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Type:
Bug
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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: Disagg CI-blocker
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Storage Engines, Storage Engines - Transactions
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SE Transactions - 2025-09-12
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5
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2
We are experiencing the following test failure with disagg enabled:
[1756400991:998413][63286:0x7bb40be37740], file:table2.wt_stable, close_ckpt: [WT_VERB_DEFAULT][ERROR]: int __time_value_validate_parent(WT_SESSION_IMPL *, WT_TIME_WINDOW *, WT_TIME_AGGREGATE *, _Bool), 424: value time window has a start time before its parent's oldest start time; time window start: (0, 0)/(0, 0)/(0, 0)/0/0 | stop: (0, 0)/(4294967295, 4294967295)/(0, 0)/0/18446744073709551605, parent newest_durable: (0, 21535)/(0, 0) | oldest_start: (0, 4843)/11 | newest_stop: (4294967295, 4294967295)/18446744073709551605: Invalid argument [1756400991:998453][63286:0x7bb40be37740], file:table2.wt_stable, close_ckpt: [WT_VERB_DEFAULT][ERROR]: int __verify_dsk_value_validity(WT_CELL_UNPACK_KV *, WT_VERIFY_INFO *), 255: cell 4294967295 on page at [reconcile-image] failed timestamp validation: Invalid argument [1756400991:998458][63286:0x7bb40be37740], file:table2.wt_stable, close_ckpt: [WT_VERB_DEFAULT][ERROR]: int __rec_split_write(WT_SESSION_IMPL *, WTI_RECONCILE *, WTI_REC_CHUNK *, _Bool), 2932: WiredTiger assertion failed: 'verify_image == 0 || __wt_verify_dsk_image(session, "[reconcile-image]", chunk->image.data, 0, &multi->addr, 0x2u) == 0'. Expression returned false [1756400991:998469][63286:0x7bb40be37740], file:table2.wt_stable, close_ckpt: [WT_VERB_DEFAULT][ERROR]: void __wt_abort(WT_SESSION_IMPL *), 29: aborting WiredTiger library Failed to run the workload in WiredTiger: The workload process was terminated with signal 6
It can be reproduced with the following test/model workload:
config("database", "disaggregated=true") create_table(2, "table2", "Q", "Q") begin_transaction(4) insert(2, 4, 203392, 370921) commit_transaction(4, 4843, 0) begin_transaction(14) insert(2, 14, 777202, 503158) insert(2, 14, 583955, 602817) insert(2, 14, 554387, 105478) insert(2, 14, 783202, 895932) insert(2, 14, 999910, 27303) insert(2, 14, 716435, 97498) commit_transaction(14, 18977, 0) begin_transaction(19) insert(2, 19, 3556, 854833) insert(2, 19, 773158, 930810) insert(2, 19, 178863, 131014) insert(2, 19, 923384, 195844) commit_transaction(19, 21535, 0) set_stable_timestamp(22973) checkpoint() begin_transaction(50) set_oldest_timestamp(5410) insert(2, 50, 750571, 41971) commit_transaction(50, 72344, 0)
It is possible that this is related to WT-14565.
- causes
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WT-15360 failed: model-test-failure-workloads on ubuntu2004 [wiredtiger @ 4135ee25]
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- Closed
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- is duplicated by
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WT-14565 Fix test/format for disagg: "value time window has a start time before its parent's oldest start time"
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- Closed
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- is related to
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WT-14565 Fix test/format for disagg: "value time window has a start time before its parent's oldest start time"
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- Closed
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WT-15315 Add 8.2 into the compatibility tests
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- Closed
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WT-15353 Skip test_cc05.py in disagg as named checkpoints are not supported
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- Closed
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WT-15354 Re-enable several checkpoint cleanup Python tests for disagg
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- Closed
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WT-15359 Simplify the obsolete check logic
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- Closed
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WT-15351 Fix memory leak in __wt_disagg_advance_checkpoint
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- Closed
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- related to
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WT-15086 Eviction thread panic during connection close with disagg enabled
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- Closed
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WT-15204 test_cc02.py fails with AssertionError: 1 != 0 (obsolete_on_disk mismatch)
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- Closed
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WT-15205 test_cc09.py fails with AssertionError: Checkpoint cleanup did not read anything
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- Closed
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WT-15239 Set durable timestamp during recovery in disagg
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- Closed
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WT-15210 Change eviction to scrub eviction when the cache usage is less than eviction target
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- Closed
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WT-14836 Add support for unclean shutdown in compatibility tests
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- Closed
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WT-15360 failed: model-test-failure-workloads on ubuntu2004 [wiredtiger @ 4135ee25]
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- Closed
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