Application: plasmashell (5.3.2)

Qt Version: 5.5.0
Operating System: Linux 4.1.6-200.fc22.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:

I was watching a movie and suddenly plasma crashed. I started plasma new and not even two minutes later it crashed again.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f23517cc900 (LWP 2996))]

Thread 19 (Thread 0x7f2343fff700 (LWP 3000)):
#0  QTimerInfoList::updateCurrentTime (this=this@entry=0x7f233c002ed0) at kernel/qtimerinfo_unix.cpp:83
#1  0x0000003c42ed7da5 in QTimerInfoList::timerWait (this=0x7f233c002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:381
#2  0x0000003c42ed918e in timerSourcePrepareHelper (timeout=0x7f2343ffeae4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#3  timerSourcePrepare (source=<optimized out>, timeout=timeout@entry=0x7f2343ffeae4) at kernel/qeventdispatcher_glib.cpp:160
#4  0x0000003cf164935d in g_main_context_prepare (context=context@entry=0x7f233c000990, priority=priority@entry=0x7f2343ffeb70) at gmain.c:3410
#5  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7f233c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#6  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f233c000990, may_block=may_block@entry=1) at gmain.c:3869
#7  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f233c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f2343ffeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x2719920) at thread/qthread.cpp:503
#10 0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x2719920) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#11 0x0000003c42ca254e in QThreadPrivate::start (arg=0x2719920) at thread/qthread_unix.cpp:331
#12 0x0000003cef607555 in start_thread (arg=0x7f2343fff700) at pthread_create.c:333
#13 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f2340f03700 (LWP 3001)):
#0  0x0000003ceeef2fad in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf168db00 in read (__nbytes=16, __buf=0x7f2340f02aa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f233c0025a0) at gwakeup.c:210
#3  0x0000003cf16498b4 in g_main_context_check (context=context@entry=0x7f2334000990, max_priority=2147483647, fds=fds@entry=0x7f2334002e70, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7f2334000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2334000990, may_block=may_block@entry=1) at gmain.c:3869
#6  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f23340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f2340f02ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x3290d60) at thread/qthread.cpp:503
#9  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x3290d60) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#10 0x0000003c42ca254e in QThreadPrivate::start (arg=0x3290d60) at thread/qthread_unix.cpp:331
#11 0x0000003cef607555 in start_thread (arg=0x7f2340f03700) at pthread_create.c:333
#12 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f233a19a700 (LWP 3004)):
#0  g_main_context_check (context=context@entry=0x7f232c000990, max_priority=2147483647, fds=fds@entry=0x7f232c003070, n_fds=n_fds@entry=1) at gmain.c:3649
#1  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7f232c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#2  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f232c000990, may_block=may_block@entry=1) at gmain.c:3869
#3  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f232c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f233a199ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x3376e30) at thread/qthread.cpp:503
#6  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x3376e30) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x0000003c42ca254e in QThreadPrivate::start (arg=0x3376e30) at thread/qthread_unix.cpp:331
#8  0x0000003cef607555 in start_thread (arg=0x7f233a19a700) at pthread_create.c:333
#9  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f2339199700 (LWP 3005)):
#0  0x0000003cf1646e43 in g_source_iter_next (iter=iter@entry=0x7f2339198af0, source=source@entry=0x7f2339198ae8) at gmain.c:924
#1  0x0000003cf164972a in g_main_context_check (context=context@entry=0x7f2330000990, max_priority=2147483647, fds=fds@entry=0x7f2330003070, n_fds=n_fds@entry=1) at gmain.c:3629
#2  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7f2330000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2330000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f23300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f2339198ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x342a480) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x342a480) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x342a480) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f2339199700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f232bfff700 (LWP 3006)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2324002e70, timeout=<optimized out>, context=0x7f2324000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f2324000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2324000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f23240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f232bffeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x34c6cd0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x34c6cd0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x34c6cd0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f232bfff700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f232affe700 (LWP 3007)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7f231c000990) at gthread-posix.c:1336
#1  0x0000003cf1649369 in g_main_context_prepare (context=context@entry=0x7f231c000990, priority=priority@entry=0x7f232affdb70) at gmain.c:3412
#2  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7f231c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f231c000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f231c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f232affdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x35562f0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x35562f0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x35562f0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f232affe700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f2329b3e700 (LWP 3008)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7f2320000990) at gthread-posix.c:1336
#1  0x0000003cf1649581 in g_main_context_query (context=context@entry=0x7f2320000990, max_priority=2147483647, timeout=timeout@entry=0x7f2329b3db74, fds=fds@entry=0x7f2320002e70, n_fds=n_fds@entry=1) at gmain.c:3512
#2  0x0000003cf1649d37 in g_main_context_iterate (context=context@entry=0x7f2320000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3790
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2320000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f23200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f2329b3dca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x3616f10) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x3616f10) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x3616f10) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f2329b3e700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f2328a3d700 (LWP 3009)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2314002e70, timeout=<optimized out>, context=0x7f2314000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f2314000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2314000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f23140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f2328a3cca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x36afdc0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x36afdc0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x36afdc0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f2328a3d700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f231b5f7700 (LWP 3010)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003c51f85494 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3c5226de80) at /usr/src/debug/qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003c51f854d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at /usr/src/debug/qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003cef607555 in start_thread (arg=0x7f231b5f7700) at pthread_create.c:333
#4  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f231adf6700 (LWP 3011)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2290003270, timeout=<optimized out>, context=0x7f2290000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f2290000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2290000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f231adf5ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x37654d0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x37654d0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x37654d0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f231adf6700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f228f7e6700 (LWP 3012)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2288003070, timeout=<optimized out>, context=0x7f2288000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f2288000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2288000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f228f7e5cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x0000003c42ca254e in QThreadPrivate::start (arg=0x390d880) at thread/qthread_unix.cpp:331
#8  0x0000003cef607555 in start_thread (arg=0x7f228f7e6700) at pthread_create.c:333
#9  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f228e95f700 (LWP 3013)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7f2280000990) at gthread-posix.c:1336
#1  0x0000003cf164980c in g_main_context_check (context=context@entry=0x7f2280000990, max_priority=2147483647, fds=fds@entry=0x7f22800031d0, n_fds=n_fds@entry=1) at gmain.c:3651
#2  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7f2280000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2280000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f228e95eca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x3b96a60) at thread/qthread.cpp:503
#7  0x00007f228fdf59f5 in QQuickXmlQueryEngine::run (this=0x3b96a60) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/imports/xmllistmodel/qqmlxmllistmodel.cpp:317
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x3b96a60) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f228e95f700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f228cf0a700 (LWP 3015)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2278003320, timeout=<optimized out>, context=0x7f2278000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7f2278000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2278000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f228cf09c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x3c4c180) at thread/qthread.cpp:503
#7  0x0000003c50cf6616 in QQuickPixmapReader::run (this=0x3c4c180) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/util/qquickpixmapcache.cpp:754
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x3c4c180) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f228cf0a700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f228d70b700 (LWP 3018)):
#0  g_mutex_unlock (mutex=0x7f228400d010) at gthread-posix.c:1348
#1  0x0000003cf16493e0 in g_main_context_prepare (context=context@entry=0x7f228400d010, priority=priority@entry=0x7f228d70ab70) at gmain.c:3475
#2  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7f228400d010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f228400d010, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f2284012d70, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f228d70aca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x55c0ed0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x55c0ed0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x55c0ed0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7f228d70b700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f227c8e1700 (LWP 3019)):
#0  0x00007ffd433a0a4f in clock_gettime ()
#1  0x0000003ceef10d9d in __GI___clock_gettime (clock_id=<optimized out>, tp=tp@entry=0x7f227c8e0a10) at ../sysdeps/unix/clock_gettime.c:115
#2  0x0000003c42d52bc6 in qt_clock_gettime (ts=0x7f227c8e0a10, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#5  0x0000003c42ed7839 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f2274002cd0) at kernel/qtimerinfo_unix.cpp:84
#6  0x0000003c42ed7da5 in QTimerInfoList::timerWait (this=0x7f2274002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:381
#7  0x0000003c42ed918e in timerSourcePrepareHelper (timeout=0x7f227c8e0ae4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=timeout@entry=0x7f227c8e0ae4) at kernel/qeventdispatcher_glib.cpp:160
#9  0x0000003cf164935d in g_main_context_prepare (context=context@entry=0x7f2274000990, priority=priority@entry=0x7f227c8e0b70) at gmain.c:3410
#10 0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7f2274000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#11 0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2274000990, may_block=may_block@entry=1) at gmain.c:3869
#12 0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f227c8e0ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x572afd0) at thread/qthread.cpp:503
#15 0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x572afd0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x0000003c42ca254e in QThreadPrivate::start (arg=0x572afd0) at thread/qthread_unix.cpp:331
#17 0x0000003cef607555 in start_thread (arg=0x7f227c8e1700) at pthread_create.c:333
#18 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f22724c4700 (LWP 3020)):
#0  0x0000003ceeef2fad in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf168db00 in read (__nbytes=16, __buf=0x7f22724c3a80, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f2274002340) at gwakeup.c:210
#3  0x0000003cf16498b4 in g_main_context_check (context=context@entry=0x7f226c000990, max_priority=2147483647, fds=fds@entry=0x7f226c0048c0, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7f226c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f226c000990, may_block=may_block@entry=1) at gmain.c:3869
#6  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f226c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f22724c3c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x0000003c42c9d5a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00000033ab622397 in KCupsConnection::run() () from /lib64/libkcupslib.so
#10 0x0000003c42ca254e in QThreadPrivate::start (arg=0x5c634c0) at thread/qthread_unix.cpp:331
#11 0x0000003cef607555 in start_thread (arg=0x7f22724c4700) at pthread_create.c:333
#12 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f2270a40700 (LWP 3021)):
#0  0x0000003ceeef2fad in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf168db00 in read (__nbytes=16, __buf=0x7f2270a3faa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f226c002530) at gwakeup.c:210
#3  0x0000003cf16498b4 in g_main_context_check (context=context@entry=0x7f2264000990, max_priority=2147483647, fds=fds@entry=0x7f2264003270, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7f2264000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2264000990, may_block=may_block@entry=1) at gmain.c:3869
#6  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f2270a3fca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x394ef20) at thread/qthread.cpp:503
#9  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x394ef20) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#10 0x0000003c42ca254e in QThreadPrivate::start (arg=0x394ef20) at thread/qthread_unix.cpp:331
#11 0x0000003cef607555 in start_thread (arg=0x7f2270a40700) at pthread_create.c:333
#12 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f226b7ff700 (LWP 3022)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7f2260000990) at gthread-posix.c:1336
#1  0x0000003cf1649cc0 in g_main_context_iterate (context=context@entry=0x7f2260000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3775
#2  0x0000003cf1649ecc in g_main_context_iteration (context=0x7f2260000990, may_block=may_block@entry=1) at gmain.c:3869
#3  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7f22600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7f226b7feca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x615ae70) at thread/qthread.cpp:503
#6  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x615ae70) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x0000003c42ca254e in QThreadPrivate::start (arg=0x615ae70) at thread/qthread_unix.cpp:331
#8  0x0000003cef607555 in start_thread (arg=0x7f226b7ff700) at pthread_create.c:333
#9  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f23517cc900 (LWP 2996)):
[KCrash Handler]
#6  brw_meta_fast_clear (brw=brw@entry=0x3cab398, fb=fb@entry=0x6428ca0, buffers=buffers@entry=34, partial_clear=partial_clear@entry=false) at brw_meta_fast_clear.c:446
#7  0x00007f23423378dc in brw_clear (ctx=0x3cab398, mask=34) at brw_clear.c:246
#8  0x0000003c50d263fa in QSGBatchRenderer::Renderer::renderBatches (this=this@entry=0x4bf3370) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:2471
#9  0x0000003c50d2bde2 in QSGBatchRenderer::Renderer::render (this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:2674
#10 0x0000003c50d37adf in QSGRenderer::renderScene (this=0x4bf3370, bindable=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgrenderer.cpp:208
#11 0x0000003c50d3832b in QSGRenderer::renderScene (this=<optimized out>, fboId=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/coreapi/qsgrenderer.cpp:168
#12 0x0000003c50d4871e in QSGRenderContext::renderNextFrame (this=0x28169b0, renderer=0x4bf3370, fboId=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgcontext.cpp:558
#13 0x0000003c50d9265b in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x375b370, size=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/items/qquickwindow.cpp:383
#14 0x0000003c50d6301b in QSGGuiThreadRenderLoop::renderWindow (this=this@entry=0x27d7c10, window=0x3746130) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgrenderloop.cpp:375
#15 0x0000003c50d64121 in QSGGuiThreadRenderLoop::event (this=0x27d7c10, e=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgrenderloop.cpp:471
#16 0x0000003c455544ac in QApplicationPrivate::notify_helper (this=this@entry=0x263a070, receiver=receiver@entry=0x27d7c10, e=e@entry=0x7ffd4326e7c0) at kernel/qapplication.cpp:3717
#17 0x0000003c45559976 in QApplication::notify (this=0x7ffd4326eb80, receiver=0x27d7c10, e=0x7ffd4326e7c0) at kernel/qapplication.cpp:3500
#18 0x0000003c42e8361b in QCoreApplication::notifyInternal (this=0x7ffd4326eb80, receiver=0x27d7c10, event=event@entry=0x7ffd4326e7c0) at kernel/qcoreapplication.cpp:965
#19 0x0000003c42ed8bad in sendEvent (event=0x7ffd4326e7c0, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:224
#20 QTimerInfoList::activateTimers (this=0x2676260) at kernel/qtimerinfo_unix.cpp:637
#21 0x0000003c42ed90b1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#22 0x0000003cf1649a8a in g_main_dispatch (context=0x7f23440016f0) at gmain.c:3122
#23 g_main_context_dispatch (context=context@entry=0x7f23440016f0) at gmain.c:3737
#24 0x0000003cf1649e20 in g_main_context_iterate (context=context@entry=0x7f23440016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#25 0x0000003cf1649ecc in g_main_context_iteration (context=0x7f23440016f0, may_block=may_block@entry=1) at gmain.c:3869
#26 0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x2671d10, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#27 0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7ffd4326ea00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x0000003c42e88e6c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#29 0x0000003c434e724c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1528
#30 0x0000003c455508e5 in QApplication::exec () at kernel/qapplication.cpp:2977
#31 0x000000000042ef16 in main (argc=4, argv=<optimized out>) at ../../shell/main.cpp:154

Possible duplicates by query: bug 352360, bug 352352, bug 352335, bug 352309, bug 352300.

Reported using DrKonqi