Bug 352456

Summary: Plasma Crashes when a large number of Firefox windows/tabs are open
Product: [Plasma] plasmashell Reporter: Jonathan Ryshpan <jonrysh>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhubbard, bshah, 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 Jonathan Ryshpan 2015-09-08 22:31:43 UTC 
Application: plasmashell (5.3.2)

Qt Version: 5.5.0
Operating System: Linux 4.1.6-200.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed:
Nothing in particular

- Unusual behavior I noticed:
None, except for the crash popup.  Plasma was restarted transparently. (YumYum (8-))

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa4ffb79900 (LWP 8373))]

Thread 20 (Thread 0x7fa4dfe04700 (LWP 8375)):
#0  0x00007fa4f79ec2fd in poll () at /lib64/libc.so.6
#1  0x00007fa4fde31182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fa4fde32c77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fa4e1f92999 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7fa4dd7f9700 (LWP 8376)):
#0  0x00007fa4f2be3ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e969 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9ee20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fa4d4d2f700 (LWP 8396)):
#0  0x00007fa4f2be3ec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e67e in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9ed60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fa4cb1b3700 (LWP 8399)):
#0  0x00007fa4f79e7fad in read () at /lib64/libc.so.6
#1  0x00007fa4f2be2b00 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9e8b4 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9ed60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fa4ca102700 (LWP 8400)):
#0  0x00007fa4f2be3ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e7f9 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9ed60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fa4c9001700 (LWP 8401)):
#0  0x00007fa4f2b9e2f0 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fa4bbeff700 (LWP 8402)):
#0  0x00007fa4f79ec2fd in poll () at /lib64/libc.so.6
#1  0x00007fa4f2b9edbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fa4ba796700 (LWP 8403)):
#0  0x00007fa4f2b9e237 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fa4b94ad700 (LWP 8404)):
#0  0x00007fa4f648f540 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa4ff297494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fa4ff2974d9 in  () at /lib64/libQt5Script.so.5
#3  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fa4b8b94700 (LWP 8405)):
#0  0x00007fa4f2be3ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e350 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fa4288d1700 (LWP 8406)):
#0  0x00007fa4f2be3ec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e80c in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9ed60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fcf3a616 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fa422411700 (LWP 8426)):
#0  0x00007fa4f2be3ee4 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9eed6 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#6  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fa419523700 (LWP 8429)):
#0  0x00007fa4f2be3ec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e369 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fa413fff700 (LWP 8430)):
#0  0x00007fa4f2be3ec9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e369 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fa40b8e3700 (LWP 8431)):
#0  0x00007fa4f2b9e237 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa411754397 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fa40ac78700 (LWP 8433)):
#0  0x00007fa4f2be2b1a in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9e8b4 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9ed60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fa409c77700 (LWP 8434)):
#0  0x00007fa4f7a05d80 in clock_gettime () at /lib64/libc.so.6
#1  0x00007fa4f86a8bc6 in qt_gettime() () at /lib64/libQt5Core.so.5
#2  0x00007fa4f882d839 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#3  0x00007fa4f882dda5 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f882f18e in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f2b9e35d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#6  0x00007fa4f2b9eceb in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#7  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#8  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#9  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#10 0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#11 0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#12 0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#14 0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa408b96700 (LWP 8435)):
#0  0x00007fa4f79ec2fd in poll () at /lib64/libc.so.6
#1  0x00007fa4f2b9edbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa3fb7ff700 (LWP 8436)):
#0  0x00007fa4f2be3ee0 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fa4f2b9eed6 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#2  0x00007fa4f882fdab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa4f85f35a4 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fa4fc8c7245 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#6  0x00007fa4f85f854e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fa4f648a555 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa4f79f7b9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa4ffb79900 (LWP 8373)):
[KCrash Handler]
#5  0x00007fa4d741e4ac in brw_meta_fast_clear () at /usr/lib64/dri/i965_dri.so
#6  0x00007fa4d73a98dc in brw_clear () at /usr/lib64/dri/i965_dri.so
#7  0x00007fa4fcf6a3fa in QSGBatchRenderer::Renderer::renderBatches() () at /lib64/libQt5Quick.so.5
#8  0x00007fa4fcf6fde2 in QSGBatchRenderer::Renderer::render() () at /lib64/libQt5Quick.so.5
#9  0x00007fa4fcf7badf in QSGRenderer::renderScene(QSGBindable const&) () at /lib64/libQt5Quick.so.5
#10 0x00007fa4fcf7c32b in QSGRenderer::renderScene(unsigned int) () at /lib64/libQt5Quick.so.5
#11 0x00007fa4fcf8c71e in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /lib64/libQt5Quick.so.5
#12 0x00007fa4fcfd665b in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /lib64/libQt5Quick.so.5
#13 0x00007fa4fcfa701b in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#14 0x00007fa4fcfa8121 in QSGGuiThreadRenderLoop::event(QEvent*) () at /lib64/libQt5Quick.so.5
#15 0x00007fa4f9d8f4ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007fa4f9d94976 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#17 0x00007fa4f87d961b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#18 0x00007fa4f882ebad in QTimerInfoList::activateTimers() () at /lib64/libQt5Core.so.5
#19 0x00007fa4f882f0b1 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#20 0x00007fa4f2b9ea8a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#21 0x00007fa4f2b9ee20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#22 0x00007fa4f2b9eecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#23 0x00007fa4f882fd8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#24 0x00007fa4f87d6daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#25 0x00007fa4f87dee6c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#26 0x000000000042ef16 in main ()

Possible duplicates by query: bug 352439, bug 352433, bug 352417, bug 352380, bug 352360.

Reported using DrKonqi
Comment 1 Bhushan Shah 2015-09-09 04:25:56 UTC 
See comments in linked report

*** This bug has been marked as a duplicate of bug 349519 ***