https://bugs.kde.org/show_bug.cgi?id=379120
Bug ID: 379120 Summary: Discover Applications would crash when clicking back button Product: Discover Version: 5.9.4 Platform: Ubuntu Packages OS: Linux Status: UNCONFIRMED Keywords: drkonqi Severity: crash Priority: NOR Component: discover Assignee: aleix...@kde.org Reporter: cruzh...@att.net Target Milestone: --- Application: plasma-discover (5.9.4) Qt Version: 5.7.1 Frameworks Version: 5.31.0 Operating System: Linux 4.10.0-19-generic x86_64 Distribution: Ubuntu 17.04 -- Information about the crash: - What I was doing when the application crashed: When I would view an application then click the back button, the application would crash. I could restart the program and repeat several times in a row. The crash can be reproduced every time. -- Backtrace: Application: Discover (plasma-discover), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fc8342e1440 (LWP 3887))] Thread 10 (Thread 0x7fc790ff9700 (LWP 3927)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fc830284b4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007fc8336ca495 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007fc8336cad8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fc82c65e6da in start_thread (arg=0x7fc790ff9700) at pthread_create.c:456 #6 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 9 (Thread 0x7fc7ed2fb700 (LWP 3902)): #0 0x00007fc82f876cad in read () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc82a553b30 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc82a50f042 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc82a50f514 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fc82a50f68c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fc8304a7f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fc83045188a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fc83027efe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fc82c65e6da in start_thread (arg=0x7fc7ed2fb700) at pthread_create.c:456 #10 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 8 (Thread 0x7fc7fccd3700 (LWP 3897)): #0 0x00007fc82f87b18d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc82a50f576 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc82a50f68c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc8304a7f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fc83045188a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fc83027efe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fc82c65e6da in start_thread (arg=0x7fc7fccd3700) at pthread_create.c:456 #8 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 7 (Thread 0x7fc7fe9a3700 (LWP 3895)): #0 0x00007fc82a50c55f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fc82a50ea0b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc82a50f49b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc82a50f902 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fc800793476 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #5 0x00007fc82a536f65 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007fc82c65e6da in start_thread (arg=0x7fc7fe9a3700) at pthread_create.c:456 #7 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 6 (Thread 0x7fc7ff1a4700 (LWP 3894)): #0 0x00007fc82f87b18d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc82a50f576 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc82a50f68c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc82a50f6d1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fc82a536f65 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fc82c65e6da in start_thread (arg=0x7fc7ff1a4700) at pthread_create.c:456 #6 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 5 (Thread 0x7fc8118b5700 (LWP 3893)): #0 0x00007fc82a554ef4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fc82a50f696 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc8304a7f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fc83045188a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fc83027efe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fc83365b4c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fc82c65e6da in start_thread (arg=0x7fc8118b5700) at pthread_create.c:456 #8 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 4 (Thread 0x7fc8135ef700 (LWP 3891)): #0 0x00007fc82f87b18d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc82a50f576 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc82a50f68c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc8304a7f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fc83045188a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fc83027efe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fc830e08df5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fc82c65e6da in start_thread (arg=0x7fc8135ef700) at pthread_create.c:456 #9 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 3 (Thread 0x7fc818b98700 (LWP 3890)): #0 0x00007fc82a554ed9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fc82a50ea79 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc82a50f49b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc82a50f68c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fc8304a7f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fc83045188a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fc83027efe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fc8320dd5c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #8 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fc82c65e6da in start_thread (arg=0x7fc818b98700) at pthread_create.c:456 #10 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 2 (Thread 0x7fc821884700 (LWP 3889)): #0 0x00007fc82f87b18d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc82a0a4c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fc82a0a68d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fc82440eed9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007fc830283c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fc82c65e6da in start_thread (arg=0x7fc821884700) at pthread_create.c:456 #6 0x00007fc82f88717f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 Thread 1 (Thread 0x7fc8342e1440 (LWP 3887)): [KCrash Handler] #6 0x00007fc830453821 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fc8336dc469 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007fc8336e5357 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007fc8336e56e1 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007fc8319bd35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #11 0x00007fc8319c4b11 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #12 0x00007fc8304538a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007fc8336dc469 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #14 0x00007fc8336e5357 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #15 0x00007fc8336e56e1 in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #16 0x00007fc8319bd35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #17 0x00007fc8319c4b11 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007fc8304538a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007fc8336f8143 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #20 0x00007fc8336f858f in QQuickWindow::keyReleaseEvent(QKeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #21 0x00007fc831235475 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #22 0x00007fc833700245 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #23 0x00007fc8319bd35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #24 0x00007fc8319c4b11 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #25 0x00007fc8304538a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007fc831225d18 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #27 0x00007fc83122b285 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #28 0x00007fc83120923b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #29 0x00007fc824445830 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #30 0x00007fc82a50f377 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #31 0x00007fc82a50f5e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #32 0x00007fc82a50f68c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #33 0x00007fc8304a7f0f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #34 0x00007fc83045188a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #35 0x00007fc830459ffc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #36 0x00005563fc8d1b16 in ?? () #37 0x00007fc82f79f3f1 in __libc_start_main (main=0x5563fc8d1410, argc=1, argv=0x7ffce57e3e08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffce57e3df8) at ../csu/libc-start.c:291 #38 0x00005563fc8d1d5a in _start () Possible duplicates by query: bug 379112, bug 379084, bug 378917, bug 378790, bug 378339. Reported using DrKonqi -- You are receiving this mail because: You are watching all bug changes.