. Thread 5 (Thread 4976): #0 0x00007f99f21dfbac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007f99f3bb02a2 in ?? () from /usr/lib/libQtScript.so.4 No symbol table info available. #2 0x00007f99f3bb02d9 in ?? () from /usr/lib/libQtScript.so.4 No symbol table info available. #3 0x00007f99f21dad8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #4 0x00007f99f178504d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x0000000000000000 in ?? () No symbol table info available. . Thread 4 (Thread 4975): #0 0x00007f99f1777f03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f99efcfd104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f99efcfd639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f99f25783ef in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #4 0x00007f99f254c882 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #5 0x00007f99f254cabc in QEventLoop::exec(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #6 0x00007f99f2463924 in QThread::exec() () from /usr/lib/libQtCore.so.4 No symbol table info available. #7 0x00007f99f252ec2f in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #8 0x00007f99f2466175 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #9 0x00007f99f21dad8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #10 0x00007f99f178504d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #11 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 4961): #0 0x00007f99f1777f03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f99efcfd104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f99efcfd9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f99ec65cd44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f99efd243e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f99f21dad8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f99f178504d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 4963): #0 0x00007f99f1777f03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f99efcfd104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f99efcfd639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f99f25783ef in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #4 0x00007f99f254c882 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #5 0x00007f99f254cabc in QEventLoop::exec(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #6 0x00007f99f2463924 in QThread::exec() () from /usr/lib/libQtCore.so.4 No symbol table info available. #7 0x00007f99f252ec2f in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #8 0x00007f99f2466175 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #9 0x00007f99f21dad8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #10 0x00007f99f178504d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #11 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 4959): #0 0x00007f99f2c924d4 in QTextLine::textStart() const () from /usr/lib/libQtGui.so.4 No symbol table info available. #1 0x00007f99f2cd03f1 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #2 0x00007f99f2cd2c5a in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #3 0x00007f99f2cd47c6 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #4 0x00007f99f2cdd176 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #5 0x00007f99f2c84770 in QTextControl::drawContents(QPainter*, QRectF const&, QWidget*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #6 0x00007f99f2ea8e43 in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #7 0x00007f99f2ea8f1f in QTextEdit::paintEvent(QPaintEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #8 0x00007f99f2a8cc6a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #9 0x00007f99f2e3ca66 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #10 0x00007f99f254d627 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #11 0x00007f99f2a3b9b1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #12 0x00007f99f2a403aa in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #13 0x00007f99f254d49c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #14 0x00007f99f2a89abd in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #15 0x00007f99f2c4e29f in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #16 0x00007f99f2a7ff50 in QWidgetPrivate::syncBackingStore() () from /usr/lib/libQtGui.so.4 No symbol table info available. #17 0x00007f99f2a8d184 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #18 0x00007f99f2e5651b in QMainWindow::event(QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #19 0x000000000049b6ea in TeXDocument::event(QEvent*) () No symbol table info available. #20 0x00007f99f2a3b9e4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #21 0x00007f99f2a403aa in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 No symbol table info available. #22 0x00007f99f254d49c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #23 0x00007f99f2550c25 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4 No symbol table info available. #24 0x00007f99f2578253 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #25 0x00007f99efcfcbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #26 0x00007f99efcfd3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #27 0x00007f99efcfd639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #28 0x00007f99f25783ef in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #29 0x00007f99f2ae2dfe in ?? () from /usr/lib/libQtGui.so.4 No symbol table info available. #30 0x00007f99f254c882 in QEventLoop::processEvents(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #31 0x00007f99f254cabc in QEventLoop::exec(QFlags) () from /usr/lib/libQtCore.so.4 No symbol table info available. #32 0x00007f99f2550ecb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 No symbol table info available. #33 0x00000000004679df in main () No symbol table info available.