*** Break *** segmentation violation =========================================================== There was a crash. This is the entire stack trace of all threads: =========================================================== Thread 3 (Thread 0x7fcbead28000 (LWP 3010176) "cuda-EvtHandlr"): #0 0x00007fcc0c4bdac1 in poll () from /lib64/libc.so.6 #1 0x00007fcbf17a1b89 in ?? () from /lib64/libcuda.so.1 #2 0x00007fcbf1848d7b in ?? () from /lib64/libcuda.so.1 #3 0x00007fcbf179cb98 in ?? () from /lib64/libcuda.so.1 #4 0x00007fcc0c7661cf in start_thread () from /lib64/libpthread.so.0 #5 0x00007fcc0c3d2dd3 in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7fcbeb529000 (LWP 3010175) "cuda-EvtHandlr"): #0 0x00007fcc0c4bdac1 in poll () from /lib64/libc.so.6 #1 0x00007fcbf17a1b89 in ?? () from /lib64/libcuda.so.1 #2 0x00007fcbf1848d7b in ?? () from /lib64/libcuda.so.1 #3 0x00007fcbf179cb98 in ?? () from /lib64/libcuda.so.1 #4 0x00007fcc0c7661cf in start_thread () from /lib64/libpthread.so.0 #5 0x00007fcc0c3d2dd3 in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7fcc0a69b000 (LWP 3010104) "sdl"): #0 0x00007fcc0c493402 in waitpid () from /lib64/libc.so.6 #1 0x00007fcc0c3f4bff in do_system () from /lib64/libc.so.6 #2 0x00007fcc0f37cd1b in TUnixSystem::StackTrace() () from /cvmfs/cms.cern.ch/el8_amd64_gcc10/cms/cmssw/CMSSW_12_5_0_pre5/external/el8_amd64_gcc10/lib/libCore.so #3 0x00007fcc0f37a2b5 in TUnixSystem::DispatchSignals(ESignals) () from /cvmfs/cms.cern.ch/el8_amd64_gcc10/cms/cmssw/CMSSW_12_5_0_pre5/external/el8_amd64_gcc10/lib/libCore.so #4 #5 0x000000000045981f in getLSsFromT3 (event=0x8, T3=48169024) at code/core/AccessHelper.cc:130 #6 0x0000000000459b65 in getLSsFromT5 (event=0x4b111620, T5=96338048) at code/core/AccessHelper.cc:175 #7 0x0000000000459ffe in getMDsFromT5 (event=0x4b111620, T5=96338048) at code/core/AccessHelper.cc:183 #8 0x000000000045a1f5 in getHitsFromT5 (event=0x4b111620, T5=96338048) at code/core/AccessHelper.cc:194 #9 0x000000000045ae13 in getHitIdxsFromT5 (event=0x4b111620, T5=523828) at code/core/AccessHelper.cc:207 #10 0x000000000049df85 in setQuintupletOutputBranches (event=0x8) at code/core/write_sdl_ntuple.cc:414 #11 0x000000000049fe11 in setOptionalOutputBranches (event=0x4b111620) at code/core/write_sdl_ntuple.cc:299 #12 0x00000000004a2696 in fillOutputBranches (event=0x4b111620) at code/core/write_sdl_ntuple.cc:14 #13 0x00000000004366cd in run_sdl () at bin/sdl.cc:489 #14 0x00007fcc0c9aa4b2 in GOMP_parallel (fn=0x434cc0 <_Z7run_sdlv._omp_fn.0(void)>, data=0x7fff6ad44620, num_threads=1, flags=0) at ../../../libgomp/parallel.c:171 #15 0x0000000000437622 in run_sdl () at bin/sdl.cc:397 #16 0x0000000000431194 in main (argc=1, argv=0x7fff6ad45778) at bin/sdl.cc:298 =========================================================== 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. =========================================================== #5 0x000000000045981f in getLSsFromT3 (event=0x8, T3=48169024) at code/core/AccessHelper.cc:130 #6 0x0000000000459b65 in getLSsFromT5 (event=0x4b111620, T5=96338048) at code/core/AccessHelper.cc:175 #7 0x0000000000459ffe in getMDsFromT5 (event=0x4b111620, T5=96338048) at code/core/AccessHelper.cc:183 #8 0x000000000045a1f5 in getHitsFromT5 (event=0x4b111620, T5=96338048) at code/core/AccessHelper.cc:194 #9 0x000000000045ae13 in getHitIdxsFromT5 (event=0x4b111620, T5=523828) at code/core/AccessHelper.cc:207 #10 0x000000000049df85 in setQuintupletOutputBranches (event=0x8) at code/core/write_sdl_ntuple.cc:414 #11 0x000000000049fe11 in setOptionalOutputBranches (event=0x4b111620) at code/core/write_sdl_ntuple.cc:299 #12 0x00000000004a2696 in fillOutputBranches (event=0x4b111620) at code/core/write_sdl_ntuple.cc:14 #13 0x00000000004366cd in run_sdl () at bin/sdl.cc:489 #14 0x00007fcc0c9aa4b2 in GOMP_parallel (fn=0x434cc0 <_Z7run_sdlv._omp_fn.0(void)>, data=0x7fff6ad44620, num_threads=1, flags=0) at ../../../libgomp/parallel.c:171 #15 0x0000000000437622 in run_sdl () at bin/sdl.cc:397 #16 0x0000000000431194 in main (argc=1, argv=0x7fff6ad45778) at bin/sdl.cc:298 ===========================================================