Bug 401817

Summary: Plasma crash due to searching on "start" menu
Product: [Plasma] plasmashell Reporter: Ewelina <ewelina.berlicka>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.14.3   
Target Milestone: 1.0   
Platform: Debian stable   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Ewelina 2018-12-06 09:21:29 UTC 
Application: plasmashell (5.14.3)

Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.18.0-3-amd64 x86_64
Distribution: Debian GNU/Linux buster/sid

-- Information about the crash:
- What I was doing when the application crashed:
I opened program menu and write aplication name on search box. 
- Unusual behavior I noticed:
My Plasma crashed (task bar and desktop dissapeared)

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcefb592dc0 (LWP 1299))]

Thread 14 (Thread 0x7fceb97fa700 (LWP 1765)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fcf00f67f2a in start_thread (arg=0x7fceb97fa700) at pthread_create.c:463
#22 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fceb9ffb700 (LWP 1764)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fceb9ffb700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fceba7fc700 (LWP 1763)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fcf00f67f2a in start_thread (arg=0x7fceba7fc700) at pthread_create.c:463
#18 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fcebaffd700 (LWP 1762)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fcebaffd700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fcebb7fe700 (LWP 1761)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fcebb7fe700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fcebbfff700 (LWP 1760)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fcee577fb42 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fcf00f67f2a in start_thread (arg=0x7fcebbfff700) at pthread_create.c:463
#22 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fcec8c4f700 (LWP 1759)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fcec8c4f700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fcec9450700 (LWP 1758)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557cd029ef4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557cd029ea0, cond=0x5557cd029ec8) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557cd029ec8, mutex=0x5557cd029ea0) at pthread_cond_wait.c:655
#3  0x00007fcf0224d44b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcee577bd30 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fcee577fae8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fcee577ae3d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fcee577dbb9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fcec9450700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fcee5496700 (LWP 1717)):
#0  0x00007fceffa92509 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fceffa4ae50 in g_main_context_acquire () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fceffa4bd05 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fceffa4bf6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcf02446d2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcf023f3d0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcf022430c6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcf03de5396 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fcee5496700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fcef1aed700 (LWP 1535)):
#0  0x00007fcf00f6de6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5557c876b13c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fcf00f6de6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5557c876b0e8, cond=0x5557c876b110) at pthread_cond_wait.c:502
#2  0x00007fcf00f6de6c in __pthread_cond_wait (cond=0x5557c876b110, mutex=0x5557c876b0e8) at pthread_cond_wait.c:655
#3  0x00007fcef21b0bab in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fcef21b08d7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fcf00f67f2a in start_thread (arg=0x7fcef1aed700) at pthread_create.c:463
#6  0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fcef3fff700 (LWP 1494)):
#0  0x00007fceffa92509 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fceffa4b82c in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fceffa4bdf0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fceffa4bf6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcf02446d2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcf023f3d0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcf022430c6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcf03b5e385 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcf00f67f2a in start_thread (arg=0x7fcef3fff700) at pthread_create.c:463
#10 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fcef96be700 (LWP 1456)):
#0  0x00007fcf01f33204 in __GI___libc_read (fd=7, buf=0x7fcef96bdb10, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fceffa91180 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fceffa4b91f in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fceffa4bdf0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fceffa4bf6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcf02446d2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcf023f3d0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcf022430c6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcf03552545 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fcf00f67f2a in start_thread (arg=0x7fcef96be700) at pthread_create.c:463
#11 0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fcefa732700 (LWP 1437)):
#0  0x00007fcf01f37739 in __GI___poll (fds=0x7fcefa731c78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fcf04234cf7 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fcf0423691a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fcefb287519 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fcf0224cc97 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcf00f67f2a in start_thread (arg=0x7fcefa732700) at pthread_create.c:463
#6  0x00007fcf01f41edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fcefb592dc0 (LWP 1299)):
[KCrash Handler]
#6  0x0000000000000050 in  ()
#7  0x00007fcf0241e8c7 in QMetaObject::activate(QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcf03954800 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fcf03b9e22e in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fcf03ba4f2c in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fcf03ba520b in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fcf0241e35c in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fcf023a905d in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fcee5c4e9a1 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#15 0x00007fcee5c4cc8d in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#16 0x00007fcee5c5d8a9 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#17 0x00007fcf0241e28b in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fcee589fe02 in Plasma::RunnerManager::matchesChanged(QList<Plasma::QueryMatch> const&) () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#19 0x00007fcee58a3ee3 in  () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#20 0x00007fcf0241e28b in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fcf02429fc7 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fcf0241eafb in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fcf02e4a491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fcf02e51ad0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fcf023f5039 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fcf02446128 in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fcf024469bc in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fceffa4bc3e in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fceffa4bed8 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fceffa4bf6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fcf02446d13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fcefb31a851 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#33 0x00007fcf023f3d0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fcf023fbe82 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00005557c6c8c19b in  ()
#36 0x00007fcf01e6cb17 in __libc_start_main (main=0x5557c6c8b690, argc=1, argv=0x7ffc74b68268, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc74b68258) at ../csu/libc-start.c:310
#37 0x00005557c6c8c61a in _start ()

Reported using DrKonqi
Comment 1 David Edmundson 2018-12-11 10:52:23 UTC 

*** This bug has been marked as a duplicate of bug 369430 ***