TBrowser( ) Crash!

pree-jackie · February 26, 2018, 5:45pm

@eguiraud
Also when using .demo in Root prompt, sometimes the crash happens

 *** Break *** segmentation violation



===========================================================
There was a crash.
This is the entire stack trace of all threads:
===========================================================
#0  0x00007fe1f7dad4ca in __GI___waitpid (pid=2742, stat_loc=stat_loc
entry=0x7ffd8ac7f100, options=options
entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#1  0x00007fe1f7d26fbb in do_system (line=<optimized out>) at ../sysdeps/posix/system.c:148
#2  0x00007fe1f896138d in TUnixSystem::Exec (shellcmd=<optimized out>, this=0x17a6570) at /home/praveen/cern_root/root/core/unix/src/TUnixSystem.cxx:2118
#3  TUnixSystem::StackTrace (this=0x17a6570) at /home/praveen/cern_root/root/core/unix/src/TUnixSystem.cxx:2412
#4  0x00007fe1f89639cc in TUnixSystem::DispatchSignals (this=0x17a6570, sig=kSigSegmentationViolation) at /home/praveen/cern_root/root/core/unix/src/TUnixSystem.cxx:3643
#5  <signal handler called>
#6  0x0000000000ffffff in ?? ()
#7  0x00007fe1f88c5535 in TList::FindObject (this=<optimized out>, obj=0x5919ab0) at /home/praveen/cern_root/root/core/cont/src/TList.cxx:614
#8  0x00007fe1f88beb8d in THashList::RecursiveRemove (this=0x17ad900, obj=0x5919ab0) at /home/praveen/cern_root/root/core/cont/src/THashList.cxx:328
#9  0x00007fe1f87af5c3 in TROOT::RecursiveRemove (this=0x7fe1f8c6ad80 <ROOT::Internal::GetROOT1()::alloc>, obj=<optimized out>) at /home/praveen/cern_root/root/core/base/src/TROOT.cxx:2440
#10 0x00007fe1ec981359 in ROOT::CallRecursiveRemoveIfNeeded (obj=...) at /home/praveen/cern_root/root-612-build/include/TROOT.h:387
#11 TPad::~TPad (this=0x5919ab0, __in_chrg=<optimized out>) at /home/praveen/cern_root/root/graf2d/gpad/src/TPad.cxx:386
#12 0x00007fe1ec9813c9 in TPad::~TPad (this=0x5919ab0, __in_chrg=<optimized out>) at /home/praveen/cern_root/root/graf2d/gpad/src/TPad.cxx:387
#13 0x00007fe1f88c97cf in TList::Clear (this=0x6326eb0, option=<optimized out>) at /home/praveen/cern_root/root/core/cont/src/TList.cxx:446
#14 0x00007fe1ec96db3c in TPad::Clear (this=this
entry=0x58baa20, option=option
entry=0x7fe1ea5225cd "") at /home/praveen/cern_root/root/graf2d/gpad/src/TPad.cxx:615
#15 0x00007fe1ec98bccb in TCanvas::Clear (this=0x58baa20, option=0x7fe1ea5225cd "") at /home/praveen/cern_root/root/graf2d/gpad/src/TCanvas.cxx:728
#16 0x00007fe1ea4f99b2 in TRootCanvas::ReallyDelete (this=0x49fa120) at /home/praveen/cern_root/root/gui/gui/src/TRootCanvas.cxx:705
#17 0x00007fe1f908802a in ?? ()
#18 0x0000000000000000 in ?? ()
===========================================================


The lines below might hint at the cause of the crash.
You may get help by asking at the ROOT forum http://root.cern.ch/forum.
Only if you are really convinced it is a bug in ROOT then please submit a
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.
===========================================================
#6  0x0000000000ffffff in ?? ()
#7  0x00007fe1f88c5535 in TList::FindObject (this=<optimized out>, obj=0x5919ab0) at /home/praveen/cern_root/root/core/cont/src/TList.cxx:614
#8  0x00007fe1f88beb8d in THashList::RecursiveRemove (this=0x17ad900, obj=0x5919ab0) at /home/praveen/cern_root/root/core/cont/src/THashList.cxx:328
#9  0x00007fe1f87af5c3 in TROOT::RecursiveRemove (this=0x7fe1f8c6ad80 <ROOT::Internal::GetROOT1()::alloc>, obj=<optimized out>) at /home/praveen/cern_root/root/core/base/src/TROOT.cxx:2440
#10 0x00007fe1ec981359 in ROOT::CallRecursiveRemoveIfNeeded (obj=...) at /home/praveen/cern_root/root-612-build/include/TROOT.h:387
#11 TPad::~TPad (this=0x5919ab0, __in_chrg=<optimized out>) at /home/praveen/cern_root/root/graf2d/gpad/src/TPad.cxx:386
#12 0x00007fe1ec9813c9 in TPad::~TPad (this=0x5919ab0, __in_chrg=<optimized out>) at /home/praveen/cern_root/root/graf2d/gpad/src/TPad.cxx:387
#13 0x00007fe1f88c97cf in TList::Clear (this=0x6326eb0, option=<optimized out>) at /home/praveen/cern_root/root/core/cont/src/TList.cxx:446
#14 0x00007fe1ec96db3c in TPad::Clear (this=this
entry=0x58baa20, option=option
entry=0x7fe1ea5225cd "") at /home/praveen/cern_root/root/graf2d/gpad/src/TPad.cxx:615
#15 0x00007fe1ec98bccb in TCanvas::Clear (this=0x58baa20, option=0x7fe1ea5225cd "") at /home/praveen/cern_root/root/graf2d/gpad/src/TCanvas.cxx:728
#16 0x00007fe1ea4f99b2 in TRootCanvas::ReallyDelete (this=0x49fa120) at /home/praveen/cern_root/root/gui/gui/src/TRootCanvas.cxx:705
#17 0x00007fe1f908802a in ?? ()
#18 0x0000000000000000 in ?? ()
===========================================================

pree-jackie · February 26, 2018, 5:48pm

I really have no idea how to handle them though. I don’t have any sparse computers to test, but I will do when I get some free time

eguiraud · February 26, 2018, 6:24pm

I have heard that physics collision data is usually in GB’s. How can the TBrowser process it ?

You don’t do analyses on GBs of data, over the network, with TBrowser and if you do, it might take a while to fill your histogram

So this should explain the slowliness. You can test TBrowser with a local file, e.g. $ROOTSYS/tutorials/gallery.root or one of the other .root files in the ROOT tutorials folder to check if it goes back to a reasonable speed.

As for the crashes, it looks like a problem in ROOT’s memory management system. How do you close the TBrowser? Does it happen if you close it with the Browser->CloseWindow entry in the drop-down menu?

pree-jackie · February 26, 2018, 6:45pm

I’m closing the window with the help of close icon on the top left corner.
For now, I didn’t get any crashes when I use the destructor of TBrowser

browser.~TBrowser( )

I don’t know why I’m not getting any crashes
Where I can find Browser->CloseWindow entry ?
Thanks
Pree

pree-jackie · February 26, 2018, 6:45pm

If it is a memory issue, whether that can be solved ?

eguiraud · February 26, 2018, 7:34pm

Hi,

is TBrowser still slow if you open a ROOT file that is on your local machine? e.g. one in $ROOTSYS/tutorials, where $ROOTSYS is the location of your ROOT installation
do you still get a crash if you close TBrowser by clicking on “Browser” on the top-left corner of the window and then on “Close Window” at the drop down menu?

Cheers,
Enrico

pree-jackie · February 27, 2018, 7:47pm

@eguiraud

The TBrowser window is good now, It is very responsive
I didn’t get any crashes so far for using root files in local machine. I think probably the crashes are due to slow internet connection.
I will inform you, if I come across similar situation in future. Thanks a lot for your kind help.

pree-jackie · February 27, 2018, 7:47pm

Hi I got this error once when trying .demo

Root > *** Error in `/home/praveen/cern_root/root-612-build/bin/root.exe': malloc(): smallbin double linked list corrupted: 0x0000000002716920 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f86141447e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x81d61)[0x7f861414ed61]
/lib/x86_64-linux-gnu/libc.so.6(__libc_malloc+0x54)[0x7f86141505d4]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x18)[0x7f8614739e78]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x107691c)[0x7f861055791c]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x1039f20)[0x7f861051af20]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0xcdc531)[0x7f86101bd531]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x11c6cd3)[0x7f86106a7cd3]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x11c777c)[0x7f86106a877c]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x11c97b7)[0x7f86106aa7b7]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x11cb4cf)[0x7f86106ac4cf]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x1035431)[0x7f8610516431]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x21ab012)[0x7f861168c012]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x21ab103)[0x7f861168c103]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x21aa5a7)[0x7f861168b5a7]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x53bd0a)[0x7f860fa1cd0a]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x53c1a4)[0x7f860fa1d1a4]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZNSt17_Function_handlerIFN4llvm8ExpectedImEEvEZNS0_3orc17LazyEmittingLayerINS4_14IRCompileLayerIN5cling14IncrementalJIT27RemovableObjectLinkingLayerENS4_14SimpleCompilerEEEE22EmissionDeferredModule4findENS0_9StringRefEbRSB_EUlvE_E9_M_invokeERKSt9_Any_data+0x20)[0x7f860fa1db40]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x538e14)[0x7f860fa19e14]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0xb8fe30)[0x7f8610070e30]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0xb91898)[0x7f8610072898]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0xb91b0d)[0x7f8610072b0d]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZNSt17_Function_handlerIFN4llvm8ExpectedImEEvEZNS0_3orc24RTDyldObjectLinkingLayer20ConcreteLinkedObjectISt10shared_ptrINS0_11RuntimeDyld13MemoryManagerEES7_INS0_17JITSymbolResolverEEZNS5_9addObjectES7_INS0_6object12OwningBinaryINSD_10ObjectFileEEEESC_EUlSt14_List_iteratorISt10unique_ptrINS4_28RTDyldObjectLinkingLayerBase12LinkedObjectESt14default_deleteISL_EEERS8_RKSH_St8functionIFvvEEE_E21getSymbolMaterializerENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEUlvE_E9_M_invokeERKSt9_Any_data+0x3d6)[0x7f860fa13046]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x53ca26)[0x7f860fa1da26]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZNSt17_Function_handlerIFN4llvm8ExpectedImEEvEZNS0_3orc17LazyEmittingLayerINS4_14IRCompileLayerIN5cling14IncrementalJIT27RemovableObjectLinkingLayerENS4_14SimpleCompilerEEEE22EmissionDeferredModule4findENS0_9StringRefEbRSB_EUlvE_E9_M_invokeERKSt9_Any_data+0x20)[0x7f860fa1db40]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x4e540b)[0x7f860f9c640b]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZN5cling11Interpreter16EvaluateInternalERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEENS_18CompilationOptionsEPNS_5ValueEPPNS_11TransactionEm+0x18d)[0x7f860f9cacad]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZN5cling11Interpreter4echoERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPNS_5ValueE+0x41)[0x7f860f9caf51]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZN5cling8MetaSema13actOnxCommandEN4llvm9StringRefES2_PNS_5ValueE+0x36c)[0x7f860fa6067c]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZN5cling10MetaParser10isXCommandERNS_8MetaSema12ActionResultEPNS_5ValueE+0x156)[0x7f860fa6c126]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZN5cling10MetaParser9isCommandERNS_8MetaSema12ActionResultEPNS_5ValueE+0x9e)[0x7f860fa6d25e]
/home/praveen/cern_root/root-612-build/lib/libCling.so(_ZN5cling13MetaProcessor7processEN4llvm9StringRefERNS_11Interpreter17CompilationResultEPNS_5ValueEb+0x189)[0x7f860fa59ff9]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x494aba)[0x7f860f975aba]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x4a68f7)[0x7f860f9878f7]
/home/praveen/cern_root/root-612-build/lib/libCling.so(+0x49ba8b)[0x7f860f97ca8b]
/home/praveen/cern_root/root-612-build/lib/libCore.so(_ZN12TApplication11ExecuteFileEPKcPib+0x91a)[0x7f8614c8346a]
/home/praveen/cern_root/root-612-build/lib/libCore.so(_ZN12TApplication11ProcessLineEPKcbPi+0x9ae)[0x7f8614c84e1e]
/home/praveen/cern_root/root-612-build/lib/libGpad.so(_ZN17TControlBarButton6ActionEv+0x5e)[0x7f8608d2da6e]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN15TRootControlBar14ProcessMessageElll+0x1c)[0x7f8606838d0c]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN7TGFrame19HandleClientMessageEP7Event_t+0x59)[0x7f860685efd9]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN11TGMainFrame19HandleClientMessageEP7Event_t+0x11)[0x7f860686d681]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN7TGFrame11HandleEventEP7Event_t+0x297)[0x7f860686d987]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN8TGClient11HandleEventEP7Event_t+0x48)[0x7f86068ad108]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN8TGClient15ProcessOneEventEv+0xc5)[0x7f86068ad855]
/home/praveen/cern_root/root-612-build/lib/libGui.so(_ZN8TGClient11HandleInputEv+0x1d)[0x7f86068ad8bd]
/home/praveen/cern_root/root-612-build/lib/libCore.so(_ZN11TUnixSystem16DispatchOneEventEb+0x58)[0x7f8614d4f268]
/home/praveen/cern_root/root-612-build/lib/libCore.so(_ZN7TSystem9InnerLoopEv+0x44)[0x7f8614c2f2a4]
/home/praveen/cern_root/root-612-build/lib/libCore.so(_ZN7TSystem3RunEv+0x6f)[0x7f8614c2dfbf]
/home/praveen/cern_root/root-612-build/lib/libCore.so(_ZN12TApplication3RunEb+0x1f)[0x7f8614c8127f]
/home/praveen/cern_root/root-612-build/lib/libRint.so(_ZN5TRint3RunEb+0x437)[0x7f86150a95a7]
/home/praveen/cern_root/root-612-build/bin/root.exe[0x400cbc]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f86140ed830]
/home/praveen/cern_root/root-612-build/bin/root.exe(_start+0x29)[0x400d19]

pree-jackie · February 27, 2018, 7:48pm

======= Memory map: ========
00400000-00402000 r-xp 00000000 08:0a 1576445                            /home/praveen/cern_root/root-612-build/bin/root.exe
00601000-00602000 r--p 00001000 08:0a 1576445                            /home/praveen/cern_root/root-612-build/bin/root.exe
00602000-00603000 rw-p 00002000 08:0a 1576445                            /home/praveen/cern_root/root-612-build/bin/root.exe
007b3000-0b257000 rw-p 00000000 00:00 0                                  [heap]
7f86039d9000-7f8603a1d000 r--p 00000000 08:0a 793530                     /home/praveen/cern_root/root-612-build/fonts/FreeSansBoldOblique.otf
7f8603a1d000-7f8603a87000 r--p 00000000 08:0a 793558                     /home/praveen/cern_root/root-612-build/fonts/FreeSansOblique.otf
7f8603a87000-7f8603aea000 r--p 00000000 08:0a 793533                     /home/praveen/cern_root/root-612-build/fonts/FreeSerifBoldItalic.otf
7f8603aea000-7f86040dc000 r-xp 00000000 00:00 0 
7f86040dc000-7f8604170000 r-xp 00000000 08:0a 2373027                    /home/praveen/cern_root/root-612-build/lib/libGraf3d.so
7f8604170000-7f860436f000 ---p 00094000 08:0a 2373027                    /home/praveen/cern_root/root-612-build/lib/libGraf3d.so
7f860436f000-7f8604379000 r--p 00093000 08:0a 2373027                    /home/praveen/cern_root/root-612-build/lib/libGraf3d.so
7f8604379000-7f860437b000 rw-p 0009d000 08:0a 2373027                    /home/praveen/cern_root/root-612-build/lib/libGraf3d.so
7f860437b000-7f860437f000 rw-p 00000000 00:00 0 
7f860437f000-7f8604599000 r-xp 00000000 08:09 2757251                    /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f8604599000-7f8604798000 ---p 0021a000 08:09 2757251                    /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f8604798000-7f86047b4000 r--p 00219000 08:09 2757251                    /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f86047b4000-7f86047c0000 rw-p 00235000 08:09 2757251                    /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f86047c0000-7f86047c3000 rw-p 00000000 00:00 0 
7f86047c3000-7f8604821000 r-xp 00000000 08:09 2757252                    /lib/x86_64-linux-gnu/libssl.so.1.0.0
7f8604821000-7f8604a21000 ---p 0005e000 08:09 2757252                    /lib/x86_64-linux-gnu/libssl.so.1.0.0
7f8604a21000-7f8604a25000 r--p 0005e000 08:09 2757252                    /lib/x86_64-linux-gnu/libssl.so.1.0.0
7f8604a25000-7f8604a2c000 rw-p 00062000 08:09 2757252                    /lib/x86_64-linux-gnu/libssl.so.1.0.0
7f8604a2c000-7f8604aee000 r-xp 00000000 08:0a 2372926                    /home/praveen/cern_root/root-612-build/lib/libNet.so
7f8604aee000-7f8604ced000 ---p 000c2000 08:0a 2372926                    /home/praveen/cern_root/root-612-build/lib/libNet.so
7f8604ced000-7f8604cf9000 r--p 000c1000 08:0a 2372926                    /home/praveen/cern_root/root-612-build/lib/libNet.so
7f8604cf9000-7f8604cfb000 rw-p 000cd000 08:0a 2372926                    /home/praveen/cern_root/root-612-build/lib/libNet.so
7f8604cfb000-7f8604d02000 rw-p 00000000 00:00 0 
7f8604d02000-7f8604e42000 r-xp 00000000 08:0a 2372945                    /home/praveen/cern_root/root-612-build/lib/libTree.so
7f8604e42000-7f8605042000 ---p 00140000 08:0a 2372945                    /home/praveen/cern_root/root-612-build/lib/libTree.so
7f8605042000-7f8605051000 r--p 00140000 08:0a 2372945                    /home/praveen/cern_root/root-612-build/lib/libTree.so
7f8605051000-7f8605054000 rw-p 0014f000 08:0a 2372945                    /home/praveen/cern_root/root-612-build/lib/libTree.so
7f8605054000-7f8605058000 rw-p 00000000 00:00 0 
7f8605058000-7f8605153000 r--p 00000000 08:0a 793561                     /home/praveen/cern_root/root-612-build/fonts/FreeSans.otf
7f8605153000-7f86051dc000 r-xp 00000000 08:0a 2373024                    /home/praveen/cern_root/root-612-build/lib/libHistPainter.so
7f86051dc000-7f86053dc000 ---p 00089000 08:0a 2373024                    /home/praveen/cern_root/root-612-build/lib/libHistPainter.so
7f86053dc000-7f86053de000 r--p 00089000 08:0a 2373024                    /home/praveen/cern_root/root-612-build/lib/libHistPainter.so
7f86053de000-7f86053e0000 rw-p 0008b000 08:0a 2373024                    /home/praveen/cern_root/root-612-build/lib/libHistPainter.so
7f86053e0000-7f86053e1000 rw-p 00000000 00:00 0 
7f86053e1000-7f86054d5000 r-xp 00000000 08:0a 2367494                    /home/praveen/cern_root/root-612-build/lib/libASImage.so
7f86054d5000-7f86056d4000 ---p 000f4000 08:0a 2367494                    /home/praveen/cern_root/root-612-build/lib/libASImage.so
7f86056d4000-7f86056d7000 r--p 000f3000 08:0a 2367494                    /home/praveen/cern_root/root-612-build/lib/libASImage.so
7f86056d7000-7f86056da000 rw-p 000f6000 08:0a 2367494                    /home/praveen/cern_root/root-612-build/lib/libASImage.so
7f86056da000-7f86056e8000 rw-p 00000000 00:00 0 
7f86056e8000-7f86056ed000 r-xp 00000000 08:09 926943                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f86056ed000-7f86058ec000 ---p 00005000 08:09 926943                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f86058ec000-7f86058ed000 r--p 00004000 08:09 926943                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f86058ed000-7f86058ee000 rw-p 00005000 08:09 926943                     /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f86058ee000-7f86058f7000 r-xp 00000000 08:09 926935                     /usr/lib/x86_64-linux-gnu/libXcursor.so.1.0.2
7f86058f7000-7f8605af6000 ---p 00009000 08:09 926935                     /usr/lib/x86_64-linux-gnu/libXcursor.so.1.0.2
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7f8613c3b000-7f8613c5c000 r-xp 00000000 08:09 2757695                    /lib/x86_64-linux-gnu/liblzma.so.5.0.0
7f8613c5c000-7f8613e5b000 ---p 00021000 08:09 2757695                    /lib/x86_64-linux-gnu/liblzma.so.5.0.0
7f8613e5b000-7f8613e5c000 r--p 00020000 08:09 2757695                    /lib/x86_64-linux-gnu/liblzma.so.5.0.0
7f8613e5c000-7f8613e5d000 rw-p 00021000 08:09 2757695                    /lib/x86_64-linux-gnu/liblzma.so.5.0.0
7f8613e5d000-7f8613ecb000 r-xp 00000000 08:09 2757757                    /lib/x86_64-linux-gnu/libpcre.so.3.13.2
7f8613ecb000-7f86140cb000 ---p 0006e000 08:09 2757757                    /lib/x86_64-linux-gnu/libpcre.so.3.13.2
7f86140cb000-7f86140cc000 r--p 0006e000 08:09 2757757                    /lib/x86_64-linux-gnu/libpcre.so.3.13.2
7f86140cc000-7f86140cd000 rw-p 0006f000 08:09 2757757                    /lib/x86_64-linux-gnu/libpcre.so.3.13.2
7f86140cd000-7f861428c000 r-xp 00000000 08:09 2761791                    /lib/x86_64-linux-gnu/libc-2.23.so
7f861428c000-7f861448c000 ---p 001bf000 08:09 2761791                    /lib/x86_64-linux-gnu/libc-2.23.so
7f861448c000-7f8614490000 r--p 001bf000 08:09 2761791                    /lib/x86_64-linux-gnu/libc-2.23.so
7f8614490000-7f8614492000 rw-p 001c3000 08:09 2761791                    /lib/x86_64-linux-gnu/libc-2.23.so
7f8614492000-7f8614496000 rw-p 00000000 00:00 0 
7f8614496000-7f86144ac000 r-xp 00000000 08:09 2757666                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7f86144ac000-7f86146ab000 ---p 00016000 08:09 2757666                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7f86146ab000-7f86146ac000 rw-p 00015000 08:09 2757666                    /lib/x86_64-linux-gnu/libgcc_s.so.1
7f86146ac000-7f861481e000 r-xp 00000000 08:09 919682                     /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21
7f861481e000-7f8614a1e000 ---p 00172000 08:09 919682                     /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21
7f8614a1e000-7f8614a28000 r--p 00172000 08:09 919682                     /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21
7f8614a28000-7f8614a2a000 rw-p 0017c000 08:09 919682                     /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21
7f8614a2a000-7f8614a2e000 rw-p 00000000 00:00 0 
7f8614a2e000-7f8614e25000 r-xp 00000000 08:0a 2372838                    /home/praveen/cern_root/root-612-build/lib/libCore.so
7f8614e25000-7f8615024000 ---p 003f7000 08:0a 2372838                    /home/praveen/cern_root/root-612-build/lib/libCore.so
7f8615024000-7f861504d000 r--p 003f6000 08:0a 2372838                    /home/praveen/cern_root/root-612-build/lib/libCore.so
7f861504d000-7f8615056000 rw-p 0041f000 08:0a 2372838                    /home/praveen/cern_root/root-612-build/lib/libCore.so
7f8615056000-7f861508b000 rw-p 00000000 00:00 0 
7f861508b000-7f86150b1000 r-xp 00000000 08:0a 2372901                    /home/praveen/cern_root/root-612-build/lib/libRint.so
7f86150b1000-7f86152b1000 ---p 00026000 08:0a 2372901                    /home/praveen/cern_root/root-612-build/lib/libRint.so
7f86152b1000-7f86152b3000 r--p 00026000 08:0a 2372901                    /home/praveen/cern_root/root-612-build/lib/libRint.so
7f86152b3000-7f86152b4000 rw-p 00028000 08:0a 2372901                    /home/praveen/cern_root/root-612-build/lib/libRint.so
7f86152b4000-7f86152da000 r-xp 00000000 08:09 2761780                    /lib/x86_64-linux-gnu/ld-2.23.so
7f86152e8000-7f861534a000 r-xp 00000000 00:00 0 
7f861534a000-7f861537c000 rw-p 00000000 00:00 0 
7f8615392000-7f8615395000 rw-p 00000000 00:00 0 
7f8615395000-7f8615399000 r-xp 00000000 00:00 0 
7f8615399000-7f86153ef000 r--p 00000000 08:0a 793553                     /home/praveen/cern_root/root-612-build/fonts/FreeSansBold.otf
7f86153ef000-7f8615464000 rw-p 00000000 00:00 0 
7f8615464000-7f8615466000 r-xp 00000000 00:00 0 
7f8615466000-7f8615488000 r-xp 00000000 00:00 0 
7f8615488000-7f8615490000 r--p 00000000 08:0a 793550                     /home/praveen/cern_root/root-612-build/fonts/symbol.ttf
7f8615490000-7f8615495000 r-xp 00000000 00:00 0 
7f8615495000-7f86154af000 rw-p 00000000 00:00 0 
7f86154af000-7f86154b0000 r-xp 00000000 00:00 0 
7f86154b0000-7f86154d4000 r-xp 00000000 00:00 0 
7f86154d4000-7f86154d5000 rw-p 00000000 00:00 0 
7f86154d5000-7f86154d7000 r-xp 00000000 00:00 0 
7f86154d7000-7f86154d9000 rw-p 00000000 00:00 0 
7f86154d9000-7f86154da000 r--p 00025000 08:09 2761780                    /lib/x86_64-linux-gnu/ld-2.23.so
7f86154da000-7f86154db000 rw-p 00026000 08:09 2761780                    /lib/x86_64-linux-gnu/ld-2.23.so
7f86154db000-7f86154dc000 rw-p 00000000 00:00 0 
7fff620ce000-7fff62146000 rw-p 00000000 00:00 0                          [stack]
7fff621ea000-7fff621ec000 r--p 00000000 00:00 0                          [vvar]
7fff621ec000-7fff621ee000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

pree-jackie · February 27, 2018, 7:50pm

Root shutdown after this. Do you have any ideas for this ? FYI I’m using dual os machine(ubuntu 16.04, windows)
Thanks
Pree

eguiraud · February 27, 2018, 8:28pm

Hi Pree,
as usual, could you describe step by step (and in detail) what’s the minimum set of actions required to cause the crash?

The dual boot should not cause any problems. We saw that closing the TBrowser by clicking the X icon on the window might cause some problems on your system (for reasons unknown) but I still am not convinced that these crashes also happen if you close the TBrowser with the dedicated menu entry (“Browser”, then “Close Window”).

Cheers,
Enrico

pree-jackie · February 28, 2018, 5:00pm

Hi @eguiraud
It seems like root working properly now. It doesn’t cause any crashes when I close the TBrowser window with the dedicated option “Close Window under Browser”.
But the error (crash malloc(): smallbin double linked list corrupted: 0x0000000002716920)
i mentioned above once occurred when using .demo in root interactive terminal.

Actions I did which cause the crash are :-

```
 root 
```
```
.demo
```

I tried to get output for each option from the list, the crash occurs when I click surfaces option from the list. But now it works nicely, i can’t able to reproduce the problem. I will notify you if i get the problem in future. Please don’t close this issue now I will do it if I don’t get any issues with TBrowsers in future.
Thanks a lot for your kind help
Praveen Velliengiri

eguiraud · February 28, 2018, 5:14pm

Hi Praveen,
glad to hear that!

This is not an issue, it’s a forum post, so the thread closes itself automatically after 14 days. I will not close it before then.

Note however that you are encouraged to start new threads if you encounter new, separate issues.

Cheers,
Enrico

pree-jackie · February 28, 2018, 5:16pm

Hi @eguiraud
I already did one post for inconsistency of .quit or .q command. Please take a look
Thanks
Pree

system · March 14, 2018, 5:17pm

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.