WT-5  0x0000000803718daa in __wt_assert (session=Could not find the frame base for "__wt_assert".
) at ../src/support/err.c:408
WT-6  0x000000080371f261 in __wt_txn_release_snapshot (session=0x805c1e630)
    at ../src/txn/txn.c:68
WT-7  0x000000080369456f in __wt_txn_read_last (session=0x805c1e630) at txn.i:257
WT-8  0x0000000803694471 in __cursor_leave (cbt=0x805ce2400) at cursor.i:67
WT-9  0x0000000803696757 in __wt_btcur_close (cbt=0x805ce2400)
    at ../src/btree/bt_cursor.c:739
WT-10 0x00000008036dcd82 in __curfile_close (cursor=0x805ce2400)
    at ../src/cursor/cur_file.c:298
WT-11 0x00000008036f9d15 in __wt_metadata_search (session=0x805c1e630, 
    key=0x805cad0fc "file:test_stat01.wt", valuep=0x7fffffffb7c0)
    at ../src/meta/meta_table.c:177
WT-12 0x00000008036f847c in __ckpt_set (session=0x805c1e630, 
    fname=0x805cad0fc "file:test_stat01.wt", v=0x0)
    at ../src/meta/meta_ckpt.c:114
WT-13 0x00000008036f8412 in __wt_meta_checkpoint_clear (session=0x805c1e630, 
    fname=0x805cad0fc "file:test_stat01.wt") at ../src/meta/meta_ckpt.c:96
WT-14 0x0000000803712c0f in __truncate_file (session=0x805c1e630, 
    name=0x805cad0fc "file:test_stat01.wt")
    at ../src/schema/schema_truncate.c:31
WT-15 0x0000000803712f1a in __wt_schema_truncate (session=0x805c1e630, 
    uri=0x805cad0fc "file:test_stat01.wt", cfg=0x7fffffffb910)
    at ../src/schema/schema_truncate.c:106
WT-16 0x00000008037158c4 in __session_truncate (wt_session=0x805c1e630, 
    uri=0x805cad0fc "file:test_stat01.wt", start=0x0, stop=0x0, config=0x0)
    at ../src/session/session_api.c:552

(gdb) frame 6 
WT-6  0x000000080371f261 in __wt_txn_release_snapshot (session=0x805c1e630)
    at ../src/txn/txn.c:68
68		WT_ASSERT(session, txn_state->snap_min == WT_TXN_NONE ||
(gdb) p *txn_state
$1 = {id = 4, snap_min = 3}
(gdb) p __wt_txn_visible_all(session, txn_state->snap_min)
[Switching to Thread 801407400 (LWP 236170/python)]
$2 = 1
(gdb) break __wt_txn_visible_all
Breakpoint 1 at 0x80371f27c: file txn.i, line 132.
(gdb) p __wt_txn_visible_all(session, txn_state->snap_min)

Breakpoint 1, __wt_txn_visible_all (session=0x805c1e630, id=3) at txn.i:132
132		txn_global = &S2C(session)->txn_global;
The program being debugged stopped while in a function called from GDB.
When the function (__wt_txn_visible_all) is done executing, GDB will silently
stop (instead of continuing to evaluate the expression containing
the function call).
(gdb) n
133		oldest_id = txn_global->oldest_id;
(gdb) p txn_global
$3 = (WT_TXN_GLOBAL *) 0x8016c2570
(gdb) p *$3
$4 = {current = 4, oldest_id = 4, scan_count = 0, states = 0x805c12c00}
(gdb) n
134		return (TXNID_LT(id, oldest_id));