Application: qtcreator (qtcreator), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f1fdd190780 (LWP 1440))] Thread 10 (Thread 0x7f1fad004700 (LWP 11903)): #0 0x00007f1fe062600c in futex_wait_cancelable (private=0, expected=0, futex_word=0x7f1f69c41154) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f1fe062600c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55e5b692a1c0, cond=0x7f1f69c41128) at pthread_cond_wait.c:502 #2 0x00007f1fe062600c in __pthread_cond_wait (cond=0x7f1f69c41128, mutex=0x55e5b692a1c0) at pthread_cond_wait.c:655 #3 0x00007f1fe054a3bc in std::condition_variable::wait(std::unique_lock&) () at /lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007f1f6916c542 in () at /lib/x86_64-linux-gnu/libQt5WebKit.so.5 #5 0x00007f1f6916c659 in () at /lib/x86_64-linux-gnu/libQt5WebKit.so.5 #6 0x00007f1fe054fb2f in () at /lib/x86_64-linux-gnu/libstdc++.so.6 #7 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7f1faffff700 (LWP 1555)): #0 0x00007f1fe0629544 in __libc_read (nbytes=16, buf=0x7f1fafffebe0, fd=25) at ../sysdeps/unix/sysv/linux/read.c:26 #1 0x00007f1fe0629544 in __libc_read (fd=25, buf=0x7f1fafffebe0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007f1fdf617c40 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f1fdf5d1ccf in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f1fdf5d21a0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f1fdf5d231c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007f1fe0988743 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f1fe0785e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f1fdffe2c65 in () at /usr/bin/../lib/x86_64-linux-gnu/qtcreator/../libQt5Qml.so.5 #10 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #12 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f1fbd8c0700 (LWP 1549)): #0 0x00007f1fe0629544 in __libc_read (nbytes=16, buf=0x7f1fbd8bfbe0, fd=24) at ../sysdeps/unix/sysv/linux/read.c:26 #1 0x00007f1fe0629544 in __libc_read (fd=24, buf=0x7f1fbd8bfbe0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24 #2 0x00007f1fdf617c40 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f1fdf5d1ccf in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f1fdf5d21a0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f1fdf5d231c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007f1fe0988743 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f1fe0785e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f1fdffe2c65 in () at /usr/bin/../lib/x86_64-linux-gnu/qtcreator/../libQt5Qml.so.5 #10 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #12 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f1fbe0c1700 (LWP 1539)): #0 0x00007f1fe0223589 in __GI___poll (fds=0x7f1fb4004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f1fdf5d21f6 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f1fdf5d231c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f1fe0988743 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f1fe0785e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f1fbe8c2700 (LWP 1537)): #0 0x00007f1fe0223589 in __GI___poll (fds=0x7f1fb0003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f1fdf5d21f6 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f1fdf5d231c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f1fe0988743 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f1fe0785e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f1fbf102700 (LWP 1536)): #0 0x00007f1fe0223589 in __GI___poll (fds=0x7f1fb8004a10, nfds=1, timeout=10288) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f1fdf5d21f6 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f1fdf5d231c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f1fe0988743 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f1fe0785e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #8 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f1fcee17700 (LWP 1459)): #0 0x00007f1fe0223589 in __GI___poll (fds=0x7f1fc0019a30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f1fdf5d21f6 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f1fdf5d231c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f1fe0988743 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f1fe0785e76 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f1fdc901545 in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #9 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f1fcf81f700 (LWP 1458)): #0 0x00007f1fe062600c in futex_wait_cancelable (private=0, expected=0, futex_word=0x55e5b08b7688) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f1fe062600c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55e5b08b7638, cond=0x55e5b08b7660) at pthread_cond_wait.c:502 #2 0x00007f1fe062600c in __pthread_cond_wait (cond=0x55e5b08b7660, mutex=0x55e5b08b7638) at pthread_cond_wait.c:655 #3 0x00007f1fd399ab23 in () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so #4 0x00007f1fd399a877 in () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so #5 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #6 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f1fdb755700 (LWP 1457)): #0 0x00007f1fe0223589 in __GI___poll (fds=0x7f1fdb754d38, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f1fdd5d3cf7 in () at /lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f1fdd5d591a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f1fdca0ed79 in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f1fe078fa67 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f1fe061ffa3 in start_thread (arg=) at pthread_create.c:486 #6 0x00007f1fe022deff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f1fdd190780 (LWP 1440)): [KCrash Handler] #6 0x00007f1fc7800b8b in () at /lib/x86_64-linux-gnu/libQt5DesignerComponents.so.5 #7 0x00007f1fc785fc05 in () at /lib/x86_64-linux-gnu/libQt5DesignerComponents.so.5 #8 0x00007f1fc781fb67 in () at /lib/x86_64-linux-gnu/libQt5DesignerComponents.so.5 #9 0x00007f1fe0960933 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f1fc78ff72f in () at /lib/x86_64-linux-gnu/libQt5DesignerComponents.so.5 #11 0x00007f1fe0960933 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f1fc78ff65f in () at /lib/x86_64-linux-gnu/libQt5DesignerComponents.so.5 #13 0x00007f1fe0960933 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007f1fc782c453 in () at /lib/x86_64-linux-gnu/libQt5DesignerComponents.so.5 #15 0x00007f1fe0960933 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007f1fe1544602 in QAbstractButton::clicked(bool) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #17 0x00007f1fe154481a in () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007f1fe1545bdf in () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007f1fe1545db5 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #20 0x00007f1fe162f91a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #21 0x00007f1fe149c4d8 in QWidget::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007f1fe162f9c3 in QToolButton::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #23 0x00007f1fe145e4c1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #24 0x00007f1fe1465bb8 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #25 0x00007f1fe0937489 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f1fe1464ee9 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #27 0x00007f1fe14b6fd4 in () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #28 0x00007f1fe14b9b5e in () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #29 0x00007f1fe145e4c1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #30 0x00007f1fe1465970 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #31 0x00007f1fe0937489 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007f1fe0e8f003 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #33 0x00007f1fe0e90e85 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #34 0x00007f1fe0e6b07b in QWindowSystemInterface::sendWindowSystemEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #35 0x00007f1fdcaa549b in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #36 0x00007f1fe093615b in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007f1fe093e132 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #38 0x000055e5aefbc04f in () #39 0x00007f1fe015909b in __libc_start_main (main=0x55e5aefb9a40, argc=3, argv=0x7ffc23a2c5f8, init=, fini=, rtld_fini=, stack_end=0x7ffc23a2c5e8) at ../csu/libc-start.c:308 #40 0x000055e5aefbc50a in () [Inferior 1 (process 1440) detached]