Bug 377028

Application: plasma-discover (5.7.5)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.8.0-22-generic x86_64
Distribution: Ubuntu 16.10

-- Information about the crash:
Sowtware Center can't be opened in Kubuntu live.

The crash can be reproduced every time.

-- 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 0x7f56ccec5e00 (LWP 6776))]

Thread 5 (Thread 0x7f56aa0ec700 (LWP 6782)):
#0  0x00007f56c9742c8d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f56c2561f45 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.98
#2  0x00007f56c6a0cc60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f56c69c8485 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f56c69c8974 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f56c69c8aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f56ca37e4ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f56ca3260fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f56ca14bd43 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f56ca150c68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f56c6eeb70a in start_thread (arg=0x7f56aa0ec700) at pthread_create.c:333
#11 0x00007f56c97530af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f56abfff700 (LWP 6780)):
#0  0x00007f56c9742c8d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f56c2561f45 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.98
#2  0x00007f56c6a0cc60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f56c69c8485 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f56c69c8974 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f56c69c8aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f56ca37e4ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f56ca3260fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f56ca14bd43 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f56cc310c65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f56ca150c68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f56c6eeb70a in start_thread (arg=0x7f56abfff700) at pthread_create.c:333
#12 0x00007f56c97530af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f56b12ac700 (LWP 6779)):
#0  0x00007f56c6a0e009 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f56c69c89bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f56c69c8aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f56ca37e4ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f56ca3260fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f56ca14bd43 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f56c7783575 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f56ca150c68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f56c6eeb70a in start_thread (arg=0x7f56b12ac700) at pthread_create.c:333
#9  0x00007f56c97530af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f56b9b57700 (LWP 6778)):
#0  0x00007f56c97470bd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f56c4a96c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f56c4a988d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f56bc6e1299 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f56ca150c68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f56c6eeb70a in start_thread (arg=0x7f56b9b57700) at pthread_create.c:333
#6  0x00007f56c97530af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f56ccec5e00 (LWP 6776)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#7  0x00007f56c96823ea in __GI_abort () at abort.c:89
#8  0x00007f56ca137cc1 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f56cc807a13 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f56cc80fb82 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f56cc80ff63 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f56ca919f65 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f56cc843a13 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f56caef68ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f56caefbd4f in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f56ca3283b0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f56ca90f29d in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f56ca90fe7d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f56ca8edb2b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f56bc717660 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f56c69c87d7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f56c69c8a40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f56c69c8aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f56ca37e48f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f56ca3260fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f56ca32e90c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x0000558490dc9699 in ?? ()
#28 0x00007f56c966b3f1 in __libc_start_main (main=0x558490dc8f90, argc=1, argv=0x7ffd329dfa98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd329dfa88) at ../csu/libc-start.c:291
#29 0x0000558490dc97ba in _start ()

Possible duplicates by query: bug 375284, bug 364721, bug 364342, bug 362635, bug 362228.

Reported using DrKonqi