Bug 383554

Summary: Cannot start app by Alt-F2
Product: [Plasma] krunner Reporter: Libor <libor>
Component: generalAssignee: Kai Uwe Broulik <kde>
Status: RESOLVED FIXED    
Severity: crash CC: alexander.lohnau, nate
Priority: NOR Keywords: drkonqi
Version: 5.9.4   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Libor 2017-08-15 14:20:11 UTC 
Application: krunner (5.9.4)

Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.10.0-28-generic x86_64
Distribution: Ubuntu 17.04

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

trying to start kcalc by Alt-F2 but the raised entry widget did not display any characters and finally crashed.

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".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7fa442edf8c0 (LWP 1728))]

Thread 13 (Thread 0x7fa3e77fe700 (LWP 3166)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa41d01c240 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fa41d020478 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fa41d01b3bd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fa41d01e289 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa43c5476da in start_thread (arg=0x7fa3e77fe700) at pthread_create.c:456
#8  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7fa3e7fff700 (LWP 3165)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa43ee64a23 in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa43f06671e in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa41193061f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_placesrunner.so
#5  0x00007fa41d240538 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#6  0x00007fa41d01fbf8 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fa41d01e630 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fa41d01e1d0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fa43c5476da in start_thread (arg=0x7fa3e7fff700) at pthread_create.c:456
#11 0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7fa404e9d700 (LWP 3164)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa41d01c240 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fa41d020478 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fa41d01b3bd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fa41d01e289 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa43c5476da in start_thread (arg=0x7fa404e9d700) at pthread_create.c:456
#8  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7fa40569e700 (LWP 3163)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa440967c7b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#3  0x00007fa4409240d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#4  0x00007fa4409108fb in QDBusConnection::call(QDBusMessage const&, QDBus::CallMode, int) const () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#5  0x00007fa42c1edac0 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#6  0x00007fa42c1ee0dc in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#7  0x00007fa42c1e5c87 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#8  0x00007fa42c1e6648 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#9  0x00007fa42c1e6c55 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#10 0x00007fa42c1dbed7 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#11 0x00007fa42c19c73c in Solid::Device::listFromQuery(Solid::Predicate const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#12 0x00007fa42c19cdd6 in Solid::Device::listFromQuery(QString const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#13 0x00007fa40905d21b in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#14 0x00007fa40905d3f1 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#15 0x00007fa40905bb9d in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#16 0x00007fa409058ea0 in Baloo::IndexerConfig::IndexerConfig() () from /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#17 0x00007fa409272384 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#18 0x00007fa4092733c9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#19 0x00007fa41d240538 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#20 0x00007fa41d01fbf8 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#21 0x00007fa41d01e630 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#22 0x00007fa41d01e1d0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#23 0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa43c5476da in start_thread (arg=0x7fa40569e700) at pthread_create.c:456
#25 0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7fa405e9f700 (LWP 3162)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa43ee64a23 in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fa43f06671e in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa41193061f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_placesrunner.so
#5  0x00007fa41d240538 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#6  0x00007fa41d01fbf8 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fa41d01e630 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fa41d01e1d0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fa43c5476da in start_thread (arg=0x7fa405e9f700) at pthread_create.c:456
#11 0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7fa4066a0700 (LWP 3161)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa41d01c240 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fa41d020478 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fa41d01b3bd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fa41d01e289 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa43c5476da in start_thread (arg=0x7fa4066a0700) at pthread_create.c:456
#8  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7fa406ea1700 (LWP 3160)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa41d01c240 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fa41d020478 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fa41d01b3bd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fa41d01e289 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa43c5476da in start_thread (arg=0x7fa406ea1700) at pthread_create.c:456
#8  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7fa4076a2700 (LWP 3159)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa41d01c240 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fa41d020478 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fa41d01b3bd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fa41d01e289 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa43c5476da in start_thread (arg=0x7fa4076a2700) at pthread_create.c:456
#8  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7fa413649700 (LWP 3158)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa441e02495 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fa441e02d8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa43c5476da in start_thread (arg=0x7fa413649700) at pthread_create.c:456
#6  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7fa424833700 (LWP 1797)):
#0  0x00007fa43e76bd8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa43a1e1576 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa43a1e168c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa43f08ef2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa43f03888a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa43ee65fe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa441962df5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa43c5476da in start_thread (arg=0x7fa424833700) at pthread_create.c:456
#9  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7fa42795c700 (LWP 1747)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#7  0x00007fa43e6a637a in __GI_abort () at abort.c:89
#8  0x00007fa43e6e8090 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7fa43e7fe000 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007fa43e6f4008 in malloc_printerr (ar_ptr=0x7fa42795b7a0, ptr=<optimized out>, str=0x7fa43e7fe408 "malloc(): memory corruption (fast)", action=3) at malloc.c:5048
#10 _int_malloc (av=av@entry=0x7fa420000020, bytes=bytes@entry=72) at malloc.c:3423
#11 0x00007fa43e6f6606 in __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3273
#12 0x00007fa43c316659 in _dbus_pending_call_new_unlocked () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#13 0x00007fa43c305dff in dbus_connection_send_with_reply () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#14 0x00007fa44091d573 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#15 0x00007fa43f067359 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fa43f03a88b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fa43f03d02d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fa43f08eb03 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fa43a1e1377 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fa43a1e15e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fa43a1e168c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fa43f08ef0f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fa43f03888a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa43ee65fe3 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fa4409125c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#26 0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fa43c5476da in start_thread (arg=0x7fa42795c700) at pthread_create.c:456
#28 0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7fa42de02700 (LWP 1735)):
#0  0x00007fa43e76bd8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fa43de65c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fa43de678d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fa430788ed9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fa43ee6ac98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa43c5476da in start_thread (arg=0x7fa42de02700) at pthread_create.c:456
#6  0x00007fa43e777d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7fa442edf8c0 (LWP 1728)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa43ee6bb4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fa440967c7b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#3  0x00007fa4409240d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#4  0x00007fa4409108fb in QDBusConnection::call(QDBusMessage const&, QDBus::CallMode, int) const () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#5  0x00007fa42c1edac0 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#6  0x00007fa42c1ee0dc in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#7  0x00007fa42c1e5c87 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#8  0x00007fa42c1e6648 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#9  0x00007fa42c1e6c55 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#10 0x00007fa42c1dbed7 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#11 0x00007fa42c19c73c in Solid::Device::listFromQuery(Solid::Predicate const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5Solid.so.5
#12 0x00007fa42c702f9e in KFilePlacesModel::Private::_k_initDeviceList() () from /usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#13 0x00007fa42c704a39 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#14 0x00007fa43f067359 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fa43ffa635c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fa43ffadb11 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fa43f03a8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fa43f03d02d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fa43f08eb03 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fa43a1e1377 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fa43a1e15e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fa43a1e168c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fa43f08ef0f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa43f03888a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fa43f040ffc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x000055928031ebd8 in ?? ()
#27 0x00007fa43e68f3f1 in __libc_start_main (main=0x55928031e7b0, argc=1, argv=0x7ffdaa3fb328, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdaa3fb318) at ../csu/libc-start.c:291
#28 0x000055928031ec5a in _start ()

Possible duplicates by query: bug 382108, bug 381268, bug 379700, bug 377366, bug 375933.

Reported using DrKonqi
Comment 1 Nate Graham 2017-08-20 18:19:40 UTC 
Duplicate of https://bugs.kde.org/show_bug.cgi?id=378493

*** This bug has been marked as a duplicate of bug 378493 ***
Comment 2 Christoph Feck 2017-09-07 21:53:11 UTC 
Not a duplicate, the backtraces are not related.

To investigate this crash (memory corruption), a valgrind log would help.
Comment 3 Alexander Lohnau 2020-10-11 13:32:18 UTC 
The baloorunner was the cause of this and it has been refactored to a dbus runner.