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

Assigned Teams:

Storage Engines, Storage Engines - Transactions
Sprint:
SE Foundations - 2025-09-26
Story Points:
5
Evergreen Project:
- wiredtiger
Failure Type:
- failed
Failing Buildvariants:
- rhel80
Failing Tasks:
- unit-test-zstd
First Failing Revision:
- a2f96de5ca63471dbb50a09d555a1fb473c2af07(wiredtiger)
Linked BFG List:
https://buildbaron.corp.mongodb.com/ui/#/bf/WT-15325
Count of Linked BFGs (Last 30 days):
1

Host: i-00fe3ea4ec7f2c614
Project: wiredtiger
Commit: a2f96de5
Please refer to BF(G) Playbook for instructions on handling BF and BFG tickets as well as Auto-Resolution Rules

Task Logs:

task unit-test-zstd

unit-test-zstd task_log

Logs:

[pid:6932]: ERROR: test_prepare20.test_prepare20.test_prepare20(integer-row.2-21.nocommit)
----------------------------------------------------------------------
[pid:6932]: testtools.testresult.real._StringException: lost connection during test 'test_prepare20.test_prepare20.test_prepare20(integer-row.2-21.nocommit)'
----------------------------------------------------------------------
Ran 12653 tests in 4085.105s

logs

unit-test-zstd task_log

Logs:

#0  0x00007f9f14aa093f in raise () from /lib64/libc.so.6
#0  0x00007f9f14aa093f in raise () from /lib64/libc.so.6
#1  0x00007f9f14a8ac95 in abort () from /lib64/libc.so.6
#2  0x00007f9f13d2cf40 in __wt_abort (session=session@entry=0x8431bc0) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/os_common/os_abort.c:31
#3  0x00007f9f13dea812 in __txn_resolve_prepared_op (session=session@entry=0x8431bc0, op=op@entry=0xeeb68b0, commit=commit@entry=false, cursorp=cursorp@entry=0x7ffd86347c68) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/txn/txn.c:1241
#4  0x00007f9f13deaf57 in __wt_txn_rollback (session=session@entry=0x8431bc0, cfg=cfg@entry=0x7ffd86347cc0, api_call=api_call@entry=true) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/txn/txn.c:2131
#5  0x00007f9f13d9ff7e in __session_rollback_transaction (wt_session=0x8431bc0, config=<optimized out>) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/session/session_api.c:1969
#6  0x00007f9f13c5dffd in __conn_rollback_transaction_callback (session=<optimized out>, array_session=<optimized out>, exit_walkp=<optimized out>, cookiep=<optimized out>) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/conn/conn_api.c:1091
#7  0x00007f9f13dad5aa in __wt_session_array_walk (session=0x842a360, walk_func=walk_func@entry=0x7f9f13c5dfd2 <__conn_rollback_transaction_callback>, skip_internal=skip_internal@entry=true, cookiep=cookiep@entry=0x0) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/session/session_helper.c:59
#8  0x00007f9f13c65999 in __conn_close (wt_conn=0x83a3480, config=<optimized out>) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/src/conn/conn_api.c:1180
#9  0x00007f9f15e180a3 in _wrap_Connection_close (self=<optimized out>, args=<optimized out>) at /data/mci/e3c89f2cb41a816a313dd48a3b09e39d/wiredtiger/cmake_build/lang/python/CMakeFiles/wiredtiger_python.dir/wiredtigerPYTHON_wrap.c:8656
#10 0x00007f9f15b3c038 in cfunction_call (func=0x7f9f1456ad90, args=<optimized out>, kwargs=<optimized out>) at ../src/Python-3.10.4/Objects/stringlib/pycore_bitutils.h:552
#11 0x00007f9f15b496ec in _PyObject_Call (tstate=0x21d0df0, callable=0x7f9f1456ad90, callable@entry=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, args=0x7f9f10993480, args@entry=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, kwargs=<optimized out>) at ../src/Python-3.10.4/Include/abstract.h:305
#12 PyObject_Call (callable=0x7f9f1456ad90, args=0x7f9f10993480, kwargs=<optimized out>) at ../src/Python-3.10.4/Include/abstract.h:317
#13 0x00007f9f15b315d2 in do_call_core (tstate=<optimized out>, trace_info=0x7ffd86348800, func=0x7f9f1456ad90, callargs=0x7f9f10993480, kwdict=0x0) at ../src/Python-3.10.4/Modules/ceval_gil.h:5891
#14 _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7f9f1169c5b0, throwflag=<optimized out>) at ../src/Python-3.10.4/Modules/ceval_gil.h:4277
#15 0x00007f9f15b3c4d5 in _PyEval_EvalFrame (tstate=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, f=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, throwflag=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../src/Python-3.10.4/Modules/ceval_gil.h:5052
#16 _PyEval_Vector (tstate=0x21d0df0, tstate@entry=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, con=0x7f9f1457d400, locals=0x0, locals@entry=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, args=<optimized out>, args@entry=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, argcount=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, kwnames=<optimized out>, kwnames@entry=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../src/Python-3.10.4/Modules/ceval_gil.h:5065
#17 _PyFunction_Vectorcall (func=0x7f9f1457d3f0, stack=<optimized out>, nargsf=<optimized out>, kwnames=<optimized out>) at ../src/Python-3.10.4/Include/abstract.h:342
#18 0x00007f9f15b2bd91 in _PyObject_VectorcallTstate (tstate=0x21d0df0, callable=0x7f9f1457d3f0, args=0x7f9f116a41b8, nargsf=<optimized out>, kwnames=0x0) at ../src/Python-3.10.4/Objects/stringlib/pycore_pyerrors.h:123
#19 PyObject_Vectorcall (callable=0x7f9f1457d3f0, args=0x7f9f116a41b8, nargsf=<optimized out>, kwnames=0x0) at ../src/Python-3.10.4/Objects/stringlib/pycore_pyerrors.h:123
#20 call_function (tstate=<optimized out>, trace_info=0x7ffd86348a00, pp_stack=<synthetic pointer>, oparg=<optimized out>, kwnames=0x0) at ../src/Python-3.10.4/Modules/ceval_gil.h:5867
#21 _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7f9f116a4040, throwflag=<optimized out>) at ../src/Python-3.10.4/Modules/ceval_gil.h:4198
#22 0x00007f9f15b48cca in _PyEval_EvalFrame (tstate=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, f=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>, throwflag=<error reading variable: dwarf2_find_location_expression: Corrupted DWARF expression.>) at ../src/Python-3.10.4/Modules/ceval_gil.h:5052
#23 _PyEval_Vector (tstate=0x21d0df0, con=0x7f9f145f8dd0, locals=0x0, args=0x7f9f116a56d8, argcount=<optimized out>, kwnames=<optimized out>) at ../src/Python-3.10.4/Modules/ceval_gil.h:5065
#24 _PyFunction_Vectorcall (func=0x7f9f145f8dc0, stack=0x7f9f116a56d8, nargsf=<optimized out>, kwnames=<optimized out>) at ../src/Python-3.10.4/Include/abstract.h:342
#25 _PyObject_VectorcallTstate (tstate=0x21d0df0, callable=0x7f9f145f8dc0, args=0x7f9f116a56d8, nargsf=<optimized out>, kwnames=<optimized out>) at ../src/Python-3.10.4/Objects/stringlib/pycore_pyerrors.h:114
#26 method_vectorcall (method=<optimized out>, args=0x7f9f116a56e0, nargsf=<optimized out>, kwnames=<optimized out>) at ../src/Python-3.10.4/Python/bytearrayobject.c:53
#27 0x00007f9f15b2c802 in _PyObject_VectorcallTstate (tstate=0x21d0df0, callable=0x7f9f05eb4740, args=0x7f9f116a56e0, nargsf=<optimized out>, kwnames=0x0) at ../src/Python-3.10.4/Objects/stringlib/pycore_pyerrors.h:123
#28 PyObject_Vectorcall (callable=0x7f9f05eb4740, args=0x7f9f116a56e0, nargsf=<optimized out>, kwnames=0x0) at ../src/Python-3.10.4/Objects/stringlib/pycore_pyerrors.h:123
#29 call_function (tstate=<optimized out>, trace_info=0x7ffd86348c60, pp_stack=<synthetic pointer>, oparg=<optimized out>, kwnames=0x0) at ../src/Python-3.10.4/Modules/ceval_gil.h:5867

logs

unit-test-zstd task_log

Logs:

[1756450166:097818][6935:0x7f9f15f9f740], test_prepare20.test_prepare20.test_prepare20(integer-row.2-21.nocommit), file:prepare20data, WT_SESSION.rollback_transaction: [WT_VERB_DEFAULT][ERROR]: __txn_resolve_prepared_op, 1241: WiredTiger assertion failed: '((((((WT_CONNECTION_IMPL *)((WT_SESSION_IMPL *)(session))->iface.connection))->flags) & (0x0100u)) != 0)'. Expression returned false
[1756450166:097848][6935:0x7f9f15f9f740], test_prepare20.test_prepare20.test_prepare20(integer-row.2-21.nocommit), file:prepare20data, WT_SESSION.rollback_transaction: [WT_VERB_DEFAULT][ERROR]: __wt_abort, 29: aborting WiredTiger library

logs

Assignee:: [DO NOT USE] Backlog - Storage Engines Team
Reporter:: xgen-buildbaron-user
Votes:: 0 Vote for this issue
Watchers:: 1 Start watching this issue

Created:: Aug 31 2025 11:01:26 PM UTC
Updated:: Sep 01 2025 11:12:36 PM UTC

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