Task logger initialized (agent version '2026-05-27c' from Evergreen build revision '12b05b7c4b85cce781c74d6a0861e5dd34414797').
Starting task 'wiredtiger_disagg_amazon2023_disagg_stress_format_stress_test_disagg_switch_data_validation_2_54a17329e00c640216efa4e82e7c411b404e9148_26_06_02_06_13_06', execution 0.
Running pre-task commands.
Running command 'shell.exec' in function 'cleanup' (step 1 of 2) in block 'pre'.
Finished command 'shell.exec' in function 'cleanup' (step 1 of 2) in block 'pre' in 2.488678ms.
Running command 'expansions.update' in function 'setup environment' (step 2 of 2) in block 'pre'.
Finished command 'expansions.update' in function 'setup environment' (step 2 of 2) in block 'pre' in 42.577µs.
Finished running pre-task commands in 2.739457ms.
Running task commands.
Running command 'git.get_project' in function 'get project' (step 1 of 3).
Manifest loaded successfully.
Fetching source from git...
Commands are: set -o xtrace
chmod -R 755 wiredtiger
set -o errexit
rm -rf wiredtiger
set +o xtrace
echo "git clone https://x-access-token:<REDACTED:EVERGREEN_GENERATED_GITHUB_TOKEN>@github.com/wiredtiger/wiredtiger.git 'wiredtiger' --branch 'develop'"
git clone https://x-access-token:<REDACTED:EVERGREEN_GENERATED_GITHUB_TOKEN>@github.com/wiredtiger/wiredtiger.git 'wiredtiger' --branch 'develop'
set -o xtrace
cd wiredtiger
git reset --hard 54a17329e00c640216efa4e82e7c411b404e9148
git log --oneline -n 10
git clone https://x-access-token:<REDACTED:EVERGREEN_GENERATED_GITHUB_TOKEN>@github.com/wiredtiger/wiredtiger.git 'wiredtiger' --branch 'develop'
HEAD is now at 54a17329e0 WT-17721 Add reusable bounded wait_for_checkpoint_start test helper (#13948)
54a17329e0 WT-17721 Add reusable bounded wait_for_checkpoint_start test helper (#13948)
7a173e55c6 WT-17540 Compatibility tests for key_provider API version (#13949)
d9e8422977 WT-17724 format: use config_off_all to disable ops.truncate for all tables with prepare and precise checkpoint (#13951)
cfe84f295a WT-17600 Remove WT_SESSION_SKIP_CACHE_INCR: always increment cache inline in serial functions (#13934)
31d7556be9 WT-17706 Fix error handling in __wt_cache_config (#13940)
e26293892e WT-17719 Bound the poll loops in test_layered_checkpoint08 (#13946)
99c0e89cfc WT-17682 Fix s_fast to use git merge-base and skip unchanged scripts (#13924)
3c6944ed14 WT-17688 fix __live_restore_fh_read fast path to return on success (#13927)
028bf42c40 WT-17715 Fix ingest btree reconciliation assert on non-prunable fallback update (#13943)
3092851848 WT-16701 Add diagnostic assertions to trap saved-update misrouting in reconciliation (#13902)
Finished command 'git.get_project' in function 'get project' (step 1 of 3) in 9.676249513s.
Running command 'github.generate_token' in function 'compile wiredtiger' (step 2.1 of 3).
Requesting a GitHub dynamic access token with owner:wiredtiger, repository:automation-scripts, permissions:[Contents:read, Metadata:read]
Created a GitHub dynamic access token. The token has the following permissions: [Contents:read, Metadata:read]
Finished command 'github.generate_token' in function 'compile wiredtiger' (step 2.1 of 3) in 141.727236ms.
Running command 'shell.exec' in function 'compile wiredtiger' (step 2.2 of 3).
max_attempts=5
command="git clone https://x-access-token:<REDACTED:generated_token>@github.com/wiredtiger/automation-scripts.git"
if ! [ -d "./automation-scripts" ]; then
  for attempt in $(seq 1 $max_attempts); do
    echo "Attempt $attempt of $max_attempts cloning automation-scripts'"
    $command
    # Check the exit status of the command
    if [ $? -eq 0 ]; then
      echo "Clone succeeded on attempt $attempt."
      exit 0
    else
      if [ $attempt -eq $max_attempts ]; then
        echo "Clone failed after $max_attempts attempts."
        exit 1
      fi
    fi
    # Delay before reattempting the clone
    sleep 1
  done
fi
Attempt 1 of 5 cloning automation-scripts'
Clone succeeded on attempt 1.
Cloning into 'automation-scripts'...
Finished command 'shell.exec' in function 'compile wiredtiger' (step 2.2 of 3) in 335.204169ms.
Running command 'shell.exec' in function 'compile wiredtiger' (step 2.3 of 3).
Dump Environment
 eval ${which_declare} ) | /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot "$@"
BASH_FUNC_which%%=() {  ( alias;
CI=true
EVR_AGENT_PID=3476
EVR_TASK_ID=wiredtiger_disagg_amazon2023_disagg_stress_format_stress_test_disagg_switch_data_validation_2_54a17329e00c640216efa4e82e7c411b404e9148_26_06_02_06_13_06
GOCACHE=/data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/.gocache
GOTRACEBACK=none
HISTCONTROL=ignoredups
HISTSIZE=1000
HOME=/home/ec2-user
HOSTNAME=ip-10-122-51-243.ec2.internal
INVOCATION_ID=0fb629e255d145a2aceafb038127eeda
JASPER_ID=d6390a57-ab81-440c-af45-1fc048551dc6
JASPER_MANAGER=eb845b36-384f-4901-b6a3-ba4eaa76737a
JOURNAL_STREAM=8:23861
LANG=C.UTF-8
LC_ALL=C
LESSOPEN=||/usr/bin/lesspipe.sh %s
LOGNAME=ec2-user
MAIL=/var/spool/mail/ec2-user
PATH=/opt/mongodbtoolchain/v5/bin:/usr/sbin:/usr/sbin:/usr/sbin:/home/ec2-user/.local/bin:/home/ec2-user/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/node/bin:/opt/node/bin:/opt/node/bin
PWD=/data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger
SHELL=/bin/bash
SHLVL=1
SYSTEMD_COLORS=false
SYSTEMD_EXEC_PID=3375
S_COLORS=auto
TEMP=/data/mci/cb98a4e9338bc7673fdbac183b851270/tmp
TMP=/data/mci/cb98a4e9338bc7673fdbac183b851270/tmp
TMPDIR=/data/mci/cb98a4e9338bc7673fdbac183b851270/tmp
USER=ec2-user
_=/usr/bin/printenv
s3_access_key=<REDACTED:s3_access_key>
s3_bucket_tcmalloc=s3://boxes.10gen.com
s3_secret_key=<REDACTED:s3_secret_key>
which_declare=declare -f
}
Using config flags    -DCMAKE_INSTALL_PREFIX=/data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/cmake_build/LOCAL_INSTALL                                                -DENABLE_COLORIZE_OUTPUT=0
SWIG version  is earlier than 4.0.0. Installing a newer version 4.2.1 ...
Collecting swig==4.2.1
  Downloading swig-4.2.1-py2.py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl (1.9 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.9/1.9 MB 66.1 MB/s eta 0:00:00
test/evergreen/ensure_swig_version.sh: line 15: swig: command not found
WARNING: You are using pip version 22.0.4; however, version 26.1.2 is available.
You should consider upgrading via the '/data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/venv/bin/python3 -m pip install --upgrade pip' command.
Installing collected packages: swig
Successfully installed swig-4.2.1
SWIG Version 4.2.1
Compiled with /opt/rh/devtoolset-10/root/usr/bin/c++ [Linux]
Configured options: +pcre
Please see https://www.swig.org for reporting bugs and further information
Attempting to download prebuilt tcmalloc: s3://boxes.10gen.com/build/wt_prebuilt_tcmalloc/mongo-20240522/tcmalloc-mongo-20240522-amazon2023-disagg-stress.tgz
Find CMake
==========================================================
CMake and CTest environment variables, paths and versions:
CMAKE: /opt/mongodbtoolchain/v5/bin/cmake
CTEST: /opt/mongodbtoolchain/v5/bin/ctest
/opt/mongodbtoolchain/v5/bin/cmake
/opt/mongodbtoolchain/v5/bin/ctest
cmake version 3.21.2
CMake suite maintained and supported by Kitware (kitware.com/cmake).
ctest version 3.21.2
CMake suite maintained and supported by Kitware (kitware.com/cmake).
==========================================================
Remove the cmake_build directory, if it already exists
Create a new cmake_build directory
Calling CMake with command:
/opt/mongodbtoolchain/v5/bin/cmake --preset linux-gcc -DCMAKE_INSTALL_PREFIX=/data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/cmake_build/LOCAL_INSTALL -DENABLE_COLORIZE_OUTPUT=0 -G Ninja ./..
Preset CMake variables:
  CMAKE_CXX_COMPILER="/opt/mongodbtoolchain/v5/bin/g++"
  CMAKE_C_COMPILER="/opt/mongodbtoolchain/v5/bin/gcc"
Preset environment variables:
  MONGODBTOOLCHAIN_BIN="/opt/mongodbtoolchain/v5/bin"
-- The C compiler identification is GNU 14.2.0
-- The CXX compiler identification is GNU 14.2.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /opt/mongodbtoolchain/v5/bin/gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /opt/mongodbtoolchain/v5/bin/g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test HAVE_BUILD_ASan_C_FLAGS
-- Performing Test HAVE_BUILD_ASan_C_FLAGS - Failed
-- Performing Test HAVE_BUILD_UBSan_C_FLAGS
-- Performing Test HAVE_BUILD_UBSan_C_FLAGS - Success
-- Performing Test HAVE_BUILD_UBSan_CXX_FLAGS
-- Performing Test HAVE_BUILD_UBSan_CXX_FLAGS - Success
-- Performing Test HAVE_BUILD_TSan_C_FLAGS
-- Performing Test HAVE_BUILD_TSan_C_FLAGS - Failed
-- Performing Test HAVE_BUILD_Coverage_C_FLAGS
-- Performing Test HAVE_BUILD_Coverage_C_FLAGS - Success
-- Performing Test HAVE_BUILD_Coverage_CXX_FLAGS
-- Performing Test HAVE_BUILD_Coverage_CXX_FLAGS - Success
-- Using ccache: /opt/mongodbtoolchain/v5/bin/ccache
-- Performing Test HAVE_RCPC
-- Performing Test HAVE_RCPC - Success
-- Performing Test has_moutline_atomics
-- Performing Test has_moutline_atomics - Success
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Looking for library lz4
-- Looking for library lz4 - found
-- Looking for library snappy
-- Looking for library snappy - found
-- Looking for library z
-- Looking for library z - found
-- Looking for library zstd
-- Looking for library zstd - found
-- Looking for library sodium
-- Looking for library sodium - not found
-- Looking for library qpl
-- Looking for library qpl - not found
-- Looking for library accel-config
-- Looking for library accel-config - not found
-- Looking for library memkind
-- Looking for library memkind - not found
-- Looking for librar

[1780387310:549082][8781:0xffff2adbdbc0], t, file:T00001.wt, WT_CURSOR.reset: [WT_VERB_DEFAULT][ERROR]: __err_cell_type, 1024: illegal cell and page type combination: cell 0 on page at [reconcile-image] is a value_ovfl_rm cell on a row-store leaf page
[1780387310:549107][8781:0xffff2adbdbc0], t, file:T00001.wt, WT_CURSOR.reset: [WT_VERB_DEFAULT][ERROR]: __rec_split_write, 2644: WiredTiger assertion failed: 'verify_image == 0 || __wt_verify_dsk_image(session, "[reconcile-image]", chunk->image.data, 0, verify_addr, 0x2u) == 0'. Expression returned false
[1780387310:549111][8781:0xffff2adbdbc0], t, file:T00001.wt, WT_CURSOR.reset: [WT_VERB_DEFAULT][ERROR]: __wt_abort, 29: aborting WiredTiger library
[1780387310:549116][8781:0xffff2adbdbc0], t, file:T00001.wt, WT_CURSOR.reset: [WT_VERB_ERROR_RETURNS][ERROR]: __verify_dsk_row_leaf, 594: Error at src/btree/bt_vrfy_dsk.c:594: "__err_cell_type(unpack->raw, vi)" failed: WT_ERROR: non-specific WiredTiger error

bash: line 67:  8781 Aborted                 (core dumped) ./t -c ../../../test/format/CONFIG.disagg disagg.mode=switch ops.verify=1 runs.mirror=1 table1.runs.source=table table1.disagg.enabled=0 runs.timer=5:10 ops.prepare=1
 Iteration 2/5
t: process 8781 running
======= FAILURE ==========
############################################
#  RUN PARAMETERS: V3
############################################
assert.read_timestamp=0
background_compact=0
background_compact.free_space_target=60
backup=0
backup.incremental=off
backup.incr_granularity=1981
backup.live_restore=1
backup.live_restore_read_size=4096
backup.live_restore_threads=4
block_cache=0
block_cache.cache_on_checkpoint=0
block_cache.cache_on_writes=0
block_cache.size=93
cache=3072
cache.evict_max=3
cache.eviction_dirty_target=0
cache.eviction_dirty_trigger=0
cache.eviction_updates_target=0
cache.eviction_updates_trigger=0
cache.minimum=0
cache.maximum=0
checkpoint=on
checkpoint.log_size=48
checkpoint.wait=21
checkpoint_threads=1
compact.free_space_target=2
debug.background_compact=0
debug.checkpoint_retention=7
debug.cursor_reposition=0
debug.disagg_slow_truncate_follower=1
debug.eviction=0
debug.log_retention=0
debug.realloc_exact=0
debug.realloc_malloc=0
debug.slow_checkpoint=0
debug.slow_truncate=0
debug.table_logging=0
debug.update_restore_evict=0
disagg.internal_page_delta=1
disagg.leaf_page_delta=1
disagg.multi=0
disagg.multi_validation=0
disagg.enabled=1
disagg.layered=1
disagg.mode=switch
disagg.page_log=palite
disagg.key_provider=0
disagg.page_log.verbose=0
disagg.drain_threads=9
disagg.preserve=0
disk.data_extend=0
disk.encryption=none
disk.mmap=0
disk.mmap_all=0
eviction.evict_use_softptr=0
file_manager.close_handle_minimum=27
file_manager.close_idle_time=60
file_manager.close_scan_interval=1
format.abort=0
format.independent_thread_rng=1
format.major_timeout=0
import=0
logging=0
logging.compression=none
logging.file_max=373133
logging.prealloc=0
logging.remove=1
obsolete_cleanup.method=off
obsolete_cleanup.wait=3505
ops.alter=0
ops.compaction=0
ops.hs_cursor=0
ops.bound_cursor=0
ops.prepare=1
ops.reserve=13
ops.random_cursor=0
ops.salvage=0
ops.throttle=0
ops.throttle.sleep_us=275335
ops.verify=1
prefetch=1
prefetch.default=0
precise_checkpoint=1
preserve_prepared=1
quiet=1
random.data_seed=9268842
random.extra_seed=4436535
rollback_to_stable_threads=11
runs.in_memory=0
runs.mirror=1
runs.ops=0
runs.predictable_replay=0
runs.source=layered
runs.tables=3
runs.threads=25
runs.timer=6
runs.type=row-store
runs.verify_failure_dump=0
statistics.mode=fast
statistics_log.sources=off
stress.aggressive_stash_free=0
stress.aggressive_sweep=0
stress.checkpoint=0
stress.checkpoint_evict_page=0
stress.checkpoint_prepare=0
stress.compact_slow=0
stress.evict_reposition=0
stress.failpoint_eviction_split=0
stress.failpoint_hs_delete_key_from_ts=0
stress.failpoint_rec_before_wrapup=0
stress.hs_checkpoint_delay=0
stress.hs_search=0
stress.hs_sweep=0
stress.prefetch_delay=0
stress.prepare_resolution_1=0
stress.sleep_before_read_overflow_onpage=0
stress.split_1=0
stress.split_2=0
stress.split_3=0
stress.split_4=0
stress.split_5=0
stress.split_6=0
stress.split_7=0
stress.split_8=0
tiered_storage.flush_frequency=0
tiered_storage.storage_source=off
transaction.implicit=0
transaction.operation_timeout_ms=2000
transaction.timestamps=1
wiredtiger.config=off
wiredtiger.rwlock=0
wiredtiger.leak_memory=0
############################################
#  TABLE PARAMETERS: table 1
############################################
table1.btree.compression=none
table1.btree.dictionary=0
table1.btree.internal_key_truncation=0
table1.btree.internal_page_max=11
table1.btree.key_max=124
table1.btree.key_min=25
table1.btree.leaf_page_max=9
table1.btree.memory_page_max=3
table1.btree.prefix_len=0
table1.btree.prefix_compression=0
table1.btree.prefix_compression_min=1
table1.btree.reverse=0
table1.btree.split_pct=92
table1.btree.value_max=3622
table1.btree.value_min=13
table1.disagg.enabled=0
table1.disk.checksum=off
table1.disk.firstfit=0
table1.ops.pareto=0
table1.ops.pareto.skew=27
table1.ops.pct.delete=2
table1.ops.pct.insert=0
table1.ops.pct.modify=0
table1.ops.pct.read=28
table1.ops.pct.write=70
table1.ops.truncate=0
table1.runs.rows=467260
table1.runs.source=table
############################################
#  TABLE PARAMETERS: table 2
############################################
table2.btree.compression=none
table2.btree.dictionary=0
table2.btree.internal_key_truncation=1
table2.btree.internal_page_max=13
table2.btree.key_max=55
table2.btree.key_min=25
table2.btree.leaf_page_max=10
table2.btree.memory_page_max=7
table2.btree.prefix_len=0
table2.btree.prefix_compression=1
table2.btree.prefix_compression_min=3
table2.btree.reverse=0
table2.btree.split_pct=88
table2.btree.value_max=1062
table2.btree.value_min=6
table2.disk.checksum=unencrypted
table2.disk.firstfit=0
table2.ops.pareto=1
table2.ops.pareto.skew=98
table2.ops.pct.delete=28
table2.ops.pct.insert=55
table2.ops.pct.modify=4
table2.ops.pct.read=6
table2.ops.pct.write=7
table2.ops.truncate=0
table2.runs.rows=467260
############################################
#  TABLE PARAMETERS: table 3
############################################
table3.btree.compression=none
table3.btree.dictionary=0
table3.btree.internal_key_truncation=1
table3.btree.internal_page_max=15
table3.btree.key_max=106
table3.btree.key_min=23
table3.btree.leaf_page_max=10
table3.btree.memory_page_max=4
table3.btree.prefix_len=0
table3.btree.prefix_compression=1
table3.btree.prefix_compression_min=8
table3.btree.reverse=0
table3.btree.split_pct=62
table3.btree.value_max=2271
table3.btree.value_min=20
table3.disk.checksum=on
table3.disk.firstfit=0
table3.ops.pareto=0
table3.ops.pareto.skew=6
table3.ops.pct.delete=48
table3.ops.pct.insert=4
table3.ops.pct.modify=24
table3.ops.pct.read=12
table3.ops.pct.write=12
table3.ops.truncate=0
table3.runs.rows=467260
Command 'shell.exec' in function 'format test disagg' (step 3 of 3) failed: shell script encountered problem: exit code 1.
Finished command 'shell.exec' in function 'format test disagg' (step 3 of 3) in 27m48.934779612s.
Running task commands failed: running command: command failed: shell script encountered problem: exit code 1
Finished running task commands in 28m52.917694211s.
Task completed - FAILURE.
Running post-task commands.

#0  0x0000ffffb7ac4454 in __pthread_kill_implementation () from /lib64/libc.so.6
#0  0x0000ffffb7ac4454 in __pthread_kill_implementation () from /lib64/libc.so.6
#1  0x0000ffffb7a7b320 [PAC] in raise () from /lib64/libc.so.6
#2  0x0000ffffb7a62224 [PAC] in abort () from /lib64/libc.so.6
#3  0x0000ffffb7e4ed70 [PAC] in __wt_abort (session=session@entry=0x722c93598000) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/os_common/os_abort.c:32
#4  0x0000ffffb7ea0688 in __rec_split_write (session=session@entry=0x722c93598000, r=r@entry=0x722c0649f200, chunk=0x722c0649f270, last_block=last_block@entry=true) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/reconcile/rec_write.c:2644
#5  0x0000ffffb7ea13b4 in __wti_rec_split_finish (session=session@entry=0x722c93598000, r=r@entry=0x722c0649f200) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/reconcile/rec_write.c:1725
#6  0x0000ffffb7e87680 in __wti_rec_row_leaf (session=session@entry=0x722c93598000, r=r@entry=0x722c0649f200, pageref=pageref@entry=0x722c3dc21900, salvage=salvage@entry=0x0) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/reconcile/rec_row.c:1416
#7  0x0000ffffb7e9e574 in __reconcile (session=session@entry=0x722c93598000, ref=ref@entry=0x722c3dc21900, salvage=salvage@entry=0x0, flags=flags@entry=2722, page_lockedp=page_lockedp@entry=0xffff2adbbf6f) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/reconcile/rec_write.c:316
#8  0x0000ffffb7e9d6a8 in __wt_reconcile (session=session@entry=0x722c93598000, ref=ref@entry=0x722c3dc21900, salvage=salvage@entry=0x0, flags=flags@entry=2722) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/reconcile/rec_write.c:127
#9  0x0000ffffb7e00764 in __evict_reconcile (session=session@entry=0x722c93598000, ref=ref@entry=0x722c3dc21900, evict_flags=evict_flags@entry=4) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/evict/evict_page.c:1280
#10 0x0000ffffb7e02a00 in __wt_evict (session=session@entry=0x722c93598000, ref=ref@entry=0x722c3dc21900, previous_state=previous_state@entry=3 '\003', flags=flags@entry=4) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/evict/evict_page.c:443
#11 0x0000ffffb7cd310c in __wt_page_release_evict (session=session@entry=0x722c93598000, ref=0x722c3dc21900, flags=flags@entry=0) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/btree/bt_read.c:141
#12 0x0000ffffb7c92c18 in __cursor_reset (cbt=cbt@entry=0x722d3f9ff200) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/include/cursor_inline.h:307
#13 0x0000ffffb7c9376c in __wt_btcur_reset (cbt=cbt@entry=0x722d3f9ff200) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/btree/bt_cursor.c:575
#14 0x0000ffffb7d9e258 in __curfile_reset (cursor=0x722d3f9ff200) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/src/cursor/cur_file.c:281
#15 0x0000000000415838 in table_op (tinfo=tinfo@entry=0x722c3220ee00, intxn=intxn@entry=true, iso_level=iso_level@entry=ISOLATION_SNAPSHOT, op=<optimized out>, op@entry=MODIFY) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/test/format/ops.c:971
#16 0x00000000004169e8 in ops (arg=0x722c3220ee00) at /data/mci/cb98a4e9338bc7673fdbac183b851270/wiredtiger/test/format/ops.c:1307
#17 0x0000ffffb7ac2834 in start_thread () from /lib64/libc.so.6
#18 0x0000ffffb7a66e5c [PAC] in thread_start () from /lib64/libc.so.6