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:
- Unusual behavior I noticed:
In the moment I started Dolphin plasma 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 0x7fe80ec27900 (LWP 2094))]

Thread 20 (Thread 0x7fe807c58700 (LWP 2096)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1e0a182 in poll (__timeout=-1, __nfds=1, __fds=0x7fe807c57bc0) at /usr/include/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0xef3b60, cond=cond@entry=0xef3ba0, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
#3  0x0000003cf1e0bc77 in xcb_wait_for_event (c=0xef3b60) at xcb_in.c:648
#4  0x00007fe8080b7999 in QXcbEventReader::run (this=0xefe230) at qxcbconnection.cpp:1198
#5  0x0000003c42ca254e in QThreadPrivate::start (arg=0xefe230) at thread/qthread_unix.cpp:331
#6  0x0000003cef607555 in start_thread (arg=0x7fe807c58700) at pthread_create.c:333
#7  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fe805924700 (LWP 2128)):
#0  0x0000003ceeef2fad in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf168db00 in read (__nbytes=16, __buf=0x7fe805923aa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7fe8000015b0) at gwakeup.c:210
#3  0x0000003cf16498b4 in g_main_context_check (context=context@entry=0x7fe7f8000990, max_priority=2147483647, fds=fds@entry=0x7fe7f8003070, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7fe7f8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7f8000990, may_block=may_block@entry=1) at gmain.c:3869
#6  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe805923ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0xfc5ed0) at thread/qthread.cpp:503
#9  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0xfc5ed0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#10 0x0000003c42ca254e in QThreadPrivate::start (arg=0xfc5ed0) at thread/qthread_unix.cpp:331
#11 0x0000003cef607555 in start_thread (arg=0x7fe805924700) at pthread_create.c:333
#12 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fe7fd06b700 (LWP 2313)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7fe7f4000990) at gthread-posix.c:1336
#1  0x0000003cf1649369 in g_main_context_prepare (context=context@entry=0x7fe7f4000990, priority=priority@entry=0x7fe7fd06ab70) at gmain.c:3412
#2  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7fe7f4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7f4000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7fd06aca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1b3c030) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1b3c030) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x1b3c030) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe7fd06b700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fe7f34ca700 (LWP 2316)):
#0  0x0000003c42c9b8df in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x1c2bf78: 0x0) at ../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, _q_value=@0x1c2bf78: 0x0) at ../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, this=this@entry=0x1c2bf78) at ../../src/corelib/thread/qbasicatomic.h:280
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x1c2bf78) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x1c2bf78) at thread/qmutex.cpp:264
#5  0x0000003c42ed9615 in unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:138
#6  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:132
#7  canWaitLocked (this=<optimized out>) at ../../src/corelib/thread/qthread_p.h:249
#8  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7fe7ec0012d0) at kernel/qeventdispatcher_glib.cpp:254
#9  postEventSourceCheck (source=0x7fe7ec0012d0) at kernel/qeventdispatcher_glib.cpp:264
#10 0x0000003cf1649801 in g_main_context_check (context=context@entry=0x7fe7ec000990, max_priority=2147483647, fds=fds@entry=0x7fe7ec003070, n_fds=n_fds@entry=1) at gmain.c:3649
#11 0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7fe7ec000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#12 0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7ec000990, may_block=may_block@entry=1) at gmain.c:3869
#13 0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#14 0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7f34c9ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1c219d0) at thread/qthread.cpp:503
#16 0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1c219d0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#17 0x0000003c42ca254e in QThreadPrivate::start (arg=0x1c219d0) at thread/qthread_unix.cpp:331
#18 0x0000003cef607555 in start_thread (arg=0x7fe7f34ca700) at pthread_create.c:333
#19 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fe7f23f9700 (LWP 2317)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fe7e4003070, timeout=<optimized out>, context=0x7fe7e4000990) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7fe7e4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7e4000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7f23f8ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1cdfee0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1cdfee0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x1cdfee0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe7f23f9700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fe7f12f8700 (LWP 2318)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7fe7e8000990) at gthread-posix.c:1336
#1  0x0000003cf1649369 in g_main_context_prepare (context=context@entry=0x7fe7e8000990, priority=priority@entry=0x7fe7f12f7b70) at gmain.c:3412
#2  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7fe7e8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7e8000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7f12f7ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1d6ff30) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1d6ff30) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x1d6ff30) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe7f12f8700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fe7e3fff700 (LWP 2319)):
#0  0x0000003c42c9b8df in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x1e17658: 0x0) at ../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, _q_value=@0x1e17658: 0x0) at ../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, this=this@entry=0x1e17658) at ../../src/corelib/thread/qbasicatomic.h:280
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x1e17658) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x1e17658) at thread/qmutex.cpp:264
#5  0x0000003c42ed9341 in unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:138
#6  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:132
#7  canWaitLocked (this=0x1e17630) at ../../src/corelib/thread/qthread_p.h:249
#8  postEventSourcePrepare (s=0x7fe7dc0012d0, timeout=timeout@entry=0x7fe7e3ffeae4) at kernel/qeventdispatcher_glib.cpp:254
#9  0x0000003cf164935d in g_main_context_prepare (context=context@entry=0x7fe7dc000990, priority=priority@entry=0x7fe7e3ffeb70) at gmain.c:3410
#10 0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7fe7dc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#11 0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7dc000990, may_block=may_block@entry=1) at gmain.c:3869
#12 0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7e3ffeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1e14320) at thread/qthread.cpp:503
#15 0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1e14320) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x0000003c42ca254e in QThreadPrivate::start (arg=0x1e14320) at thread/qthread_unix.cpp:331
#17 0x0000003cef607555 in start_thread (arg=0x7fe7e3fff700) at pthread_create.c:333
#18 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fe7e29bf700 (LWP 2320)):
#0  0x0000003ceeef2fad in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf168db00 in read (__nbytes=16, __buf=0x7fe7e29beaa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7fe7dc002750) at gwakeup.c:210
#3  0x0000003cf16498b4 in g_main_context_check (context=context@entry=0x7fe7d4000990, max_priority=2147483647, fds=fds@entry=0x7fe7d4002e70, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7fe7d4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7d4000990, may_block=may_block@entry=1) at gmain.c:3869
#6  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7e29beca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1eba360) at thread/qthread.cpp:503
#9  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1eba360) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#10 0x0000003c42ca254e in QThreadPrivate::start (arg=0x1eba360) at thread/qthread_unix.cpp:331
#11 0x0000003cef607555 in start_thread (arg=0x7fe7e29bf700) at pthread_create.c:333
#12 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fe7e19ae700 (LWP 2321)):
#0  0x0000003c42c9b4ba in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x1f5a978: 0x1) at ../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0, _q_value=@0x1f5a978: 0x1) at ../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0, this=0x1f5a978, this@entry=0x29) at ../../src/corelib/thread/qbasicatomic.h:278
#3  fastTryLock (current=<synthetic pointer>, this=0x1f5a978, this@entry=0x29) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x1f5a978) at thread/qmutex.cpp:212
#5  0x0000003c42ed9609 in QMutexLocker (m=0x1f5a978, this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x1f5a950) at ../../src/corelib/thread/qthread_p.h:249
#7  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7fe7d80012d0) at kernel/qeventdispatcher_glib.cpp:254
#8  postEventSourceCheck (source=0x7fe7d80012d0) at kernel/qeventdispatcher_glib.cpp:264
#9  0x0000003cf1649801 in g_main_context_check (context=context@entry=0x7fe7d8000990, max_priority=2147483647, fds=fds@entry=0x7fe7d8002e70, n_fds=n_fds@entry=1) at gmain.c:3649
#10 0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7fe7d8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#11 0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe7d8000990, may_block=may_block@entry=1) at gmain.c:3869
#12 0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7e19adca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x1f5a7a0) at thread/qthread.cpp:503
#15 0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x1f5a7a0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x0000003c42ca254e in QThreadPrivate::start (arg=0x1f5a7a0) at thread/qthread_unix.cpp:331
#17 0x0000003cef607555 in start_thread (arg=0x7fe7e19ae700) at pthread_create.c:333
#18 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fe7d3fff700 (LWP 2322)):
#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=0x7fe7d3fff700) at pthread_create.c:333
#4  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fe7537fe700 (LWP 2323)):
#0  g_main_context_prepare (context=context@entry=0x7fe74c000990, priority=priority@entry=0x7fe7537fdb70) at gmain.c:3410
#1  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7fe74c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#2  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe74c000990, may_block=may_block@entry=1) at gmain.c:3869
#3  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe74c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe7537fdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x2003ef0) at thread/qthread.cpp:503
#6  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x2003ef0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x0000003c42ca254e in QThreadPrivate::start (arg=0x2003ef0) at thread/qthread_unix.cpp:331
#8  0x0000003cef607555 in start_thread (arg=0x7fe7537fe700) at pthread_create.c:333
#9  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fe750b25700 (LWP 2324)):
#0  0x0000003ceeef2fad in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf168db00 in read (__nbytes=16, __buf=0x7fe750b24ac0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7fe74c002720) at gwakeup.c:210
#3  0x0000003cf16498b4 in g_main_context_check (context=context@entry=0x7fe744000990, max_priority=2147483647, fds=fds@entry=0x7fe744003070, n_fds=n_fds@entry=1) at gmain.c:3600
#4  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7fe744000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe744000990, may_block=may_block@entry=1) at gmain.c:3869
#6  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe750b24cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x0000003c42c9d5a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x0000003c42ca254e in QThreadPrivate::start (arg=0x21ba250) at thread/qthread_unix.cpp:331
#10 0x0000003cef607555 in start_thread (arg=0x7fe750b25700) at pthread_create.c:333
#11 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fe74bbaf700 (LWP 2325)):
#0  g_mutex_unlock (mutex=0x7fe740000990) at gthread-posix.c:1348
#1  0x0000003cf16493e0 in g_main_context_prepare (context=context@entry=0x7fe740000990, priority=priority@entry=0x7fe74bbaeb70) at gmain.c:3475
#2  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7fe740000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe740000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe74bbaeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x2404be0) at thread/qthread.cpp:503
#7  0x00007fe75116a9f5 in QQuickXmlQueryEngine::run (this=0x2404be0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/imports/xmllistmodel/qqmlxmllistmodel.cpp:317
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x2404be0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe74bbaf700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fe74a95b700 (LWP 2327)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fe73801d8a0, timeout=<optimized out>, context=0x7fe73800ca70) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7fe73800ca70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe73800ca70, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe738017560, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe74a95ac50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0xede490) at thread/qthread.cpp:503
#7  0x0000003c50cf6616 in QQuickPixmapReader::run (this=0xede490) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/util/qquickpixmapcache.cpp:754
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0xede490) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe74a95b700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fe74a15a700 (LWP 2356)):
#0  0x0000003ceeef72fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003cf1649dbc in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fe73c00e0c0, timeout=<optimized out>, context=0x7fe73c00d010) at gmain.c:4103
#2  g_main_context_iterate (context=context@entry=0x7fe73c00d010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe73c00d010, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe73c003eb0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe74a159ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x3a47aa0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x3a47aa0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x3a47aa0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe74a15a700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fe736205700 (LWP 2364)):
#0  g_mutex_lock (mutex=mutex@entry=0x7fe730000990) at gthread-posix.c:1336
#1  0x0000003cf164980c in g_main_context_check (context=context@entry=0x7fe730000990, max_priority=2147483647, fds=fds@entry=0x7fe730002e70, n_fds=n_fds@entry=1) at gmain.c:3651
#2  0x0000003cf1649d60 in g_main_context_iterate (context=context@entry=0x7fe730000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe730000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe736204ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x41be330) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x41be330) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x41be330) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe736205700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fe72fd87700 (LWP 2368)):
#0  0x0000003cf1649570 in g_main_context_query (context=context@entry=0x7fe728000990, max_priority=2147483647, timeout=timeout@entry=0x7fe72fd86b54, fds=fds@entry=0x7fe7280048c0, n_fds=n_fds@entry=1) at gmain.c:3507
#1  0x0000003cf1649d37 in g_main_context_iterate (context=context@entry=0x7fe728000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3790
#2  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe728000990, may_block=may_block@entry=1) at gmain.c:3869
#3  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe72fd86c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x0000003c42c9d5a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00000033ab622397 in KCupsConnection::run() () from /lib64/libkcupslib.so
#7  0x0000003c42ca254e in QThreadPrivate::start (arg=0x44dbfc0) at thread/qthread_unix.cpp:331
#8  0x0000003cef607555 in start_thread (arg=0x7fe72fd87700) at pthread_create.c:333
#9  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe72e7bb700 (LWP 2373)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7fe720000990) at gthread-posix.c:1336
#1  0x0000003cf1649369 in g_main_context_prepare (context=context@entry=0x7fe720000990, priority=priority@entry=0x7fe72e7bab70) at gmain.c:3412
#2  0x0000003cf1649ceb in g_main_context_iterate (context=context@entry=0x7fe720000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe720000990, may_block=may_block@entry=1) at gmain.c:3869
#4  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe72e7baca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x4827df0) at thread/qthread.cpp:503
#7  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x4827df0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x0000003c42ca254e in QThreadPrivate::start (arg=0x4827df0) at thread/qthread_unix.cpp:331
#9  0x0000003cef607555 in start_thread (arg=0x7fe72e7bb700) at pthread_create.c:333
#10 0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe72d6b7700 (LWP 2374)):
#0  0x0000003cf168eec9 in g_mutex_lock (mutex=mutex@entry=0x7fe724000990) at gthread-posix.c:1336
#1  0x0000003cf1649cc0 in g_main_context_iterate (context=context@entry=0x7fe724000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3775
#2  0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe724000990, may_block=may_block@entry=1) at gmain.c:3869
#3  0x0000003c42ed9dab in QEventDispatcherGlib::processEvents (this=0x7fe7240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7fe72d6b6ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x0000003c42c9d5a4 in QThread::exec (this=this@entry=0x4921490) at thread/qthread.cpp:503
#6  0x0000003c506d9245 in QQmlThreadPrivate::run (this=0x4921490) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x0000003c42ca254e in QThreadPrivate::start (arg=0x4921490) at thread/qthread_unix.cpp:331
#8  0x0000003cef607555 in start_thread (arg=0x7fe72d6b7700) at pthread_create.c:333
#9  0x0000003ceef02b9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe80ec27900 (LWP 2094)):
[KCrash Handler]
#6  brw_meta_fast_clear (brw=brw@entry=0x25ec8a8, fb=fb@entry=0x56dc590, buffers=buffers@entry=34, partial_clear=partial_clear@entry=false) at brw_meta_fast_clear.c:446
#7  0x00007fe7ff4628dc in brw_clear (ctx=0x25ec8a8, mask=34) at brw_clear.c:246
#8  0x0000003c50d263fa in QSGBatchRenderer::Renderer::renderBatches (this=this@entry=0x4779dd0) 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=0x4779dd0, 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=0x10d2670, renderer=0x4779dd0, 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=0x3f73a30, 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=0x10c2960, window=0x3f51260) at /usr/src/debug/qtdeclarative-opensource-src-5.5.0/src/quick/scenegraph/qsgrenderloop.cpp:375
#15 0x0000003c50d64121 in QSGGuiThreadRenderLoop::event (this=0x10c2960, 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=0xee7070, receiver=receiver@entry=0x10c2960, e=e@entry=0x7ffda305b650) at kernel/qapplication.cpp:3717
#17 0x0000003c45559976 in QApplication::notify (this=0x7ffda305ba10, receiver=0x10c2960, e=0x7ffda305b650) at kernel/qapplication.cpp:3500
#18 0x0000003c42e8361b in QCoreApplication::notifyInternal (this=0x7ffda305ba10, receiver=0x10c2960, event=event@entry=0x7ffda305b650) at kernel/qcoreapplication.cpp:965
#19 0x0000003c42ed8bad in sendEvent (event=0x7ffda305b650, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:224
#20 QTimerInfoList::activateTimers (this=0xedce10) 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=0x7fe8000016f0) at gmain.c:3122
#23 g_main_context_dispatch (context=context@entry=0x7fe8000016f0) at gmain.c:3737
#24 0x0000003cf1649e20 in g_main_context_iterate (context=context@entry=0x7fe8000016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#25 0x0000003cf1649ecc in g_main_context_iteration (context=0x7fe8000016f0, may_block=may_block@entry=1) at gmain.c:3869
#26 0x0000003c42ed9d8f in QEventDispatcherGlib::processEvents (this=0xf2aa50, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x0000003c42e80daa in QEventLoop::exec (this=this@entry=0x7ffda305b890, 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=2, argv=<optimized out>) at ../../shell/main.cpp:154

Possible duplicates by query: bug 352300, bug 352257, bug 352244, bug 352231, bug 352212.

Reported using DrKonqi