Bug 388964

Application: plasmashell (5.11.5)

Qt Version: 5.10.0
Frameworks Version: 5.41.0
Operating System: Linux 4.14.13-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
Recursive error, no action affects it.

- Unusual behavior I noticed:
Plasma crashes and restarts approximately every 10 minutes.
The error comes with compositor on or of and kwin or openbox.


Linux arch 4.14.13-1-ARCH #1 SMP PREEMPT Wed Jan 10 11:14:50 UTC 2018 x86_64 GNU/Linux
Plasma 5.11.5
KDE frameworks 5.41.0
QT 5.10.0
CPU I7-4790K
GPU AMD HD7950 (catalyst 15.12-19)

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f78f91e3440 (LWP 2553))]

Thread 16 (Thread 0x7f7800ffd700 (LWP 4801)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f2dca00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f78f6c0b9ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f78f6c0be54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f77f2528700 (LWP 4460)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f2dca00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f78f6c0b9ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f78f6c0be54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f77f2d29700 (LWP 4239)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f2dca00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f78f2dc205c in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#3  0x00007f78001f82b7 in  () at /usr/lib/qt/plugins/texttospeech/libqttexttospeech_flite.so
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f78027fe700 (LWP 3575)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f2dca00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f78f6c0b9ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f78f6c0be54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f7803fff700 (LWP 3542)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f2dca00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f78f6c0b9ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f78f6c0be54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f781675d700 (LWP 3415)):
#0  0x00007f78f26c691b in poll () at /usr/lib/libc.so.6
#1  0x00007f78ed000023 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f78ed00013e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f78f30116b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f2dc378e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f78191101ba in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f782ff0c700 (LWP 3116)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f2dca00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007f78f6c0b9ca in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f78f6c0be54 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f783070d700 (LWP 3115)):
#0  0x00007f78ed046bc4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f78ecfffa22 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f78ecffffc6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f78ed00013e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f78f30116b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f78f2dc378e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f78f6b89bcb in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f783c4a5700 (LWP 2829)):
#0  0x00007f78f269eb10 in nanosleep () at /usr/lib/libc.so.6
#1  0x00007f78f26c9064 in usleep () at /usr/lib/libc.so.6
#2  0x00007f784362adf0 in  () at /usr/lib/xorg/modules/dri//fglrx_dri.so
#3  0x00007f7842cf9932 in  () at /usr/lib/xorg/modules/dri//fglrx_dri.so
#4  0x00007f7842cf9985 in  () at /usr/lib/xorg/modules/dri//fglrx_dri.so
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f78cd243700 (LWP 2783)):
#0  0x00007f78f1f8439d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f78f88daf77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f78f88dafb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f78ce50e700 (LWP 2757)):
#0  0x00007f78f26c691b in poll () at /usr/lib/libc.so.6
#1  0x00007f78ed000023 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f78ed00013e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f78f30116b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f2dc378e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f78d931f700 (LWP 2667)):
#0  0x00007f78ed046ba9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f78ed000129 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0x00007f78f30116b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f78f2dc378e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f5fcda19 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f78dafc0700 (LWP 2611)):
#0  0x00007f78f26c23d8 in read () at /usr/lib/libc.so.6
#1  0x00007f78ed045801 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f78ecfffafc in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f78ecffffc6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f78ed00013e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f78f30116b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f78f2dc378e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f78f5fcda19 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f78e0b76700 (LWP 2584)):
#0  0x00007f78f26c23d8 in read () at /usr/lib/libc.so.6
#1  0x00007f78ed045801 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f78ecfffafc in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f78ecffffc6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f78ed00013e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f78f30116b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f78f2dc378e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f78f3433416 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f78e2f4c700 (LWP 2579)):
#0  0x00007f78f26c691b in poll () at /usr/lib/libc.so.6
#1  0x00007f78f77d88e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f78f77da679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f78e56d57aa in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f78f2dc8b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f78f1f7e08c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f78f26d0e1f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f78f91e3440 (LWP 2553)):
[KCrash Handler]
#5  0x00007f78f2fbeb27 in QMetaObject::cast(QObject const*) const () at /usr/lib/libQt5Core.so.5
#6  0x00007f78f657bf70 in  () at /usr/lib/libKF5XmlGui.so.5
#7  0x00007f78f2fb4d5c in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#8  0x00007f78f3fb9e7a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007f78f3fc1816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f78f2fb51e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#11 0x00007f78f2fb7e46 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f78f30120a4 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f78ecfffe68 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#14 0x00007f78ed0000b1 in  () at /usr/lib/libglib-2.0.so.0
#15 0x00007f78ed00013e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#16 0x00007f78f3011691 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#17 0x00007f78e575d282 in  () at /usr/lib/libQt5XcbQpa.so.5
#18 0x00007f78f2fb382b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f78f2fbcb18 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#20 0x000055abc24148d8 in  ()
#21 0x00007f78f25fbf4a in __libc_start_main () at /usr/lib/libc.so.6
#22 0x000055abc2414c9a in _start ()

Reported using DrKonqi