. Thread 3 (Thread 0x7fafd6d81700 (LWP 3640)): #0 0x00007faff5b7903b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007faff2cee435 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007faff2c8913e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007faff2cd4d31 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007faff2cd4485 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007faff5b74e2b in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007faff38f60dd 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 0x7fafdffff700 (LWP 3584)): #0 0x00007faff38ea893 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007faff2cb2e86 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007faff2cb32ea in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fafecf28e26 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007faff2cd4485 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007faff5b74e2b in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007faff38f60dd 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 1 (Thread 0x7faff657c7a0 (LWP 3581)): #0 0x00007faff38483b5 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007faff384bb1b in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00007faff3883f73 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #3 0x00007faff388e8f6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #4 0x00007faff3892bdc in free () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x00007fafec4d2928 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #6 0x00007faff256db73 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007fafec4c1f49 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #8 0x00007fafec4c2835 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #9 0x00007faff256db73 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #10 0x00007fafec46692b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #11 0x00007fafec49bcdf in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #12 0x00007faff256a2ba in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #13 0x00007faff257a4d7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #14 0x00007faff2581feb in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #15 0x00007faff25821b2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #16 0x00007fafec5410f0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #17 0x00007faff256ef40 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #18 0x00007fafec46692b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #19 0x00007fafec49bcdf in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #20 0x00007faff256a2ba in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #21 0x00007faff257a4d7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #22 0x00007faff2581feb in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #23 0x00007faff25821b2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #24 0x00007fafec5410f0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #25 0x00007faff256ef40 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #26 0x00007fafec49bcdf in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #27 0x00007faff256a364 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #28 0x00007faff257a4d7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #29 0x00007faff2581feb in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #30 0x00007faff25821b2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #31 0x00007fafec5410f0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #32 0x00007faff256ef40 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #33 0x00007faff54075e7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #34 0x00007faff554d638 in QFileDialog::getOpenFileName(QWidget*, QString const&, QString const&, QString const&, QString*, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #35 0x00000000004a2660 in ?? () No symbol table info available. #36 0x00000000004bdf7f in ?? () No symbol table info available. #37 0x00007faff4810a09 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #38 0x00007faff5063e82 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #39 0x00007faff506406f in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #40 0x00007faff48159c6 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #41 0x00007faff5064140 in QAction::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #42 0x00007faff506a5e4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #43 0x00007faff506f463 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #44 0x00007faff47fc41c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #45 0x00007faff48001ea in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #46 0x00007faff482b513 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #47 0x00007faff2cb2b2a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #48 0x00007faff2cb2ef0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #49 0x00007faff2cb2fb4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #50 0x00007faff482b93f in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #51 0x00007faff51121ce in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #52 0x00007faff47fb202 in QEventLoop::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #53 0x00007faff47fb457 in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #54 0x00007faff48004e7 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #55 0x000000000041fe69 in ?? () No symbol table info available. #56 0x00007faff383330d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #57 0x0000000000420851 in ?? () No symbol table info available. #58 0x00007fff61206828 in ?? () No symbol table info available. #59 0x000000000000001c in ?? () No symbol table info available. #60 0x0000000000000001 in ?? () No symbol table info available. #61 0x00007fff612089ac in ?? () No symbol table info available. #62 0x0000000000000000 in ?? () No symbol table info available.