Bug 418539

Application: plasmashell (5.18.2)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.3.0-40-generic x86_64
Windowing system: Wayland
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:

- Unusual behavior I noticed:
plasma crashed 
- Custom settings of the application:
it was all in black and the barre was'nt hier , i was'nt able to search and do my work

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9383e3f800 (LWP 1057))]

Thread 9 (Thread 0x7f932ffff700 (LWP 1262)):
#0  0x00007f937a58d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e90cf56144) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e90cf560f0, cond=0x55e90cf56118) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e90cf56118, mutex=0x55e90cf560f0) at pthread_cond_wait.c:655
#3  0x00007f937d90cd9b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f937d90cf19 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9381a001d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9381a00631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f937d9067ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f937a5876db in start_thread (arg=0x7f932ffff700) at pthread_create.c:463
#9  0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9327fff700 (LWP 1253)):
#0  __GI___poll (fds=0x7f93200029e0, nfds=1, timeout=3459685) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f93772fa5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93772fa6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f937db550db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f937daf463a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f937d905317 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f932ef23407 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f937d9067ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f937a5876db in start_thread (arg=0x7f9327fff700) at pthread_create.c:463
#9  0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9334f6c700 (LWP 1249)):
#0  0x00007f937a58d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e90c7190b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e90c719060, cond=0x55e90c719088) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e90c719088, mutex=0x55e90c719060) at pthread_cond_wait.c:655
#3  0x00007f937d90cd9b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f937d90cf19 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9381a001d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f9381a00631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f937d9067ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f937a5876db in start_thread (arg=0x7f9334f6c700) at pthread_create.c:463
#9  0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9342ee7700 (LWP 1220)):
#0  0x00007f937d1ea0b4 in __GI___libc_read (fd=17, buf=0x7f9342ee6b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f937733f2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93772fa0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93772fa570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f93772fa6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f937db550db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f937daf463a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f937d905317 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9381942a86 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f937d9067ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f937a5876db in start_thread (arg=0x7f9342ee7700) at pthread_create.c:463
#11 0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9358f85700 (LWP 1186)):
#0  0x00007f937a58d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e90bc2bf38) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e90bc2bee8, cond=0x55e90bc2bf10) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e90bc2bf10, mutex=0x55e90bc2bee8) at pthread_cond_wait.c:655
#3  0x00007f935f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f935f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f937a5876db in start_thread (arg=0x7f9358f85700) at pthread_create.c:463
#6  0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9359fc8700 (LWP 1185)):
#0  0x00007f937a58d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e90bc2b870) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e90bc2b820, cond=0x55e90bc2b848) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e90bc2b848, mutex=0x55e90bc2b820) at pthread_cond_wait.c:655
#3  0x00007f935f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f935f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f937a5876db in start_thread (arg=0x7f9359fc8700) at pthread_create.c:463
#6  0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f936d189700 (LWP 1179)):
#0  0x00007f937d1eebf9 in __GI___poll (fds=0x7f9360002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f93772fa5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93772fa6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f937db550db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f937daf463a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f937d905317 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93814ad605 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f937d9067ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f937a5876db in start_thread (arg=0x7f936d189700) at pthread_create.c:463
#9  0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f936f001700 (LWP 1081)):
#0  0x00007f93772f753e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93772f9a63 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93772fa4fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93772fa6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f937db550db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f937daf463a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f937d905317 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f937f7fa555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f937d9067ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f937a5876db in start_thread (arg=0x7f936f001700) at pthread_create.c:463
#10 0x00007f937d1fb88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9383e3f800 (LWP 1057)):
[KCrash Handler]
#6  0x00007f93486ecfe1 in KScreen::GetConfigOperation::start() () from /usr/lib/x86_64-linux-gnu/libKF5Screen.so.7
#7  0x00007f937db28e8b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f937ee338bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f937ee3aac0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f937daf5db8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f937daf8a31 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f937db55a13 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f93772fa417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f93772fa650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f93772fa6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f937db550bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f937daf463a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f937dafddb0 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x000055e909c03894 in ?? ()
#20 0x00007f937d0fbb97 in __libc_start_main (main=0x55e909c02a70, argc=1, argv=0x7fffef550338, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffef550328) at ../csu/libc-start.c:310
#21 0x000055e909c039fa in _start ()

Possible duplicates by query: bug 418367, bug 418359, bug 418351, bug 418320, bug 418316.

Reported using DrKonqi