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Type:
Build Failure
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Btree, Transactions
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Storage Engines - Transactions
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27.398
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SE Transactions - 2026-08-28
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3
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1
format-stress-test-disagg-multi-1 on amazon2023-arm64-release-nonstandalone
Host: i-00fa5fc106a9e0cf6
Project: wiredtiger
Commit: 691d656d
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-multi-1 task_log
Logs:
bash: line 67: 50502 Segmentation fault (core dumped) ./t -c ../../../test/format/CONFIG.disagg disagg.multi=1 runs.predictable_replay=1 ops.verify=1 disagg.multi_validation=1 runs.ops=1000000:2000000 ops.truncate=0
format-stress-test-disagg-multi-1 task_log
Logs:
#0 __wt_txn_read_upd_list_internal (session=0x53febfc95580, cbt=0x53feb3a72300, upd=0xa8007801000270, prepare_updp=prepare_updp@entry=0x0, restored_updp=restored_updp@entry=0x0) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/include/txn_inline.h:1587 #0 __wt_txn_read_upd_list_internal (session=0x53febfc95580, cbt=0x53feb3a72300, upd=0xa8007801000270, prepare_updp=prepare_updp@entry=0x0, restored_updp=restored_updp@entry=0x0) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/include/txn_inline.h:1587 #1 0x0000ffffa22899c4 in __wt_txn_read_upd_list (session=<optimized out>, cbt=<optimized out>, upd=<optimized out>) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/include/txn_inline.h:1696 #2 __cursor_row_prev (cbt=<optimized out>, newpage=<optimized out>, restart=<optimized out>, skippedp=<synthetic pointer>, key_out_of_boundsp=0xffff8858cd4e) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/btree/bt_curprev.c:466 #3 __wt_btcur_prev (cbt=cbt@entry=0x53feb3a72300, truncating=truncating@entry=false) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/btree/bt_curprev.c:650 #4 0x0000ffffa2375750 in __curfile_prev (cursor=0x53feb3a72300) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_file.c:253 #5 0x0000ffffa238fff8 in __clayered_constituent_iter (constituent=0x53feb3a72300, forward=false) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_layered.c:1661 #6 __clayered_constituent_iter_helper (op=op@entry=0xffff8858cf48, constituent=constituent@entry=0x53feb3a72300, forward=forward@entry=false) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_layered.c:1674 #7 0x0000ffffa2390394 in __clayered_iterate_constituents (op=0xffff8858cf48, iter_flag=4) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_layered.c:1899 #8 __clayered_iterate_int (op=op@entry=0xffff8858cf48, iter_flag=iter_flag@entry=4) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_layered.c:1926 #9 0x0000ffffa239e9b8 in __clayered_iterate (clayered=clayered@entry=0x53feb9a30d80, iter_flag=iter_flag@entry=4) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_layered.c:1955 #10 0x0000ffffa239ec38 in __clayered_prev (cursor=0x53feb9a30d80) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/src/cursor/cur_layered.c:2020 #11 0x0000000000414a10 in read_op (cursor=0x53feb9a30d80, op=PREV, exactp=0x0) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/test/format/format_inline.h:48 #12 nextprev (tinfo=0x53feb9034380, next=false) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/test/format/ops.c:1840 #13 table_op (tinfo=tinfo@entry=0x53feb9034380, intxn=intxn@entry=true, iso_level=iso_level@entry=ISOLATION_SNAPSHOT, op=<optimized out>, op@entry=UPDATE) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/test/format/ops.c:1061 #14 0x00000000004184a0 in ops (arg=0x53feb9034380) at /data/mci/4bbd65f012ae31ba749e029854101d55/wiredtiger/test/format/ops.c:1448 #15 0x0000ffffa26c2834 in start_thread () from /lib64/libc.so.6 #16 0x0000ffffa2666e5c [PAC] in thread_start () from /lib64/libc.so.6
Repro Artifacts: