Diagnosed failure

SubprocessServerTest.TestSlowSubprocessTimesOut: Unrecognized error type. Please see the error log for more information.

Full log

[==========] Running 11 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 11 tests from SubprocessServerTest
[ RUN      ] SubprocessServerTest.TestBasicCall
WARNING: Logging before InitGoogleLogging() is written to STDERR
I20260811 02:48:00.700668  1393 server.cc:273] Received an EOF from the subprocess
W20260811 02:48:00.700819  1372 server.cc:408] The subprocess has exited with status 9
I20260811 02:48:00.706744  1388 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:00.706791  1389 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:00.706758  1395 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:48:00.706920  1392 server.cc:366] get failed, inbound queue shut down: Aborted: 
[       OK ] SubprocessServerTest.TestBasicCall (1006 ms)
[ RUN      ] SubprocessServerTest.TestManyConcurrentCalls
I20260811 02:48:02.176476  1354 subprocess_server-test.cc:201] Sent 4000 requests in 0.798895016 seconds: 5006.9157021753153 req/s
I20260811 02:48:02.215523  1436 server.cc:273] Received an EOF from the subprocess
W20260811 02:48:02.215801  1414 server.cc:408] The subprocess has exited with status 9
I20260811 02:48:02.224718  1432 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:02.224684  1442 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:48:02.224710  1434 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:02.224705  1433 server.cc:366] get failed, inbound queue shut down: Aborted: 
[       OK ] SubprocessServerTest.TestManyConcurrentCalls (1517 ms)
[ RUN      ] SubprocessServerTest.TestTimeoutBeforeQueueing
I20260811 02:48:02.897300  1521 server.cc:273] Received an EOF from the subprocess
W20260811 02:48:02.897470  1500 server.cc:408] The subprocess has exited with status 9
I20260811 02:48:02.899418  1520 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:02.899410  1517 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:02.899426  1519 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:02.899402  1523 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:48:03.544219  1557 server.cc:273] Received an EOF from the subprocess
W20260811 02:48:03.544361  1529 server.cc:408] The subprocess has exited with status 9
I20260811 02:48:03.553678  1552 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:03.553678  1558 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:48:03.553725  1555 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:03.553725  1554 server.cc:366] get failed, inbound queue shut down: Aborted: 
[       OK ] SubprocessServerTest.TestTimeoutBeforeQueueing (1328 ms)
[ RUN      ] SubprocessServerTest.TestTimeoutWhileQueueingCalls
I20260811 02:48:04.233683  1583 server.cc:273] Received an EOF from the subprocess
W20260811 02:48:04.233860  1562 server.cc:408] The subprocess has exited with status 9
I20260811 02:48:04.236171  1584 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:48:04.236202  1578 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:04.236231  1580 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:04.236208  1582 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:06.678915  1609 server.cc:273] Received an EOF from the subprocess
W20260811 02:48:06.679168  1588 server.cc:408] The subprocess has exited with status 9
I20260811 02:48:06.687112  1605 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:06.687116  1610 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:48:06.687112  1606 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:06.687126  1608 server.cc:366] get failed, inbound queue shut down: Aborted: 
[       OK ] SubprocessServerTest.TestTimeoutWhileQueueingCalls (3133 ms)
[ RUN      ] SubprocessServerTest.TestSlowSubprocessTimesOut
I20260811 02:48:07.363338  2557 server.cc:273] Received an EOF from the subprocess
I20260811 02:48:07.363557  2555 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:07.363586  2554 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:07.363638  2556 server.cc:366] get failed, inbound queue shut down: Aborted: 
I20260811 02:48:07.363713  2558 server.cc:440] outbound queue shut down: Aborted: 
F20260811 02:48:07.363588  2532 server.cc:401] Check failed: _s.ok() Bad status: Runtime error: Unable to wait on child: No child processes (error 10)
*** Check failure stack trace: ***
*** Aborted at 1786416487 (unix time) try "date -d @1786416487" if you are using GNU date ***
PC: @                0x0 (unknown)
*** SIGABRT (@0x3e80000054a) received by PID 1354 (TID 0x7f2ce705e700) from PID 1354; stack trace: ***
    @     0x7f2ceba30a46 google::(anonymous namespace)::FailureSignalHandler() at ??:0
    @     0x7f2cea43d980 (unknown) at ??:0
    @     0x7f2cea078e87 gsignal at ??:0
    @     0x7f2cea07a7f1 abort at ??:0
    @     0x7f2ceba229ad google::LogMessage::Fail() at ??:0
    @     0x7f2ceba2588a google::LogMessage::SendToLog() at ??:0
    @     0x7f2ceba224de google::LogMessage::Flush() at ??:0
    @     0x7f2ceba23a19 google::LogMessageFatal::~LogMessageFatal() at ??:0
    @     0x7f2cee71cae5 kudu::subprocess::SubprocessServer::ExitCheckerThread() at ??:0
    @     0x7f2cee719b8b _ZZN4kudu10subprocess16SubprocessServer4InitEvENKUlvE0_clEv at ??:0
    @     0x7f2cee71d83a _ZNSt17_Function_handlerIFvvEZN4kudu10subprocess16SubprocessServer4InitEvEUlvE0_E9_M_invokeERKSt9_Any_data at ??:0
    @     0x7f2cee77f65a std::function<>::operator()() at ??:0
    @     0x7f2ced909512 kudu::Thread::SuperviseThread() at ??:0
    @     0x7f2cea4326db start_thread at ??:0
    @     0x7f2cea15b61f clone at ??:0