Bug 361223

Summary: plasmashell hangs up after a day of inactivity
Product: [Plasma] plasmashell Reporter: Alexander Potashev <aspotashev>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bshah, jacobgodserv, Larry, plasma-bugs-null, rdieter
Priority: NOR    
Version First Reported In: 5.5.5   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Alexander Potashev 2016-03-31 09:37:44 UTC 
Backtrace obtained after connecting to the hung up plasmashell process with "gdb --pid [...]":

=====
(gdb) thread apply all bt

Thread 16 (Thread 0x7f3ad8507700 (LWP 14102)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af6df94c9 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f3af6dfaee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f3adae31da9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f3aefc8260a in start_thread (arg=0x7f3ad8507700) at pthread_create.c:334
#6  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f3ad5ab6700 (LWP 14104)):
#0  0x00007f3af093efdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3aebe6216c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f3aebe6227c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f3af177eeaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f3af1725eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3af1542434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f3af58909b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f3aefc8260a in start_thread (arg=0x7f3ad5ab6700) at pthread_create.c:334
#9  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f3accc06700 (LWP 14105)):
#0  0x00007f3af093efdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3aebe6216c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f3aebe6227c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f3af177eeaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f3af1725eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3af1542434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f3af58909b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f3aefc8260a in start_thread (arg=0x7f3accc06700) at pthread_create.c:334
#9  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f3ac308d700 (LWP 14106)):
#0  0x00007f3af093efdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3aebe6216c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f3aebe6227c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f3af177eeaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f3af1725eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3af1542434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f3af58909b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f3aefc8260a in start_thread (arg=0x7f3ac308d700) at pthread_create.c:334
#9  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f3ac17f7700 (LWP 14107)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af86e9514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f3af86e9559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f3aefc8260a in start_thread (arg=0x7f3ac17f7700) at pthread_create.c:334
#4  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f3a39c51700 (LWP 14108)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007f3af093efdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3aebe6216c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f3aebe6227c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f3af177eecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f3af1725eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3af1542434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f3af643e8d6 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f3aefc8260a in start_thread (arg=0x7f3a39c51700) at pthread_create.c:334
#9  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f3a29a2e700 (LWP 14110)):
#0  0x00007f3af093efdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3aebe6216c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f3aebe6227c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f3af177eeaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f3af1725eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f3af1542434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f3a2b66a547 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f3aefc8260a in start_thread (arg=0x7f3a29a2e700) at pthread_create.c:334
#9  0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f3a1d69a700 (LWP 14220)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a1d69a700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f3a166e2700 (LWP 14221)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f3aefc8260a in start_thread (arg=0x7f3a166e2700) at pthread_create.c:334
#14 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f3a15ee1700 (LWP 14222)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a15ee1700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f3a156e0700 (LWP 14223)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a156e0700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f3a14edf700 (LWP 14224)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a14edf700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f3a07fff700 (LWP 14225)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a07fff700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f3a077fe700 (LWP 14226)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
---Type <return> to continue, or q <return> to quit---
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a077fe700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f3a06ffd700 (LWP 14227)):
#0  0x00007f3aefc87b10 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3af154866b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f3a3253cbff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f3a325413a8 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f3a32541402 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3a3253bcb3 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f3a3253ec43 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f3af15473de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f3aefc8260a in start_thread (arg=0x7f3a06ffd700) at pthread_create.c:334
#10 0x00007f3af094aa4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3af8f61940 (LWP 14101)):
#0  0x00007f3af093efdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3af6df9272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f3af6dfafb9 in xcb_wait_for_special_event () at /lib64/libxcb.so.1
#3  0x00007f3aee6d57d7 in dri3_find_back () at /lib64/libGL.so.1
#4  0x00007f3aee6d6580 in loader_dri3_get_buffers () at /lib64/libGL.so.1
#5  0x00007f3acf240e4b in intel_update_renderbuffers () at /usr/lib64/dri/i965_dri.so
#6  0x00007f3acf2411a1 in intel_prepare_render () at /usr/lib64/dri/i965_dri.so
#7  0x00007f3acf2330b0 in brw_clear () at /usr/lib64/dri/i965_dri.so
#8  0x00007f3af646ebea in QSGBatchRenderer::Renderer::renderBatches() () at /lib64/libQt5Quick.so.5
#9  0x00007f3af64745d2 in QSGBatchRenderer::Renderer::render() () at /lib64/libQt5Quick.so.5
#10 0x00007f3af64802cf in QSGRenderer::renderScene(QSGBindable const&) () at /lib64/libQt5Quick.so.5
#11 0x00007f3af6480b1b in QSGRenderer::renderScene(unsigned int) () at /lib64/libQt5Quick.so.5
#12 0x00007f3af6490fee in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /lib64/libQt5Quick.so.5
#13 0x00007f3af64dafcb in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /lib64/libQt5Quick.so.5
#14 0x00007f3af64ab99b in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#15 0x00007f3af64ad2a6 in QSGGuiThreadRenderLoop::exposureChanged(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#16 0x00007f3af1c6d995 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5
#17 0x00007f3af64e6801 in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5
#18 0x00007f3af8a1d44b in PlasmaQuick::Dialog::event(QEvent*) () at /lib64/libKF5PlasmaQuick.so.5
#19 0x00007f3af2cdc41c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#20 0x00007f3af2ce18e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#21 0x00007f3af172873b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007f3af1c65e7c in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /lib64/libQt5Gui.so.5
#23 0x00007f3af1c66bed in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5
#24 0x00007f3af1c4a918 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5
#25 0x00007f3adae630b0 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5
#26 0x00007f3aebe61e3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#27 0x00007f3aebe621d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#28 0x00007f3aebe6227c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#29 0x00007f3af177eeaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
---Type <return> to continue, or q <return> to quit---
#30 0x00007f3af1725eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f3af172dfac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#32 0x000055681c32208a in main ()
(gdb)

Reproducible: Always




Graphics driver: i915

$ lspci 
[...]
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09)
[...]
Comment 1 Alexander Potashev 2016-03-31 22:45:52 UTC 
Judging by frozen digital clock widget, plasmashell hung up after either 1 hour or 25 hours of inactivity. But I believe it was 25 hours because I never saw plasmashell hanging up overnight on the same Fedora 23 system.
Comment 2 David Edmundson 2017-04-04 14:41:59 UTC 

*** This bug has been marked as a duplicate of bug 360021 ***