ufs related panic.

Hi

During the daily periodic jobs shortly after 3am I got this panic.
I'll keep the kernel and core on hand for a week or two.

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x0
fault code              = supervisor write, page not present
instruction pointer     = 0x20:0xc05d9158
stack pointer           = 0x28:0xc3b4380c
frame pointer           = 0x28:0xc3b43848
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         = 1285 (find)
trap number             = 12
panic: page fault
KDB: stack backtrace:
db_trace_self_wrapper(c070d276,c3b436ac,c0562952,c070b388,c077c2c0,...) at db_tr
ace_self_wrapper+0x26
kdb_backtrace(c070b388,c077c2c0,c06fa6f5,c3b436b8,c3b436b8,...) at kdb_backtrace
+0x29
panic(c06fa6f5,c072441f,c42b9a2c,1,1,...) at panic+0xaa
trap_fatal(c7b0c1c0,0,2,8,c4479890,...) at trap_fatal+0x2f9
trap_pfault(c3b4374c,c05910aa,c42b98c0,c3b4374c,c,...) at trap_pfault+0x240
trap(c3b437cc) at trap+0x393
calltrap() at calltrap+0x6
--- trap 0xc, eip = 0xc05d9158, esp = 0xc3b4380c, ebp = 0xc3b43848 ---
vgonel(c76c753c,c3b4387c,2,0,50,...) at vgonel+0x271
vnlru_free(0,0,0,0,0,...) at vnlru_free+0x2bb
getnewvnode(c070767d,c3f2978c,c0752700,c3b43908,c3b4399c,...) at getnewvnode+0x6
8
ffs_vget(c3f2978c,91443d,80000,c3b4399c,c3b439ac,...) at ffs_vget+0x104
ufs_lookup(c3b439e4,c3b43a04,c05ca463,c0752700,c3b439e4,...) at ufs_lookup+0xa5e
VOP_CACHEDLOOKUP_APV(c0752700,c3b439e4,c3b43bb0,c3b43b9c,c7e82e00,...) at VOP_CA
CHEDLOOKUP_APV+0x44
vfs_cache_lookup(c3b43a64,c3b43a1c,c50a8000,80000,c3b43a84,...) at vfs_cache_loo
kup+0xc6
VOP_LOOKUP_APV(c0752700,c3b43a64,c0711327,1b0,c0547229,...) at VOP_LOOKUP_APV+0x
48
lookup(c3b43b84,c3f2c400,400,c3b43ba4,0,...) at lookup+0x56a
namei(c3b43b84,c3b43b24,60,0,c42b98c0,...) at namei+0x480
kern_statat(c42b98c0,200,ffffff9c,814d408,0,...) at kern_statat+0x5e
kern_lstat(c42b98c0,814d408,0,c3b43c18,c0569524,...) at kern_lstat+0x36
lstat(c42b98c0,c3b43cfc,8,c059320c,c42b98c0,...) at lstat+0x2b
syscall(c3b43d38) at syscall+0x2fe
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (190, FreeBSD ELF32, lstat), eip = 0x2814b853, esp = 0xbfbfeb8c, ebp
 = 0xbfbfec18 ---
Uptime: 5d4h27m35s
Physical memory: 998 MB
Dumping 176 MB: 161 145 129 113 97 81 65 49 33 17 1
(kgdb)  bt
#0  doadump () at pcpu.h:196
#1  0xc0562793 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2  0xc056298e in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:572
#3  0xc06c7ad2 in trap_fatal (frame=0xc3b437cc, eva=0)
    at /usr/src/sys/i386/i386/trap.c:934
#4  0xc06c7d1e in trap_pfault (frame=0xc3b437cc, usermode=0, eva=0)
    at /usr/src/sys/i386/i386/trap.c:847
#5  0xc06c863b in trap (frame=0xc3b437cc) at /usr/src/sys/i386/i386/trap.c:525
#6  0xc06b0b6b in calltrap () at /usr/src/sys/i386/i386/exception.s:165
#7  0xc05d9158 in vgonel (vp=0xc76c753c) at /usr/src/sys/kern/vfs_subr.c:997
#8  0xc05dc17b in vnlru_free (count=1) at /usr/src/sys/kern/vfs_subr.c:878
#9  0xc05dc2b2 in getnewvnode (tag=0xc070767d "ufs", mp=0xc3f2978c, 
    vops=0xc0752700, vpp=0xc3b43908) at /usr/src/sys/kern/vfs_subr.c:900
#10 0xc0657453 in ffs_vget (mp=0xc3f2978c, ino=9520189, flags=524288, 
    vpp=0xc3b4399c) at /usr/src/sys/ufs/ffs/ffs_vfsops.c:1345
#11 0xc0662573 in ufs_lookup (ap=0xc3b439e4)
    at /usr/src/sys/ufs/ufs/ufs_lookup.c:599
#12 0xc06d12d2 in VOP_CACHEDLOOKUP_APV (vop=0xc0752700, a=0xc3b439e4)
    at vnode_if.c:153
#13 0xc05ca463 in vfs_cache_lookup (ap=0xc3b43a64) at vnode_if.h:80
#14 0xc06d2d21 in VOP_LOOKUP_APV (vop=0xc0752c20, a=0xc3b43a64)
    at vnode_if.c:99
#15 0xc05d0386 in lookup (ndp=0xc3b43b84) at vnode_if.h:54
#16 0xc05d10d8 in namei (ndp=0xc3b43b84) at /usr/src/sys/kern/vfs_lookup.c:239
#17 0xc05df5d7 in kern_statat (td=0xc42b98c0, flag=512, fd=-100, 
    path=0x814d408 <Address 0x814d408 out of bounds>, pathseg=UIO_USERSPACE, 
    sbp=0xc3b43c18) at /usr/src/sys/kern/vfs_syscalls.c:2327
#18 0xc05df747 in kern_lstat (td=0xc42b98c0, 
    path=0x814d408 <Address 0x814d408 out of bounds>, pathseg=UIO_USERSPACE, 
    sbp=0xc3b43c18) at /usr/src/sys/kern/vfs_syscalls.c:2376
#19 0xc05df7db in lstat (td=0xc42b98c0, uap=0xc3b43cfc)
    at /usr/src/sys/kern/vfs_syscalls.c:2366
#20 0xc06c803a in syscall (frame=0xc3b43d38)
    at /usr/src/sys/i386/i386/trap.c:1081
#21 0xc06b0bd0 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:261
#22 0x00000033 in ?? ()


--
Ian Freislich