Processing /home/alitrain/train-steer/extract_syswatch.C... *** Break *** segmentation violation E-TFile::TFile: file syswatch.root does not exist =========================================================== There was a crash. This is the entire stack trace of all threads: =========================================================== #0 0x00007fa83d49882e in waitpid () from /lib64/libc.so.6 #1 0x00007fa83d42a479 in do_system () from /lib64/libc.so.6 #2 0x00007fa83f3cdf9a in Exec (shellcmd=, this=0x16eb590) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/unix/src/TUnixSystem.cxx:2172 #3 TUnixSystem::StackTrace (this=0x16eb590) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/unix/src/TUnixSystem.cxx:2419 #4 0x00007fa83f3cff6c in TUnixSystem::DispatchSignals (this=0x16eb590, sig=kSigSegmentationViolation) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/unix/src/TUnixSystem.cxx:1294 #5 #6 0x00007fa83f246018 in G__G__Base1_8_0_33 (result7=result7 entry=0x7ffcbb741180, funcname=funcname entry=0x2b3e210 "", libp=libp entry=0x7ffcbb7411c0, hash=hash entry=0) at /build/workarea/sw/20155909/1/BUILD/6e5ed1cd2caa32a01c6ce5bee5f7739d356af4c2/ROOT/core/base/G__Base1.cxx:7394 #7 0x00007fa841b2512e in Cint::G__ExceptionWrapper (funcp=funcp entry=0x7fa83f246000 , result7=result7 entry=0x7ffcbb741180, funcname=funcname entry=0x2b3e210 "", libp=libp entry=0x7ffcbb7411c0, hash=hash entry=0) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/Api.cxx:393 #8 0x00007fa841c1aad4 in G__execute_call (result7=result7 entry=0x7ffcbb741180, libp=libp entry=0x7ffcbb7411c0, ifunc=ifunc entry=0x2b3e210, ifn=ifn entry=0) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/newlink.cxx:2408 #9 0x00007fa841c1ae69 in G__call_cppfunc (result7=0x7ffcbb741180, libp=0x7ffcbb7411c0, ifunc=0x2b3e210, ifn=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/newlink.cxx:2612 #10 0x00007fa841b89411 in G__interpret_func (result7=0x7ffcbb741180, funcname=0x2ad7160 "Get", libp=0x7ffcbb7411c0, hash=288, p_ifunc=0x2b3e210, funcmatch=1, memfunc_flag=1) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/ifunc.cxx:5791 #11 0x00007fa841b5d435 in G__getfunction (item=0x170e9b7 "Get(\"syswatch\")", known3=, memfunc_flag=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/func.cxx:2660 #12 0x00007fa841b3a34d in G__getstructmem (store_var_type=store_var_type entry=112, varname=..., membername=membername entry=0x170e9b7 "Get(\"syswatch\")", memnamesize=memnamesize entry=2147483647, tagname=tagname entry=0x183ed40 "gFile", known2=0x7ffcbb74c664, varglobal=0x7fa84242c780 , objptr=2) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/var.cxx:6821 #13 0x00007fa841b32932 in G__getvariable (item=0x170e9b0 "gFile->Get(\"syswatch\")", known=0x7ffcbb74c664, varglobal=0x7fa84242c780 , varlocal=0x7ffcbb75f990) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/var.cxx:5407 #14 0x00007fa841bfe0db in G__getitem (item=0x170e9b0 "gFile->Get(\"syswatch\")") at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1906 #15 0x00007fa841c048bc in G__getexpr (expression=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1488 #16 0x00007fa841b5ccf2 in G__getfunction (item=0x170dd80 "(TTree*)gFile->Get(\"syswatch\")", known3=0x7ffcbb7599e4, memfunc_flag=0) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/func.cxx:2410 #17 0x00007fa841bfe5a6 in G__getitem (item=0x170dd80 "(TTree*)gFile->Get(\"syswatch\")") at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1918 #18 0x00007fa841c048bc in G__getexpr (expression=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1488 #19 0x00007fa841c03762 in G__getexpr (expression=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1446 #20 0x00007fa841ba282d in G__exec_statement (mparen=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/parse.cxx:6980 #21 0x00007fa841b8b029 in G__interpret_func (result7=, funcname=, libp=, hash=, p_ifunc=0x2ad64f0, funcmatch=, memfunc_flag=0) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/ifunc.cxx:6710 #22 0x00007fa841b5d499 in G__getfunction (item=0x16ffc50 "extract_syswatch()", known3=, memfunc_flag=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/func.cxx:2901 #23 0x00007fa841bfe5a6 in G__getitem (item=0x16ffc50 "extract_syswatch()") at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1918 #24 0x00007fa841c048bc in G__getexpr (expression=expression entry=0x2ad69c0 "extract_syswatch()") at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1488 #25 0x00007fa841c0e5c8 in G__calc_internal (exprwithspace=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/expr.cxx:1071 #26 0x00007fa841b77827 in G__process_cmd (line=, prompt=, more=, err=0x7ffcbb76e5bc, rslt=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/cint/cint/src/pause.cxx:2331 #27 0x00007fa83f3ac22a in TCint::ProcessLine (this=0x16f02d0, line=0x2ad5ac0 ".X /home/alitrain/train-steer/extract_syswatch.C", error=0x7ffcbb76f36c) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/meta/src/TCint.cxx:549 #28 0x00007fa83f3a7337 in TCint::ProcessLineSynch (this=0x16f02d0, line=0x2ad5ac0 ".X /home/alitrain/train-steer/extract_syswatch.C", error=0x7ffcbb76f36c) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/meta/src/TCint.cxx:631 #29 0x00007fa83f41614d in TApplication::ExecuteFile (file=, error=0x7ffcbb76f36c, keep=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/base/src/TApplication.cxx:1110 #30 0x00007fa83f417154 in TApplication::ProcessLine (this=0x209f910, line=, sync=, err=0x7ffcbb76f36c) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/base/src/TApplication.cxx:959 #31 0x00007fa852d3f2d1 in TRint::Run (this=0x209f910, retrn=) at /build/workarea/sw/20155909/1/SOURCES/ROOT/v5-34-30-alice10/v5-34-30-alice10/core/rint/src/TRint.cxx:417 #32 0x00000000004025a9 in main (argc=1, argv=0x7ffcbb771558) at /build/workarea/sw/20155910/1/SOURCES/AliRoot/v5-09-34/v5-09-34/ALIROOT/aliroot.cxx:145 =========================================================== The crash is most likely caused by a problem in your script. Try to compile it (.L myscript.C+g) and fix any errors. If that does not help then please submit a bug report at http://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. Function extract_syswatch() busy flag cleared