(lldb) target create "./qgis" --core "core"
Core file '/home/ben/apps/qgis-2.12/bin/core' (x86_64) was loaded.
Process 0 stopped
* thread #1: tid = 0, 0x00007f4f75246807 libQtGui.so.4`QTextEngine::itemize() const + 39, name = 'qgis', stop reason = signal SIGSEGV
    frame #0: 0x00007f4f75246807 libQtGui.so.4`QTextEngine::itemize() const + 39
-> 0x7f4f75246807 <QTextEngine::itemize+39>: addb   %al, (%rax)
   0x7f4f75246809 <QTextEngine::itemize+41>: addb   %al, (%rax)
   0x7f4f7524680b <QTextEngine::itemize+43>: addb   %al, (%rax)
   0x7f4f7524680d <QTextEngine::itemize+45>: addb   %al, (%rax)
  thread #2: tid = 1, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #3: tid = 2, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #4: tid = 3, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #5: tid = 4, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #6: tid = 5, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #7: tid = 6, 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318
-> 0x7f4f6e44f7ce <__pthread_cond_timedwait+318>: addb   %al, (%rax)
   0x7f4f6e44f7d0 <__pthread_cond_timedwait+320>: addb   %al, (%rax)
   0x7f4f6e44f7d2 <__pthread_cond_timedwait+322>: addb   %al, (%rax)
   0x7f4f6e44f7d4 <__pthread_cond_timedwait+324>: addb   %al, (%rax)
  thread #8: tid = 7, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #9: tid = 8, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #10: tid = 9, 0x00007f4f6e44f414 libpthread.so.0`__pthread_cond_wait + 196, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f6e44f414 libpthread.so.0`__pthread_cond_wait + 196
-> 0x7f4f6e44f414 <__pthread_cond_wait+196>: addb   %al, (%rax)
   0x7f4f6e44f416 <__pthread_cond_wait+198>: addb   %al, (%rax)
   0x7f4f6e44f418 <__pthread_cond_wait+200>: addb   %al, (%rax)
   0x7f4f6e44f41a <__pthread_cond_wait+202>: addb   %al, (%rax)
  thread #11: tid = 10, 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318
-> 0x7f4f6e44f7ce <__pthread_cond_timedwait+318>: addb   %al, (%rax)
   0x7f4f6e44f7d0 <__pthread_cond_timedwait+320>: addb   %al, (%rax)
   0x7f4f6e44f7d2 <__pthread_cond_timedwait+322>: addb   %al, (%rax)
   0x7f4f6e44f7d4 <__pthread_cond_timedwait+324>: addb   %al, (%rax)
  thread #12: tid = 11, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #13: tid = 12, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #14: tid = 13, 0x00007f4f6e44f414 libpthread.so.0`__pthread_cond_wait + 196, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f6e44f414 libpthread.so.0`__pthread_cond_wait + 196
-> 0x7f4f6e44f414 <__pthread_cond_wait+196>: addb   %al, (%rax)
   0x7f4f6e44f416 <__pthread_cond_wait+198>: addb   %al, (%rax)
   0x7f4f6e44f418 <__pthread_cond_wait+200>: addb   %al, (%rax)
   0x7f4f6e44f41a <__pthread_cond_wait+202>: addb   %al, (%rax)
  thread #15: tid = 14, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #16: tid = 15, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #17: tid = 16, 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318
-> 0x7f4f6e44f7ce <__pthread_cond_timedwait+318>: addb   %al, (%rax)
   0x7f4f6e44f7d0 <__pthread_cond_timedwait+320>: addb   %al, (%rax)
   0x7f4f6e44f7d2 <__pthread_cond_timedwait+322>: addb   %al, (%rax)
   0x7f4f6e44f7d4 <__pthread_cond_timedwait+324>: addb   %al, (%rax)
  thread #18: tid = 17, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #19: tid = 18, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #20: tid = 19, 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f6e44f7ce libpthread.so.0`__pthread_cond_timedwait + 318
-> 0x7f4f6e44f7ce <__pthread_cond_timedwait+318>: addb   %al, (%rax)
   0x7f4f6e44f7d0 <__pthread_cond_timedwait+320>: addb   %al, (%rax)
   0x7f4f6e44f7d2 <__pthread_cond_timedwait+322>: addb   %al, (%rax)
   0x7f4f6e44f7d4 <__pthread_cond_timedwait+324>: addb   %al, (%rax)
  thread #21: tid = 20, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
  thread #22: tid = 21, 0x00007f4f7463312d libc.so.6`__poll + 45, stop reason = signal SIGSEGV
    frame #0: 0x00007f4f7463312d libc.so.6`__poll + 45
-> 0x7f4f7463312d <__poll+45>: addb   %al, (%rax)
   0x7f4f7463312f <__poll+47>: addb   %al, (%rax)
   0x7f4f74633131 <__poll+49>: addb   %al, (%rax)
   0x7f4f74633133 <__poll+51>: addb   %al, (%rax)
(lldb) bt
* thread #1: tid = 0, 0x00007f4f75246807 libQtGui.so.4`QTextEngine::itemize() const + 39, name = 'qgis', stop reason = signal SIGSEGV
  * frame #0: 0x00007f4f75246807 libQtGui.so.4`QTextEngine::itemize() const + 39
    frame #1: 0x00007f4f75247b65 libQtGui.so.4`QTextEngine::attributes() const + 69
    frame #2: 0x00007f4f75255de2 libQtGui.so.4`QTextLine::layout_helper(int) + 626
    frame #3: 0x00007f4f752f1acd libQtGui.so.4`??? + 317
    frame #4: 0x00007f4f752f2599 libQtGui.so.4`??? + 89
    frame #5: 0x00007f4f752f2e57 libQtGui.so.4`QCommonStyle::sizeFromContents(QStyle::ContentsType, QStyleOption const*, QSize const&, QWidget const*) const + 375
    frame #6: 0x00007f4f7539f49a libQtGui.so.4`QWindowsStyle::sizeFromContents(QStyle::ContentsType, QStyleOption const*, QSize const&, QWidget const*) const + 426
    frame #7: 0x00007f4f75391011 libQtGui.so.4`QCleanlooksStyle::sizeFromContents(QStyle::ContentsType, QStyleOption const*, QSize const&, QWidget const*) const + 33
    frame #8: 0x00007f4f7536d967 libQtGui.so.4`QGtkStyle::sizeFromContents(QStyle::ContentsType, QStyleOption const*, QSize const&, QWidget const*) const + 39
    frame #9: 0x00007f4f7532d877 libQtGui.so.4`??? + 535
    frame #10: 0x00007f4f7558eb02 libQtGui.so.4`QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const + 290
    frame #11: 0x00007f4f7550dbc5 libQtGui.so.4`??? + 581
    frame #12: 0x00007f4f75519d40 libQtGui.so.4`QListView::updateGeometries() + 224
    frame #13: 0x00007f4f750482ce libQtGui.so.4`QWidget::event(QEvent*) + 2174
    frame #14: 0x00007f4f753ea04e libQtGui.so.4`QFrame::event(QEvent*) + 30
    frame #15: 0x00007f4f754f9633 libQtGui.so.4`QAbstractItemView::viewportEvent(QEvent*) + 467
    frame #16: 0x00007f4f75c5f646 libQtCore.so.4`QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 134
    frame #17: 0x00007f4f74ff8e0c libQtGui.so.4`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 108
    frame #18: 0x00007f4f74fff4a0 libQtGui.so.4`QApplication::notify(QObject*, QEvent*) + 624
    frame #19: 0x00007f4f76b4bd01 libqgis_core.so.2.12.0`QgsApplication::notify(this=0x00007ffca50c9d50, receiver=0x0000000002e93e40, event=0x00007ffca48d0c40) + 131 at qgsapplication.cpp:269
    frame #20: 0x00007f4f75c5f4dd libQtCore.so.4`QCoreApplication::notifyInternal(QObject*, QEvent*) + 109
    frame #21: 0x00007f4f7509122e libQtGui.so.4`QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 782
    frame #22: 0x00007f4f75040a75 libQtGui.so.4`QWidget::setGeometry(QRect const&) + 277
    frame #23: 0x00007f4f75465081 libQtGui.so.4`QAbstractScrollAreaPrivate::layoutChildren() + 785
    frame #24: 0x00007f4f754664fd libQtGui.so.4`QAbstractScrollArea::event(QEvent*) + 781
    frame #25: 0x00007f4f754f92fb libQtGui.so.4`QAbstractItemView::event(QEvent*) + 139
    frame #26: 0x00007f4f74ff8e2c libQtGui.so.4`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 140
    frame #27: 0x0000000001055810