Oct 16 03:33:08 ntucsp kernel: pid 587 (nfsd), uid 0 inumber 1678178 on /export/b2: filesystem full
dev = da0s1e, block = 43588976, fs = /export/b2
panic: ffs_blkfree: freeing free block
cpuid = 3
KDB: stack backtrace:
kdb_backtrace(c06d1214,3,c06c9344,e74105a4,5,...) at kdb_backtrace+0x2f
panic(c06c9344,c4da6578,2991d70,0,c4b848d4,...) at panic+0x129
ffs_blkfree(c4dae900,c4b84800,c4e5f660,2991d70,0,...) at ffs_blkfree+0x3a3
indir_trunc(c5c5c400,a6475a0,0,1,80c,...) at indir_trunc+0x3a4
handle_workitem_freeblocks(c5c5c400,10,2,c071d920,68,...) at handle_workitem_freeblocks+0x214
process_worklist_item(c4edd400,10,c0696535,18cc9af8,0,...) at process_worklist_item+0x231
softdep_request_cleanup(c4b84800,c8ac6aa0,64,0,0,...) at softdep_request_cleanup+0x1b3
ffs_alloc(c8c9f738,157,0,1973f30,0,...) at ffs_alloc+0x423
ffs_balloc_ufs2(c8ac6aa0,55e000,0,2000,c56a4800,...) at ffs_balloc_ufs2+0x14f8
ffs_write(e7410a9c,ffffffff,e741099c,0,0,...) at ffs_write+0x36f
VOP_WRITE_APV(c06f6fe0,e7410a9c,2,0,c4e65300,...) at VOP_WRITE_APV+0xd0
nfsrv_write(c73c5e00,c4e04500,c4e65300,e7410c7c,0,...) at nfsrv_write+0xb9c
nfssvc_nfsd(c4e65300,c4e63648,c4e65300,e7410d38,e7410cd0,...) at nfssvc_nfsd+0x48f
nfssvc(c4e65300,e7410d04,8,c4e65300,bfbff000,...) at nfssvc+0x236
syscall(3b,3b,3b,0,0,...) at syscall+0x34f
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (155, FreeBSD ELF32, nfssvc), eip = 0x280c086f, esp = 0xbfbfeb2c, ebp = 0xbfbfeb48 ---
Uptime: 13d18h22m47s
Dumping 1023 MB (2 chunks)
  chunk 0: 1MB (155 pages) ... ok
  chunk 1: 1023MB (261836 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


(kgdb) bt full
#0  doadump () at pcpu.h:165
No locals.
#1  0xc04e9076 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
        first_buf_printf = 1
#2  0xc04e9455 in panic (fmt=0xc06c9344 "ffs_blkfree: freeing free block")
    at /usr/src/sys/kern/kern_shutdown.c:565
        td = (struct thread *) 0xc4e65300
        bootopt = 260
        newpanic = 1
        ap = 0xc4e65300 "H6�� t��"
        buf = "ffs_blkfree: freeing free block", '\0' <repeats 224 times>
#3  0xc0601bf7 in ffs_blkfree (ump=0xc4dae900, fs=0xc4b84800,
    devvp=0xc4e5f660, bno=43588976, size=16384, inum=1678176)
    at /usr/src/sys/ufs/ffs/ffs_alloc.c:1869
        cgp = (struct cg *) 0xdefe2000
        bp = (struct buf *) 0xd8d57a18
        fragno = 1822
        cgbno = 14576
        cgblkno = Unhandled dwarf expression opcode 0x93

#2  0xc04e9455 in panic (fmt=0xc06c9344 "ffs_blkfree: freeing free block")
    at /usr/src/sys/kern/kern_shutdown.c:565
#3  0xc0601bf7 in ffs_blkfree (ump=0xc4dae900, fs=0xc4b84800,
    devvp=0xc4e5f660, bno=43588976, size=16384, inum=1678176)
    at /usr/src/sys/ufs/ffs/ffs_alloc.c:1869
#4  0xc0614c8d in indir_trunc (freeblks=0xc5c5c400, dbn=174355872, level=1,
    lbn=2060, countp=0xe74106b8) at /usr/src/sys/ufs/ffs/ffs_softdep.c:2885
#5  0xc061457b in handle_workitem_freeblocks (freeblks=0xc5c5c400, flags=16)
    at /usr/src/sys/ufs/ffs/ffs_softdep.c:2735
#6  0xc0610bde in process_worklist_item (mp=0xc4edd400, flags=16)
    at /usr/src/sys/ufs/ffs/ffs_softdep.c:960
#7  0xc061b065 in softdep_request_cleanup (fs=0xc4b84800, vp=0x4)
    at /usr/src/sys/ufs/ffs/ffs_softdep.c:5730
#8  0xc05fd3ef in ffs_alloc (ip=0xc8c9f738, lbn=343, bpref=26689328,
    size=16384, cred=0xc56a4800, bnp=0xe741084c)
    at /usr/src/sys/ufs/ffs/ffs_alloc.c:201
#9  0xc060593e in ffs_balloc_ufs2 (vp=0xc8ac6aa0, startoffset=Unhandled dwarf expression opcode 0x93
)
    at /usr/src/sys/ufs/ffs/ffs_balloc.c:709
#10 0xc0621cb1 in ffs_write (ap=0xe7410a9c)
    at /usr/src/sys/ufs/ffs/ffs_vnops.c:709
#11 0xc0697181 in VOP_WRITE_APV (vop=0xc06f6fe0, a=0xe7410a9c)
    at vnode_if.c:698
#12 0xc05df820 in nfsrv_write (nfsd=0xc73c5e00, slp=0x0, td=0xc4e65300,
    mrq=0xe7410c7c) at vnode_if.h:372
#13 0xc05f1811 in nfssvc_nfsd (td=0x0)
    at /usr/src/sys/nfsserver/nfs_syscalls.c:474
#14 0xc05f0eaa in nfssvc (td=0xc4e65300, uap=0xe7410d04)
    at /usr/src/sys/nfsserver/nfs_syscalls.c:181
#15 0xc068c8b6 in syscall (frame=
      {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = 0, tf_esi = 0, tf_ebp = -1077941432, tf_isp = -415167132, tf_ebx = 0, tf_edx = -1077936144, tf_ecx = 1, tf_eax = 155, tf_trapno = 12, tf_err = 2, tf_eip = 671877231, tf_cs = 51, tf_eflags = 582, tf_esp = -1077941460, tf_ss = 59}) at /usr/src/sys/i386/i386/trap.c:983
#16 0xc06761bf in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:200
#17 0x00000033 in ?? ()