<div dir="ltr"><div><div>Looks to me that<br>static vtkAtomicInt32 GlobalTimeStamp(0)<br><br></div>is being deleted during the finalization before some of the objects have been deleted.<br><br></div>I verified that by printing out the this pointer in the atomic destructor and printing out a message if Increment() is called with an Internal = 0.<br>
<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Aug 25, 2013 at 11:29 AM, Bill Lorensen <span dir="ltr"><<a href="mailto:bill.lorensen@gmail.com" target="_blank">bill.lorensen@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>My linux builds (Fedora and Ubuntu) have started crashing after recent checkins. My MAc builds and runs fine.<br>
<br><br></div><div>The executables crash on exit. Looks like this->Internal is NULL.<br>
<br></div><div>For example when I run Cone,<br>Program received signal SIGSEGV, Segmentation fault.<br>0x011671b8 in vtkAtomicInt32::Increment (this=0x12b1a30)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/Sequential/vtkAtomicInt32.cxx:49<br>
49 this->Internal->AtomicInt32CritSec);<br>Missing separate debuginfos, use: debuginfo-install python-libs-2.6.4-27.fc13.i686<br>(gdb) list<br>44 <br>45 int vtkAtomicInt32::Increment()<br>46 {<br>47 return vtkAtomicInt32Increment(<br>
48 &this->Internal->Value,<br>49 this->Internal->AtomicInt32CritSec);<br>50 <br>51 }<br>52 <br>53 int vtkAtomicInt32::Add(int val)<br>(gdb) print this<br>$1 = (vtkAtomicInt32 * const) 0x12b1a30<br>
(gdb) print this->Internal<br>$2 = (vtkAtomicInt32Internal *) 0x0<br>(gdb) <br><br></div><div>Here is the traceback:<br>#0 0x011671b8 in vtkAtomicInt32::Increment (this=0x12b1a30)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/Sequential/vtkAtomicInt32.cxx:49<br>
#1 0x0112e899 in vtkTimeStamp::Modified (this=0x805c234)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkTimeStamp.cxx:51<br>#2 0x010afdfa in vtkObject::Modified (this=0x805c220)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObject.cxx:854<br>
#3 0x00ffa2ab in vtkCollection::RemoveAllItems (this=0x805c220)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkCollection.cxx:197<br>#4 0x00ff9ec9 in vtkCollection::~vtkCollection (this=0x805c220, <br> __in_chrg=<value optimized out>)<br>
at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkCollection.cxx:39<br>#5 0x010b23cb in vtkObjectFactoryCollection::~vtkObjectFactoryCollection (<br> this=0x805c220, __in_chrg=<value optimized out>)<br>
at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObjectFactoryCollection.h:61<br>#6 0x010b2403 in vtkObjectFactoryCollection::~vtkObjectFactoryCollection (<br> this=0x805c220, __in_chrg=<value optimized out>)<br>
at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObjectFactoryCollection.h:61<br>#7 0x010addc6 in vtkObjectBase::UnRegisterInternal (this=0x805c220, check=1)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObjectBase.cxx:232<br>
#8 0x010b04ee in vtkObject::UnRegisterInternal (this=0x805c220, o=0x0, check=<br> 1) at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObject.cxx:904<br>#9 0x00ffa5d9 in vtkCollection::UnRegister (this=0x805c220, o=0x0)<br>
at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkCollection.cxx:349<br>#10 0x010ada04 in vtkObjectBase::Delete (this=0x805c220)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObjectBase.cxx:134<br>
#11 0x010b3807 in vtkObjectFactory::UnRegisterAllFactories ()<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObjectFactory.cxx:444<br>#12 0x010b45e9 in vtkCleanUpObjectFactory::~vtkCleanUpObjectFactory (this=<br>
0x12b15fe, __in_chrg=<value optimized out>)<br> at /home/lorensen/ProjectsGIT/VTKGerrit/Common/Core/vtkObjectFactory.cxx:40<br>#13 0x006ff618 in __cxa_finalize (d=0x1295678) at cxa_finalize.c:56<br>#14 0x00ee0fa5 in __do_global_dtors_aux ()<br>
from /home/lorensen/ProjectsGIT/VTKGerrit-linux/lib/libvtkCommonCore-6.1.so.1<br>#15 0x01177490 in _fini ()<br> from /home/lorensen/ProjectsGIT/VTKGerrit-linux/lib/libvtkCommonCore-6.1.so.1<br>#16 0x006be3c5 in _dl_fini () at dl-fini.c:248<br>
#17 0x006ff29f in __run_exit_handlers (status=0) at exit.c:78<br>#18 exit (status=0) at exit.c:100<br>#19 0x006e7cce in __libc_start_main (main=0x8049c40 <main()>, argc=1, ubp_av=<br> 0xbffff264, init=0x8049be0 <__libc_csu_init>, fini=<br>
0x8049bd0 <__libc_csu_fini>, rtld_fini=0x6be220 <_dl_fini>, stack_end=<br> 0xbffff25c) at libc-start.c:258<br>#20 0x08049b31 in _start ()<span class="HOEnZb"><font color="#888888"><br><br></font></span></div>
<span class="HOEnZb"><font color="#888888"><div><div><br>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
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