gdb freecad-git
GNU gdb (GDB) 7.5.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/freecad-git...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/freecad-git 
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3400.3-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
FreeCAD 0.13, Libs: 0.13R1827 (Git)
© Juergen Riegel, Werner Mayer, Yorik van Havre 2001-2011
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[New Thread 0x7fffdab23700 (LWP 3658)]
matplotlib not found, Plot module will be disabled
pycollada not found, collada support will be disabled.
[New Thread 0x7fffcb093700 (LWP 3659)]
[New Thread 0x7fff88f9f700 (LWP 3660)]
[New Thread 0x7fff83fff700 (LWP 3661)]
[New Thread 0x7fff837fe700 (LWP 3662)]
[New Thread 0x7fff816bc700 (LWP 3663)]
[New Thread 0x7fff80ebb700 (LWP 3664)]
[New Thread 0x7fff73fff700 (LWP 3665)]
[New Thread 0x7fff737fe700 (LWP 3666)]
[New Thread 0x7fff72ffd700 (LWP 3667)]
[New Thread 0x7fff7238c700 (LWP 3668)]
[New Thread 0x7fff71b8b700 (LWP 3669)]
[New Thread 0x7fff7138a700 (LWP 3670)]
[New Thread 0x7fff70b89700 (LWP 3671)]
[Thread 0x7fff71b8b700 (LWP 3669) exited]
[Thread 0x7fff7138a700 (LWP 3670) exited]
[Thread 0x7fff70b89700 (LWP 3671) exited]
[Thread 0x7fff72ffd700 (LWP 3667) exited]
[Thread 0x7fff737fe700 (LWP 3666) exited]
[Thread 0x7fff7238c700 (LWP 3668) exited]
Transformed shape does not intersect support Pocket003: Removed
Transformed shape does not intersect support Pocket003: Removed
[Thread 0x7fff80ebb700 (LWP 3664) exited]
[Thread 0x7fff73fff700 (LWP 3665) exited]
Transformed shape does not intersect support Pocket003: Removed
Transformed shape does not intersect support Pocket003: Removed

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff68545e1 in ?? () from /usr/lib/libQtGui.so.4
(gdb) bt
#0  0x00007ffff68545e1 in ?? () from /usr/lib/libQtGui.so.4
#1  0x00007ffff66dead3 in QWidgetPrivate::paintBackground(QPainter*, QRegion const&, int) const () from /usr/lib/libQtGui.so.4
#2  0x00007ffff66e455a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQtGui.so.4
#3  0x00007ffff68aec4d in ?? () from /usr/lib/libQtGui.so.4
#4  0x00007ffff66d98b0 in QWidgetPrivate::syncBackingStore() () from /usr/lib/libQtGui.so.4
#5  0x00007ffff66e8ea4 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#6  0x00007ffff6aad25b in QMainWindow::event(QEvent*) () from /usr/lib/libQtGui.so.4
#7  0x00007ffff76eda2b in Gui::MainWindow::event(QEvent*) () from /usr/lib/freecad-git/lib/libFreeCADGui.so.2
#8  0x00007ffff669918c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007ffff669d60a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007ffff760915f in Gui::GUIApplication::notify(QObject*, QEvent*) () from /usr/lib/freecad-git/lib/libFreeCADGui.so.2
#11 0x00007ffff5ab36ae in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007ffff5ab7011 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#13 0x00007ffff5ae19d3 in ?? () from /usr/lib/libQtCore.so.4
#14 0x00007fffeddca845 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#15 0x00007fffeddcab78 in ?? () from /usr/lib/libglib-2.0.so.0
#16 0x00007fffeddcac34 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#17 0x00007ffff5ae1b66 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#18 0x00007ffff673969e in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007ffff5ab23ff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0x00007ffff5ab2688 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x00007ffff5ab7328 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#22 0x00007ffff76067eb in Gui::Application::runApplication() () from /usr/lib/freecad-git/lib/libFreeCADGui.so.2
#23 0x00000000004040d6 in ?? ()
#24 0x00007ffff4ac2a15 in __libc_start_main () from /usr/lib/libc.so.6
#25 0x00000000004053a1 in ?? ()