Test format stress failure - page splits

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/rec_split.c>:582 (discriminator 2)(__split_deepen)[0x4693fd]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/rec_split.c>:1021(__wt_split_evict)[0x46a33c]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/rec_evict.c>:170(__rec_page_dirty_update)[0x46676f]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/rec_evict.c>:88(__wt_rec_evict)[0x4664c2]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/bt_evict.c>:618(__wt_evict_page)[0x457b9c]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/bt_evict.c>:1220(__wt_evict_lru_page)[0x458cc9]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/include/cache.i>:133(__wt_cache_full_check)[0x4b1ed8]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/include/cursor.i>:62(__cursor_enter)[0x4b20b7]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/include/cursor.i>:99(__curfile_enter)[0x4b2190]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/include/cursor.i>:145(__cursor_func_init)[0x4b22bd]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/btree/bt_cursor.c>:306(__wt_btcur_search)[0x4b2a04]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/../src/cursor/cur_file.c>:165(__curfile_search)[0x488a5d]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/test/format/../../../test/format/ops.c>:542(read_row)[0x4075de]

<http://mjc.homeunix.org:8180/job/wiredtiger-test-format-stress/ws/build_posix/test/format/../../../test/format/ops.c>:394(ops)

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

#  RUN PARAMETERS

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

auto_throttle=0

firstfit=0

bitcnt=7

bloom=1

bloom_bit_count=62

bloom_hash_count=28

bloom_oldest=0

cache=3

checkpoints=1

checksum=uncompressed

chunk_size=5

compaction=0

compression=none

data_extend=0

data_source=table

delete_pct=7

dictionary=0

evict_max=4

file_type=variable-length column-store

backups=0

huffman_key=0

huffman_value=0

insert_pct=9

internal_key_truncation=1

internal_page_max=16

isolation=random

key_gap=3

key_max=80

key_min=12

leak_memory=0

leaf_page_max=11

logging=0

merge_max=13

merge_threads=2

mmap=1

ops=100000

prefix_compression=0

prefix_compression_min=1

repeat_data_pct=79

reverse=0

rows=100000

runs=100

split_pct=70

statistics=0

threads=16

value_max=1432

value_min=13

wiredtiger_config=

write_pct=43

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