in trap_fatal (frame=0xe6a146fc, eva=28) at
../../../i386/i386/trap.c:836
code = 40
type = 12
ss = 40
esp = 0
softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27,
ssd_dpl = 0, ssd_p = 1, ssd_xx = 0, ssd_xx1 = 0,
ssd_def32 = 1, ssd_gran = 1}
msg = 0x0
#4 0xc06fea6a in trap_pfault (frame=0xe6a146fc, usermode=0, eva=28)
at ../../../i386/i386/trap.c:744
va = 0
vm = (struct vmspace *) 0x0
map = 0xc078e820
rv = 1
ftype = 1 '\001'
p = (struct proc *) 0x0
#5 0xc06fee9d in trap (frame {tf_fs = -894238712, tf_es = -631767000,
tf_ds = -632618968,
tf_edi = 0, tf_esi = -632586744, tf_ebp = -425638048, tf_isp
= -425638104, tf_ebx = 120, tf_edx = -968598912, tf_ecx = 71721784,
tf_eax = 4, tf_trapno = 12, tf_err = 2, tf_eip = -1067665410
, tf_cs = 32, tf_eflags = 66050, tf_esp = -894216688, tf_ss -425638048}) at
../../../i386/i386/trap.c:434
p = (struct proc *) 0xc7a8ac48
sticks = 1
i = 0
ucode = 0
type = 12
code = 2
eva = 28
#6 0xc06ecf2a in calltrap () at ../../../i386/i386/exception.s:139
No locals.
#7 0xc05cb7fe in vfs_setdirty (bp=0xda4b7e08) at atomic.h:146
i = 120
object = 0x0
#8 0xc05d019b in bdwrite (bp=0xda4b7e08) at ../../../kern/vfs_bio.c:955
vp = (struct vnode *) 0xcab35550
nbp = (struct buf *) 0x78
bo = (struct bufobj *) 0xcab35610
#9 0xc0691a0c in ffs_write (ap=0xe6a1495c) at ../../../ufs/ffs/ffs_vnops.c:722
vp = (struct vnode *) 0xcab35550
uio = (struct uio *) 0xe6a1497c
ip = (struct inode *) 0xcad3dbdc
fs = (struct fs *) 0xc7b86000
bp = (struct buf *) 0xda4b7e08
td = (struct thread *) 0x0
lbn = 120
osize = 7402056
seqcount = 127
blkoffset = 0
error = 0
flags = 2130771968
ioflag = 8323104
resid = 20480
size = 4
xfersize = 4096
#10 0xc07099c9 in VOP_WRITE_APV (vop=0xc0776f60, a=0xe6a1495c) at vnode_if.c:698
rc = -1065914528
va = {va_type = 582, va_mode = 48536, va_nlink = -15867,
va_uid = 3869329612, va_gid = 3228278790,
va_fsid = 3255156120, va_fileid = -425637708, va_size 13864983694757939440,
va_blocksize = -457615776, va_atime = {
tv_sec = -1039811176, tv_nsec = -1040198032}, va_mtime = {tv_sec
-1050462640, tv_nsec = -968598912}, va_ctime = {
tv_sec = 49353, tv_nsec = 0}, va_birthtime = {tv_sec -1056643520, tv_nsec =
0}, va_gen = 3400750416, va_flags = 16,
va_rdev = 16, va_bytes = 13865489573185931644, va_filerev
14606111821807447904, va_vaflags = 3400750416, va_spare = 9}
osize = 0
ooffset = 0
noffset = -968598912
#11 0xc06c1d4d in vnode_pager_generic_putpages (vp=0xcab35550,
m=0xe6a14a90, bytecount=4, flags=8, rtvals=0xe6a14a40)
at vnode_if.h:372
i = 4
object = 0xcd781ce4
count = 5
maxsize = 20480
ncount = 5
poffset = 1949696
auio = {uio_iov = 0xe6a14954, uio_iovcnt = 1, uio_offset 1970176,
uio_resid = 0, uio_segflg = UIO_NOCOPY,
uio_rw = UIO_WRITE, uio_td = 0x0}
aiov = {iov_base = 0x5000, iov_len = 0}
ioflags = 71721784
ppscheck = 0
lastfail = {tv_sec = 0, tv_usec = 0}
curfail = 0
#12 0xc05d58fa in vop_stdputpages (ap=0xc6445a80) at
../../../kern/vfs_default.c:486
No locals.
#13 0xc0709348 in VOP_PUTPAGES_APV (vop=0x4, a=0x4466338) at vnode_if.c:2164
rc = 4
#14 0xc06c1b97 in vnode_pager_putpages (object=0xcd781ce4, m=0x4,
count=20480, sync=8, rtvals=0x4) at vnode_if.h:1119
vp = (struct vnode *) 0xcab35550
#15 0xc06bb67b in vm_pageout_flush (mc=0xe6a14a90, count=5, flags=8)
at vm_pager.h:147
object = 0xcd781ce4
pageout_status = {5, 5}
numpagedout = 0
i = 4
#16 0xc06b5d0c in vm_object_page_collect_flush (object=0xcd781ce4,
p=0xc30d9e30, curgeneration=0, pagerflags=8)
at ../../../vm/vm_object.c:950
tp = 0x5
runlen = 5
maxf = 4
chkb = 12
maxb = 0
i = 0
pi = 476
maf = {0xc11bd778, 0xc119b2c0}
mab = {0x0, 0xe6a14b2c}
ma = {0xc30d9e30, 0xc11bd778}
#17 0xc06b60d9 in vm_object_page_clean (object=0xcd781ce4, start=0,
end=Unhandled dwarf expression opcode 0x93
) at ../../../vm/vm_object.c:834
n = 4
p = 0xc30d9e30
np = 0xc11bd778
tend = 1808
pi = Unhandled dwarf expression opcode 0x93
(kgdb)
--
If it's there, and you can see it, it's real.
If it's not there, and you can see it, it's virtual.
If it's there, and you can't see it, it's transparent.
If it's not there, and you can't see it, you erased it.