Bug 345718

Summary: Plasma crash in QXcbWindow::devicePixelRatio
Product: [Plasma] plasmashell Reporter: Edward Oubrayrie <edoubrayrie>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.2.2   
Target Milestone: 1.0   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Edward Oubrayrie 2015-03-31 09:46:40 UTC 
Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 4.0.0-0.rc5.git1.3.fc22.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Moving mouse around between monitors (and browsing on firefox)

- Related settings
This is on a triple monitor display setup:
  * Left: Dell P2210 through dock
  * Middle: Dell P2210 rotated 90 degrees through dock
  * Right: Internal Dell E7440  monitor

I wil try to see how often it reoccurs...

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4e01f75900 (LWP 13553))]

Thread 33 (Thread 0x7f4de2d15700 (LWP 13559)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4e00235182 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f4e00236cff in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f4de485dd69 in QXcbEventReader::run() () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7f4ddbfff700 (LWP 13571)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7f4dcefe6700 (LWP 13603)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7f4dcdba5700 (LWP 13633)):
#0  0x00007f4df5497214 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451e29 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7f4dccb64700 (LWP 13653)):
#0  0x00007f4df5497214 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df54523e1 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7f4dbf7ff700 (LWP 13667)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7f4dbe7fe700 (LWP 13674)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7f4dbd7fd700 (LWP 13675)):
#0  0x00007f4df9e822ed in read () from /lib64/libc.so.6
#1  0x00007f4df5495d90 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5451ee4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f4daffff700 (LWP 13679)):
#0  0x00007f4df9e822ed in read () from /lib64/libc.so.6
#1  0x00007f4df5495d90 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5451ee4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f4daeffe700 (LWP 13688)):
#0  0x00007f4df54971f9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451999 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f4df545231b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f4dadd05700 (LWP 13689)):
#0  0x00007f4df544f467 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451d5a in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f4dacc04700 (LWP 13690)):
#0  0x00007f4df8945530 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f4e016906d4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQt5Script.so.5
#2  0x00007f4e01690719 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQt5Script.so.5
#3  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f4d1ffff700 (LWP 13691)):
#0  0x00007f4df54971f9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451999 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f4df545231b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f4d1e6b4700 (LWP 13692)):
#0  0x00007f4df9e822ed in read () from /lib64/libc.so.6
#1  0x00007f4df5495d90 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5451ee4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f4d1cd62700 (LWP 13693)):
#0  0x00007f4df54971f9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451999 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f4df545231b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dff128846 in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f4d0f7ff700 (LWP 13694)):
#0  0x00007f4df54971f9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451e3c in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f4d079ba700 (LWP 13695)):
#0  0x00007f4df5497214 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df545230e in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f4d069b9700 (LWP 13696)):
#0  0x00007f4df9e822ed in read () from /lib64/libc.so.6
#1  0x00007f4df5495d90 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5451ee4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f4d058d8700 (LWP 13697)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f4cf7fff700 (LWP 13698)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f4cf6ffe700 (LWP 13699)):
#0  0x00007f4df9e822ed in read () from /lib64/libc.so.6
#1  0x00007f4df5495d90 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5451ee4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f4cf5ffd700 (LWP 13700)):
#0  0x00007f4df5497214 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df545230e in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f4cf4ffc700 (LWP 13701)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f4ce77ff700 (LWP 13702)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f4ce592d700 (LWP 13705)):
#0  0x00007f4df5497214 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5451dba in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f4ce484c700 (LWP 13706)):
#0  0x00007f4df5496c92 in g_private_get () from /lib64/libglib-2.0.so.0
#1  0x00007f4df54797e0 in g_thread_self () from /lib64/libglib-2.0.so.0
#2  0x00007f4df545137c in g_main_context_acquire () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54522a5 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#9  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f4cd2364700 (LWP 13744)):
#0  0x00007f4df5451980 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#1  0x00007f4df545231b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f4cd1141700 (LWP 13745)):
#0  0x00007f4dfacbbd63 in timerSourceCheck(_GSource*) () from /lib64/libQt5Core.so.5
#1  0x00007f4df5451e31 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f4ccaf23700 (LWP 13747)):
#0  0x00007f4df54518f2 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#1  0x00007f4df545231b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f4cc9ccc700 (LWP 13748)):
#0  0x00007f4df5451830 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#1  0x00007f4df545231b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dfece13e5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f4cc8bc3700 (LWP 13749)):
#0  0x00007f4df9e8666d in poll () from /lib64/libc.so.6
#1  0x00007f4df54523ec in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dff128846 in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f4cb7fff700 (LWP 13750)):
#0  0x00007f4df5451c92 in g_main_context_check () from /lib64/libglib-2.0.so.0
#1  0x00007f4df5452390 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f4dfacbc4eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f4dfaa88494 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f4dff128846 in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#7  0x00007f4dfaa8d45e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f4df8940555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f4df9e91f3d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f4e01f75900 (LWP 13553)):
[KCrash Handler]
#5  0x00007f4de487153c in QXcbWindow::devicePixelRatio() const () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#6  0x00007f4de4873754 in QXcbWindow::propagateSizeHints() () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#7  0x00007f4de487581b in QXcbWindow::show() () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#8  0x00007f4dfb1897f1 in QWindow::setVisible(bool) () from /lib64/libQt5Gui.so.5
#9  0x00007f4dda9d5fec in ToolTip::showToolTip() [clone .part.22] [clone .constprop.27] () from /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#10 0x00007f4dfac94dff in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#11 0x00007f4dfaca2598 in QTimer::timerEvent(QTimerEvent*) () from /lib64/libQt5Core.so.5
#12 0x00007f4dfac963a3 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#13 0x00007f4dfc1e5dec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#14 0x00007f4dfc1eb370 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#15 0x00007f4dfac657fb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#16 0x00007f4dfacbb2ed in QTimerInfoList::activateTimers() () from /lib64/libQt5Core.so.5
#17 0x00007f4dfacbb829 in idleTimerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#18 0x00007f4df54520ba in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#19 0x00007f4df5452450 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#20 0x00007f4df54524fc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#21 0x00007f4dfacbc4cf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#22 0x00007f4dfac6327a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#23 0x00007f4dfac6acdc in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#24 0x000000000042e4dc in main ()

Reported using DrKonqi
Comment 1 Bhushan Shah 2015-09-08 08:02:35 UTC 
Given bug have more information

*** This bug has been marked as a duplicate of bug 349197 ***