Bug 378421

Summary: Plasma sometimes crashes when sending windows to a different activity
Product: [Plasma] plasmashell Reporter: Bill Sun <billksun>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, notmart, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.9.4   
Target Milestone: 1.0   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Bill Sun 2017-04-04 01:32:59 UTC 
Application: plasmashell (5.9.4)

Qt Version: 5.8.0
Frameworks Version: 5.32.0
Operating System: Linux 4.10.8-1-MANJARO x86_64
Distribution: "Manjaro Linux"

-- Information about the crash:
- What I was doing when the application crashed:
I have a couple of Firefox Developer windows open and was sending 2 of them over to a different Plasma Activity.  Then the Plasma Panel dissappears and reappears along with a DrKonqi notification saying Plasma crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb0bed83800 (LWP 1812))]

Thread 23 (Thread 0x7faf957f2700 (LWP 20809)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7faf94ddd700 (LWP 24156)):
#0  0x00007fb0b83bc381 in read () at /usr/lib/libc.so.6
#1  0x00007fb0b3184aa0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b314026e in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b3140744 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb0bbc33025 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7faf96ff4700 (LWP 24053)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7faf977f5700 (LWP 24019)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fafa7fff700 (LWP 24018)):
#0  0x00007fb0ac84c44f in pa_pstream_unref () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#1  0x00007fb0ac84c989 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#2  0x00007fb0ac84d20a in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#3  0x00007fb0acecb99c in pa_mainloop_dispatch () at /usr/lib/libpulse.so.0
#4  0x00007fb0acecbd9c in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#5  0x00007fb0acecbe40 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#6  0x00007fb0aced9e29 in  () at /usr/lib/libpulse.so.0
#7  0x00007fb0ac85cfe8 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#8  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fafadb5d700 (LWP 24017)):
#0  0x00007fb0b3185e49 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb0b313fc99 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b31406cb in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fb0bbc33025 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fafaf335700 (LWP 29441)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fafb9505700 (LWP 5357)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fafa727f700 (LWP 2916)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fafdcdbc700 (LWP 2738)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fafc8e62700 (LWP 2435)):
#0  0x00007fb0b83c067d in poll () at /usr/lib/libc.so.6
#1  0x00007fb0b31407a6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fafc9a1d700 (LWP 2434)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fafdd5bd700 (LWP 2413)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fafe4c68700 (LWP 2411)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fafe71b5700 (LWP 2392)):
#0  0x00007fb0b313d77d in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb0b31400e4 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b3140744 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fafe9b900a7 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#8  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fb004eda700 (LWP 2050)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0b8abc58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0bc86c665 in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007fb0bc86cf72 in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb005ec5700 (LWP 2041)):
#0  0x00007fb0b3185e64 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb0b313fc80 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b31406cb in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fb0bc7fafd6 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb095725700 (LWP 2010)):
#0  0x00007fb0b7963756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fb0be517234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fb0be517279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb097585700 (LWP 1972)):
#0  0x00007fb0b8ab2c49 in QMutex::unlock() () at /usr/lib/libQt5Core.so.5
#1  0x00007fb0b8cea7f1 in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fb0b313fc8d in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b31406cb in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb0bbc33025 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb0a509d700 (LWP 1903)):
#0  0x00007fb0b83c067d in poll () at /usr/lib/libc.so.6
#1  0x00007fb0b31407a6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0bbc33025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb0a6f9d700 (LWP 1861)):
#0  0x00007fb0b3185e49 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb0b3140762 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb0b8ceb06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b8ab6a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb0b9844125 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb0a8dc5700 (LWP 1828)):
#0  0x00007fb0b83c067d in poll () at /usr/lib/libc.so.6
#1  0x00007fb0bd4228e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fb0bd424679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fb0ab368239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fb0b8abb6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb0b795d2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb0b83ca54f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb0bed83800 (LWP 1812)):
[KCrash Handler]
#6  0x00007fb0b8c5c510 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb0b8c5c7e9 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb0b8c643c9 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fb0b8cc1d49 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#10 0x00007fb0b8d39484 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#11 0x00007fb0b8c3dd6b in QAbstractItemModel::endRemoveRows() () at /usr/lib/libQt5Core.so.5
#12 0x00007faff52bd4ab in  () at /usr/lib/libtaskmanager.so.6
#13 0x00007faff52c06f9 in  () at /usr/lib/libtaskmanager.so.6
#14 0x00007fb0b8cc1d49 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#15 0x00007fb0b8d39414 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#16 0x00007fb0b8c3d613 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/libQt5Core.so.5
#17 0x00007fb0b8c61b15 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007fb0b8c628f6 in  () at /usr/lib/libQt5Core.so.5
#19 0x00007fb0b8c64448 in  () at /usr/lib/libQt5Core.so.5
#20 0x00007fb0b8cc1d49 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#21 0x00007fb0b8d3917c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#22 0x00007faffcb23ae6 in  () at /usr/lib/libKF5ItemModels.so.5
#23 0x00007fb0b8cc1d49 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#24 0x00007fb0b8d3917c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#25 0x00007fb0b8c55f92 in  () at /usr/lib/libQt5Core.so.5
#26 0x00007fb0b8c57be8 in  () at /usr/lib/libQt5Core.so.5
#27 0x00007fb0b8cc1d49 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#28 0x00007fb0b8d3917c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#29 0x00007faff52d753a in TaskManager::XWindowTasksModel::Private::dataChanged(unsigned long long, QVector<int> const&) () at /usr/lib/libtaskmanager.so.6
#30 0x00007faff52da000 in TaskManager::XWindowTasksModel::Private::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/libtaskmanager.so.6
#31 0x00007faff52da06c in  () at /usr/lib/libtaskmanager.so.6
#32 0x00007fb0b8cc20be in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#33 0x00007fb0bb7408f8 in KWindowSystem::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/libKF5WindowSystem.so.5
#34 0x00007fb0a54c05cf in  () at /usr/lib/qt/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#35 0x00007fb0b8c9355f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#36 0x00007fb0ab369974 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#37 0x00007fb0ab36a655 in QXcbConnection::processXcbEvents() () at /usr/lib/libQt5XcbQpa.so.5
#38 0x00007fb0b8cc2ba9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#39 0x00007fb0b9c1134c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#40 0x00007fb0b9c18b61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#41 0x00007fb0b8c96440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#42 0x00007fb0b8c98bcd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#43 0x00007fb0b8ceac43 in  () at /usr/lib/libQt5Core.so.5
#44 0x00007fb0b31405a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#45 0x00007fb0b3140810 in  () at /usr/lib/libglib-2.0.so.0
#46 0x00007fb0b31408bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#47 0x00007fb0b8ceb04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#48 0x00007fb0b8c9489a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#49 0x00007fb0b8c9cde4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#50 0x000000000041ca42 in  ()
#51 0x00007fb0b82fe511 in __libc_start_main () at /usr/lib/libc.so.6
#52 0x000000000041cdca in _start ()

Reported using DrKonqi
Comment 1 Marco Martin 2017-04-04 11:38:55 UTC 

*** This bug has been marked as a duplicate of bug 342763 ***