*** Segmentation fault

...

??:0(??)[0x8]

/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-ppc/build_posix/../src/btree/bt_ret.c:62(__key_return)[0x10105000]

/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-ppc/build_posix/../src/btree/bt_ret.c:255(__wt_key_return)[0x10105758]

/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-ppc/build_posix/../src/btree/bt_cursor.c:1018(__wt_btcur_remove)[0x101ca728]

/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-ppc/build_posix/../src/cursor/cur_file.c:359(__curfile_remove)[0x101581ac]

/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-ppc/build_posix/test/format/../../../test/format/ops.c:1698(row_remove)[0x1000f730]

/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-ppc/build_posix/test/format/../../../test/format/ops.c:807(ops)[0x1000c6a8]

############################################

#  RUN PARAMETERS

############################################

abort=0

alter=0

auto_throttle=1

backups=0

bitcnt=3

bloom=1

bloom_bit_count=18

bloom_hash_count=8

bloom_oldest=1

cache=54

cache_minimum=20

checkpoints=off

checkpoint_log_size=104

checkpoint_wait=89

checksum=on

chunk_size=3

compaction=0

compression=none

data_extend=0

data_source=file

delete_pct=90

dictionary=1

direct_io=0

encryption=none

evict_max=5

file_type=row-store

firstfit=0

huffman_key=0

huffman_value=0

independent_thread_rng=1

in_memory=1

insert_pct=0

internal_key_truncation=1

internal_page_max=15

isolation=random

key_gap=6

key_max=32

key_min=15

leaf_page_max=11

leak_memory=0

logging=0

logging_archive=0

logging_compression=lz4

logging_file_max=40533

logging_prealloc=0

long_running_txn=0

lsm_worker_threads=3

merge_max=20

mmap=1

modify_pct=4

ops=100000

prefix_compression=1

prefix_compression_min=3

quiet=1

read_pct=6

rebalance=0

repeat_data_pct=31

reverse=0

rows=100000

runs=100

salvage=0

split_pct=91

statistics=0

statistics_server=0

threads=19

timer=360

transaction_timestamps=0

transaction-frequency=65

value_max=80

value_min=5

verify=0

wiredtiger_config=

write_pct=0

############################################