Bug 394919

Summary: Crash while typing in search bar of the launcher
Product: [Plasma] plasmashell Reporter: Arcadiy Ivanov <arcadiy>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.12.5   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Arcadiy Ivanov 2018-06-01 10:05:34 UTC 
Application: plasmashell (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.46.0
Operating System: Linux 4.16.12-300.fc28.x86_64 x86_64
Distribution: "Fedora release 28 (Twenty Eight)"

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

The crash occured while typing the name of the application (Thunderbird). I got to approximated "d".

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1871bfb940 (LWP 2634))]

Thread 23 (Thread 0x7f174bfff700 (LWP 15972)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f177cdea700 (LWP 15971)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f177d5eb700 (LWP 15970)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f177effd700 (LWP 15967)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f177f7fe700 (LWP 15966)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f177ffff700 (LWP 15952)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f178da0e700 (LWP 15950)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f1790327700 (LWP 15948)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f1790b28700 (LWP 15947)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f1791329700 (LWP 15946)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f1791b2a700 (LWP 15945)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f179232b700 (LWP 15943)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f1792b2c700 (LWP 15942)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f179332d700 (LWP 15941)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f178f071700 (LWP 15940)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#13 0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#14 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#15 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f178e20f700 (LWP 15939)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f187ed8583b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f17bec4e740 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f17bec5287c in  () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f17bec528da in  () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f17bec4d7d1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f17bec50761 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f17b185f700 (LWP 5060)):
#0  0x00007f187ed7d26a in QMutex::lock() () at /lib64/libQt5Core.so.5
#1  0x00007f187ef83b2f in postEventSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#2  0x00007f1876960129 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#3  0x00007f1876960b1b in  () at /lib64/libglib-2.0.so.0
#4  0x00007f1876960d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f187ef83c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f187ef3212b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f187ed809c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f17b41c9b5b in KCupsConnection::run() () at /lib64/libkcupslib.so
#9  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f184ffff700 (LWP 3362)):
#0  0x00007f187d40052c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f1884c879f8 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f1884c87a63 in  () at /lib64/libQt5Script.so.5
#3  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f185a76b700 (LWP 3045)):
#0  0x00007f187e0b5589 in poll () at /lib64/libc.so.6
#1  0x00007f1876960be6 in  () at /lib64/libglib-2.0.so.0
#2  0x00007f1876960d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f187ef83c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f187ef3212b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f187ed809c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f188215c339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f185bfff700 (LWP 2950)):
#0  0x00007f187e0b0ff4 in read () at /lib64/libc.so.6
#1  0x00007f18769a6070 in  () at /lib64/libglib-2.0.so.0
#2  0x00007f18769606db in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f1876960b90 in  () at /lib64/libglib-2.0.so.0
#4  0x00007f1876960d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f187ef83c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f187ef3212b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f187ed809c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f188215c339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f1861ba0700 (LWP 2751)):
#0  0x00007f187e0b5589 in poll () at /lib64/libc.so.6
#1  0x00007f1876960be6 in  () at /lib64/libglib-2.0.so.0
#2  0x00007f1876960d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f187ef83c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f187ef3212b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f187ed809c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f187f1ba299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f186355c700 (LWP 2719)):
#0  0x00007f187e0b5589 in poll () at /lib64/libc.so.6
#1  0x00007f188358204f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f1883583caa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f18652be4d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f187ed8511d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f187d3fa594 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f187e0c000f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f1871bfb940 (LWP 2634)):
[KCrash Handler]
#6  0x00007f187ed7e94b in QReadWriteLock::lockForRead() () at /lib64/libQt5Core.so.5
#7  0x00007f17bf4f8a95 in Plasma::RunnerContext::isValid() const () at /lib64/libKF5Runner.so.5
#8  0x00007f17bf4fb31d in Plasma::RunnerContext::addMatch(Plasma::QueryMatch const&) () at /lib64/libKF5Runner.so.5
#9  0x00007f17bf4ee18e in  () at /lib64/libKF5Runner.so.5
#10 0x00007f187ef5ca26 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#11 0x00007f187f8c9e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#12 0x00007f187f8d183a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#13 0x00007f187ef33376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#14 0x00007f187ef3609b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#15 0x00007f187ef83ec7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#16 0x00007f18769608ad in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#17 0x00007f1876960c78 in  () at /lib64/libglib-2.0.so.0
#18 0x00007f1876960d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#19 0x00007f187ef83c13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#20 0x00007f186534c065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#21 0x00007f187ef3212b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#22 0x00007f187ef3a5b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#23 0x000055660828bf38 in  ()
#24 0x00007f187dfe918b in __libc_start_main () at /lib64/libc.so.6
#25 0x000055660828c2ca in _start ()

Reported using DrKonqi
Comment 1 David Edmundson 2018-06-01 11:33:59 UTC 

*** This bug has been marked as a duplicate of bug 394272 ***