There was a when I run O2 example

Hi, I got a crash when I run the example of O2
I don’t know how to fix it and why it happen

The lines below might hint at the cause of the crash. If you see question
marks as part of the stack trace, try to recompile with debugging information
enabled and export CLING_DEBUG=1 environment variable before running.
You may get help by asking at the ROOT forum
Only if you are really convinced it is a bug in ROOT then please submit a
report at Please post the ENTIRE stack trace
from above as an attachment in addition to anything else
that might help us fixing this issue.

===========================================================
#7  glfwSetWindowFocusCallback (handle=0x0, cbfun=0x7f6c1644a350 <ImGui_ImplGlfw_WindowFocusCallback(GLFWwindow*, int)>) at /jenkins/workspace/build-any-ib/sw/20156477/1/SOURCES/GLFW/3.3.2/3.3.2/src/window.c:1021
#8  0x00007f6c1644a972 in ImGui_ImplGlfw_InstallCallbacks (window=0x0) at /jenkins/workspace/DailyBuilds/AdHocO2Physics/daily-tags.E4XCPefSrf/SOURCES/DebugGUI/v0.8.0/v0.8.0/DebugGUI/src/imgui_impl_glfw.cpp:410
#9  0x00007f6c1644ab80 in ImGui_ImplGlfw_Init (window=window
entry=0x0, install_callbacks=install_callbacks
entry=true, client_api=client_api
entry=GlfwClientApi_OpenGL) at /jenkins/workspace/DailyBuilds/AdHocO2Physics/daily-tags.E4XCPefSrf/SOURCES/DebugGUI/v0.8.0/v0.8.0/DebugGUI/src/imgui_impl_glfw.cpp:499
#10 0x00007f6c1644ac5e in ImGui_ImplGlfw_InitForOpenGL (window=window
entry=0x0, install_callbacks=install_callbacks
entry=true) at /jenkins/workspace/DailyBuilds/AdHocO2Physics/daily-tags.E4XCPefSrf/SOURCES/DebugGUI/v0.8.0/v0.8.0/DebugGUI/src/imgui_impl_glfw.cpp:507
#11 0x00007f6c165f8fc7 in o2::framework::initGUI (name=0x7f6c20b174a5 "O2 Framework debug GUI", error_callback=<optimized out>) at /jenkins/workspace/DailyBuilds/AdHocO2Physics/daily-tags.E4XCPefSrf/SOURCES/DebugGUI/v0.8.0/v0.8.0/DebugGUI/src/DebugGUI.cxx:48
#12 0x00007f6c20a5b835 in runStateMachine (workflow=..., workflowInfo=..., previousDataProcessorInfos=..., commandInfo=..., driverControl=..., driverInfo=..., driverConfig=..., metricsInfos=..., varmap=..., driverServices=..., frameworkId=...) at /home/Software/Aliphysics/sw/SOURCES/O2/dev/0/Framework/Core/src/runDataProcessing.cxx:1331
#13 0x00007f6c20a61ca8 in doMain (argc=argc
entry=3, argv=argv
entry=0x7ffe472aabc8, workflow=..., channelPolicies=..., completionPolicies=..., dispatchPolicies=..., resourcePolicies=..., callbacksPolicies=..., sendingPolicies=..., currentWorkflowOptions=..., configContext=...) at /home/Software/Aliphysics/sw/SOURCES/O2/dev/0/Framework/Core/src/runDataProcessing.cxx:2989
#14 0x000000000042fedf in mainNoCatch (argc=3, argv=0x7ffe472aabc8) at /home/Software/Aliphysics/sw/slc7_x86-64/O2/dev-local1/include/Framework/runDataProcessing.h:218
#15 0x0000000000428dc7 in main (argc=3, argv=0x7ffe472aabc8) at /home/Software/Aliphysics/sw/slc7_x86-64/O2/dev-local1/include/Framework/runDataProcessing.h:243

| Welcome to ROOT 6.28/04 |
| (c) 1995-2022, The ROOT Team; conception: R. Brun, F. Rademakers |
| Built for linuxx8664gcc on Jul 28 2023, 14:29:00 |
| From tags/v6-28-04@v6-28-04 |
| With c++ (GCC) 12.2.0 |

Try ‘.help’/‘.?’, ‘.demo’, ‘.license’, ‘.credits’, ‘.quit’/‘.q’

Hi,

Thanks for posting. At this stage it’s hard to say whether ROOT is responsible for this crash, however, your report can be useful for an internal ALICE forum where software issues are discussed: could you try to get feedback there? If then it turns out it’s a behaviour related to ROOT, don’t hesitate to post.

Cheers,
Danilo

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