core：PTHDB_INTERNAL (internal error)一般是什么原因导致的？

celavi

Type 'help' for help.
[using memory image in core]
reading symbolic information ...warning: "luasess" has changed since core creation
warning: "/usr/lib/sna/libsnau.o" has changed since core creation
warning: "/usr/lib/sna/liblua.o" has changed since core creation
warning: "/usr/lib/libpthreads.a(shr_xpg5.o)" has changed since core creation
warning: "/usr/lib/libpthreads.a(shr_comm.o)" has changed since core creation
warning: "/usr/lib/libc.a(shr.o)" has changed since core creation

pthdb_session.c, 833: 0 PTHDB_INTERNAL (internal error)
pthreaded.c, 1947: PTHDB_INTERNAL (internal error)

Trace/BPT trap in vlv_data_callback at 0xd677ba14
[untrusted: /usr/lib/sna/liblua.o]
0xd677ba14 (vlv_data_callback+0x9 80640014        lwz   r3,0x14(r4)
(dbx) where
pthdb_session.c, 833: 0 PTHDB_INTERNAL (internal error)
pthreaded.c, 1947: PTHDB_INTERNAL (internal error)
vlv_data_callback(0x1000000, 0xf025cf90) at 0xd677ba14 [untrusted: /usr/lib/sna/liblua.o]
vpm_rcv_ips() at 0xd02db838 [untrusted: /usr/lib/sna/libsnau.o]
vpm_rcv_from_stream() at 0xd02dba74 [untrusted: /usr/lib/sna/libsnau.o]
vpm_io_handler_proc(0x0, 0xf025bba4, 0xf025bba4) at 0xd02dc6a8 [untrusted: /usr/lib/sna/libsnau.o]


半年内程序core dump两次，以上是用dbx programname core分析出的结果：

pthdb_session.c, 833: 0 PTHDB_INTERNAL (internal error)
pthreaded.c, 1947: PTHDB_INTERNAL (internal error)

这个能看出来是什么原因导致的吗？

celavi

(dbx) registers
  $r0:0xd677b9fc  $stkp:0x2fef01c0   $toc:0xf1cf7098    $r3:0x00000000
  $r4:0xf1cf68d8    $r5:0x00000000    $r6:0x00000048    $r7:0x00000000
  $r8:0x103f30e7    $r9:0x103f30e7   $r10:0xf02f875c   $r11:0x00000000
$r12:0xd02d4f10   $r13:0xdeadbeef   $r14:0x00000009   $r15:0x2ff22a38
$r16:0x2ff22a60   $r17:0x00000000   $r18:0xdeadbeef   $r19:0xdeadbeef
$r20:0x00000000   $r21:0x003de0cc   $r22:0x0000002a   $r23:0x00000320
$r24:0x00000320   $r25:0x00000c1d   $r26:0x2000432c   $r27:0x2000b350
$r28:0x00000000   $r29:0x00000000   $r30:0xf025cf90   $r31:0xd677d550
$iar:0xd677ba14   $msr:0x0000d0b2    $cr:0x22244244  $link:0xd677b9fc
$ctr:0xd0136500   $xer:0x20000000    $mq:0xffffffff
          Condition status = 0:e 1:e 2:e 3:g 4:g 5:e 6:g 7:g
        [unset $noflregs to view floating point registers]
        [unset $novregs to view vector registers]
in vlv_data_callback at 0xd677ba14
0xd677ba14 (vlv_data_callback+0x9 80640014        lwz   r3,0x14(r4)

汇编指令是：lwz   r3,0x14(r4)，怎么进一步分析呢？

[ 本帖最后由 celavi 于 2008-6-30 13:57 编辑 ]