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Type: Build Failure
Resolution: Unresolved
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
Component/s: Reconciliation, Transactions
Labels:
- BB-Tools

Assigned Teams:

Storage Engines, Storage Engines - Transactions
Total Hours with Assigned Team:
14.536
Sprint:
SE Transactions - 2026-05-22
Story Points:
5
Evergreen Project:
- wiredtiger
Failure Type:
- failed
Failing Buildvariants:
- amazon2023-arm64
Failing Tasks:
- format-failure-configs-test
First Failing Revision:
- db111869f5a9902725107eb568c73720830d19ad(wiredtiger)
Linked BFG List:
https://buildbaron.corp.mongodb.com/ui/#/bf/WT-17576
Count of Linked BFGs (Last 30 days):
1

format-failure-configs-test on amazon2023-arm64

Host: i-01cbb73382ab011ba
Project: wiredtiger
Commit: db111869
Please refer to BF(G) Playbook for instructions on handling BF and BFG tickets as well as Auto-Resolution Rules

Task Logs:

task format-failure-configs-test

format-failure-configs-test task_log

Logs:

CONFIG.WT-17321: [1779156470:035700][4308:0xffff980cdbc0], t, file:T00001.wt, WT_CURSOR.reset: [WT_VERB_DEFAULT][ERROR]: __rec_upd_select, 920: WiredTiger assertion failed: '!((((r)->flags) & (0x020u)) != 0) || prepare_rollback_tombstone != ((void *)0) || upd->next != ((void *)0) || ((vpack != ((void *)0) && vpack->type != (4 << 4)) && !(((&vpack->tw)->start_prepared_id != 0 || (&vpack->tw)->start_prepare_ts != 0) || ((&vpack->tw)->stop_prepared_id != 0 || (&vpack->tw)->stop_prepare_ts != 0)))'. leaked prepared update.
CONFIG.WT-17321: [1779156470:035729][4308:0xffff980cdbc0], t, file:T00001.wt, WT_CURSOR.reset: [WT_VERB_DEFAULT][ERROR]: __wt_abort, 29: aborting WiredTiger library

format-failure-configs-test task_log

Logs:

./run_format_configs.sh: line 40:  4270 Segmentation fault      ./t -1 -c $config -h WT_TEST_$basename_config > $log 2>&1

format-failure-configs-test task_log

Logs:

CONFIG.WT-17043: t: aborting to test recovery

format-failure-configs-test task_log

Logs:

CONFIG.WT-9792: [1779156634:534609][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156644:534828][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156654:535013][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156664:535192][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156674:535369][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156684:535548][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156694:535727][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156704:540739][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy
CONFIG.WT-9792: [1779156734:541074][11515:0xffff8198dbc0], t, file:F00001, WT_SESSION.compact: [WT_VERB_DEFAULT][ERROR]: __wt_block_compact_start, 24: Foreground compaction already happening on data handle F00001 by session 38: Device or resource busy

format-failure-configs-test task_log

Logs:

#0  0x0000ffffa1ec4454 in __pthread_kill_implementation () from /lib64/libc.so.6
#0  0x0000ffffa1ec4454 in __pthread_kill_implementation () from /lib64/libc.so.6
#1  0x0000ffffa1e7b320 [PAC] in raise () from /lib64/libc.so.6
#2  0x0000ffffa1e62224 [PAC] in abort () from /lib64/libc.so.6
#3  0x0000ffffa224bddc [PAC] in __wt_abort (session=session@entry=0x3258bfc98000) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/os_common/os_abort.c:32
#4  0x0000ffffa22895e4 in __rec_upd_select (session=session@entry=0x3258bfc98000, r=r@entry=0x3258af7fb200, vpack=vpack@entry=0x0, first_upd=first_upd@entry=0x3258ac49ff80, upd_select=upd_select@entry=0xffff980caf90, first_txn_updp=first_txn_updp@entry=0xffff980cab18, has_newer_updatesp=has_newer_updatesp@entry=0xffff980cab0f, write_prepare=write_prepare@entry=0xffff980cab0e, upd_memsizep=upd_memsizep@entry=0xffff980cab10) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/reconcile/rec_visibility.c:920
#5  0x0000ffffa228cef0 in __wti_rec_upd_select (session=session@entry=0x3258bfc98000, r=r@entry=0x3258af7fb200, ins=ins@entry=0x3258a7016d00, rip=rip@entry=0x0, vpack=vpack@entry=0x0, upd_select=upd_select@entry=0xffff980caf90) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/reconcile/rec_visibility.c:1548
#6  0x0000ffffa227fb48 in __rec_row_leaf_insert (session=session@entry=0x3258bfc98000, r=r@entry=0x3258af7fb200, ins=0x3258a7016d00) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/reconcile/rec_row.c:897
#7  0x0000ffffa2283334 in __wti_rec_row_leaf (session=session@entry=0x3258bfc98000, r=r@entry=0x3258af7fb200, pageref=pageref@entry=0x3258a5a44280, salvage=salvage@entry=0x0) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/reconcile/rec_row.c:1406
#8  0x0000ffffa2299f30 in __reconcile (session=session@entry=0x3258bfc98000, ref=ref@entry=0x3258a5a44280, salvage=salvage@entry=0x0, flags=flags@entry=2722, page_lockedp=page_lockedp@entry=0xffff980cbf6f) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/reconcile/rec_write.c:316
#9  0x0000ffffa2299064 in __wt_reconcile (session=session@entry=0x3258bfc98000, ref=ref@entry=0x3258a5a44280, salvage=salvage@entry=0x0, flags=flags@entry=2722) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/reconcile/rec_write.c:127
#10 0x0000ffffa21fd5ac in __evict_reconcile (session=session@entry=0x3258bfc98000, ref=ref@entry=0x3258a5a44280, evict_flags=evict_flags@entry=4) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/evict/evict_page.c:1280
#11 0x0000ffffa21ff848 in __wt_evict (session=session@entry=0x3258bfc98000, ref=ref@entry=0x3258a5a44280, previous_state=previous_state@entry=3 '\003', flags=flags@entry=4) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/evict/evict_page.c:443
#12 0x0000ffffa20cfe48 in __wt_page_release_evict (session=session@entry=0x3258bfc98000, ref=0x3258a5a44280, flags=flags@entry=0) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/btree/bt_read.c:141
#13 0x0000ffffa20911e8 in __cursor_reset (cbt=cbt@entry=0x3258a7580000) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/include/cursor_inline.h:307
#14 0x0000ffffa2091d3c in __wt_btcur_reset (cbt=cbt@entry=0x3258a7580000) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/btree/bt_cursor.c:575
#15 0x0000ffffa2197f70 in __curfile_reset (cursor=0x3258a7580000) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/src/cursor/cur_file.c:273
#16 0x00000000004157ac in table_op (tinfo=tinfo@entry=0x3258b0f53c00, intxn=intxn@entry=true, iso_level=iso_level@entry=ISOLATION_SNAPSHOT, op=<optimized out>, op@entry=READ) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/test/format/ops.c:971
#17 0x0000000000416b18 in ops (arg=0x3258b0f53c00) at /data/mci/388dd96b3e3d744b0a8d0d830304b106/wiredtiger/test/format/ops.c:1347
#18 0x0000ffffa1ec2834 in start_thread () from /lib64/libc.so.6
#19 0x0000ffffa1e66e5c [PAC] in thread_start () from /lib64/libc.so.6

is related to

WT-17043 Data race involving importing transaction snapshots

Closed

WT-9792 Fix RTS to remove globally visible update of the data store update from the history store

Closed

WT-17321 Leaked prepared update during eviction reconciliation

Closed

Assignee:: Chenhao Qu
Reporter:: xgen-buildbaron-user
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: May 19 2026 03:16:15 PM UTC
Updated:: May 20 2026 04:52:47 AM UTC