Application: KStars (kstars), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f40024a3940 (LWP 2361))] Thread 4 (Thread 0x7f3fd2281700 (LWP 2509)): #0 0x00007f3ffd67151d in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3ff87d96f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f3ff8795e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f3ff8796330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f3ff879649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f3ffe5a17eb in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3ffe548b4a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f3ffe365834 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f40013473c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007f3ffe36a7be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f3ffd6686ba in start_thread (arg=0x7f3fd2281700) at pthread_create.c:333 #11 0x00007f3ffbf623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f3fd0d04700 (LWP 2368)): #0 0x00007f3ffbf5670d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3ff879638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f3ff879649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f3ffe5a17eb in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f3ffe548b4a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3ffe365834 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f3ffe36a7be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f3ffd6686ba in start_thread (arg=0x7f3fd0d04700) at pthread_create.c:333 #8 0x00007f3ffbf623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f3fecbb1700 (LWP 2362)): #0 0x00007f3ffbf5670d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f3ff666bc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f3ff666d8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f3feef03889 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f3ffe36a7be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f3ffd6686ba in start_thread (arg=0x7f3fecbb1700) at pthread_create.c:333 #6 0x00007f3ffbf623dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f40024a3940 (LWP 2361)): [KCrash Handler] #6 0x00007f3ffe3fbd2b in operator==(QString const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x000055641d748601 in operator!= (s2=..., s1=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:627 #8 Ekos::FilterManager::refreshFilterModel (this=this@entry=0x5564233308a0) at /build/kstars-bleeding-l_5TA_/kstars-bleeding-17.12+201711051535~ubuntu16.04.1/kstars/ekos/auxiliary/filtermanager.cpp:79 #9 0x000055641d7498b8 in Ekos::FilterManager::setCurrentFilter (this=0x5564233308a0, filter=0x5564255efc00) at /build/kstars-bleeding-l_5TA_/kstars-bleeding-17.12+201711051535~ubuntu16.04.1/kstars/ekos/auxiliary/filtermanager.cpp:185 #10 0x000055641d753737 in Ekos::Capture::checkFilter (this=0x556423783f10, filterNum=) at /build/kstars-bleeding-l_5TA_/kstars-bleeding-17.12+201711051535~ubuntu16.04.1/kstars/ekos/capture/capture.cpp:984 #11 0x000055641d64b5ca in Ekos::Capture::qt_static_metacall (_o=, _c=, _id=, _a=) at /build/kstars-bleeding-l_5TA_/kstars-bleeding-17.12+201711051535~ubuntu16.04.1/obj-x86_64-linux-gnu/kstars/moc_capture.cpp:507 #12 0x00007f3ffe579d2a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f3fff3cb251 in QComboBox::activated(int) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #14 0x00007f3fff3cd6bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007f3fff3cff49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #16 0x00007f3fff3d55dd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #17 0x00007f3ffe579d2a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #18 0x00007f3fff654132 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007f3fff3cbc38 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #20 0x00007f3ffe54b172 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f3fff2b903c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007f3fff2bec19 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #23 0x00007f3ffe54b38b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f3fff2bdb32 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #25 0x00007f3fff31691d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #26 0x00007f3fff318b7b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #27 0x00007f3fff2b905c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #28 0x00007f3fff2be516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #29 0x00007f3ffe54b38b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #30 0x00007f3ffeae84e1 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #31 0x00007f3ffeaea1a5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #32 0x00007f3ffeacdf08 in QWindowSystemInterface::sendWindowSystemEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #33 0x00007f3feef35200 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #34 0x00007f3ff8796197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #35 0x00007f3ff87963f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #36 0x00007f3ff879649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #37 0x00007f3ffe5a17cf in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #38 0x00007f3ffe548b4a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #39 0x00007f3ffe550bec in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #40 0x000055641d4e842d in main (argc=1, argv=) at /build/kstars-bleeding-l_5TA_/kstars-bleeding-17.12+201711051535~ubuntu16.04.1/kstars/main.cpp:321