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Type:
Build Failure
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Resolution: Fixed
-
Priority:
Critical - P2
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Affects Version/s: None
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Component/s: Cursors, Disagg CI-blocker
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Storage Engines - Transactions
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SE Transactions - 2026-04-24
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5
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8
format-stress-test-disagg-switch-3 on amazon2023-disagg-stress
Host: i-0e1b61b57ea0f3c96
Project: wiredtiger-disagg
Commit: 42b23db3
Please refer to BF(G) Playbook for instructions on handling BF and BFG tickets as well as Auto-Resolution Rules
Task Logs:
format-stress-test-disagg-switch-3 task_log
Logs:
Task logger initialized (agent version '2026-04-15b' from Evergreen build revision '16e97676a2de47b3c6016006969a416f5a3d8d8f').
Starting task 'wiredtiger_disagg_amazon2023_disagg_stress_format_stress_test_disagg_switch_3_42b23db3d89842c23cf8af3ed0bf9621e2dc4e32_26_04_20_07_42_07', 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 2.311052ms.
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 33.843µs.
Finished running pre-task commands in 2.529467ms.
Running task commands.
Running command 's3.get' in function 'fetch artifacts' (step 1 of 2).
Fetching remote file 'wiredtiger/amazon2023-disagg-stress/42b23db3d89842c23cf8af3ed0bf9621e2dc4e32/artifacts/compile_wiredtiger_disagg_amazon2023_disagg_stress_42b23db3d89842c23cf8af3ed0bf9621e2dc4e32_26_04_20_07_42_07.tgz' from S3 bucket 'build_external' (attempt 1 of 5).
Finished command 's3.get' in function 'fetch artifacts' (step 1 of 2) in 14.696203133s.
Running command 'shell.exec' in function 'format test disagg' (step 2 of 2).
export WT_TOPDIR=$(git rev-parse --show-toplevel)
export WT_BUILDDIR=$WT_TOPDIR/cmake_build
if [ "$OS" = "Windows_NT" ]; then
export PATH=/cygdrive/c/python/Python311:/cygdrive/c/python/Python311/Scripts:$PATH
else
export PATH=/opt/mongodbtoolchain/v5/bin:$PATH
export LD_LIBRARY_PATH=$WT_BUILDDIR
fi
# Create the common sanitizer options and export the specific sanitizer environment
# variables.
COMMON_SAN_OPTIONS="abort_on_error=1:disable_coredump=0"
if [[ "" =~ ASan ]]; then
export ASAN_OPTIONS="$COMMON_SAN_OPTIONS:unmap_shadow_on_exit=1"
export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$(dirname $(/opt/mongodbtoolchain/v5/bin/clang -print-file-name=libclang_rt.asan.so))"
export TESTUTIL_BYPASS_ASAN=1
elif [[ "" =~ MSan ]]; then
export MSAN_OPTIONS="$COMMON_SAN_OPTIONS:verbosity=3"
export TESTUTIL_MSAN=1
elif [[ "" =~ TSan ]]; then
export TSAN_OPTIONS="$COMMON_SAN_OPTIONS:verbosity=3"
export TESTUTIL_TSAN=1
elif [[ "" =~ UBSan ]]; then
export UBSAN_OPTIONS="$COMMON_SAN_OPTIONS:print_stacktrace=1"
export TESTUTIL_UBSAN=1
fi
if [[ 1 -eq 1 ]]; then
# The preloaded library should be downloaded/built during "configure wiredtiger" step.
# DO NOT MOVE:This variable must be set in the same function(shell) that runs a test,
# and as close as possible to the test execution, since it affects all the binaries.
export LD_PRELOAD=$WT_TOPDIR/TCMALLOC_LIB/libtcmalloc.so
if [ ! -f "$LD_PRELOAD" ]; then
echo "Error: TCMalloc support was requested, but the library doesn't exist: $LD_PRELOAD"
exit 1
fi
fi
# Set extensions to load
EXT="extensions=["
EXT="$EXT ext/compressors/snappy/libwiredtiger_snappy.so,"
EXT="$EXT ext/collators/reverse/libwiredtiger_reverse_collator.so,"
EXT="$EXT ext/encryptors/rotn/libwiredtiger_rotn.so,"
EXT="$EXT ext/page_log/palite/libwiredtiger_palite.so,"
EXT="$EXT ]"
export EXT
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=3587
EVR_TASK_ID=wiredtiger_disagg_amazon2023_disagg_stress_format_stress_test_disagg_switch_3_42b23db3d89842c23cf8af3ed0bf9621e2dc4e32_26_04_20_07_42_07
EXT=extensions=[ ext/compressors/snappy/libwiredtiger_snappy.so, ext/collators/reverse/libwiredtiger_reverse_collator.so, ext/encryptors/rotn/libwiredtiger_rotn.so, ext/page_log/palite/libwiredtiger_palite.so, ]
GOCACHE=/data/mci/5d77c019facfb495935817deb7b8e499/wiredtiger/cmake_build/test/format/.gocache
GOTRACEBACK=none
HISTCONTROL=ignoredups
HISTSIZE=1000
HOME=/home/ec2-user
HOSTNAME=ip-10-122-50-201.ec2.internal
INVOCATION_ID=b90dba6d2e984fa99b20a3a7884cb3b7
JASPER_ID=d0148439-ff56-4e5f-b4d3-f4de1b296f9c
JASPER_MANAGER=66c654dd-6956-4d3a-b2f1-7f0c3cdf6531
JOURNAL_STREAM=8:16735
LANG=C.UTF-8
LC_ALL=C
LD_LIBRARY_PATH=/data/mci/5d77c019facfb495935817deb7b8e499/wiredtiger/cmake_build
LD_PRELOAD=/data/mci/5d77c019facfb495935817deb7b8e499/wiredtiger/TCMALLOC_LIB/libtcmalloc.so
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/5d77c019facfb495935817deb7b8e499/wiredtiger/cmake_build/test/format
SHELL=/bin/bash
SHLVL=1
SYSTEMD_COLORS=false
SYSTEMD_EXEC_PID=3364
S_COLORS=auto
TEMP=/data/mci/5d77c019facfb495935817deb7b8e499/tmp
TMP=/data/mci/5d77c019facfb495935817deb7b8e499/tmp
TMPDIR=/data/mci/5d77c019facfb495935817deb7b8e499/tmp
USER=ec2-user
WT_BUILDDIR=/data/mci/5d77c019facfb495935817deb7b8e499/wiredtiger/cmake_build
WT_TOPDIR=/data/mci/5d77c019facfb495935817deb7b8e499/wiredtiger
_=/usr/bin/printenv
which_declare=declare -f
}
echo "Dump Environment"
printenv | sort
# Fail, show the configuration file.
fail() {
echo "======= FAILURE =========="
[ -f RUNDIR/CONFIG ] && cat RUNDIR/CONFIG
exit 1
}
for i in $(seq 5); do
echo Iteration $i/5
rm -rf RUNDIR
./t -c ../../../test/format/CONFIG.disagg disagg.mode=switch runs.timer=10:15 || fail
if [ true = true ]; then
./t -R $format_args || fail
fi
done
format-stress-test-disagg-switch-3 task_log
Logs:
[1776675598:790800][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_DEFAULT][ERROR]: __layered_assert_tombstone_has_value_on_stable_btree, 57: WiredTiger assertion failed: 'has_value || __wt_txn_upd_visible_all(session, last_upd)'. No corresponding value exists on the stable table to delete [1776675598:790823][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_DEFAULT][ERROR]: __wt_abort, 29: aborting WiredTiger library [1776675598:790830][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __cursors_can_be_cached, 922: Error at src/cursor/cur_std.c:922: "__wt_config_gets(session, cfg, "force", &cval)" failed: WT_NOTFOUND: item not found [1776675598:790836][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __wt_cursor_cache_get, 1063: Error at src/cursor/cur_std.c:1063: "__cursors_can_be_cached(session, cfg, &cacheable)" failed: WT_NOTFOUND: item not found [1776675598:790839][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __cursors_can_be_cached, 922: Error at src/cursor/cur_std.c:922: "__wt_config_gets(session, cfg, "force", &cval)" failed: WT_NOTFOUND: item not found [1776675598:790841][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __wt_cursor_cache_get, 1063: Error at src/cursor/cur_std.c:1063: "__cursors_can_be_cached(session, cfg, &cacheable)" failed: WT_NOTFOUND: item not found [1776675598:790843][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790846][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790848][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790849][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790851][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790853][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790855][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790857][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790858][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790860][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790862][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790864][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790865][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790870][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790871][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790873][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790875][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790877][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found [1776675598:790878][3858:0xffff85dddbc0], t, file:T00002.wt_stable, disagg-drain: [WT_VERB_ERROR_RETURNS][ERROR]: __curversion_next_single_key, 405: Error at src/cursor/cur_version.c:405: "WT_NOTFOUND" failed: WT_NOTFOUND: item not found
format-stress-test-disagg-switch-3 task_log
Logs:
bash: line 65: 3858 Aborted (core dumped) ./t -c ../../../test/format/CONFIG.disagg disagg.mode=switch runs.timer=10:15 Iteration 1/5 t: process 3858 running ======= FAILURE ========== ############################################ # RUN PARAMETERS: V3 ############################################ assert.read_timestamp=0 background_compact=0 background_compact.free_space_target=33 backup=0 backup.incremental=off backup.incr_granularity=16338 backup.live_restore=0 backup.live_restore_read_size=4096 backup.live_restore_threads=12 block_cache=0 block_cache.cache_on_checkpoint=0 block_cache.cache_on_writes=1 block_cache.size=32 btree.reverse=0 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=153 checkpoint.wait=28 compact.free_space_target=9 debug.background_compact=0 debug.checkpoint_retention=5 debug.cursor_reposition=0 debug.eviction=0 debug.log_retention=0 debug.realloc_exact=0 debug.realloc_malloc=0 debug.slow_checkpoint=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=1 disagg.page_log.verbose=0 disagg.drain_threads=13 disagg.preserve=0 disk.data_extend=0 disk.encryption=none disk.mmap=1 disk.mmap_all=0 eviction.evict_use_softptr=0 file_manager.close_handle_minimum=8 file_manager.close_idle_time=31 file_manager.close_scan_interval=29 format.abort=0 format.independent_thread_rng=1 format.major_timeout=0 import=0 logging=0 logging.compression=none logging.file_max=361863 logging.prealloc=1 logging.remove=0 obsolete_cleanup.method=off obsolete_cleanup.wait=132 ops.alter=0 ops.compaction=0 ops.hs_cursor=1 ops.pct.modify=0 ops.bound_cursor=0 ops.prepare=1 ops.reserve=6 ops.random_cursor=0 ops.salvage=0 ops.throttle=0 ops.throttle.sleep_us=589447 ops.verify=1 prefetch=0 precise_checkpoint=1 preserve_prepared=1 quiet=1 random.data_seed=12778241 random.extra_seed=10302772 rollback_to_stable_threads=1 runs.in_memory=0 runs.ops=0 runs.predictable_replay=0 runs.source=layered runs.tables=3 runs.threads=21 runs.timer=10 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=1 wiredtiger.leak_memory=0 ############################################ # TABLE PARAMETERS: table 1 ############################################ table1.btree.compression=none table1.btree.dictionary=0 table1.btree.internal_key_truncation=1 table1.btree.internal_page_max=17 table1.btree.key_max=25 table1.btree.key_min=22 table1.btree.leaf_page_max=9 table1.btree.memory_page_max=8 table1.btree.prefix_len=0 table1.btree.prefix_compression=0 table1.btree.prefix_compression_min=3 table1.btree.split_pct=90 table1.btree.value_max=1647 table1.btree.value_min=14 table1.disk.checksum=unencrypted table1.disk.firstfit=0 table1.ops.pareto=0 table1.ops.pareto.skew=40 table1.ops.pct.delete=8 table1.ops.pct.insert=78 table1.ops.pct.read=13 table1.ops.pct.write=1 table1.ops.truncate=1 table1.runs.mirror=0 table1.runs.rows=687042 ############################################ # TABLE PARAMETERS: table 2 ############################################ table2.btree.compression=none table2.btree.dictionary=1 table2.btree.internal_key_truncation=1 table2.btree.internal_page_max=16 table2.btree.key_max=107 table2.btree.key_min=32 table2.btree.leaf_page_max=12 table2.btree.memory_page_max=4 table2.btree.prefix_len=0 table2.btree.prefix_compression=1 table2.btree.prefix_compression_min=0 table2.btree.split_pct=86 table2.btree.value_max=2005 table2.btree.value_min=20 table2.disk.checksum=off table2.disk.firstfit=0 table2.ops.pareto=0 table2.ops.pareto.skew=18 table2.ops.pct.delete=86 table2.ops.pct.insert=3 table2.ops.pct.read=1 table2.ops.pct.write=10 table2.ops.truncate=1 table2.runs.mirror=0 table2.runs.rows=574174 ############################################ # TABLE PARAMETERS: table 3 ############################################ table3.btree.compression=none table3.btree.dictionary=0 table3.btree.internal_key_truncation=1 table3.btree.internal_page_max=12 table3.btree.key_max=122 table3.btree.key_min=31 table3.btree.leaf_page_max=11 table3.btree.memory_page_max=5 table3.btree.prefix_len=0 table3.btree.prefix_compression=1 table3.btree.prefix_compression_min=5 table3.btree.split_pct=66 table3.btree.value_max=2941 table3.btree.value_min=7 table3.disk.checksum=off table3.disk.firstfit=0 table3.ops.pareto=0 table3.ops.pareto.skew=83 table3.ops.pct.delete=0 table3.ops.pct.insert=0 table3.ops.pct.read=100 table3.ops.pct.write=0 table3.ops.truncate=1 table3.runs.mirror=0 table3.runs.rows=794669 Command 'shell.exec' in function 'format test disagg' (step 2 of 2) failed: shell script encountered problem: exit code 1. Finished command 'shell.exec' in function 'format test disagg' (step 2 of 2) in 18.622948789s. Running task commands failed: running command: command failed: shell script encountered problem: exit code 1 Finished running task commands in 33.319455165s. Task completed - FAILURE. Running post-task commands.
format-stress-test-disagg-switch-3 task_log
Logs:
#0 0x0000ffff978c4454 in __pthread_kill_implementation () from /lib64/libc.so.6 #0 0x0000ffff978c4454 in __pthread_kill_implementation () from /lib64/libc.so.6 #1 0x0000ffff9787b320 [PAC] in raise () from /lib64/libc.so.6 #2 0x0000ffff97862224 [PAC] in abort () from /lib64/libc.so.6 #3 0x0000ffff97c3bd48 [PAC] in __wt_abort (session=session@entry=0x50d7ffca44b8) at /data/mci/8e58d4802551c76a643be73de7aa7b35/wiredtiger/src/os_common/os_abort.c:32 #4 0x0000ffff97b57330 in __layered_assert_tombstone_has_value_on_stable_btree (session=session@entry=0x50d7ffca44b8, cbt=cbt@entry=0x50d7e2fd5400, last_upd=last_upd@entry=0x50d7c13a3380) at /data/mci/8e58d4802551c76a643be73de7aa7b35/wiredtiger/src/conn/conn_layered_ingest.c:57 #5 0x0000ffff97b573a4 in __layered_move_updates (session=session@entry=0x50d7ffca44b8, cbt=cbt@entry=0x50d7e2fd5400, key=0x50d7d8c34240, upds=<optimized out>, last_upd=last_upd@entry=0x50d7c13a3380) at /data/mci/8e58d4802551c76a643be73de7aa7b35/wiredtiger/src/conn/conn_layered_ingest.c:82 #6 0x0000ffff97b57f4c in __layered_copy_ingest_table (session=session@entry=0x50d7ffca44b8, entry=<optimized out>) at /data/mci/8e58d4802551c76a643be73de7aa7b35/wiredtiger/src/conn/conn_layered_ingest.c:284 #7 0x0000ffff97b58e10 in __layered_drain_worker_run (session=0x50d7ffca44b8, ctx=<optimized out>) at /data/mci/8e58d4802551c76a643be73de7aa7b35/wiredtiger/src/conn/conn_layered_ingest.c:439 #8 0x0000ffff97cfe874 in __thread_run (arg=0x50d7db953770) at /data/mci/8e58d4802551c76a643be73de7aa7b35/wiredtiger/src/support/thread_group.c:32 #9 0x0000ffff978c2834 in start_thread () from /lib64/libc.so.6 #10 0x0000ffff97866e5c [PAC] in thread_start () from /lib64/libc.so.6