intermittent issue in wallet_txn_clone.py (Windows msvcrt) #34925

1. 
   fanquake commented at 12:33 pm on March 26, 2026: member

   https://github.com/bitcoin/bitcoin/actions/runs/23574242288/job/68644615008?pr=34923#step:10:212:

    0Excluding feature_unsupported_utxo_db.py
    1254/456 - wallet_txn_clone.py failed, Duration: 1 s
    2
    3stdout:
    42026-03-26T02:50:46.410257Z TestFramework (INFO): PRNG seed is: 1428661537895351689
    5
    62026-03-26T02:50:47.601355Z TestFramework (INFO): Initializing test directory D:\a\bitcoin\bitcoin\test_runner_₿_🏃_20260326_024205\wallet_txn_clone_199
    7
    8
    9
   10stderr:
   11
   12
   13Combine the logs and print the last 99999999 lines ...
   

2. maflcko added the label CI failed on Mar 26, 2026
3. 
   maflcko commented at 12:38 pm on March 26, 2026: member

   Your excerpt doesn’t include it, but It seems to mute after the msghand thread creation in bitcoind:

    0 node1 2026-03-26T02:50:47.892243Z [init] [noui.cpp:56] [noui_InitMessage] init message: Verifying blocks… 
    1 node1 2026-03-26T02:50:47.892263Z [init] [validation.cpp:4628] [VerifyDB] Verifying last 6 blocks at level 3 
    2 node1 2026-03-26T02:50:47.892293Z [init] [validation.cpp:4637] [VerifyDB] Verification progress: 0% 
    3 node1 2026-03-26T02:50:47.892706Z [init] [validation.cpp:4645] [VerifyDB] Verification progress: 16% 
    4 node1 2026-03-26T02:50:47.893030Z [init] [validation.cpp:4645] [VerifyDB] Verification progress: 33% 
    5 node1 2026-03-26T02:50:47.893338Z [init] [validation.cpp:4645] [VerifyDB] Verification progress: 50% 
    6 node1 2026-03-26T02:50:47.893698Z [init] [validation.cpp:4645] [VerifyDB] Verification progress: 66% 
    7 node1 2026-03-26T02:50:47.894033Z [init] [validation.cpp:4645] [VerifyDB] Verification progress: 83% 
    8 node1 2026-03-26T02:50:47.894362Z [init] [validation.cpp:4645] [VerifyDB] Verification progress: 99% 
    9 node1 2026-03-26T02:50:47.894384Z [init] [validation.cpp:4739] [VerifyDB] Verification: No coin database inconsistencies in last 6 blocks (6 transactions) 
   10 node1 2026-03-26T02:50:47.894425Z [init] [init.cpp:1414] [InitAndLoadChainstate] Block index and chainstate loaded 
   11 node1 2026-03-26T02:50:47.894490Z [init] [init.cpp:1949] [AppInitMain] Setting NODE_NETWORK in non-prune mode 
   12 node1 2026-03-26T02:50:47.894701Z [init] [init.cpp:2080] [AppInitMain] block tree size = 200 
   13 node1 2026-03-26T02:50:47.894725Z [init] [init.cpp:2093] [AppInitMain] nBestHeight = 199 
   14 node1 2026-03-26T02:50:47.894858Z [init] [net.cpp:3332] [BindListenPort] Bound to 127.0.0.1:13389 
   15 node1 2026-03-26T02:50:47.894903Z [init] [noui.cpp:56] [noui_InitMessage] init message: Starting network threads… 
   16 node1 2026-03-26T02:50:47.895016Z [init] [net.cpp:3528] [Start] DNS seeding disabled 
   17 node1 2026-03-26T02:50:47.895107Z [initload] [util/thread.cpp:20] [TraceThread] initload thread start 
   18 node1 2026-03-26T02:50:47.895180Z [initload] [node/mempool_persist.cpp:49] [LoadMempool] Failed to open mempool file. Continuing anyway. 
   19 node1 2026-03-26T02:50:47.895201Z [initload] [util/thread.cpp:22] [TraceThread] initload thread exit 
   20 node1 2026-03-26T02:50:47.895340Z [net] [util/thread.cpp:20] [TraceThread] net thread start 
   21 node1 2026-03-26T02:50:47.895406Z [addcon] [util/thread.cpp:20] [TraceThread] addcon thread start 
   22 node1 2026-03-26T02:50:47.895575Z [init] [noui.cpp:56] [noui_InitMessage] init message: Done loading 
   23 node1 2026-03-26T02:50:47.895720Z [msghand] [util/thread.cpp:20] [TraceThread] msghand thread start 
   24
   25(mute)
   

4. maflcko added the label Windows on Mar 26, 2026

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