Thread 17 (Thread 0x3fff757ff1b0 (LWP 33933)): #0 0x00003fff88332cd4 in pread () from /lib64/power8/libpthread.so.0 #1 0x000000001007658c in __posix_file_read (file_handle=0x10005cf2540, wt_session=0x3fff87d94a70, offset=500027904, len=512, buf=0x3fff6c1be200) at ../src/os_posix/os_fs.c:442 #2 0x00000000101f6dc0 in __wt_read (session=0x3fff87d94a70, fh=0x10005c69460, offset=500027904, len=512, buf=0x3fff6c1be200) at ../src/include/os_fhandle.i:114 #3 0x00000000101f7d24 in __wt_block_read_off (session=0x3fff87d94a70, block=0x10005cf1e10, buf=0x3fff6c34ab20, offset=500027904, size=512, checksum=1549690803) at ../src/block/block_read.c:255 #4 0x00000000101f74a4 in __wt_bm_read (bm=0x10005c81690, session=0x3fff87d94a70, buf=0x3fff6c34ab20, addr=0x3fff6c19ba8a "\343\016\306\250\201\344\\^Gs\240\212\343\016\306\251\201\344\302\344\215 `\212\343\016\306\252\201\344\237\347;\221\240\212\343\016\306\253\201\344\341<\265\245`\212\343\016\306\254\201\344\327\354\066d\240\212\343\016\306\255\201\344\251\067\270P`\212\343\f\317\345\201\344\251\376h\322\240\212\343\f\317\334\201\344\330\214\316[`\212\343\016\306\256\201\344\024UJ\206\240\212\343\016\306\257\201\344E6\333\342`\212\343\016\306\260\201\344\242\352\226\227\240\212\343\016\306\261\201\344 \261db`\212\343\016\306\262\201\344aSju\240\212\343\016\017/\201\344k\232\306\205`\212\343\016\306\264\201\344\327<\033\377\240\212\343\016\306\265\201\344I\206\326\254`\212\343\016\306\266\201\344\024\204"..., addr_size=10) at ../src/block/block_read.c:101 #5 0x0000000010114fac in __wt_bt_read (session=0x3fff87d94a70, buf=0x3fff6c123610, addr=0x3fff6c19ba8a "\343\016\306\250\201\344\\^Gs\240\212\343\016\306\251\201\344\302\344\215 `\212\343\016\306\252\201\344\237\347;\221\240\212\343\016\306\253\201\344\341<\265\245`\212\343\016\306\254\201\344\327\354\066d\240\212\343\016\306\255\201\344\251\067\270P`\212\343\f\317\345\201\344\251\376h\322\240\212\343\f\317\334\201\344\330\214\316[`\212\343\016\306\256\201\344\024UJ\206\240\212\343\016\306\257\201\344E6\333\342`\212\343\016\306\260\201\344\242\352\226\227\240\212\343\016\306\261\201\344 \261db`\212\343\016\306\262\201\344aSju\240\212\343\016\017/\201\344k\232\306\205`\212\343\016\306\264\201\344\327<\033\377\240\212\343\016\306\265\201\344I\206\326\254`\212\343\016\306\266\201\344\024\204"..., addr_size=10) at ../src/btree/bt_io.c:45 #6 0x00000000101189b4 in __ovfl_read (session=0x3fff87d94a70, addr=0x3fff6c19ba8a "\343\016\306\250\201\344\\^Gs\240\212\343\016\306\251\201\344\302\344\215 `\212\343\016\306\252\201\344\237\347;\221\240\212\343\016\306\253\201\344\341<\265\245`\212\343\016\306\254\201\344\327\354\066d\240\212\343\016\306\255\201\344\251\067\270P`\212\343\f\317\345\201\344\251\376h\322\240\212\343\f\317\334\201\344\330\214\316[`\212\343\016\306\256\201\344\024UJ\206\240\212\343\016\306\257\201\344E6\333\342`\212\343\016\306\260\201\344\242\352\226\227\240\212\343\016\306\261\201\344 \261db`\212\343\016\306\262\201\344aSju\240\212\343\016\017/\201\344k\232\306\205`\212\343\016\306\264\201\344\327<\033\377\240\212\343\016\306\265\201\344I\206\326\254`\212\343\016\306\266\201\344\024\204"..., addr_size=10, store=0x3fff6c123610) at ../src/btree/bt_ovfl.c:31 #7 0x0000000010118bc4 in __wt_ovfl_read (session=0x3fff87d94a70, page=0x0, unpack=0x3fff757fbb80, store=0x3fff6c123610, decoded=0x3fff757fb9f8) at ../src/btree/bt_ovfl.c:61 #8 0x00000000101593dc in __cell_data_ref (session=0x3fff87d94a70, page=0x0, page_type=7, unpack=0x3fff757fbb80, store=0x3fff6c123610) at ../src/include/cell.i:769 #9 0x00000000101595d0 in __wt_dsk_cell_data_ref (session=0x3fff87d94a70, page_type=7, unpack=0x3fff757fbb80, store=0x3fff6c123610) at ../src/include/cell.i:808 #10 0x000000001015a420 in __wt_row_leaf_key_work (session=0x3fff87d94a70, page=0x3fff6c19bba0, rip_arg=0x3fff6c19bc10, keyb=0x3fff6c123610, instantiate=true) at ../src/btree/row_key.c:290 #11 0x00000000101602b4 in __wt_row_leaf_key (session=0x3fff87d94a70, page=0x3fff6c19bba0, rip=0x3fff6c19bc10, key=0x3fff6c123610, instantiate=true) at ../src/include/btree.i:1011 #12 0x0000000010162e18 in __wt_row_search (session=0x3fff87d94a70, srch_key=0x3fff6c123460, leaf=0x0, cbt=0x3fff6c123360, insert=false, restore=false) at ../src/btree/row_srch.c:537 #13 0x0000000010210fec in __cursor_row_search (session=0x3fff87d94a70, cbt=0x3fff6c123360, leaf=0x0, insert=false) at ../src/btree/bt_cursor.c:385 #14 0x0000000010211854 in __wt_btcur_search (cbt=0x3fff6c123360) at ../src/btree/bt_cursor.c:530 #15 0x0000000010214104 in __wt_btcur_modify (cbt=0x3fff6c123360, entries=0x3fff757fc178, nentries=5) at ../src/btree/bt_cursor.c:1440 #16 0x000000001018b858 in __curfile_modify (cursor=0x3fff6c123360, entries=0x3fff757fc178, nentries=5) at ../src/cursor/cur_file.c:333 #17 0x000000001000fef0 in row_modify (tinfo=0x10005c84d60, cursor=0x3fff6c123360, positioned=false) at ../../../test/format/ops.c:1622 #18 0x000000001000d534 in ops (arg=0x10005c84d60) at ../../../test/format/ops.c:944 #19 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #20 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 16 (Thread 0x3fff8555f1b0 (LWP 33913)): #0 0x00003fff8832dfb4 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib64/power8/libpthread.so.0 #1 0x000000001007891c in __wt_cond_wait_signal (session=0x3fff87d938f0, cond=0x10005ce35c0, usecs=2000000, run_func=0x100398fc <__sweep_server_run_chk>, signalled=0x3fff8555e6d0) at ../src/os_posix/os_mtx_cond.c:122 #2 0x00000000100382fc in __wt_cond_wait (session=0x3fff87d938f0, cond=0x10005ce35c0, usecs=2000000, ---Type to continue, or q to quit--- run_func=0x100398fc <__sweep_server_run_chk>) at ../src/include/misc.i:19 #3 0x00000000100399f4 in __sweep_server (arg=0x3fff87d938f0) at ../src/conn/conn_sweep.c:295 #4 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #5 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 15 (Thread 0x3fff86d5f1b0 (LWP 33910)): #0 0x00003fff8832dfb4 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib64/power8/libpthread.so.0 #1 0x000000001007891c in __wt_cond_wait_signal (session=0x3fff87d92bd0, cond=0x10005c6b860, usecs=1000, run_func=0x0, signalled=0x3fff86d5e4b0) at ../src/os_posix/os_mtx_cond.c:122 #2 0x000000001004a104 in __wt_cond_wait (session=0x3fff87d92bd0, cond=0x10005c6b860, usecs=1000, run_func=0x0) at ../src/include/misc.i:19 #3 0x000000001004ebe0 in __evict_pass (session=0x3fff87d92bd0) at ../src/evict/evict_lru.c:779 #4 0x000000001004dda4 in __evict_server (session=0x3fff87d92bd0, did_work=0x3fff86d5e710) at ../src/evict/evict_lru.c:384 #5 0x000000001004d8e8 in __wt_evict_thread_run (session=0x3fff87d92bd0, thread=0x10005ca7b50) at ../src/evict/evict_lru.c:290 #6 0x00000000100d8cf8 in __thread_run (arg=0x10005ca7b50) at ../src/support/thread_group.c:31 #7 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #8 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 14 (Thread 0x3fff8655f1b0 (LWP 33911)): #0 0x00003fff8832dfb4 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib64/power8/libpthread.so.0 #1 0x000000001007891c in __wt_cond_wait_signal (session=0x3fff87d93030, cond=0x10005c95980, usecs=10000, run_func=0x0, signalled=0x3fff8655e5f0) at ../src/os_posix/os_mtx_cond.c:122 #2 0x000000001004a104 in __wt_cond_wait (session=0x3fff87d93030, cond=0x10005c95980, usecs=10000, run_func=0x0) at ../src/include/misc.i:19 #3 0x000000001004fdbc in __evict_lru_pages (session=0x3fff87d93030, is_server=false) at ../src/evict/evict_lru.c:1182 #4 0x000000001004da8c in __wt_evict_thread_run (session=0x3fff87d93030, thread=0x10005ca7d80) at ../src/evict/evict_lru.c:318 #5 0x00000000100d8cf8 in __thread_run (arg=0x10005ca7d80) at ../src/support/thread_group.c:31 #6 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #7 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 13 (Thread 0x3fff76fff1b0 (LWP 33938)): #0 0x00003fff88332cd4 in pread () from /lib64/power8/libpthread.so.0 #1 0x000000001007658c in __posix_file_read (file_handle=0x10005cf2540, wt_session=0x3fff87d95790, offset=78770688, len=512, buf=0x3fff5c3ef200) at ../src/os_posix/os_fs.c:442 #2 0x00000000101f6dc0 in __wt_read (session=0x3fff87d95790, fh=0x10005c69460, offset=78770688, len=512, buf=0x3fff5c3ef200) at ../src/include/os_fhandle.i:114 #3 0x00000000101f7d24 in __wt_block_read_off (session=0x3fff87d95790, block=0x10005cf1e10, buf=0x3fff5c1e4290, offset=78770688, size=512, checksum=308959378) at ../src/block/block_read.c:255 #4 0x00000000101f74a4 in __wt_bm_read (bm=0x10005c81690, session=0x3fff87d95790, buf=0x3fff5c1e4290, addr=0x3fff5c329166 "\343\002\070\270\201\344\022j8R`\212\343\002\070\271\201\344\247\224\316i\240\212\343\002\070\272\201\344\305\263\301\201`\212\343\002\070\273\201\344\021+\022x\240\212\343\002\070\274\201\344\324?\016\212`\212\343\002\070\275\201\344\322\221\356\232\240\212\343\002\070\276\201\344G-\317\264\025\001", addr_size=10) at ../src/block/block_read.c:101 #5 0x0000000010114fac in __wt_bt_read (session=0x3fff87d95790, buf=0x3fff5c061ae8, addr=0x3fff5c329166 "\343\002\070\270\201\344\022j8R`\212\343\002\070\271\201\344\247\224\316i\240\212\343\002\070\272\201\344\305\263\301\201`\212\343\002\070\273\201\344\021+\022x\240\212\343\002\070\274\201\344\324?\016\212`\212\343\002\070\275\201\344\322\221\356\232\240\212\343\002\070\276\201\344G-\317\264\025\001", addr_size=10) at ../src/btree/bt_io.c:45 #6 0x00000000101189b4 in __ovfl_read (session=0x3fff87d95790, addr=0x3fff5c329166 "\343\002\070\270\201\344\022j8R`\212\343\002\070\271\201\344\247\224\316i\240\212\343\002\070\272\201\344\305\263\301\201`\212\343\002\070\273\201\344\021+\022x\240\212\343\002\070\274\201\344\324?\016\212`\212\343\002\070\275\201\344\322\221\356\232\240\212\343\002\070\276\201\344G-\317\264\025\001", addr_size=10, store=0x3fff5c061ae8) at ../src/btree/bt_ovfl.c:31 #7 0x0000000010118d50 in __wt_ovfl_read (session=0x3fff87d95790, page=0x3fff5c4a1940, unpack=0x3fff76ffbf28, store=0x3fff5c061ae8, decoded=0x3fff76ffbdb8) at ../src/btree/bt_ovfl.c:85 #8 0x000000001020027c in __cell_data_ref (session=0x3fff87d95790, page=0x3fff5c4a1940, page_type=7, unpack=0x3fff76ffbf28, store=0x3fff5c061ae8) at ../src/include/cell.i:776 #9 0x00000000102003b8 in __wt_page_cell_data_ref (session=0x3fff87d95790, page=0x3fff5c4a1940, unpack=0x3fff76ffbf28, store=0x3fff5c061ae8) at ../src/include/cell.i:819 #10 0x0000000010203d28 in __cursor_row_slot_return (cbt=0x3fff5c0619c0, rip=0x3fff5c4a19e0, upd=0x0) at ../src/include/cursor.i:468 #11 0x0000000010204ca4 in __cursor_row_next (cbt=0x3fff5c0619c0, newpage=false) at ../src/btree/bt_curnext.c:364 #12 0x00000000102059f4 in __wt_btcur_next (cbt=0x3fff5c0619c0, truncating=false) at ../src/btree/bt_curnext.c:661 #13 0x00000000101880f0 in __curfile_next (cursor=0x3fff5c0619c0) ---Type to continue, or q to quit--- at ../src/cursor/cur_file.c:96 #14 0x000000001000ed90 in nextprev (tinfo=0x100075485c0, cursor=0x3fff5c0619c0, next=true) at ../../../test/format/ops.c:1343 #15 0x000000001000df6c in ops (arg=0x100075485c0) at ../../../test/format/ops.c:1085 #16 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #17 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 12 (Thread 0x3fff88467060 (LWP 33900)): #0 0x00003fff8819a8a4 in select () from /lib64/power8/libc.so.6 #1 0x00000000100790c0 in __wt_sleep (seconds=0, micro_seconds=250000) at ../src/os_posix/os_sleep.c:32 #2 0x000000001000aec0 in wts_ops (lastrun=0) at ../../../test/format/ops.c:237 #3 0x0000000010013970 in main (argc=5, argv=0x3fffe56ce2c0) at ../../../test/format/t.c:210 Thread 11 (Thread 0x3fff53fff1b0 (LWP 33930)): #0 0x00003fff88332cd4 in pread () from /lib64/power8/libpthread.so.0 #1 0x000000001007658c in __posix_file_read (file_handle=0x10005cf2540, wt_session=0x3fff87d93d50, offset=28019712, len=512, buf=0x3fff453c4000) at ../src/os_posix/os_fs.c:442 #2 0x00000000101f6dc0 in __wt_read (session=0x3fff87d93d50, fh=0x10005c69460, offset=28019712, len=512, buf=0x3fff453c4000) at ../src/include/os_fhandle.i:114 #3 0x00000000101f7d24 in __wt_block_read_off (session=0x3fff87d93d50, block=0x10005cf1e10, buf=0x3fff453e9fe0, offset=28019712, size=512, checksum=2689538670) at ../src/block/block_read.c:255 #4 0x00000000101f74a4 in __wt_bm_read (bm=0x10005c81690, session=0x3fff87d93d50, buf=0x3fff453e9fe0, addr=0x3fff453eed3c "\342\265\205\201\344\240N\372.`\211\342\265\206\201\344\214\351\373L\240\211\342\265\207\201\344\026\360\246?`\211\342\265\210\201\344OS\a\256\240\212\343!`w\201\344\a\303\v\342`\211\342\265\212\201\344\022A\315\357\240\211\342\265\213\201\344hE\322t`\211\342\265\214\201\344\321\370\262\r\240\211\342\265\215\201\344K\341\357~`\211\342\265\216\201\344\336\273\353\301\240\211\342\265\217\201\344\374S\206Z`\211\342\265\220\201\344\035\005\020#\240\212\343 \312\"\201\344\342\033\377\360`\211\342\265\222\201\344\\!\341\364\240\211\342\265\223\201\344S\326AE`\211\342\265\224\201\344\237\233\036\026\240\211\342\265\225\201\344F\255\003\252`\211\342\265\226\201\344\336lFZ\240\211"..., addr_size=9) at ../src/block/block_read.c:101 #5 0x0000000010114fac in __wt_bt_read (session=0x3fff87d93d50, buf=0x3fff446d3e38, addr=0x3fff453eed3c "\342\265\205\201\344\240N\372.`\211\342\265\206\201\344\214\351\373L\240\211\342\265\207\201\344\026\360\246?`\211\342\265\210\201\344OS\a\256\240\212\343!`w\201\344\a\303\v\342`\211\342\265\212\201\344\022A\315\357\240\211\342\265\213\201\344hE\322t`\211\342\265\214\201\344\321\370\262\r\240\211\342\265\215\201\344K\341\357~`\211\342\265\216\201\344\336\273\353\301\240\211\342\265\217\201\344\374S\206Z`\211\342\265\220\201\344\035\005\020#\240\212\343 \312\"\201\344\342\033\377\360`\211\342\265\222\201\344\\!\341\364\240\211\342\265\223\201\344S\326AE`\211\342\265\224\201\344\237\233\036\026\240\211\342\265\225\201\344F\255\003\252`\211\342\265\226\201\344\336lFZ\240\211"..., addr_size=9) at ../src/btree/bt_io.c:45 #6 0x00000000101189b4 in __ovfl_read (session=0x3fff87d93d50, addr=0x3fff453eed3c "\342\265\205\201\344\240N\372.`\211\342\265\206\201\344\214\351\373L\240\211\342\265\207\201\344\026\360\246?`\211\342\265\210\201\344OS\a\256\240\212\343!`w\201\344\a\303\v\342`\211\342\265\212\201\344\022A\315\357\240\211\342\265\213\201\344hE\322t`\211\342\265\214\201\344\321\370\262\r\240\211\342\265\215\201\344K\341\357~`\211\342\265\216\201\344\336\273\353\301\240\211\342\265\217\201\344\374S\206Z`\211\342\265\220\201\344\035\005\020#\240\212\343 \312\"\201\344\342\033\377\360`\211\342\265\222\201\344\\!\341\364\240\211\342\265\223\201\344S\326AE`\211\342\265\224\201\344\237\233\036\026\240\211\342\265\225\201\344F\255\003\252`\211\342\265\226\201\344\336lFZ\240\211"..., addr_size=9, store=0x3fff446d3e38) at ../src/btree/bt_ovfl.c:31 #7 0x0000000010118d50 in __wt_ovfl_read (session=0x3fff87d93d50, page=0x3fff453eee70, unpack=0x3fff53ffbd98, store=0x3fff446d3e38, decoded=0x3fff53ffbc28) at ../src/btree/bt_ovfl.c:85 #8 0x000000001020027c in __cell_data_ref (session=0x3fff87d93d50, page=0x3fff453eee70, page_type=7, unpack=0x3fff53ffbd98, store=0x3fff446d3e38) at ../src/include/cell.i:776 #9 0x00000000102003b8 in __wt_page_cell_data_ref (session=0x3fff87d93d50, page=0x3fff453eee70, unpack=0x3fff53ffbd98, store=0x3fff446d3e38) at ../src/include/cell.i:819 #10 0x0000000010203d28 in __cursor_row_slot_return (cbt=0x3fff446d3d10, rip=0x3fff453eeec8, upd=0x0) at ../src/include/cursor.i:468 #11 0x0000000010204ca4 in __cursor_row_next (cbt=0x3fff446d3d10, newpage=false) at ../src/btree/bt_curnext.c:364 #12 0x00000000102059f4 in __wt_btcur_next (cbt=0x3fff446d3d10, truncating=true) at ../src/btree/bt_curnext.c:661 #13 0x0000000010214e98 in __cursor_truncate (session=0x3fff87d93d50, start=0x3fff446d3d10, stop=0x3fff45384fb0, rmfunc=0x102111e8 <__cursor_row_modify>) at ../src/btree/bt_cursor.c:1691 #14 0x0000000010215304 in __wt_btcur_range_truncate (start=0x3fff446d3d10, stop=0x3fff45384fb0) at ../src/btree/bt_cursor.c:1814 #15 0x00000000101f2e30 in __wt_schema_range_truncate (session=0x3fff87d93d50, start=0x3fff446d3d10, stop=0x3fff45384fb0) at ../src/schema/schema_truncate.c:145 #16 0x00000000100b892c in __wt_session_range_truncate (session=0x3fff87d93d50, uri=0x0, start=0x3fff446d3d10, stop=0x3fff45384fb0) at ../src/session/session_api.c:1433 #17 0x00000000100b94f8 in __session_truncate (wt_session=0x3fff87d93d50, ---Type to continue, or q to quit--- uri=0x0, start=0x3fff446d3d10, stop=0x3fff45384fb0, config=0x0) at ../src/session/session_api.c:1507 #18 0x0000000010010648 in row_truncate (tinfo=0x10008ef1e50, cursor=0x3fff446d3d10) at ../../../test/format/ops.c:1721 #19 0x000000001000dbfc in ops (arg=0x10008ef1e50) at ../../../test/format/ops.c:1040 #20 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #21 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 10 (Thread 0x3fff777ff1b0 (LWP 33937)): #0 0x00003fff88332cd4 in pread () from /lib64/power8/libpthread.so.0 #1 0x000000001007658c in __posix_file_read (file_handle=0x10005cf2540, wt_session=0x3fff87d95330, offset=618609152, len=512, buf=0x3fff685c9200) at ../src/os_posix/os_fs.c:442 #2 0x00000000101f6dc0 in __wt_read (session=0x3fff87d95330, fh=0x10005c69460, offset=618609152, len=512, buf=0x3fff685c9200) at ../src/include/os_fhandle.i:114 #3 0x00000000101f7d24 in __wt_block_read_off (session=0x3fff87d95330, block=0x10005cf1e10, buf=0x3fff68054e50, offset=618609152, size=512, checksum=2349215339) at ../src/block/block_read.c:255 #4 0x00000000101f74a4 in __wt_bm_read (bm=0x10005c81690, session=0x3fff87d95330, buf=0x3fff68054e50, addr=0x3fff681d55a6 "\343\022O\\\201\344\214\006\016+`\212\343\022O]\201\344\325\"\301\255\240\212\343\022O^\201\344\037\224J\026`\212\343\022O_\201\344\363\374>\317\240\212\343\022O`\201\344I\373\206\261`\212\343\"\t\317\201\344N,r\032\240\212\343!l,\201\344n\245\067\246`\212\343\022Oa\201\344K\210\364\016\240\212\343\022Ob\201\344\"1<\t`\212\343\022Oc\201\344\"D\330\332\240\212\343\022Od\201\344\233L\336]`\212\343\022Oe\201\344\207t\326 \240\212\343\022Of\201\344\260\360>K`\212\343\022Og\201\344\275\237\222\324\240\212\343\022Oh\201\344\373\030\326k`\212\343\fF\277\201\344\304\301:\347\240\212\343\fF\265\201\344D\277"..., addr_size=10) at ../src/block/block_read.c:101 #5 0x0000000010114fac in __wt_bt_read (session=0x3fff87d95330, buf=0x3fff681d8e78, addr=0x3fff681d55a6 "\343\022O\\\201\344\214\006\016+`\212\343\022O]\201\344\325\"\301\255\240\212\343\022O^\201\344\037\224J\026`\212\343\022O_\201\344\363\374>\317\240\212\343\022O`\201\344I\373\206\261`\212\343\"\t\317\201\344N,r\032\240\212\343!l,\201\344n\245\067\246`\212\343\022Oa\201\344K\210\364\016\240\212\343\022Ob\201\344\"1<\t`\212\343\022Oc\201\344\"D\330\332\240\212\343\022Od\201\344\233L\336]`\212\343\022Oe\201\344\207t\326 \240\212\343\022Of\201\344\260\360>K`\212\343\022Og\201\344\275\237\222\324\240\212\343\022Oh\201\344\373\030\326k`\212\343\fF\277\201\344\304\301:\347\240\212\343\fF\265\201\344D\277"..., addr_size=10) at ../src/btree/bt_io.c:45 #6 0x00000000101189b4 in __ovfl_read (session=0x3fff87d95330, addr=0x3fff681d55a6 "\343\022O\\\201\344\214\006\016+`\212\343\022O]\201\344\325\"\301\255\240\212\343\022O^\201\344\037\224J\026`\212\343\022O_\201\344\363\374>\317\240\212\343\022O`\201\344I\373\206\261`\212\343\"\t\317\201\344N,r\032\240\212\343!l,\201\344n\245\067\246`\212\343\022Oa\201\344K\210\364\016\240\212\343\022Ob\201\344\"1<\t`\212\343\022Oc\201\344\"D\330\332\240\212\343\022Od\201\344\233L\336]`\212\343\022Oe\201\344\207t\326 \240\212\343\022Of\201\344\260\360>K`\212\343\022Og\201\344\275\237\222\324\240\212\343\022Oh\201\344\373\030\326k`\212\343\fF\277\201\344\304\301:\347\240\212\343\fF\265\201\344D\277"..., addr_size=10, store=0x3fff681d8e78) at ../src/btree/bt_ovfl.c:31 #7 0x0000000010118d50 in __wt_ovfl_read (session=0x3fff87d95330, page=0x3fff68058300, unpack=0x3fff777fbf28, store=0x3fff681d8e78, decoded=0x3fff777fbdb8) at ../src/btree/bt_ovfl.c:85 #8 0x000000001020027c in __cell_data_ref (session=0x3fff87d95330, page=0x3fff68058300, page_type=7, unpack=0x3fff777fbf28, store=0x3fff681d8e78) at ../src/include/cell.i:776 #9 0x00000000102003b8 in __wt_page_cell_data_ref (session=0x3fff87d95330, page=0x3fff68058300, unpack=0x3fff777fbf28, store=0x3fff681d8e78) at ../src/include/cell.i:819 #10 0x0000000010203d28 in __cursor_row_slot_return (cbt=0x3fff681d8d50, rip=0x3fff68058370, upd=0x0) at ../src/include/cursor.i:468 #11 0x0000000010204ca4 in __cursor_row_next (cbt=0x3fff681d8d50, newpage=false) at ../src/btree/bt_curnext.c:364 #12 0x00000000102059f4 in __wt_btcur_next (cbt=0x3fff681d8d50, truncating=false) at ../src/btree/bt_curnext.c:661 #13 0x00000000101880f0 in __curfile_next (cursor=0x3fff681d8d50) at ../src/cursor/cur_file.c:96 #14 0x000000001000ed90 in nextprev (tinfo=0x10007548330, cursor=0x3fff681d8d50, next=true) at ../../../test/format/ops.c:1343 #15 0x000000001000df6c in ops (arg=0x10007548330) at ../../../test/format/ops.c:1085 #16 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #17 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 9 (Thread 0x3fff767ff1b0 (LWP 33939)): #0 0x00003fff88332ed4 in pwrite () from /lib64/power8/libpthread.so.0 #1 0x0000000010076c40 in __posix_file_write (file_handle=0x10005cf2540, wt_session=0x3fff87d95bf0, offset=313648128, len=512, buf=0x3fff5828e600) at ../src/os_posix/os_fs.c:571 #2 0x00000000101fbfd4 in __wt_write (session=0x3fff87d95bf0, fh=0x10005c69460, offset=313648128, len=512, buf=0x3fff5828e600) at ../src/include/os_fhandle.i:193 #3 0x00000000101fcb54 in __block_write_off (session=0x3fff87d95bf0, block=0x10005cf1e10, buf=0x3fff582075d0, offsetp=0x3fff767fd9d8, sizep=0x3fff767fd9e4, checksump=0x3fff767fd9e0, data_checksum=true, checkpoint_io=true, caller_locked=false) at ../src/block/block_write.c:338 #4 0x00000000101fcfdc in __wt_block_write_off (session=0x3fff87d95bf0, ---Type to continue, or q to quit--- block=0x10005cf1e10, buf=0x3fff582075d0, offsetp=0x3fff767fd9d8, sizep=0x3fff767fd9e4, checksump=0x3fff767fd9e0, data_checksum=true, checkpoint_io=true, caller_locked=false) at ../src/block/block_write.c:406 #5 0x00000000101fc5f0 in __wt_block_write (session=0x3fff87d95bf0, block=0x10005cf1e10, buf=0x3fff582075d0, addr=0x3fff767fdc88 "", addr_sizep=0x3fff767fdc80, data_checksum=true, checkpoint_io=true) at ../src/block/block_write.c:211 #6 0x00000000101f5d44 in __bm_write (bm=0x10005c81690, session=0x3fff87d95bf0, buf=0x3fff582075d0, addr=0x3fff767fdc88 "", addr_sizep=0x3fff767fdc80, data_checksum=true, checkpoint_io=true) at ../src/block/block_mgr.c:508 #7 0x000000001011630c in __wt_bt_write (session=0x3fff87d95bf0, buf=0x3fff58158788, addr=0x3fff767fdc88 "", addr_sizep=0x3fff767fdc80, checkpoint=false, checkpoint_io=true, compressed=false) at ../src/btree/bt_io.c:375 #8 0x0000000010093714 in __rec_split_write (session=0x3fff87d95bf0, r=0x3fff58158650, chunk=0x3fff58158710, compressed_image=0x0, last_block=true) at ../src/reconcile/rec_write.c:3741 #9 0x00000000100924f4 in __rec_split_finish (session=0x3fff87d95bf0, r=0x3fff58158650) at ../src/reconcile/rec_write.c:3334 #10 0x000000001009769c in __rec_row_int (session=0x3fff87d95bf0, r=0x3fff58158650, page=0x3fff453a3b60) at ../src/reconcile/rec_write.c:5251 #11 0x000000001008ba3c in __wt_reconcile (session=0x3fff87d95bf0, ref=0x10008a31790, salvage=0x0, flags=1, lookaside_retryp=0x0) at ../src/reconcile/rec_write.c:477 #12 0x0000000010144814 in __sync_file (session=0x3fff87d95bf0, syncop=WT_SYNC_CHECKPOINT) at ../src/btree/bt_sync.c:336 #13 0x0000000010144c58 in __wt_cache_op (session=0x3fff87d95bf0, op=WT_SYNC_CHECKPOINT) at ../src/btree/bt_sync.c:430 #14 0x00000000100e6bc0 in __checkpoint_tree (session=0x3fff87d95bf0, is_checkpoint=true, cfg=0x3fff767fe688) at ../src/txn/txn_ckpt.c:1654 #15 0x00000000100e70b8 in __checkpoint_tree_helper (session=0x3fff87d95bf0, cfg=0x3fff767fe688) at ../src/txn/txn_ckpt.c:1778 #16 0x00000000100e2ec8 in __checkpoint_apply (session=0x3fff87d95bf0, cfg=0x3fff767fe688, op=0x100e7000 <__checkpoint_tree_helper>) at ../src/txn/txn_ckpt.c:218 #17 0x00000000100e4bf8 in __txn_checkpoint (session=0x3fff87d95bf0, cfg=0x3fff767fe688) at ../src/txn/txn_ckpt.c:922 #18 0x00000000100e562c in __txn_checkpoint_wrapper (session=0x3fff87d95bf0, cfg=0x3fff767fe688) at ../src/txn/txn_ckpt.c:1126 #19 0x00000000100e581c in __wt_txn_checkpoint (session=0x3fff87d95bf0, cfg=0x3fff767fe688, waiting=true) at ../src/txn/txn_ckpt.c:1190 #20 0x00000000100bf314 in __session_checkpoint (wt_session=0x3fff87d95bf0, config=0x0) at ../src/session/session_api.c:1980 #21 0x0000000010016534 in checkpoint (arg=0x0) at ../../../test/format/util.c:571 #22 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #23 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 8 (Thread 0x3fff8755f1b0 (LWP 33909)): #0 0x00003fff8832dfb4 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib64/power8/libpthread.so.0 #1 0x000000001007891c in __wt_cond_wait_signal (session=0x3fff87d92770, cond=0x10005c95980, usecs=10000, run_func=0x0, signalled=0x3fff8755e5f0) at ../src/os_posix/os_mtx_cond.c:122 #2 0x000000001004a104 in __wt_cond_wait (session=0x3fff87d92770, cond=0x10005c95980, usecs=10000, run_func=0x0) at ../src/include/misc.i:19 #3 0x000000001004fdbc in __evict_lru_pages (session=0x3fff87d92770, is_server=false) at ../src/evict/evict_lru.c:1182 #4 0x000000001004da8c in __wt_evict_thread_run (session=0x3fff87d92770, thread=0x10005c95ab0) at ../src/evict/evict_lru.c:318 #5 0x00000000100d8cf8 in __thread_run (arg=0x10005c95ab0) at ../src/support/thread_group.c:31 #6 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #7 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 7 (Thread 0x3fff74fff1b0 (LWP 33932)): #0 0x00003fff88332cd4 in pread () from /lib64/power8/libpthread.so.0 #1 0x000000001007658c in __posix_file_read (file_handle=0x10005cf2540, wt_session=0x3fff87d94610, offset=325165056, len=512, buf=0x3fff646bb200) at ../src/os_posix/os_fs.c:442 #2 0x00000000101f6dc0 in __wt_read (session=0x3fff87d94610, fh=0x10005c69460, offset=325165056, len=512, buf=0x3fff646bb200) at ../src/include/os_fhandle.i:114 #3 0x00000000101f7d24 in __wt_block_read_off (session=0x3fff87d94610, block=0x10005cf1e10, buf=0x3fff64315e10, offset=325165056, size=512, checksum=2770082105) at ../src/block/block_read.c:255 #4 0x00000000101f74a4 in __wt_bm_read (bm=0x10005c81690, session=0x3fff87d94610, buf=0x3fff64315e10, addr=0x3fff64147d1d "\343\t\220\217\201\344\245\033\370\371`\212\343\t\220\220\201\344\277\177\"U\240\212\343\t\220\221\201\344\305{=\316`\212\343\t\220\222\201\344{1w\353\240\212\343\t\220\223\201\344\277Ma3`\212\343\t\220\224\201\344\064\334\034\354\240\212\343\t\220\225\201\344e\277\213\210`\212\343\t\220\226\201\344\016\067X\030\240\212\343\t\220\227\201\344\224-\205k`\212\343\t\220\230\201\344\266B\022\331\240\212\343\t\220\231\201\344\331P_\022\253\253\253\253\253\253\253\253\253\221", addr_size=10) at ../src/block/block_read.c:101 #5 0x0000000010114fac in __wt_bt_read (session=0x3fff87d94610, buf=0x3fff642003c8, addr=0x3fff64147d1d "\343\t\220\217\201\344\245\033\370\371`\212\343\t\220\2---Type to continue, or q to quit--- 20\201\344\277\177\"U\240\212\343\t\220\221\201\344\305{=\316`\212\343\t\220\222\201\344{1w\353\240\212\343\t\220\223\201\344\277Ma3`\212\343\t\220\224\201\344\064\334\034\354\240\212\343\t\220\225\201\344e\277\213\210`\212\343\t\220\226\201\344\016\067X\030\240\212\343\t\220\227\201\344\224-\205k`\212\343\t\220\230\201\344\266B\022\331\240\212\343\t\220\231\201\344\331P_\022\253\253\253\253\253\253\253\253\253\221", addr_size=10) at ../src/btree/bt_io.c:45 #6 0x00000000101189b4 in __ovfl_read (session=0x3fff87d94610, addr=0x3fff64147d1d "\343\t\220\217\201\344\245\033\370\371`\212\343\t\220\220\201\344\277\177\"U\240\212\343\t\220\221\201\344\305{=\316`\212\343\t\220\222\201\344{1w\353\240\212\343\t\220\223\201\344\277Ma3`\212\343\t\220\224\201\344\064\334\034\354\240\212\343\t\220\225\201\344e\277\213\210`\212\343\t\220\226\201\344\016\067X\030\240\212\343\t\220\227\201\344\224-\205k`\212\343\t\220\230\201\344\266B\022\331\240\212\343\t\220\231\201\344\331P_\022\253\253\253\253\253\253\253\253\253\221", addr_size=10, store=0x3fff642003c8) at ../src/btree/bt_ovfl.c:31 #7 0x0000000010118d50 in __wt_ovfl_read (session=0x3fff87d94610, page=0x3fff6456f160, unpack=0x3fff74ffbf18, store=0x3fff642003c8, decoded=0x3fff74ffbda8) at ../src/btree/bt_ovfl.c:85 #8 0x000000001020738c in __cell_data_ref (session=0x3fff87d94610, page=0x3fff6456f160, page_type=7, unpack=0x3fff74ffbf18, store=0x3fff642003c8) at ../src/include/cell.i:776 #9 0x00000000102074c8 in __wt_page_cell_data_ref (session=0x3fff87d94610, page=0x3fff6456f160, unpack=0x3fff74ffbf18, store=0x3fff642003c8) at ../src/include/cell.i:819 #10 0x000000001020abf4 in __cursor_row_slot_return (cbt=0x3fff642002a0, rip=0x3fff6456f1f8, upd=0x0) at ../src/include/cursor.i:468 #11 0x000000001020c200 in __cursor_row_prev (cbt=0x3fff642002a0, newpage=false) at ../src/btree/bt_curprev.c:523 #12 0x000000001020c724 in __wt_btcur_prev (cbt=0x3fff642002a0, truncating=false) at ../src/btree/bt_curprev.c:627 #13 0x0000000010188c74 in __curfile_prev (cursor=0x3fff642002a0) at ../src/cursor/cur_file.c:147 #14 0x000000001000edb8 in nextprev (tinfo=0x10005c84c00, cursor=0x3fff642002a0, next=false) at ../../../test/format/ops.c:1343 #15 0x000000001000df6c in ops (arg=0x10005c84c00) at ../../../test/format/ops.c:1085 #16 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #17 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 6 (Thread 0x3fff87d5f1b0 (LWP 33908)): #0 0x00003fff8832dfb4 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib64/power8/libpthread.so.0 #1 0x000000001007891c in __wt_cond_wait_signal (session=0x3fff87d92310, cond=0x10005c95980, usecs=10000, run_func=0x0, signalled=0x3fff87d5e5f0) at ../src/os_posix/os_mtx_cond.c:122 #2 0x000000001004a104 in __wt_cond_wait (session=0x3fff87d92310, cond=0x10005c95980, usecs=10000, run_func=0x0) at ../src/include/misc.i:19 #3 0x000000001004fdbc in __evict_lru_pages (session=0x3fff87d92310, is_server=false) at ../src/evict/evict_lru.c:1182 #4 0x000000001004da8c in __wt_evict_thread_run (session=0x3fff87d92310, thread=0x10005c95a40) at ../src/evict/evict_lru.c:318 #5 0x00000000100d8cf8 in __thread_run (arg=0x10005c95a40) at ../src/support/thread_group.c:31 #6 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #7 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 5 (Thread 0x3fff85d5f1b0 (LWP 33912)): #0 0x00003fff8832dfb4 in pthread_cond_timedwait@@GLIBC_2.17 () from /lib64/power8/libpthread.so.0 #1 0x000000001007891c in __wt_cond_wait_signal (session=0x3fff87d93490, cond=0x10005c95980, usecs=10000, run_func=0x0, signalled=0x3fff85d5e5f0) at ../src/os_posix/os_mtx_cond.c:122 #2 0x000000001004a104 in __wt_cond_wait (session=0x3fff87d93490, cond=0x10005c95980, usecs=10000, run_func=0x0) at ../src/include/misc.i:19 #3 0x000000001004fdbc in __evict_lru_pages (session=0x3fff87d93490, is_server=false) at ../src/evict/evict_lru.c:1182 #4 0x000000001004da8c in __wt_evict_thread_run (session=0x3fff87d93490, thread=0x10005cd71b0) at ../src/evict/evict_lru.c:318 #5 0x00000000100d8cf8 in __thread_run (arg=0x10005cd71b0) at ../src/support/thread_group.c:31 #6 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #7 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 4 (Thread 0x3fff84d5f1b0 (LWP 33935)): #0 0x00003fff88184c2c in sched_yield () from /lib64/power8/libc.so.6 #1 0x00000000100796c8 in __wt_yield () at ../src/os_posix/os_yield.c:27 #2 0x00000000100cdae0 in __wt_readlock (session=0x3fff87d964b0, l=0x10005ce9798) at ../src/support/mtx_rw.c:186 #3 0x0000000010118be8 in __wt_ovfl_read (session=0x3fff87d964b0, page=0x3fff48160d90, unpack=0x3fff84d5bf18, store=0x3fff48135188, decoded=0x3fff84d5bda8) at ../src/btree/bt_ovfl.c:73 #4 0x000000001020738c in __cell_data_ref (session=0x3fff87d964b0, page=0x3fff48160d90, page_type=7, unpack=0x3fff84d5bf18, store=0x3fff48135188) at ../src/include/cell.i:776 #5 0x00000000102074c8 in __wt_page_cell_data_ref (session=0x3fff87d964b0, page=0x3fff48160d90, unpack=0x3fff84d5bf18, store=0x3fff48135188) at ../src/include/cell.i:819 #6 0x000000001020abf4 in __cursor_row_slot_return (cbt=0x3fff48135060, rip=0x3fff48160df8, upd=0x0) at ../src/include/cursor.i:468 ---Type to continue, or q to quit--- #7 0x000000001020c200 in __cursor_row_prev (cbt=0x3fff48135060, newpage=false) at ../src/btree/bt_curprev.c:523 #8 0x000000001020c724 in __wt_btcur_prev (cbt=0x3fff48135060, truncating=false) at ../src/btree/bt_curprev.c:627 #9 0x0000000010188c74 in __curfile_prev (cursor=0x3fff48135060) at ../src/cursor/cur_file.c:147 #10 0x000000001000edb8 in nextprev (tinfo=0x10005ce9080, cursor=0x3fff48135060, next=false) at ../../../test/format/ops.c:1343 #11 0x000000001000df6c in ops (arg=0x10005ce9080) at ../../../test/format/ops.c:1085 #12 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #13 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 3 (Thread 0x3fff77fff1b0 (LWP 33936)): #0 0x00003fff88332cd4 in pread () from /lib64/power8/libpthread.so.0 #1 0x000000001007658c in __posix_file_read (file_handle=0x10005cf2540, wt_session=0x3fff87d96050, offset=1059598848, len=512, buf=0x3fff6052a400) at ../src/os_posix/os_fs.c:442 #2 0x00000000101f6dc0 in __wt_read (session=0x3fff87d96050, fh=0x10005c69460, offset=1059598848, len=512, buf=0x3fff6052a400) at ../src/include/os_fhandle.i:114 #3 0x00000000101f7d24 in __wt_block_read_off (session=0x3fff87d96050, block=0x10005cf1e10, buf=0x3fff60362190, offset=1059598848, size=512, checksum=4019355669) at ../src/block/block_read.c:255 #4 0x00000000101f74a4 in __wt_bm_read (bm=0x3fff542ca700, session=0x3fff87d96050, buf=0x3fff60362190, addr=0x3fff6010e98a "\343\037s\330\201\344\357\222_\325 \212\343!{\022\201\344\326p\302W`\212\343\037s\331\201\344\242\320\301~ \212\343!@\r\201\344\b\246\373\235`\212\343\037s\332\201\344,\365G\271 \212\343!\261\354\201\344;\213`>`\212\343\037s\333\201\344\351y[v \211\342!X\201\344\250x$\361`\212\343\037s\334\201\344\r\256\237\204 \212\343\034\341\070\201\344h\375E\354`\212\343\037s\335\201\344\327\346%\341 \212\343!@\017\201\344\306w\027\067`\212\343\037s\336\201\344\375\255\314[ \212\343\vzR\201\344\243\303L#`\212\343\037s\337\201\344\372\235\370\213 \212\343\003 O\201\344\027\376c\265`\212\343\037s\340\201\344o5\324"..., addr_size=10) at ../src/block/block_read.c:101 #5 0x0000000010114fac in __wt_bt_read (session=0x3fff87d96050, buf=0x3fff6019a7a0, addr=0x3fff6010e98a "\343\037s\330\201\344\357\222_\325 \212\343!{\022\201\344\326p\302W`\212\343\037s\331\201\344\242\320\301~ \212\343!@\r\201\344\b\246\373\235`\212\343\037s\332\201\344,\365G\271 \212\343!\261\354\201\344;\213`>`\212\343\037s\333\201\344\351y[v \211\342!X\201\344\250x$\361`\212\343\037s\334\201\344\r\256\237\204 \212\343\034\341\070\201\344h\375E\354`\212\343\037s\335\201\344\327\346%\341 \212\343!@\017\201\344\306w\027\067`\212\343\037s\336\201\344\375\255\314[ \212\343\vzR\201\344\243\303L#`\212\343\037s\337\201\344\372\235\370\213 \212\343\003 O\201\344\027\376c\265`\212\343\037s\340\201\344o5\324"..., addr_size=10) at ../src/btree/bt_io.c:45 #6 0x00000000101189b4 in __ovfl_read (session=0x3fff87d96050, addr=0x3fff6010e98a "\343\037s\330\201\344\357\222_\325 \212\343!{\022\201\344\326p\302W`\212\343\037s\331\201\344\242\320\301~ \212\343!@\r\201\344\b\246\373\235`\212\343\037s\332\201\344,\365G\271 \212\343!\261\354\201\344;\213`>`\212\343\037s\333\201\344\351y[v \211\342!X\201\344\250x$\361`\212\343\037s\334\201\344\r\256\237\204 \212\343\034\341\070\201\344h\375E\354`\212\343\037s\335\201\344\327\346%\341 \212\343!@\017\201\344\306w\027\067`\212\343\037s\336\201\344\375\255\314[ \212\343\vzR\201\344\243\303L#`\212\343\037s\337\201\344\372\235\370\213 \212\343\003 O\201\344\027\376c\265`\212\343\037s\340\201\344o5\324"..., addr_size=10, store=0x3fff6019a7a0) at ../src/btree/bt_ovfl.c:31 #7 0x0000000010118bc4 in __wt_ovfl_read (session=0x3fff87d96050, page=0x0, unpack=0x3fff77ffbad0, store=0x3fff6019a7a0, decoded=0x3fff77ffb978) at ../src/btree/bt_ovfl.c:61 #8 0x000000001011a338 in __cell_data_ref (session=0x3fff87d96050, page=0x0, page_type=6, unpack=0x3fff77ffbad0, store=0x3fff6019a7a0) at ../src/include/cell.i:769 #9 0x000000001011a52c in __wt_dsk_cell_data_ref (session=0x3fff87d96050, page_type=6, unpack=0x3fff77ffbad0, store=0x3fff6019a7a0) at ../src/include/cell.i:808 #10 0x000000001011bfc0 in __inmem_row_int (session=0x3fff87d96050, page=0x3fff600de000, sizep=0x3fff77ffbb78) at ../src/btree/bt_page.c:454 #11 0x000000001011b748 in __wt_page_inmem (session=0x3fff87d96050, ref=0x3fff60340e90, image=0x3fff6010e930, flags=2, pagep=0x3fff77ffbc90) at ../src/btree/bt_page.c:220 #12 0x00000000101252b0 in __page_read (session=0x3fff87d96050, ref=0x3fff60340e90, flags=3234) at ../src/btree/bt_read.c:467 #13 0x0000000010125afc in __wt_page_in_func (session=0x3fff87d96050, ref=0x3fff60340e90, flags=3234, file=0x1044e460 <__func__.14725> "__tree_walk_internal", line=510) at ../src/btree/bt_read.c:629 #14 0x000000001014f954 in __wt_page_swap_func (session=0x3fff87d96050, held=0x0, want=0x3fff60340e90, flags=3234, file=0x1044e460 <__func__.14725> "__tree_walk_internal", line=510) at ../src/include/btree.i:1693 #15 0x0000000010150824 in __tree_walk_internal (session=0x3fff87d96050, refp=0x3fff601c21c8, walkcntp=0x0, skip_func=0x0, func_cookie=0x0, flags=2178) at ../src/btree/bt_walk.c:509 #16 0x0000000010150b24 in __wt_tree_walk (session=0x3fff87d96050, refp=0x3fff601c21c8, flags=2176) at ../src/btree/bt_walk.c:580 #17 0x0000000010205b48 in __wt_btcur_next (cbt=0x3fff601c2050, truncating=false) at ../src/btree/bt_curnext.c:694 #18 0x00000000101880f0 in __curfile_next (cursor=0x3fff601c2050) at ../src/cursor/cur_file.c:96 ---Type to continue, or q to quit--- #19 0x000000001000ed90 in nextprev (tinfo=0x100075480a0, cursor=0x3fff601c2050, next=true) at ../../../test/format/ops.c:1343 #20 0x000000001000df6c in ops (arg=0x100075480a0) at ../../../test/format/ops.c:1085 #21 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #22 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 2 (Thread 0x3fff747ff1b0 (LWP 33931)): #0 0x00003fff88184c2c in sched_yield () from /lib64/power8/libc.so.6 #1 0x00000000100796c8 in __wt_yield () at ../src/os_posix/os_yield.c:27 #2 0x00000000100cdae0 in __wt_readlock (session=0x3fff87d941b0, l=0x10005ce9798) at ../src/support/mtx_rw.c:186 #3 0x000000001015a3ac in __wt_row_leaf_key_work (session=0x3fff87d941b0, page=0x3fff4c1eeb50, rip_arg=0x3fff4c1eebf0, keyb=0x3fff4c3261f0, instantiate=false) at ../src/btree/row_key.c:285 #4 0x0000000010203c50 in __cursor_row_slot_return (cbt=0x3fff4c325f40, rip=0x3fff4c1eebf0, upd=0x0) at ../src/include/cursor.i:446 #5 0x0000000010204ca4 in __cursor_row_next (cbt=0x3fff4c325f40, newpage=false) at ../src/btree/bt_curnext.c:364 #6 0x00000000102059f4 in __wt_btcur_next (cbt=0x3fff4c325f40, truncating=false) at ../src/btree/bt_curnext.c:661 #7 0x00000000101880f0 in __curfile_next (cursor=0x3fff4c325f40) at ../src/cursor/cur_file.c:96 #8 0x000000001000ed90 in nextprev (tinfo=0x10008ef1fb0, cursor=0x3fff4c325f40, next=true) at ../../../test/format/ops.c:1343 #9 0x000000001000df6c in ops (arg=0x10008ef1fb0) at ../../../test/format/ops.c:1085 #10 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #11 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6 Thread 1 (Thread 0x3fff75fff1b0 (LWP 33934)): #0 0x00000000102069dc in __wt_cell_type_raw (cell=0xababababababad0b) at ../src/include/cell.i:477 #1 0x0000000010206b94 in __wt_cell_unpack_safe (cell=0xababababababad0b, unpack=0x3fff75ffbdd8, start=0x0, end=0x0) at ../src/include/cell.i:586 #2 0x00000000102071d4 in __wt_cell_unpack (cell=0xababababababad0b, unpack=0x3fff75ffbdd8) at ../src/include/cell.i:736 #3 0x0000000010208b3c in __wt_row_leaf_value_cell (page=0x3fff5415ecc0, rip=0x3fff54188698, kpack=0x0, vpack=0x3fff75ffbf18) at ../src/include/btree.i:1049 #4 0x000000001020abd4 in __cursor_row_slot_return (cbt=0x3fff54079f60, rip=0x3fff54188698, upd=0x0) at ../src/include/cursor.i:467 #5 0x000000001020c200 in __cursor_row_prev (cbt=0x3fff54079f60, newpage=true) at ../src/btree/bt_curprev.c:523 #6 0x000000001020c724 in __wt_btcur_prev (cbt=0x3fff54079f60, truncating=false) at ../src/btree/bt_curprev.c:627 #7 0x0000000010188c74 in __curfile_prev (cursor=0x3fff54079f60) at ../src/cursor/cur_file.c:147 #8 0x000000001000edb8 in nextprev (tinfo=0x10005ce8f20, cursor=0x3fff54079f60, next=false) at ../../../test/format/ops.c:1343 #9 0x000000001000df6c in ops (arg=0x10005ce8f20) at ../../../test/format/ops.c:1085 #10 0x00003fff88328944 in start_thread () from /lib64/power8/libpthread.so.0 #11 0x00003fff881a7640 in clone () from /lib64/power8/libc.so.6