Bug 440196

Application: krunner (5.18.5)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.8.0-59-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Was just using firefox
Also had discord, and gedit open in the background

The crash can be reproduced every time.

-- Backtrace:
Application: krunner (krunner), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f77967e3800 (LWP 73604))]

Thread 4 (Thread 0x7f778d1f6700 (LWP 73607)):
#0  0x00007f77992224dd in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f77991d4f2a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f77991d5400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77991d54a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f779a9b0583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f779a9574db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f779a78f785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f779bea11a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f779a7909d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f7799ada609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f779a41e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f7794baa700 (LWP 73606)):
#0  __GI___libc_read (nbytes=16, buf=0x7f7794ba9b60, fd=6) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=6, buf=0x7f7794ba9b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f779921db2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f77991d4ebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f77991d5312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f77991d54a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f779a9b0583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f779a9574db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f779a78f785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f779b21defa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f779a7909d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f7799ada609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f779a41e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f7795833700 (LWP 73605)):
#0  0x00007f779a411aff in __GI___poll (fds=0x7f7795832ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7799fe5c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7799fe790a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7796015298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f779a7909d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7799ada609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f779a41e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f77967e3800 (LWP 73604)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f779a321859 in __GI_abort () at abort.c:79
#8  0x00007f779a757aad in QMessageLogger::fatal(char const*, ...) const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f779c1f2065 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f779c1f3157 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f779c1f3a1d in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f779ad4c9ad in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f779c275159 in QQuickWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f779c5a8b9b in PlasmaQuick::Dialog::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#15 0x00005596e7928583 in ?? ()
#16 0x00007f779b40ca66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f779b4160f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f779a95893a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f779ad42de6 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f779ad43014 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f779ad1d35b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007f779601632e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007f77991d517d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f77991d5400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f77991d54a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f779a9b0565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f779a9574db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f779a95f246 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00005596e7925983 in ?? ()
#30 0x00007f779a3230b3 in __libc_start_main (main=0x5596e7925280, argc=1, argv=0x7fff8b338278, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff8b338268) at ../csu/libc-start.c:308
#31 0x00005596e7925b0e in _start ()
[Inferior 1 (process 73604) detached]

The reporter indicates this bug may be a duplicate of or related to bug 436101, bug 430419.

Possible duplicates by query: bug 436101, bug 435770, bug 430419, bug 429344, bug 427384.

Reported using DrKonqi