Bug 353860

Summary: Plasma crash
Product: [Plasma] plasmashell Reporter: Oded Arbel <oded>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.4.2   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Oded Arbel 2015-10-13 14:42:09 UTC 
Application: plasmashell (5.4.2)

Qt Version: 5.5.0
Operating System: Linux 4.2.2-300.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
Just launched an application from the plasma menu. The application launched through a user local desktop file (under ~/.local/share/applications).

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
84	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f2ee10fc940 (LWP 26746))]

Thread 15 (Thread 0x7f2ec0e8f700 (LWP 26749)):
#0  0x00007f2ed8b7c11d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2edefb7182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f2edefb8c77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f2ec2e13999 in QXcbEventReader::run() (this=0x557306737bc0) at qxcbconnection.cpp:1198
#4  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x557306737bc0) at thread/qthread_unix.cpp:331
#5  0x00007f2ed782860a in start_thread (arg=0x7f2ec0e8f700) at pthread_create.c:334
#6  0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f2eba416700 (LWP 26750)):
#0  0x00007f2ed3cff749 in g_mutex_lock (mutex=mutex@entry=0x7f2eb4000990) at gthread-posix.c:1338
#1  0x00007f2ed3cbabbc in g_main_context_check (context=context@entry=0x7f2eb4000990, max_priority=2147483647, fds=fds@entry=0x7f2eb4003070, n_fds=n_fds@entry=1) at gmain.c:3683
#2  0x00007f2ed3cbb110 in g_main_context_iterate (context=context@entry=0x7f2eb4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3837
#3  0x00007f2ed3cbb27c in g_main_context_iteration (context=0x7f2eb4000990, may_block=may_block@entry=1) at gmain.c:3901
#4  0x00007f2ed99badab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2eb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2ed9961daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2eba415c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2ed977e5a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f2edda4d245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x55730680e290) at thread/qthread_unix.cpp:331
#9  0x00007f2ed782860a in start_thread (arg=0x7f2eba416700) at pthread_create.c:334
#10 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f2eb1766700 (LWP 26751)):
#0  0x00007f2ed8b7c11d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2ed3cbb16c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f2eac002e70, timeout=<optimized out>, context=0x7f2eac000990) at gmain.c:4135
#2  0x00007f2ed3cbb16c in g_main_context_iterate (context=context@entry=0x7f2eac000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007f2ed3cbb27c in g_main_context_iteration (context=0x7f2eac000990, may_block=may_block@entry=1) at gmain.c:3901
#4  0x00007f2ed99badab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2eac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2ed9961daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2eb1765c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2ed977e5a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f2edda4d245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x557306aaf5b0) at thread/qthread_unix.cpp:331
#9  0x00007f2ed782860a in start_thread (arg=0x7f2eb1766700) at pthread_create.c:334
#10 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f2eabbb5700 (LWP 26754)):
#0  0x00007f2ed99ba650 in idleTimerSourcePrepare(GSource*, gint*) (source=0x7f2ea4002f20, timeout=timeout@entry=0x7f2eabbb4aa4) at kernel/qeventdispatcher_glib.cpp:197
#1  0x00007f2ed3cba70d in g_main_context_prepare (context=context@entry=0x7f2ea4000990, priority=priority@entry=0x7f2eabbb4b30) at gmain.c:3442
#2  0x00007f2ed3cbb09b in g_main_context_iterate (context=context@entry=0x7f2ea4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3820
#3  0x00007f2ed3cbb27c in g_main_context_iteration (context=0x7f2ea4000990, may_block=may_block@entry=1) at gmain.c:3901
#4  0x00007f2ed99badab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2ea40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2ed9961daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2eabbb4c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2ed977e5a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f2edda4d245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x557306b8bdd0) at thread/qthread_unix.cpp:331
#9  0x00007f2ed782860a in start_thread (arg=0x7f2eabbb5700) at pthread_create.c:334
#10 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f2eaa321700 (LWP 26776)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ee0887494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f2ee08874d9 in  () at /lib64/libQt5Script.so.5
#3  0x00007f2ed782860a in start_thread (arg=0x7f2eaa321700) at pthread_create.c:334
#4  0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f2e236e6700 (LWP 26788)):
#0  0x00007f2ed8b7c11d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2ed3cbb16c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f2e1c014910, timeout=<optimized out>, context=0x7f2e1c006100) at gmain.c:4135
#2  0x00007f2ed3cbb16c in g_main_context_iterate (context=context@entry=0x7f2e1c006100, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007f2ed3cbb27c in g_main_context_iteration (context=0x7f2e1c006100, may_block=may_block@entry=1) at gmain.c:3901
#4  0x00007f2ed99badab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2e1c002f90, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2ed9961daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2e236e5c10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2ed977e5a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f2ede5f0616 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#8  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x55730875df70) at thread/qthread_unix.cpp:331
#9  0x00007f2ed782860a in start_thread (arg=0x7f2e236e6700) at pthread_create.c:334
#10 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f2e0c1c8700 (LWP 13087)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x55730a5bc010) at thread/qthread_unix.cpp:331
#12 0x00007f2ed782860a in start_thread (arg=0x7f2e0c1c8700) at pthread_create.c:334
#13 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f2e03137700 (LWP 13088)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#13 0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x55730961dfe0) at thread/qthread_unix.cpp:331
#14 0x00007f2ed782860a in start_thread (arg=0x7f2e03137700) at pthread_create.c:334
#15 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f2dfa936700 (LWP 13089)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#13 0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#14 0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#15 0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x7f2e04001300) at thread/qthread_unix.cpp:331
#16 0x00007f2ed782860a in start_thread (arg=0x7f2dfa936700) at pthread_create.c:334
#17 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f2e02936700 (LWP 13090)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x7f2dfc0021d0) at thread/qthread_unix.cpp:331
#10 0x00007f2ed782860a in start_thread (arg=0x7f2e02936700) at pthread_create.c:334
#11 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f2e02135700 (LWP 13091)):
[KCrash Handler]
#6  0x00007f2e0313bde9 in mdb_txn_renew0 (txn=txn@entry=0x7f2de8019e00) at mdb.c:2481
#7  0x00007f2e0313d064 in mdb_txn_begin (env=0x7f2de800ce10, parent=parent@entry=0x0, flags=flags@entry=131072, ret=0x7f2e02134800) at mdb.c:2700
#8  0x00007f2e03357624 in Baloo::Database::open(Baloo::Database::OpenMode) (this=0x7f2e03584020 <(anonymous namespace)::Q_QGS_s_db::innerFunction()::holder>, mode=mode@entry=Baloo::Database::OpenDatabase) at ../../../src/engine/database.cpp:90
#9  0x00007f2e037be139 in Baloo::SearchStore::SearchStore() (this=0x7f2e02134960) at ../../../src/lib/searchstore.cpp:51
#10 0x00007f2e037ad0f9 in Baloo::Query::exec() (this=0x7f2e02134a10) at ../../../src/lib/query.cpp:209
#11 0x00007f2e039d2210 in SearchRunner::match(Plasma::RunnerContext&, QString const&, QString const&) () at /usr/lib64/qt5/plugins/krunner_baloosearchrunner.so
#12 0x00007f2e039d2f9b in SearchRunner::match(Plasma::RunnerContext&) () at /usr/lib64/qt5/plugins/krunner_baloosearchrunner.so
#13 0x00007f2e2221caf0 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /lib64/libKF5Runner.so.5
#14 0x00007f2e2169f5a0 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#15 0x00007f2e2169e42a in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#16 0x00007f2e2169db7a in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#17 0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x7f2df4003190) at thread/qthread_unix.cpp:331
#18 0x00007f2ed782860a in start_thread (arg=0x7f2e02135700) at pthread_create.c:334
#19 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f2e01934700 (LWP 13092)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#13 0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x7f2e04002d70) at thread/qthread_unix.cpp:331
#14 0x00007f2ed782860a in start_thread (arg=0x7f2e01934700) at pthread_create.c:334
#15 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f2e01133700 (LWP 13093)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x55730a5f9b50) at thread/qthread_unix.cpp:331
#12 0x00007f2ed782860a in start_thread (arg=0x7f2e01133700) at pthread_create.c:334
#13 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2e00932700 (LWP 13094)):
#0  0x00007f2ed782db10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x55730a15d820) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f2ed97847db in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x55730a98e8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2e2169bbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f2e216a03a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f2e216a0402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f2e2169acb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f2e2169dc43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f2ed978354e in QThreadPrivate::start(void*) (arg=0x7f2df4003680) at thread/qthread_unix.cpp:331
#10 0x00007f2ed782860a in start_thread (arg=0x7f2e00932700) at pthread_create.c:334
#11 0x00007f2ed8b87bbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2ee10fc940 (LWP 26746)):
#0  0x00007f2ed8b7c11d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2edefb7182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f2edefb783d in _xcb_out_send () at /lib64/libxcb.so.1
#3  0x00007f2edefb78c5 in xcb_writev () at /lib64/libxcb.so.1
#4  0x00007f2edf423bfe in _XSend () at /lib64/libX11.so.6
#5  0x00007f2edf423d04 in return_socket () at /lib64/libX11.so.6
#6  0x00007f2edefb7567 in get_socket_back () at /lib64/libxcb.so.1
#7  0x00007f2edefb75e9 in prepare_socket_request () at /lib64/libxcb.so.1
#8  0x00007f2edefb7b6c in xcb_send_request () at /lib64/libxcb.so.1
#9  0x00007f2edefc1338 in xcb_put_image () at /lib64/libxcb.so.1
#10 0x0000557305fc253c in PanelShadows::Private::createPixmap(QPixmap const&) ()
#11 0x0000557305fc4a13 in PanelShadows::Private::freeX11Pixmaps() ()
#12 0x0000557305fc4c04 in PanelShadows::~PanelShadows() ()
#13 0x0000557305fc4e59 in (anonymous namespace)::Q_QGS_privateDialogShadowsSelf::innerFunction()::Holder::~Holder() ()
#14 0x00007f2ed8abe658 in __run_exit_handlers (status=1, listp=0x7f2ed8e40618 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#15 0x00007f2ed8abe6a5 in __GI_exit (status=<optimized out>) at exit.c:104
#16 0x00007f2eb3c19e42 in  () at /usr/lib64/dri/i965_dri.so
#17 0x00007f2eb3b62944 in brw_draw_prims () at /usr/lib64/dri/i965_dri.so
#18 0x00007f2eb399ebc8 in vbo_validated_drawrangeelements () at /usr/lib64/dri/i965_dri.so
#19 0x00007f2eb399f049 in vbo_exec_DrawElements () at /usr/lib64/dri/i965_dri.so
#20 0x00007f2ede61fc48 in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () at /lib64/libQt5Quick.so.5
#21 0x00007f2ede6205d5 in QSGBatchRenderer::Renderer::renderBatches() () at /lib64/libQt5Quick.so.5
#22 0x00007f2ede625de2 in QSGBatchRenderer::Renderer::render() () at /lib64/libQt5Quick.so.5
#23 0x00007f2ede631adf in QSGRenderer::renderScene(QSGBindable const&) () at /lib64/libQt5Quick.so.5
#24 0x00007f2ede63232b in QSGRenderer::renderScene(unsigned int) () at /lib64/libQt5Quick.so.5
#25 0x00007f2ede64271e in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /lib64/libQt5Quick.so.5
#26 0x00007f2ede68c65b in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /lib64/libQt5Quick.so.5
#27 0x00007f2ede65d01b in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#28 0x00007f2ede65e121 in QSGGuiThreadRenderLoop::event(QEvent*) () at /lib64/libQt5Quick.so.5
#29 0x00007f2edaf1a4ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x557306720160, receiver=receiver@entry=0x557306c044d0, e=e@entry=0x7fff373fd780) at kernel/qapplication.cpp:3717
#30 0x00007f2edaf1f976 in QApplication::notify(QObject*, QEvent*) (this=0x7fff373fdb40, receiver=0x557306c044d0, e=0x7fff373fd780) at kernel/qapplication.cpp:3500
#31 0x00007f2ed996461b in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7fff373fdb40, receiver=0x557306c044d0, event=event@entry=0x7fff373fd780) at kernel/qcoreapplication.cpp:965
#32 0x00007f2ed99b9bad in QTimerInfoList::activateTimers() (event=0x7fff373fd780, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:224
#33 0x00007f2ed99b9bad in QTimerInfoList::activateTimers() (this=0x557306757c80) at kernel/qtimerinfo_unix.cpp:637
#34 0x00007f2ed99ba0b1 in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#35 0x00007f2ed3cbae3a in g_main_context_dispatch (context=0x7f2ebc0016f0) at gmain.c:3154
#36 0x00007f2ed3cbae3a in g_main_context_dispatch (context=context@entry=0x7f2ebc0016f0) at gmain.c:3769
#37 0x00007f2ed3cbb1d0 in g_main_context_iterate (context=context@entry=0x7f2ebc0016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3840
#38 0x00007f2ed3cbb27c in g_main_context_iteration (context=0x7f2ebc0016f0, may_block=may_block@entry=1) at gmain.c:3901
#39 0x00007f2ed99bad8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5573067680e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#40 0x00007f2ed9961daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff373fd9c0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#41 0x00007f2ed9969e6c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229
#42 0x0000557305fa9363 in main ()

Reported using DrKonqi
Comment 1 Bhushan Shah 2015-10-14 13:16:00 UTC 

*** This bug has been marked as a duplicate of bug 353342 ***