Bug 352726

Summary: Plasma crash when I plug my external screen
Product: [Plasma] plasmashell Reporter: thd.dev
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED UPSTREAM    
Severity: crash CC: bshah, christoph, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.3.2   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description thd.dev 2015-09-15 07:56:56 UTC 
Application: plasmashell (5.3.2)

Qt Version: 5.5.0
Operating System: Linux 4.1.6-201.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
When I plug my external screen with my laptop, Plasma crash systematically.

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 0x7f22fe791900 (LWP 1484))]

Thread 20 (Thread 0x7f22dea25700 (LWP 1485)):
#0  0x00007f22f660d2fd in poll () at /lib64/libc.so.6
#1  0x00007f22fca44182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f22fca45c77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f22e0bb3999 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f22d7fff700 (LWP 1533)):
#0  0x00007f22f1804ec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bfcc0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f22cefe6700 (LWP 1555)):
#0  0x00007f22f17bf5a7 in g_main_context_query () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bfd37 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f22cdb81700 (LWP 1567)):
#0  0x00007f22f660d2fd in poll () at /lib64/libc.so.6
#1  0x00007f22f17bfdbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f22ccaa0700 (LWP 1568)):
#0  0x00007f22f1804ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bf350 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f22bf7ff700 (LWP 1569)):
#0  0x00007f22f662664f in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x00007f22f6608fa2 in read () at /lib64/libc.so.6
#2  0x00007f22f1803b00 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#3  0x00007f22f17bf8b4 in g_main_context_check () at /lib64/libglib-2.0.so.0
#4  0x00007f22f17bfd60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#5  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#6  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#8  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#9  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#10 0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#11 0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f22be7fe700 (LWP 1576)):
#0  0x00007f22f17bfea0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#1  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#2  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#4  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#5  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#6  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#7  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f22bd13e700 (LWP 1583)):
#0  0x00007f22f17bce64 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bf72a in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfd60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f22afdf7700 (LWP 1584)):
#0  0x00007f22f1804ec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bf369 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f22aed46700 (LWP 1585)):
#0  0x00007f22f6626d92 in clock_gettime () at /lib64/libc.so.6
#1  0x00007f22f72c9bc6 in qt_gettime() () at /lib64/libQt5Core.so.5
#2  0x00007f22f744e839 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#3  0x00007f22f744eda5 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#4  0x00007f22f745018e in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#5  0x00007f22f17bf35d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#6  0x00007f22f17bfceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#7  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#8  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#9  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#11 0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#12 0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f22adc45700 (LWP 1586)):
#0  0x00007f22f1804ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bfd76 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f22acb44700 (LWP 1587)):
#0  0x00007f22f6608fad in read () at /lib64/libc.so.6
#1  0x00007f22f1803b00 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bf8b4 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f22f17bfd60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f229f7ff700 (LWP 1588)):
#0  0x00007f22f50b2540 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f22fdea7494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f22fdea74d9 in  () at /lib64/libQt5Script.so.5
#3  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f2213b3f700 (LWP 1597)):
#0  0x00007f22f660d2fd in poll () at /lib64/libc.so.6
#1  0x00007f22f17bfdbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fbb4d616 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f220a491700 (LWP 1599)):
#0  0x00007f22f1804ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bf969 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfe20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f21ff22e700 (LWP 1600)):
#0  0x00007f22f1804ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bfdb1 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f2208f1e397 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f21fce51700 (LWP 1609)):
#0  0x00007f22f660d2fd in poll () at /lib64/libc.so.6
#1  0x00007f22f17bfdbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f21f77ff700 (LWP 1610)):
#0  0x00007f22f660d2fd in poll () at /lib64/libc.so.6
#1  0x00007f22f17bfdbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f21ea200700 (LWP 1695)):
#0  0x00007f22f17bf73e in g_main_context_check () at /lib64/libglib-2.0.so.0
#1  0x00007f22f17bfd60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f22f7450dab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f22f72145a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f22fb4da245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f22f721954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f22f50ad555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f22f6618b9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f22fe791900 (LWP 1484)):
[KCrash Handler]
#5  0x00007f22f795b960 in QScreen::handle() const () at /lib64/libQt5Gui.so.5
#6  0x00007f22e0bbafb9 in QXcbIntegration::createPlatformWindow(QWindow*) const () at /lib64/libQt5XcbQpa.so.5
#7  0x00007f22f793db04 in QWindowPrivate::create(bool) () at /lib64/libQt5Gui.so.5
#8  0x00007f22f793ddc8 in QWindow::winId() const () at /lib64/libQt5Gui.so.5
#9  0x000000000044782b in PanelShadows::Private::clearShadow(QWindow const*) ()
#10 0x000000000044a68d in PanelShadows::removeWindow(QWindow const*) ()
#11 0x0000000000446e2d in PanelConfigView::~PanelConfigView() ()
#12 0x0000000000446e99 in PanelConfigView::~PanelConfigView() ()
#13 0x00007f22f742a040 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#14 0x00007f22f793f858 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5
#15 0x00007f22fbbf4e91 in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5
#16 0x00007f22f89b04ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#17 0x00007f22f89b5976 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#18 0x00007f22f73fa61b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#19 0x00007f22f73fca16 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#20 0x00007f22f7450983 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#21 0x00007f22f17bfa8a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#22 0x00007f22f17bfe20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#23 0x00007f22f17bfecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#24 0x00007f22f7450d8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#25 0x00007f22f73f7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#26 0x00007f22f73ffe6c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#27 0x000000000042ef16 in main ()

Possible duplicates by query: bug 352712, bug 350800, bug 350766, bug 350710, bug 350692.

Reported using DrKonqi
Comment 1 Christoph Cullmann 2015-10-05 13:13:24 UTC 
=> Known Qt issue, please report more info there:


https://bugreports.qt.io/browse/QTBUG-42985