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TDirectory::RegisterGDirectory is MT unsafe #8931

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Axel-Naumann opened this issue Aug 30, 2021 · 0 comments · Fixed by #8924 or #8929
Closed

TDirectory::RegisterGDirectory is MT unsafe #8931

Axel-Naumann opened this issue Aug 30, 2021 · 0 comments · Fixed by #8924 or #8929
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@Axel-Naumann
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affects:master affects:6.24 bug in:I/O priority:critical
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Fixed in 6.26/00 Fixed in 6.24/06

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@Axel-Naumann
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ALICE has reported regular crashes due to MT unsafe access in TDirectory::RegisterGDirectory. Example backtrace:


===========================================================
There was a crash.
This is the entire stack trace of all threads:
===========================================================

Thread 6 (Thread 0x7ff42998d700 (LWP 56550) "o2-sim-hit-merg"):
#0  0x00007ff44b42eef6 in longest_match () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/zlib/v1.2.8-local3/lib/libz.so.1
#1  0x00007ff44b42fd58 in deflate_fast () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/zlib/v1.2.8-local3/lib/libz.so.1
#2  0x00007ff44b430822 in deflate () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/zlib/v1.2.8-local3/lib/libz.so.1
#3  0x00007ff447cbe8a5 in R__zipZLIB (irep=0x7ff4299869a8, tgt=0x7ff3c94c924f "ZL\b\177\272", tgtsize=0x7ff4299869ac, src=0x7ff4299868c0 "\177", srcsize=0x7ff4299869ac, cxlevel=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/zip/src/RZip.cxx:213
#4  R__zipMultipleAlgorithm (compressionAlgorithm=<optimized out>, irep=0x7ff4299869a8, tgt=0x7ff3c94c924f "ZL\b\177\272", tgtsize=0x7ff4299869ac, src=0x7ff4299868c0 "\177", srcsize=0x7ff4299869ac, cxlevel=32756) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/zip/src/RZip.cxx:109
#5  R__zipMultipleAlgorithm (cxlevel=cxlevel
entry=1, srcsize=srcsize
entry=0x7ff4299869ac, src=src
entry=0x7ff3d000007f "\300Ro\211\300=\200I\300>\277\341\300D'\254\300F\343\016\300Ix\232\300K\333^\300M\340!\300O\255T\300P\320\344\300Q\254\250\300<\225B\300S,g\300S\313\061\300Tf\250\300TӾ\300U.\b\300U\027\\\300T}d\300S\200\344\300R\220\234\300QT}\300D\241\221\300V\a\360\300U\246\060\300S
\300\300QV\026\300OE\345\300M\020\314\300J\365\f\300I(D\300G\250X\300FE6\300P\r\376\300B\240\300\300
zV\300>\225\324\300=\036\206\300<8t\300;\252d\300;v\376\300;\210w\300;\336J\300HǬ\300\071\322+\300:\205\232\300;\231H\300<\367\a\300=\350\252\300?", <incomplete sequence \344>..., tgtsize=tgtsize
entry=0x7ff4299869ac, tgt=tgt
entry=0x7ff3c94c924f "ZL\b\177\272", irep=irep
entry=0x7ff4299869a8, compressionAlgorithm=ROOT::RCompressionSetting::EAlgorithm::kZLIB) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/zip/src/RZip.cxx:79
#6  0x00007ff44949256c in TBasket::WriteBuffer (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBasket.cxx:1245
#7  0x00007ff4494a0f3d in operator() (__closure=<synthetic pointer>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBranch.cxx:3134
#8  TBranch::WriteBasketImpl (this=0x7ff42547e5f0, basket=0x7ff4253b6a90, where=7, imtHelper=0x0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBranch.cxx:3189
#9  0x00007ff4494a1b11 in TBranch::FillImpl (imtHelper=0x0, this=0x7ff42547e5f0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBranch.cxx:923
#10 TBranch::FillImpl (this=this
entry=0x7ff42547e5f0, imtHelper=imtHelper
entry=0x0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBranch.cxx:854
#11 0x00007ff4494ae36b in TBranchElement::FillImpl (this=0x7ff42547e5f0, imtHelper=0x0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBranchElement.cxx:1265
#12 0x00007ff4494ae069 in TBranchElement::FillImpl (this=0x7ff425170850, imtHelper=0x0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/tree/tree/src/TBranchElement.cxx:1290
#13 0x00007ff44f4faf89 in TBranch::Fill (this=0x7ff425170850) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/ROOT/v6-24-02-local5/include/TBranch.h:201
#14 o2::base::DetImpl<o2::trd::Detector>::mergeAndAdjustHits<std::vector<o2::trd::Hit, std::allocator<o2::trd::Hit> > > (this=this
entry=0x3e69680, brname=..., origin=..., target=..., trackoffsets=..., nprimaries=..., subevtsOrdered=...) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/Detectors/Base/include/DetectorsBase/Detector.h:403
#15 0x00007ff44f4fb507 in o2::base::DetImpl<o2::trd::Detector>::mergeHitEntries (this=0x3e69680, origin=..., target=..., trackoffsets=..., nprimaries=..., subevtsOrdered=...) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/Detectors/Base/include/DetectorsBase/Detector.h:422
#16 0x00000000004456e1 in o2::devices::O2HitMerger::mergeAndFlushData (this=0x162d640, eventID=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:745
#17 0x00007ff446ec9f10 in std::execute_native_thread_routine (__p=0x7ad9e10) at ../../../../../gcc/libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007ff44e186ea5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007ff44680796d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7ff42a18e700 (LWP 25519) "o2-sim-hit-merg"):
#0  0x00007ff44e18ade2 in pthread_cond_timedwait

GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007ff44aca29d3 in __gthread_cond_timedwait (__abs_timeout=0x7ff42a187a30, __mutex=<optimized out>, __cond=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/x86_64-unknown-linux-gnu/bits/gthr-default.h:872
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__lock=..., __lock=..., __atime=<synthetic pointer>..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:232
#3  std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:141
#4  std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, fair::mq::StateMachine::WaitForPendingStateFor(int) const::<lambda()> > (__p=..., __atime=..., __lock=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:158
#5  std::condition_variable::wait_for<long int, std::ratio<1, 1000>, fair::mq::StateMachine::WaitForPendingStateFor(int) const::<lambda()> > (__rtime=..., __rtime=..., __p=..., __lock=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:185
#6  fair::mq::StateMachine::WaitForPendingStateFor (this=this
entry=0x162d700, durationInMs=durationInMs
entry=1000) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:364
#7  0x00007ff44b22f882 in FairMQDevice::WaitFor<long, std::ratio<1l, 1l> > (duration=..., this=0x162d640) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/chrono:422
#8  FairMQDevice::LogSocketRates (this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/FairMQDevice.cxx:717
#9  0x00007ff44b230e6d in std::__invoke_impl<void, void (FairMQDevice::*)(), FairMQDevice*> (__f=<optimized out>, __t=<optimized out>, __f=<optimized out>, __t=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/invoke.h:73
#10 std::__invoke<void (FairMQDevice::*)(), FairMQDevice*> (__fn=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/invoke.h:95
#11 std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >::_M_invoke<0ul, 1ul> (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/thread:264
#12 std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >::operator() (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/thread:271
#13 std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::operator() (this=0x7ff42a188500) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/future:1365
#14 std::__invoke_impl<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>&> (__f=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/invoke.h:60
#15 std::__invoke_r<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>, std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>&> (__fn=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/invoke.h:113
#16 std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> (), std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void> >::_M_invoke(std::_Any_data const&) (__functor=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/std_function.h:292
#17 0x00007ff44b23115b in std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>::operator()() const (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/std_function.h:622
#18 std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*) (this=0x3ee2b40, __f=<optimized out>, __did_set=0x7ff42a1884d7) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/future:564
#19 0x00007ff44e18520b in __pthread_once_slow () from /lib64/libpthread.so.0
#20 0x00007ff44b231ec6 in __gthread_once (__func=<optimized out>, __once=0x3ee2b58) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/x86_64-unknown-linux-gnu/bits/gthr-default.h:700
#21 std::call_once<void (std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, void (std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*), std::__future_base::_State_baseV2*&&, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) (__f=
0x7ff42a1884f0: (void (std::__future_base::_State_baseV2::*)(std::__future_base::_State_baseV2 * const, std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter>()> *, bool *)) 0x7ff44b231140 <std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*)>, __once=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/mutex:729
#22 std::__future_base::_State_baseV2::_M_set_result(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>, bool) (__ignore_failure=false, __res=..., this=0x3ee2b40) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/future:404
#23 std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}::operator()() const (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/future:1674
#24 std::__invoke_impl<void, std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}>(std::__invoke_other, std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}&&) (__f=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/invoke.h:60
#25 std::__invoke<std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}>(std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}&&) (__fn=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/invoke.h:95
#26 std::thread::_Invoker<std::tuple<std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}> >::_M_invoke<0ul>(std::_Index_tuple<0ul>) (this=0x3ee24f8) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/thread:264
#27 std::thread::_Invoker<std::tuple<std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}> >::operator()() (this=0x3ee24f8) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/thread:271
#28 std::thread::_State_impl<std::thread::_Invoker<std::tuple<std::__future_base::_Async_state_impl<std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >, void>::_Async_state_impl(std::thread::_Invoker<std::tuple<void (FairMQDevice::*)(), FairMQDevice*> >&&)::{lambda()#1}> > >::_M_run() (this=0x3ee24f0) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/thread:215
#29 0x00007ff446ec9f10 in std::execute_native_thread_routine (__p=0x3ee24f0) at ../../../../../gcc/libstdc++-v3/src/c++11/thread.cc:80
#30 0x00007ff44e186ea5 in start_thread () from /lib64/libpthread.so.0
#31 0x00007ff44680796d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7ff443aa4700 (LWP 25366) "ZMQbg/IO/0"):
#0  0x00007ff446807f43 in epoll_wait () from /lib64/libc.so.6
#1  0x00007ff445edd301 in zmq::epoll_t::loop() () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/ZeroMQ/v4.3.3-local3/lib/libzmq.so.5
#2  0x00007ff445f15068 in thread_routine () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/ZeroMQ/v4.3.3-local3/lib/libzmq.so.5
#3  0x00007ff44e186ea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007ff44680796d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7ff4442a5700 (LWP 25365) "ZMQbg/Reaper"):
#0  0x00007ff446807f43 in epoll_wait () from /lib64/libc.so.6
#1  0x00007ff445edd301 in zmq::epoll_t::loop() () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/ZeroMQ/v4.3.3-local3/lib/libzmq.so.5
#2  0x00007ff445f15068 in thread_routine () from /home/aliperf/aliperf_workspace/sw/slc7_x86-64/ZeroMQ/v4.3.3-local3/lib/libzmq.so.5
#3  0x00007ff44e186ea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007ff44680796d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7ff444aa6700 (LWP 25360) "o2-sim-hit-merg"):
#0  0x00007ff44e18ade2 in pthread_cond_timedwait

GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007ff44b30da64 in __gthread_cond_timedwait (__abs_timeout=0x7ff444a9fe30, __mutex=<optimized out>, __cond=0x162de08) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/x86_64-unknown-linux-gnu/bits/gthr-default.h:872
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__lock=..., __lock=..., __atime=<synthetic pointer>..., this=0x162de08) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:232
#3  std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=..., this=0x162de08) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:141
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=..., __rtime=..., __lock=..., this=0x162de08) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/condition_variable:172
#5  fair::mq::StateQueue::WaitForNext<long, std::ratio<1l, 1000l> > (this=this
entry=0x162dd90, duration=...) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateQueue.h:50
#6  0x00007ff44b30d4ff in fair::mq::plugins::Control::StaticMode (this=0x162dcd0) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/plugins/control/Control.cxx:376
#7  0x00007ff446ec9f10 in std::execute_native_thread_routine (__p=0x162e800) at ../../../../../gcc/libstdc++-v3/src/c++11/thread.cc:80
#8  0x00007ff44e186ea5 in start_thread () from /lib64/libpthread.so.0
#9  0x00007ff44680796d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ff4457b40c0 (LWP 25309) "o2-sim-hit-merg"):
#0  0x00007ff4467ce4b9 in waitpid () from /lib64/libc.so.6
#1  0x00007ff44674bf62 in do_system () from /lib64/libc.so.6
#2  0x00007ff44674c311 in system () from /lib64/libc.so.6
#3  0x00007ff447d2a60c in TUnixSystem::Exec (shellcmd=<optimized out>, this=0x13db430) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/unix/src/TUnixSystem.cxx:2120
#4  TUnixSystem::StackTrace (this=0x13db430) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/unix/src/TUnixSystem.cxx:2411
#5  0x00007ff447d27c15 in TUnixSystem::DispatchSignals (this=0x13db430, sig=kSigSegmentationViolation) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/unix/src/TUnixSystem.cxx:3649
#6  <signal handler called>
#7  std::__find_if<__gnu_cxx::__normal_iterator<std::atomic<TDirectory*>**, std::vector<std::atomic<TDirectory*>*, std::allocator<std::atomic<TDirectory*>*> > >, __gnu_cxx::__ops::_Iter_equals_val<std::atomic<TDirectory*>* const> > (__pred=..., __last=..., __first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/predefined_ops.h:267
#8  std::__find_if<__gnu_cxx::__normal_iterator<std::atomic<TDirectory*>**, std::vector<std::atomic<TDirectory*>*, std::allocator<std::atomic<TDirectory*>*> > >, __gnu_cxx::__ops::_Iter_equals_val<std::atomic<TDirectory*>* const> > (__pred=..., __last=..., __first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/stl_algobase.h:1977
#9  std::find<__gnu_cxx::__normal_iterator<std::atomic<TDirectory*>**, std::vector<std::atomic<TDirectory*>*, std::allocator<std::atomic<TDirectory*>*> > >, std::atomic<TDirectory*>*> (__val=
0x7ffe775d4258: 0x7ff447f6d858 <TDirectory::CurrentDirectory()::currentDirectory>, __last=..., __first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/stl_algo.h:3902
#10 TDirectory::RegisterGDirectory (this=0x5dfd960, globalptr=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/base/src/TDirectory.cxx:1326
#11 0x00007ff447bfb143 in TDirectory::cd1 (apath=<optimized out>, this=0x5dfd960) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/base/src/TDirectory.cxx:528
#12 TDirectory::cd1 (this=0x5dfd960, apath=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/base/src/TDirectory.cxx:522
#13 0x00007ff4481315df in TDirectoryFile::cd (this=0x5dfd960, path=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TDirectoryFile.cxx:343
#14 0x00007ff44814af14 in TFile::Init (this=this
entry=0x5dfd960, create=create
entry=true) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TFile.cxx:602
#15 0x00007ff448181d38 in TMemFile::TMemFile (this=0x5dfd960, path=0x7ffe775d4450 "memfile9", buffer=0x0, size=-1, option=0x44c3c1 "RECREATE", ftitle=<optimized out>, compress=101, defBlockSize=0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TMemFile.cxx:202
#16 0x00007ff448181e1c in TMemFile::TMemFile (this=<optimized out>, path=<optimized out>, option=<optimized out>, ftitle=<optimized out>, compress=<optimized out>, defBlockSize=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TMemFile.cxx:163
#17 0x0000000000439b45 in o2::devices::O2HitMerger::fillBranch<o2::data::SubEventInfo> (this=this
entry=0x162d640, eventID=<optimized out>, name=..., ptr=<optimized out>, ptr
entry=0x869a800) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:281
#18 0x0000000000443d07 in o2::devices::O2HitMerger::fillSubEventInfoEntry (info=..., this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:313
#19 o2::devices::O2HitMerger::handleSimData (this=this
entry=0x162d640, data=...) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:377
#20 0x000000000044a79d in o2::devices::O2HitMerger::ConditionalRun (this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:357
#21 0x00007ff44b22cc35 in FairMQDevice::RunWrapper (this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/FairMQDevice.cxx:460
#22 0x00007ff44aca709d in std::function<void (fair::mq::State)>::operator()(fair::mq::State) const (__args#0=<optimized out>, this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/std_function.h:622
#23 boost::detail::function::void_function_obj_invoker1<std::function<void (fair::mq::State)>, void, fair::mq::State>::invoke(boost::detail::function::function_buffer&, fair::mq::State) (function_obj_ptr=..., a0=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/function/function_template.hpp:158
#24 0x00007ff44acaff89 in boost::function1<void, fair::mq::State>::operator() (a0=<optimized out>, this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/function/function_template.hpp:763
#25 boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::m_invoke<boost::function<void (fair::mq::State)>, 0u, fair::mq::State&>(boost::function<void (fair::mq::State)>&, boost::signals2::detail::unsigned_meta_array<0u>, std::tuple<fair::mq::State&> const&, boost::enable_if<boost::is_void<boost::function<void (fair::mq::State)>::result_type>, void>::type*) const (args=..., func=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/variadic_slot_invoker.hpp:105
#26 boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::operator()<boost::function<void (fair::mq::State)>, fair::mq::State&, 1ul>(boost::function<void (fair::mq::State)>&, std::tuple<fair::mq::State&> const&, mpl_::size_t<1ul>) const (args=..., func=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/variadic_slot_invoker.hpp:90
#27 boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>::operator()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > const&) const (connectionBody=..., this=0x7ffe775d5e40) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/variadic_slot_invoker.hpp:133
#28 boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >::dereference() const (this=0x7ffe775d5c70) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/slot_call_iterator.hpp:110
#29 boost::iterators::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > const&) (f=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/iterator/iterator_facade.hpp:550
#30 boost::iterators::detail::iterator_facade_base<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >, boost::signals2::detail::void_type, boost::iterators::single_pass_traversal_tag, boost::signals2::detail::void_type const&, long, false, false>::operator*() const (this=0x7ffe775d5c70) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/iterator/iterator_facade.hpp:656
#31 boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >) const (last=..., this=<optimized out>, last=..., first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/optional_last_value.hpp:57
#32 boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void>&, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >) const (last=..., first=..., combiner=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/result_type_wrapper.hpp:64
#33 boost::signals2::detail::signal_impl<void (fair::mq::State), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (fair::mq::State)>, boost::function<void (boost::signals2::connection const&, fair::mq::State)>, boost::signals2::mutex>::operator()(fair::mq::State) (this=<optimized out>, args#0=<optimized out>, args#0
entry=fair::mq::State::Running) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/signal_template.hpp:243
#34 0x00007ff44acb0620 in boost::signals2::signal<void (fair::mq::State), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (fair::mq::State)>, boost::function<void (boost::signals2::connection const&, fair::mq::State)>, boost::signals2::mutex>::operator()(fair::mq::State) const (args#0=fair::mq::State::Running, this=0x162f300) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/smart_ptr/shared_ptr.hpp:720
#35 fair::mq::fsm::Machine_::CallStateHandler (state=fair::mq::State::Running, this=0x162f270) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:157
#36 fair::mq::fsm::Machine_::ProcessWork (this=this
entry=0x162f270) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:205
#37 0x00007ff44aca5969 in fair::mq::StateMachine::ProcessWork (this=0x162d700) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:373
#38 0x00007ff44b1fc227 in FairMQDevice::RunStateMachine (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/FairMQDevice.h:364
#39 fair::mq::DeviceRunner::Run (this=this
entry=0x7ffe775d7520) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/DeviceRunner.cxx:182
#40 0x0000000000426a0a in main (argc=<optimized out>, argv=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/FairMQ/v1.4.40-local2/include/fairmq/runFairMQDevice.h:51
===========================================================


The lines below might hint at the cause of the crash.
You may get help by asking at the ROOT forum https://root.cern.ch/forum
Only if you are really convinced it is a bug in ROOT then please submit a
report at https://root.cern.ch/bugs Please post the ENTIRE stack trace
from above as an attachment in addition to anything else
that might help us fixing this issue.
===========================================================
#7  std::__find_if<__gnu_cxx::__normal_iterator<std::atomic<TDirectory*>**, std::vector<std::atomic<TDirectory*>*, std::allocator<std::atomic<TDirectory*>*> > >, __gnu_cxx::__ops::_Iter_equals_val<std::atomic<TDirectory*>* const> > (__pred=..., __last=..., __first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/predefined_ops.h:267
#8  std::__find_if<__gnu_cxx::__normal_iterator<std::atomic<TDirectory*>**, std::vector<std::atomic<TDirectory*>*, std::allocator<std::atomic<TDirectory*>*> > >, __gnu_cxx::__ops::_Iter_equals_val<std::atomic<TDirectory*>* const> > (__pred=..., __last=..., __first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/stl_algobase.h:1977
#9  std::find<__gnu_cxx::__normal_iterator<std::atomic<TDirectory*>**, std::vector<std::atomic<TDirectory*>*, std::allocator<std::atomic<TDirectory*>*> > >, std::atomic<TDirectory*>*> (__val=
0x7ffe775d4258: 0x7ff447f6d858 <TDirectory::CurrentDirectory()::currentDirectory>, __last=..., __first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/stl_algo.h:3902
#10 TDirectory::RegisterGDirectory (this=0x5dfd960, globalptr=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/base/src/TDirectory.cxx:1326
#11 0x00007ff447bfb143 in TDirectory::cd1 (apath=<optimized out>, this=0x5dfd960) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/base/src/TDirectory.cxx:528
#12 TDirectory::cd1 (this=0x5dfd960, apath=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/core/base/src/TDirectory.cxx:522
#13 0x00007ff4481315df in TDirectoryFile::cd (this=0x5dfd960, path=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TDirectoryFile.cxx:343
#14 0x00007ff44814af14 in TFile::Init (this=this
entry=0x5dfd960, create=create
entry=true) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TFile.cxx:602
#15 0x00007ff448181d38 in TMemFile::TMemFile (this=0x5dfd960, path=0x7ffe775d4450 "memfile9", buffer=0x0, size=-1, option=0x44c3c1 "RECREATE", ftitle=<optimized out>, compress=101, defBlockSize=0) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TMemFile.cxx:202
#16 0x00007ff448181e1c in TMemFile::TMemFile (this=<optimized out>, path=<optimized out>, option=<optimized out>, ftitle=<optimized out>, compress=<optimized out>, defBlockSize=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/ROOT/v6-24-02/v6-24-02/io/io/src/TMemFile.cxx:163
#17 0x0000000000439b45 in o2::devices::O2HitMerger::fillBranch<o2::data::SubEventInfo> (this=this
entry=0x162d640, eventID=<optimized out>, name=..., ptr=<optimized out>, ptr
entry=0x869a800) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:281
#18 0x0000000000443d07 in o2::devices::O2HitMerger::fillSubEventInfoEntry (info=..., this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:313
#19 o2::devices::O2HitMerger::handleSimData (this=this
entry=0x162d640, data=...) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:377
#20 0x000000000044a79d in o2::devices::O2HitMerger::ConditionalRun (this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/O2/dev/0/run/O2HitMerger.h:357
#21 0x00007ff44b22cc35 in FairMQDevice::RunWrapper (this=0x162d640) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/FairMQDevice.cxx:460
#22 0x00007ff44aca709d in std::function<void (fair::mq::State)>::operator()(fair::mq::State) const (__args#0=<optimized out>, this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/GCC-Toolchain/v10.2.0-alice2-local3/include/c++/10.2.0/bits/std_function.h:622
#23 boost::detail::function::void_function_obj_invoker1<std::function<void (fair::mq::State)>, void, fair::mq::State>::invoke(boost::detail::function::function_buffer&, fair::mq::State) (function_obj_ptr=..., a0=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/function/function_template.hpp:158
#24 0x00007ff44acaff89 in boost::function1<void, fair::mq::State>::operator() (a0=<optimized out>, this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/function/function_template.hpp:763
#25 boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::m_invoke<boost::function<void (fair::mq::State)>, 0u, fair::mq::State&>(boost::function<void (fair::mq::State)>&, boost::signals2::detail::unsigned_meta_array<0u>, std::tuple<fair::mq::State&> const&, boost::enable_if<boost::is_void<boost::function<void (fair::mq::State)>::result_type>, void>::type*) const (args=..., func=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/variadic_slot_invoker.hpp:105
#26 boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::operator()<boost::function<void (fair::mq::State)>, fair::mq::State&, 1ul>(boost::function<void (fair::mq::State)>&, std::tuple<fair::mq::State&> const&, mpl_::size_t<1ul>) const (args=..., func=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/variadic_slot_invoker.hpp:90
#27 boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>::operator()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > const&) const (connectionBody=..., this=0x7ffe775d5e40) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/variadic_slot_invoker.hpp:133
#28 boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >::dereference() const (this=0x7ffe775d5c70) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/slot_call_iterator.hpp:110
#29 boost::iterators::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > const&) (f=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/iterator/iterator_facade.hpp:550
#30 boost::iterators::detail::iterator_facade_base<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >, boost::signals2::detail::void_type, boost::iterators::single_pass_traversal_tag, boost::signals2::detail::void_type const&, long, false, false>::operator*() const (this=0x7ffe775d5c70) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/iterator/iterator_facade.hpp:656
#31 boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >) const (last=..., this=<optimized out>, last=..., first=...) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/optional_last_value.hpp:57
#32 boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void>&, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, fair::mq::State>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (fair::mq::State), boost::function<void (fair::mq::State)> >, boost::signals2::mutex> >) const (last=..., first=..., combiner=..., this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/result_type_wrapper.hpp:64
#33 boost::signals2::detail::signal_impl<void (fair::mq::State), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (fair::mq::State)>, boost::function<void (boost::signals2::connection const&, fair::mq::State)>, boost::signals2::mutex>::operator()(fair::mq::State) (this=<optimized out>, args#0=<optimized out>, args#0
entry=fair::mq::State::Running) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/signals2/detail/signal_template.hpp:243
#34 0x00007ff44acb0620 in boost::signals2::signal<void (fair::mq::State), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (fair::mq::State)>, boost::function<void (boost::signals2::connection const&, fair::mq::State)>, boost::signals2::mutex>::operator()(fair::mq::State) const (args#0=fair::mq::State::Running, this=0x162f300) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/boost/v1.75.0-local8/include/boost/smart_ptr/shared_ptr.hpp:720
#35 fair::mq::fsm::Machine_::CallStateHandler (state=fair::mq::State::Running, this=0x162f270) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:157
#36 fair::mq::fsm::Machine_::ProcessWork (this=this
entry=0x162f270) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:205
#37 0x00007ff44aca5969 in fair::mq::StateMachine::ProcessWork (this=0x162d700) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/StateMachine.cxx:373
#38 0x00007ff44b1fc227 in FairMQDevice::RunStateMachine (this=<optimized out>) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/FairMQDevice.h:364
#39 fair::mq::DeviceRunner::Run (this=this
entry=0x7ffe775d7520) at /home/aliperf/aliperf_workspace/sw/SOURCES/FairMQ/v1.4.40/v1.4.40/fairmq/DeviceRunner.cxx:182
#40 0x0000000000426a0a in main (argc=<optimized out>, argv=<optimized out>) at /home/aliperf/aliperf_workspace/sw/slc7_x86-64/FairMQ/v1.4.40-local2/include/fairmq/runFairMQDevice.h:51
===========================================================

For the record (not publicly accessible) ALICE bug reports:
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@Axel-Naumann Axel-Naumann

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affects:master affects:6.24 bug in:I/O priority:critical
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Fixed in 6.24/06
Issues
Fixed in 6.26/00
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@Axel-Naumann