Bug 368699

Summary: Plasma Shell (and Krunner) crash whenever I try to search
Product: [Frameworks and Libraries] frameworks-baloo Reporter: ibukun
Component: generalAssignee: Pinak Ahuja <pinak.ahuja>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, christoph, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: Mageia RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description ibukun 2016-09-12 15:07:10 UTC 
Application: plasmashell (5.7.4)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.7.3-desktop-1.mga6 x86_64
Distribution: "Mageia 6"

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

Open launcher and Krunner. While typing a search term it just crashes. Every time.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa2ce05c800 (LWP 12455))]

Thread 19 (Thread 0x7fa1d6ffd700 (LWP 14404)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa20d80f2f7 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007fa20d812fe8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007fa20d810ddf in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fa1d77fe700 (LWP 14403)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa20d80f2f7 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007fa20d812fe8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007fa20d810ddf in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#12 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fa1d7fff700 (LWP 14402)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa20d80f2f7 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007fa20d812fe8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007fa20d810ddf in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fa1ecaf0700 (LWP 14401)):
[KCrash Handler]
#6  0x00007fa2c88e0118 in __memcpy_sse2_unaligned () at /lib64/libc.so.6
#7  0x00007fa1edd41a63 in Baloo::PostingCodec::decode(QByteArray const&) () at /lib64/libKF5BalooEngine.so.5
#8  0x00007fa1edd2cf1e in DBPostingIterator::DBPostingIterator(void*, unsigned int) () at /lib64/libKF5BalooEngine.so.5
#9  0x00007fa1edd2cfc1 in Baloo::PostingDB::iter(QByteArray const&) () at /lib64/libKF5BalooEngine.so.5
#10 0x00007fa1edd36eba in Baloo::Transaction::postingIterator(Baloo::EngineQuery const&) const () at /lib64/libKF5BalooEngine.so.5
#11 0x00007fa1ee18ebff in Baloo::SearchStore::constructQuery(Baloo::Transaction*, Baloo::Term const&) () at /lib64/libKF5Baloo.so.5
#12 0x00007fa1ee18ee7a in Baloo::SearchStore::constructQuery(Baloo::Transaction*, Baloo::Term const&) () at /lib64/libKF5Baloo.so.5
#13 0x00007fa1ee18fd89 in Baloo::SearchStore::exec(Baloo::Term const&, unsigned int, int, bool) () at /lib64/libKF5Baloo.so.5
#14 0x00007fa1ee17f1df in Baloo::Query::exec() () at /lib64/libKF5Baloo.so.5
#15 0x00007fa1ee3a0600 in SearchRunner::match(Plasma::RunnerContext&, QString const&, QString const&) () at /usr/lib64/qt5/plugins/krunner_baloosearchrunner.so
#16 0x00007fa1ee3a13ae in SearchRunner::match(Plasma::RunnerContext&) () at /usr/lib64/qt5/plugins/krunner_baloosearchrunner.so
#17 0x00007fa20e31d288 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /lib64/libKF5Runner.so.5
#18 0x00007fa20d812807 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#19 0x00007fa20d811570 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#20 0x00007fa20d810d30 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#21 0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#22 0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#23 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fa1ed2f1700 (LWP 14400)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa20d80f2f7 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007fa20d812fe8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#13 0x00007fa20d810ddf in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#14 0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#15 0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#16 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fa1edaf2700 (LWP 14399)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa20d80f2f7 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007fa20d812fe8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007fa20d813032 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007fa20d80e579 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007fa20d810ddf in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fa1fafc6700 (LWP 13704)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa2cc2ef9bd in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#3  0x00007fa2cc2f0235 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fa1f89af700 (LWP 13421)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa2cc2ef9bd in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#3  0x00007fa2cc2f0235 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fa201322700 (LWP 13081)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa2cc2ef9bd in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#3  0x00007fa2cc2f0235 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fa1fbeff700 (LWP 13039)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa2cc2ef9bd in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#3  0x00007fa2cc2f0235 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fa202023700 (LWP 12910)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa2cc2ef9bd in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#3  0x00007fa2cc2f0235 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fa216f17700 (LWP 12543)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2c9026dbb in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fa2cc2ef9bd in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#3  0x00007fa2cc2f0235 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fa217718700 (LWP 12540)):
#0  0x00007fa2c58b4554 in g_main_context_release () at /lib64/libglib-2.0.so.0
#1  0x00007fa2c58b535e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa2c58b54ac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa2c923c3ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa2c91e7c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c902137c in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa2cc281832 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fa2a98dd700 (LWP 12488)):
#0  0x00007fa2c8135c4f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa2cdac2234 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fa2cdac2279 in  () at /lib64/libQt5Script.so.5
#3  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fa2abbc2700 (LWP 12485)):
#0  0x00007fa2c892f8bd in read () at /lib64/libc.so.6
#1  0x00007fa2c1875073 in  () at /usr/lib64/nvidia-current/tls/libnvidia-tls.so.367.35
#2  0x00007fa2c58f7510 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#3  0x00007fa2c58b4ed4 in g_main_context_check () at /lib64/libglib-2.0.so.0
#4  0x00007fa2c58b5348 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#5  0x00007fa2c58b54ac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#6  0x00007fa2c923c3ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fa2c91e7c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#8  0x00007fa2c902137c in QThread::exec() () at /lib64/libQt5Core.so.5
#9  0x00007fa2cb8fe805 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#10 0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#12 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fa2b13b2700 (LWP 12474)):
#0  0x00007fa2c58f87f4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa2c58b4e19 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fa2c58b5348 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa2c58b54ac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa2c923c3ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c91e7c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa2c902137c in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa2cb8fe805 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa2b2df6700 (LWP 12460)):
#0  0x00007fa2c58f87f4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa2c58b49c0 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fa2c58b52d3 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa2c58b54ac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa2c923c3ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c91e7c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa2c902137c in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa2ce18f615 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#8  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa2b8b97700 (LWP 12458)):
#0  0x00007fa2c8933f9d in poll () at /lib64/libc.so.6
#1  0x00007fa2cca31902 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fa2cca33657 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fa2bb2d12b9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fa2c9025fb9 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c813066d in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa2c893fded in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa2ce05c800 (LWP 12455)):
#0  0x00007fa2c8933f9d in poll () at /lib64/libc.so.6
#1  0x00007fa2c58b53a4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa2c58b54ac in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa2c923c386 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa2c91e7c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa2c91f0001 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#6  0x000000000041af7d in main ()

Possible duplicates by query: bug 360494.

Reported using DrKonqi
Comment 1 Christoph Cullmann 2016-10-07 16:18:04 UTC 
sorry, bad thing, we don't handle db problems, other bug is there for that
already, hope it doesn't occur too often for you.

*** This bug has been marked as a duplicate of bug 360946 ***