Application: plasma-discover (5.6.5)

Qt Version: 5.5.1
Frameworks Version: 5.23.0
Operating System: Linux 4.4.0-36-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
I just clicked on the "updates available" icon and Discover crashed while trying to start

-- Backtrace:
Application: Discover (plasma-discover), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2e711f88c0 (LWP 22869))]

Thread 4 (Thread 0x7f2e4f28a700 (LWP 22872)):
#0  0x00007f2e6da35e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2e6a8cd39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2e6a8cd4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2e6e36fa9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2e6e316dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2e6e1338a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2e6e13884e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2e6c4e26fa in start_thread (arg=0x7f2e4f28a700) at pthread_create.c:333
#8  0x00007f2e6da41b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f2e55292700 (LWP 22871)):
#0  0x00007f2e6da35e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2e6a8cd39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2e6a8cd4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2e6e36fa9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2e6e316dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2e6e1338a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2e706143c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f2e6e13884e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2e6c4e26fa in start_thread (arg=0x7f2e55292700) at pthread_create.c:333
#9  0x00007f2e6da41b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2e60a2a700 (LWP 22870)):
#0  0x00007f2e6da35e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2e68eb4c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2e68eb68d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2e633ec629 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f2e6e13884e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2e6c4e26fa in start_thread (arg=0x7f2e60a2a700) at pthread_create.c:333
#6  0x00007f2e6da41b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2e711f88c0 (LWP 22869)):
[KCrash Handler]
#6  0x00007f2e6d970418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f2e6d97201a in __GI_abort () at abort.c:89
#8  0x00007f2e6e125ff1 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2e70b28af1 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f2e70b31332 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f2e70b31733 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f2e6e6662f5 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f2e70b64871 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x000000000040dccc in ?? ()
#15 0x00007f2e6ec0e05c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f2e6ec13516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f2e6e31962b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f2e6e65e4ec in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f2e6e65f25d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f2e6e642f38 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f2e6341e070 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007f2e6a8cd1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f2e6a8cd400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f2e6a8cd4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f2e6e36fa7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f2e6e316dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f2e6e31ee8c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x000000000040a649 in ?? ()
#29 0x00007f2e6d95b830 in __libc_start_main (main=0x409970, argc=1, argv=0x7ffe2dcd0f78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe2dcd0f68) at ../csu/libc-start.c:291
#30 0x000000000040a969 in _start ()

Possible duplicates by query: bug 364721, bug 364342, bug 362635, bug 362228, bug 355096.

Reported using DrKonqi