Core was generated by `./mapkeeper_wt'.
Program terminated with signal 11, Segmentation fault.
#0  __wt_cell_type (page=<value optimized out>, rip=<value optimized out>) at ./src/include/cell.i:460
460		switch (WT_CELL_SHORT_TYPE(cell->__chunk[0])) {
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.80.el6.x86_64 keyutils-libs-1.4-4.el6.x86_64 krb5-libs-1.10.3-10.el6_4.3.x86_64 libcom_err-1.41.12-12.el6.x86_64 libgcc-4.4.6-4.el6.x86_64 libselinux-2.0.94-5.3.el6.x86_64 libstdc++-4.4.6-4.el6.x86_64 openssl-1.0.0-20.el6_2.5.x86_64 zlib-1.2.3-27.el6.x86_64
(gdb) bt
#0  __wt_cell_type (page=<value optimized out>, rip=<value optimized out>) at ./src/include/cell.i:460
WT-1  __wt_cell_unpack_safe (page=<value optimized out>, rip=<value optimized out>) at ./src/include/cell.i:528
WT-2  __wt_cell_unpack (page=<value optimized out>, rip=<value optimized out>) at ./src/include/cell.i:654
WT-3  __wt_row_value (page=<value optimized out>, rip=<value optimized out>) at src/btree/row_key.c:409
WT-4  0x00007f3896141658 in __cursor_row_slot_return (cbt=0x7f3878165990, discard=<value optimized out>) at ./src/include/cursor.i:244
WT-5  __cursor_row_next (cbt=0x7f3878165990, discard=<value optimized out>) at src/btree/bt_curnext.c:327
WT-6  __wt_btcur_next (cbt=0x7f3878165990, discard=<value optimized out>) at src/btree/bt_curnext.c:460
WT-7  0x00007f3896181c19 in __curfile_next (cursor=0x7f3878165990) at src/cursor/cur_file.c:87
WT-8  0x00007f389618ddc9 in __clsm_next (cursor=0x7f387815f4e0) at src/lsm/lsm_cursor.c:559
WT-9  0x00007f38961915f6 in __wt_lsm_merge (session=0x655770, lsm_tree=0x7f3888003660, id=9414027, stalls=24)
    at src/lsm/lsm_merge.c:238
WT-10 0x00007f389619599b in __wt_lsm_merge_worker (vargs=<value optimized out>) at src/lsm/lsm_worker.c:87
WT-11 0x0000003865a07851 in start_thread () from /lib64/libpthread.so.0
WT-12 0x00000038652e767d in clone () from /lib64/libc.so.6
(gdb)