############################################
#  RUN PARAMETERS
############################################
abort=0
auto_throttle=1
firstfit=0
bitcnt=4
bloom=1
bloom_bit_count=48
bloom_hash_count=12
bloom_oldest=0
cache=40
checkpoints=1
checksum=uncompressed
chunk_size=1
compaction=0
compression=none
data_extend=0
data_source=file
delete_pct=43
dictionary=0
evict_max=4
file_type=variable-length column-store
backups=0
huffman_key=0
huffman_value=0
insert_pct=16
internal_key_truncation=1
internal_page_max=14
isolation=read-committed
key_gap=18
key_max=27
key_min=27
leak_memory=0
leaf_page_max=9
logging=0
logging_archive=0
logging_prealloc=0
lsm_worker_threads=4
merge_max=9
mmap=0
ops=100000
prefix_compression=1
prefix_compression_min=7
repeat_data_pct=68
reverse=0
rows=100000
runs=100
split_pct=75
statistics=0
statistics_server=0
threads=20
timer=20
value_max=910
value_min=8
wiredtiger_config=
write_pct=73
############################################

(gdb) thread apply all where

Thread 10 (Thread 0x7f333d2c7700 (LWP 17262)):
#0  0x0000003467a0b98e in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
WT-1  0x00000000004421d8 in __wt_cond_wait (session=0x2144040, cond=0x215dbc0, 
    usecs=100000) at ../src/os_posix/os_mtx_cond.c:79
WT-2  0x000000000042b09b in __evict_server (arg=0x2144040)
    at ../src/evict/evict_lru.c:210
WT-3  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-4  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f33361fc700 (LWP 17263)):
#0  0x0000003467a0b98e in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
WT-1  0x00000000004421d8 in __wt_cond_wait (session=0x2144b40, cond=0x218ee50, 
    usecs=10000000) at ../src/os_posix/os_mtx_cond.c:79
WT-2  0x000000000042151a in __sweep_server (arg=0x2144b40)
    at ../src/conn/conn_sweep.c:171
WT-3  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-4  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f33357fb700 (LWP 17284)):
#0  0x00000000004eb9b3 in __col_insert_search_match (inshead=0x7f32e0080a70, 
    recno=64587) at ../src/include/column.i:111
WT-1  0x00000000004eca07 in __cursor_var_prev (cbt=0x7f32c403aaf0, newpage=0)
    at ../src/btree/bt_curprev.c:341
WT-2  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f32c403aaf0, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-3  0x00000000004b8e8e in __curfile_prev (cursor=0x7f32c403aaf0)
    at ../src/cursor/cur_file.c:156
WT-4  0x0000000000410ab9 in nextprev (cursor=0x7f32c403aaf0, next=0, 
    notfoundp=0x7f33357fada4) at ../../../test/format/ops.c:674
WT-5  0x0000000000410337 in ops (arg=0x24f3400) at ../../../test/format/ops.c:475
WT-6  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-7  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f333dcc8700 (LWP 17287)):
#0  __col_insert_search_lt (inshead=0x7f32f40851b0, recno=39196)
    at ../src/include/column.i:82
WT-1  0x00000000004ecb5f in __cursor_var_prev (cbt=0x7f32b403aaf0, newpage=0)
    at ../src/btree/bt_curprev.c:379
WT-2  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f32b403aaf0, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-3  0x00000000004b8e8e in __curfile_prev (cursor=0x7f32b403aaf0)
    at ../src/cursor/cur_file.c:156
WT-4  0x0000000000410ab9 in nextprev (cursor=0x7f32b403aaf0, next=0, 
    notfoundp=0x7f333dcc7da4) at ../../../test/format/ops.c:674
WT-5  0x0000000000410337 in ops (arg=0x24f3508) at ../../../test/format/ops.c:475
WT-6  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
WT-7  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f3337fff700 (LWP 17288)):
#0  0x00000000004eca73 in __cursor_var_prev (cbt=0x7f32ac03aaf0, newpage=0)
    at ../src/btree/bt_curprev.c:346
WT-1  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f32ac03aaf0, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-2  0x00000000004b8e8e in __curfile_prev (cursor=0x7f32ac03aaf0)
    at ../src/cursor/cur_file.c:156
WT-3  0x0000000000410ab9 in nextprev (cursor=0x7f32ac03aaf0, next=0, 
    notfoundp=0x7f3337ffeda4) at ../../../test/format/ops.c:674
WT-4  0x0000000000410337 in ops (arg=0x24f3560) at ../../../test/format/ops.c:475
WT-5  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-6  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f3336bfd700 (LWP 17290)):
#0  __col_insert_search_match (inshead=0x7f3300000e60, recno=38371)
    at ../src/include/column.i:118
WT-1  0x00000000004eca07 in __cursor_var_prev (cbt=0x7f33241896f0, newpage=0)
    at ../src/btree/bt_curprev.c:341
WT-2  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f33241896f0, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-3  0x00000000004b8e8e in __curfile_prev (cursor=0x7f33241896f0)
    at ../src/cursor/cur_file.c:156
WT-4  0x0000000000410ab9 in nextprev (cursor=0x7f33241896f0, next=0, 
    notfoundp=0x7f3336bfcda4) at ../../../test/format/ops.c:674
WT-5  0x0000000000410337 in ops (arg=0x24f3610) at ../../../test/format/ops.c:475
WT-6  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-7  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f3331bf5700 (LWP 17296)):
#0  0x00000000004e9f3e in __wt_cell_unpack_safe (cell=0x238794d, 
    unpack=0x7f3331bf4ad0, end=0x0) at ../src/include/cell.i:622
WT-1  0x00000000004ea1c3 in __wt_cell_unpack (cell=0x238794d, 
    unpack=0x7f3331bf4ad0) at ../src/include/cell.i:710
WT-2  0x00000000004ecb15 in __cursor_var_prev (cbt=0x7f332c086a10, newpage=0)
    at ../src/btree/bt_curprev.c:365
WT-3  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f332c086a10, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-4  0x00000000004b8e8e in __curfile_prev (cursor=0x7f332c086a10)
    at ../src/cursor/cur_file.c:156
WT-5  0x0000000000410ab9 in nextprev (cursor=0x7f332c086a10, next=0, 
    notfoundp=0x7f3331bf4da4) at ../../../test/format/ops.c:674
WT-6  0x0000000000410337 in ops (arg=0x24f3820) at ../../../test/format/ops.c:475
WT-7  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-8  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f33311f4700 (LWP 17297)):
#0  __cursor_var_prev (cbt=0x7f3320086610, newpage=1)
---Type <return> to continue, or q <return> to quit---
    at ../src/btree/bt_curprev.c:342
WT-1  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f3320086610, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-2  0x00000000004b8e8e in __curfile_prev (cursor=0x7f3320086610)
    at ../src/cursor/cur_file.c:156
WT-3  0x0000000000410ab9 in nextprev (cursor=0x7f3320086610, next=0, 
    notfoundp=0x7f33311f3da4) at ../../../test/format/ops.c:674
WT-4  0x0000000000410337 in ops (arg=0x24f3878) at ../../../test/format/ops.c:475
WT-5  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-6  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f332a1fc700 (LWP 17301)):
#0  0x00000000004ebddf in __col_var_search (page=0x25332e0, recno=84228, 
    start_recnop=0x7f332a1fbac8) at ../src/include/column.i:259
WT-1  0x00000000004ec94a in __cursor_var_prev (cbt=0x7f32ec03aaf0, newpage=0)
    at ../src/btree/bt_curprev.c:335
WT-2  0x00000000004ed388 in __wt_btcur_prev (cbt=0x7f32ec03aaf0, truncating=0)
    at ../src/btree/bt_curprev.c:589
WT-3  0x00000000004b8e8e in __curfile_prev (cursor=0x7f32ec03aaf0)
    at ../src/cursor/cur_file.c:156
WT-4  0x0000000000410ab9 in nextprev (cursor=0x7f32ec03aaf0, next=0, 
    notfoundp=0x7f332a1fbda4) at ../../../test/format/ops.c:674
WT-5  0x0000000000410337 in ops (arg=0x24f39d8) at ../../../test/format/ops.c:475
WT-6  0x0000003467a079d1 in start_thread () from /lib64/libpthread.so.0
WT-7  0x00000034676e8b6d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f333eed2720 (LWP 13068)):
#0  0x00000034676accdd in nanosleep () from /lib64/libc.so.6
WT-1  0x00000034676e1e54 in usleep () from /lib64/libc.so.6
WT-2  0x000000000040f8b7 in wts_ops (lastrun=0) at ../../../test/format/ops.c:168
WT-3  0x0000000000412937 in main (argc=0, argv=0x7ffff9709f40)
    at ../../../test/format/t.c:202
(gdb) thread 2
[Switching to thread 2 (Thread 0x7f332a1fc700 (LWP 17301))]#0  0x00000000004ebddf in __col_var_search (page=0x25332e0, recno=84228, 
    start_recnop=0x7f332a1fbac8) at ../src/include/column.i:259
259			repeat = page->pg_var_repeats + indx;
(gdb) p page->pg_var_repeats
There is no member named pg_var_repeats.
(gdb) p page
$1 = (WT_PAGE *) 0x25332e0
(gdb) p page->pg_var_repeats
There is no member named pg_var_repeats.
(gdb) p page->u.colv_var.repeats
There is no member named colv_var.
(gdb) p page->u.col_var.repeats
$2 = (WT_COL_RLE *) 0x2533610
(gdb) p *$2
$3 = {recno = 84216, rle = 4, indx = 4}
(gdb) p limit
$4 = 1
(gdb) n
260			if (recno >= repeat->recno &&
(gdb) 
261			    recno < repeat->recno + repeat->rle) {
(gdb) 
260			if (recno >= repeat->recno &&
(gdb) 
262				if (start_recnop != NULL)
(gdb) 
263					*start_recnop = repeat->recno;
(gdb) 
264				return (page->pg_var_d + repeat->indx);
(gdb) 
289	}
(gdb) 
__cursor_var_prev (cbt=0x7f32ec03aaf0, newpage=0)
    at ../src/btree/bt_curprev.c:334
334			if ((cip =
(gdb) n
337			cbt->slot = WT_COL_SLOT(page, cip);
(gdb) p cip
$5 = (WT_COL *) 0x2533350
(gdb) n
340			cbt->ins_head = WT_COL_UPDATE_SLOT(page, cbt->slot);
(gdb) 
341			cbt->ins = __col_insert_search_match(cbt->ins_head, cbt->recno);