(gdb) catch throw
Catchpoint 1 (throw)
(gdb) i break
Num     Type           Disp Enb Address            What
1       breakpoint     keep y   0x00000000006da970 exception throw
(gdb) r
Starting program: /local/bin/bitcoind
[New LWP 5522]
[New LWP 5523]
[New LWP 5524]
[New LWP 5525]
[New LWP 5526]
[New LWP 5527]
[LWP 5523 exited]
[New LWP 5557]
[LWP 5557 exited]
[Switching to LWP 5524]

Thread 4 "bitcoind" hit Catchpoint 1 (exception thrown), 0x00000000006da970 in __cxa_throw ()
(gdb) bt
#0  0x00000000006da970 in __cxa_throw ()
#1  0x00000000004f42fc in DbEnv::runtime_error(DbEnv*, char const*, int, int)
    ()
#2  0x00000000004f2d55 in Db::get(DbTxn*, Dbt*, Dbt*, unsigned int) ()
#3  0x000000000046f299 in CDB::Read<std::pair<std::string, uint256>, CTxIndex>
    (this=this@entry=0x7fff7ffb0ae0, key=..., value=...) at ../src/db.h:69
#4  0x0000000000461bc4 in CTxDB::ReadTxIndex (this=this@entry=0x7fff7ffb0ae0,
    hash=..., txindex=...) at ../src/db.cpp:334
#5  0x000000000047e233 in CTransaction::ConnectInputs (
    this=this@entry=0x170e94c0, txdb=..., mapTestPool=..., posThisTx=...,
    pindexBlock=pindexBlock@entry=0xd2a5a80, nFees=@0x7fff7ffb03a8: 17379687,
    fBlock=fBlock@entry=true, fMiner=fMiner@entry=false,
    nMinFee=nMinFee@entry=0, fInvalid=@0x7fff7ffb038e: false)
    at ../src/main.cpp:828
#6  0x000000000047f403 in CBlock::ConnectBlock (
    this=this@entry=0x7fff7ffb0890, txdb=..., pindex=pindex@entry=0xd2a5a80)
    at ../src/main.cpp:1030
#7  0x000000000048496e in Reorganize (pindexNew=0xe15c260, txdb=...)
    at ../src/main.cpp:1118
#8  CBlock::SetBestChain (this=this@entry=0x7fff7ffb0e50, txdb=...,
    pindexNew=pindexNew@entry=0xe15c260) at ../src/main.cpp:1197
#9  0x00000000004851d1 in CBlock::AddToBlockIndex (
    this=this@entry=0x7fff7ffb0e50, nFile=<optimized out>,
    nBlockPos=<optimized out>) at ../src/main.cpp:1254
#10 0x0000000000485ff2 in CBlock::AcceptBlock (this=this@entry=0x7fff7ffb0e50)
    at ../src/main.cpp:1352
#11 0x0000000000486481 in ProcessBlock (pfrom=pfrom@entry=0x0,
    pblock=pblock@entry=0x7fff7ffb0e50) at ../src/main.cpp:1427
#12 0x0000000000416a30 in eatblock (params=..., fHelp=<optimized out>)
    at ../src/bitcoinrpc.cpp:1828
#13 0x00000000004310d7 in ThreadRPCServer2 (parg=parg@entry=0x0)
    at ../src/bitcoinrpc.cpp:2445
#14 0x00000000004324b2 in ThreadRPCServer (parg=0x0)
    at ../src/bitcoinrpc.cpp:2294
#15 0x000000000073b4c2 in start (p=<optimized out>)
    at src/thread/pthread_create.c:144
#16 0x000000000073c790 in __clone () at src/thread/x86_64/clone.s:22
Backtrace stopped: frame did not save the PC
(gdb) up
#1  0x00000000004f42fc in DbEnv::runtime_error(DbEnv*, char const*, int, int) ()
(gdb) i frame
Stack level 1, frame at 0x7fff7ffafe90:
 rip = 0x4f42fc in DbEnv::runtime_error(DbEnv*, char const*, int, int); saved rip = 0x4f2d55
 called by frame at 0x7fff7ffafee0, caller of frame at 0x7fff7ffafe30
 Arglist at 0x7fff7ffafe28, args:
 Locals at 0x7fff7ffafe28, Previous frame's sp is 0x7fff7ffafe90
 Saved registers:
  rbx at 0x7fff7ffafe78, rbp at 0x7fff7ffafe80, rip at 0x7fff7ffafe88
(gdb) up
#2  0x00000000004f2d55 in Db::get(DbTxn*, Dbt*, Dbt*, unsigned int) ()
(gdb) up
#3  0x000000000046f299 in CDB::Read<std::pair<std::string, uint256>, CTxIndex> (this=this@entry=0x7fff7ffb0ae0, key=..., value=...) at ../src/db.h:69
69              int ret = pdb->get(GetTxn(), &datKey, &datValue, 0);
(gdb) p key
$1 = (const std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, uint256> &) @0x7fff7ffb0000: {first = {
    static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
      _M_p = 0x17425ed8 "tx"}}, second = {<base_uint<256u>> = {pn = {1305763136, 4018370749, 3706143661, 588456501, 739993231, 2345874868, 1336906385,
        1810893556}}, <No data fields>}}
(gdb) p value
$2 = (CTxIndex &) @0x7fff7ffb0290: {pos = {nFile = 4294967295, nBlockPos = 0, nTxPos = 0},
  vSpent = {<std::_Vector_base<CDiskTxPos, std::allocator<CDiskTxPos> >> = {
      _M_impl = {<std::allocator<CDiskTxPos>> = {<__gnu_cxx::new_allocator<CDiskTxPos>> = {<No data fields>}, <No data fields>}, _M_start = 0x0,
        _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}}
(gdb) up
#4  0x0000000000461bc4 in CTxDB::ReadTxIndex (this=this@entry=0x7fff7ffb0ae0, hash=..., txindex=...) at ../src/db.cpp:334
334         return Read(make_pair(string("tx"), hash), txindex);
(gdb) p hash
$3 = {<base_uint<256u>> = {pn = {1305763136, 4018370749, 3706143661, 588456501, 739993231, 2345874868, 1336906385, 1810893556}}, <No data fields>}
(gdb) down
#3  0x000000000046f299 in CDB::Read<std::pair<std::string, uint256>, CTxIndex> (this=this@entry=0x7fff7ffb0ae0, key=..., value=...) at ../src/db.h:69
69              int ret = pdb->get(GetTxn(), &datKey, &datValue, 0);
(gdb) p datKey
$4 = {<__db_dbt> = {data = 0x17426140, size = 35, ulen = 0, dlen = 0, doff = 0, app_data = 0x0, flags = 0}, <No data fields>}
(gdb) p datKey.data
$5 = (void *) 0x17426140
(gdb) p (char*)datKey.data
$6 = 0x17426140 "\002tx@]\324M\275x\203\357\255C\347\334\065\"\023#\217f\033,\264\065\323\213\221\222\257O\364\n\360k"
(gdb)