Unfortunately this is the third time I report this. This panic
occurs every 2 to 6 days. So far I've never managed to go over a
week's uptime. Between crashes I've periodically updated to the latest
RELENG_6. Here's the full backtrace:
-- cut here --
(kgdb) bt fu
#0 doadump () at pcpu.h:165
No locals.
#1 0xc0582b84 in boot (howto=260) at ../../../kern/kern_shutdown.c:409
first_buf_printf = 1
#2 0xc0583117 in panic (
fmt=0xc0751ab1 "vm_page_unwire: invalid wire count: %d")
at ../../../kern/kern_shutdown.c:565
bootopt = 260
newpanic = 0
buf = "vm_page_unwire: invalid wire count: 0", '\0' <repeats 218 times>
#3 0xc06c4c00 in vm_page_unwire (m=0xc2669220, activate=0)
at ../../../vm/vm_page.c:1197
No locals.
#4 0xc05d4d75 in vfs_vmio_release (bp=0xda610da8)
at ../../../kern/vfs_bio.c:1470
i = 3
m = 0xc2669220
#5 0xc05d8509 in getnewbuf (slpflag=0, slptimeo=0, size=16384, maxsize=16384)
at ../../../kern/vfs_bio.c:1779
addr = 3663760120
bp = (struct buf *) 0xda610da8
nbp = (struct buf *) 0xda497348
defrag = 0
nqindex = 1
flushingbufs = 0
#6 0xc05d890e in getblk (vp=0xca945220, blkno=9273, size=16384, slpflag=0,
slptimeo=0, flags=0) at ../../../kern/vfs_bio.c:2486
bsize = 16384
maxsize = 0
vmio = 1
offset = 151928832
bp = (struct buf *) 0x4000
bo = (struct bufobj *) 0xca9452e0
#7 0xc067faf6 in ffs_balloc_ufs2 (vp=0xca945220,
startoffset=Unhandled dwarf expression opcode 0x93
)
at ../../../ufs/ffs/ffs_balloc.c:817
ip = (struct inode *) 0xca8eb8c4
dp = (struct ufs2_dinode *) 0xca21fd00
lbn = 9273
lastlbn = 11187
fs = (struct fs *) 0xc8622000
bp = (struct buf *) 0xda608af8
nbp = (struct buf *) 0xc05dea5f
ump = (struct ufsmount *) 0xc8396a00
indirs = {{in_lbn = -2061, in_off = 1, in_exists = 0}, {
in_lbn = -2061, in_off = 3, in_exists = 0}, {in_lbn = -8204,
in_off = 1069, in_exists = 0}, {in_lbn = 8589934591, in_off = 0,
in_exists = 0}, {in_lbn = -1828101238395240448, in_off = -1067988038,
in_exists = -969433728}}
nb = Unhandled dwarf expression opcode 0x93
(kgdb)
-- and here --
My kernel looks like this:
-- cut here --
machine i386
cpu I686_CPU
ident ANONYMOUS
maxusers 0
options HZ=100
options INCLUDE_CONFIG_FILE
makeoptions DEBUG=-g
options SCHED_4BSD
options COMPAT_FREEBSD5
options KTRACE
options _KPOSIX_PRIORITY_SCHEDULING
options PREEMPTION
options ADAPTIVE_GIANT
options DDB
options KDB
options KDB_UNATTENDED
options BLKDEV_IOSIZE=8192
options DFLDSIZ="(128UL*1024*1024)"
options MAXDSIZ="(1024UL*1024*1024)"
options MAXSSIZ="(384UL*1024*1024)"
options SYSVSHM
options SHMMAXPGS=4096
options SHMMAX="(SHMMAXPGS*PAGE_SIZE)+1"
options SHMALL="(SHMMAXPGS*PAGE_SIZE)+1"
options SYSVMSG
options SYSVSEM
options HWPMC_HOOKS
options INET
options INET6
options IPSTEALTH
options TCP_DROP_SYNFIN
options ZERO_COPY_SOCKETS
options ACCEPT_FILTER_DATA
options ACCEPT_FILTER_HTTP
options FFS
options SOFTUPDATES
options UFS_DIRHASH
options CD9660
options PSEUDOFS
options PROCFS
options FDESCFS
options NULLFS
options MD_ROOT
options MAC
options MAC_PARTITION
options MAC_SEEOTHERUIDS
device npx
device apic
device acpi
device pmtimer
device atkbdc
device atkbd
device psm
device vga
device sc
device sio
device speaker
device fdc
device hwpmc
device isa
device pci
device ata
device atadisk
device atapicd
options ATA_STATIC_ID
device scbus
device da
device pass
device atapicam
device cd
device miibus
device fxp
device em
device usb
device uhci
device ohci
device ehci
device uhid
device ukbd
device ums
device umass
device ulpt
device ucom
device uplcom
device md
device loop
device mem
device io
device random
device ether
device vlan
device gif
device gre
device tun
device tap
device disc
device bpf
device pf
device pflog
device pty
device snp
-- and here --
VFS is tuned to
vfs.read_max=16
vfs.ufs.dirhash_mem=1048576
vfs.ufs.dirhash_maxmem=67108864
What else can I do to help narrow down the origin of these crashes ?
--
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.
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