(gdb) backtrace<br>#0 0x00007f499c9022f0 in QWidget::palette() const () from /usr/lib/libQtGui.so.4<br>#1 0x000000000041af8a in ?? ()<br>#2 0x000000000041b10a in ?? ()<br>#3 0x000000000041d60c in ?? ()<br>#4 0x000000000041e028 in ?? ()<br>
#5 0x0000000000423940 in ?? ()<br>#6 0x000000000041f8ca in ?? ()<br>#7 0x0000000000423910 in ?? ()<br>#8 0x00007f499ce46ba6 in ?? () from /usr/lib/libQtGui.so.4<br>#9 0x000000000041ccb7 in ?? ()<br>#10 0x000000000044c0c7 in ?? ()<br>
#11 0x000000000045517c in ?? ()<br>#12 0x000000000045ab2b in ?? ()<br>#13 0x000000000045b6eb in ?? ()<br>#14 0x00000000004a347e in ?? ()<br>#15 0x00007f499c39618f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) ()<br>
from /usr/lib/libQtCore.so.4<br>#16 0x00007f499cf326e2 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4<br>#17 0x00007f499cc7916b in ?? () from /usr/lib/libQtGui.so.4<br>#18 0x00007f499cc7a73b in ?? () from /usr/lib/libQtGui.so.4<br>
#19 0x00007f499cc7a9ac in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4<br>#20 0x00007f499cd3717a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4<br>#21 0x00007f499c91075c in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4<br>
#22 0x00007f499c8bed14 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4<br>#23 0x00007f499c8c415a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4<br>#24 0x00007f499c380c8c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4<br>
#25 0x00007f499c8bfd25 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4<br>#26 0x00007f499c93ec88 in ?? () from /usr/lib/libQtGui.so.4<br>
#27 0x00007f499c93d349 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4<br>#28 0x00007f499c965832 in ?? () from /usr/lib/libQtGui.so.4<br>#29 0x00007f499a5854a3 in g_main_context_dispatch () from /lib/libglib-2.0.so.0<br>
---Type <return> to continue, or q <return> to quit---<br>#30 0x00007f499a585c80 in ?? () from /lib/libglib-2.0.so.0<br>#31 0x00007f499a585f1d in g_main_context_iteration () from /lib/libglib-2.0.so.0<br>#32 0x00007f499c3abd8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()<br>
from /usr/lib/libQtCore.so.4<br>#33 0x00007f499c9654de in ?? () from /usr/lib/libQtGui.so.4<br>#34 0x00007f499c380022 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()<br> from /usr/lib/libQtCore.so.4<br>
#35 0x00007f499c38026c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4<br>#36 0x00007f499c38476b in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4<br>#37 0x0000000000418c84 in ?? ()<br>
#38 0x00007f499b50bc4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, <br> ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, <br>
rtld_fini=<value optimized out>, stack_end=0x7fff9ffc79d8) at libc-start.c:228<br>#39 0x00000000004183f9 in ?? ()<br>#40 0x00007fff9ffc79d8 in ?? ()<br>#41 0x000000000000001c in ?? ()<br>#42 0x0000000000000001 in ?? ()<br>
#43 0x00007fff9ffc8609 in ?? ()<br>#44 0x0000000000000000 in ?? ()<br>(gdb) <br><br>