Application: plasmashell (5.3.2)

Qt Version: 5.4.2
Operating System: Linux 4.1.0-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

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

closing chromium

waht exactly is this UI exptecting me to do except typing stuff until the minimum is reached?

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fed6d77d940 (LWP 2122))]

Thread 23 (Thread 0x7fed5902e700 (LWP 2124)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed6c3df252 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fed6c3e0ddf in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fed5ab7e2f9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007fed68a8387e in QThreadPrivate::start (arg=0x1bc6cc0) at thread/qthread_unix.cpp:337
#5  0x00007fed67a010a4 in start_thread (arg=0x7fed5902e700) at pthread_create.c:309
#6  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7fed52bc1700 (LWP 2149)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed4c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed52bc0c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x1cb7d40) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fed52bc1700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7fed48e63700 (LWP 2160)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fed4ba0af3b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fed4ba0a5b7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fed67a010a4 in start_thread (arg=0x7fed48e63700) at pthread_create.c:309
#4  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7fed473f0700 (LWP 2163)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed473efc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x1f17320) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fed473f0700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7fed44cd8700 (LWP 2209)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed44cd7c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x20048b0) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fed44cd8700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7fed377ff700 (LWP 2211)):
#0  0x00007fed651c7fa7 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#2  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed377fec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#3  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#4  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#5  0x00007fed68a8387e in QThreadPrivate::start (arg=0x20f86b0) at thread/qthread_unix.cpp:337
#6  0x00007fed67a010a4 in start_thread (arg=0x7fed377ff700) at pthread_create.c:309
#7  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7fed367fe700 (LWP 2212)):
#0  0x00007fed6520c719 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed651c6f38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed367fdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fed68a8387e in QThreadPrivate::start (arg=0x220d660) at thread/qthread_unix.cpp:337
#9  0x00007fed67a010a4 in start_thread (arg=0x7fed367fe700) at pthread_create.c:309
#10 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7fed357fd700 (LWP 2215)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed357fcc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x230f4b0) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fed357fd700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7fed27fff700 (LWP 2216)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed27ffec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x2413220) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fed27fff700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7fed26ffe700 (LWP 2221)):
#0  0x00007fed68a7b73a in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x251c538: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x251c538: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x251c538, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=0x251c538, this@entry=0x1) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x251c538) at thread/qmutex.cpp:212
#5  0x00007fed68ccb8cb in QMutexLocker (m=0x251c538, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x251c510) at ../../include/QtCore/5.4.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (s=0x7fed180012d0, timeout=0x7fed26ffda94) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007fed651c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fed651c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed26ffdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007fed68a8387e in QThreadPrivate::start (arg=0x251c360) at thread/qthread_unix.cpp:337
#16 0x00007fed67a010a4 in start_thread (arg=0x7fed26ffe700) at pthread_create.c:309
#17 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7fed25ffd700 (LWP 2222)):
#0  0x00007fed6520c734 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed651c7fd6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed25ffcc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fed68a8387e in QThreadPrivate::start (arg=0x2610700) at thread/qthread_unix.cpp:337
#7  0x00007fed67a010a4 in start_thread (arg=0x7fed25ffd700) at pthread_create.c:309
#8  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7fed24fac700 (LWP 2225)):
#0  0x00007fed684045fd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed6520b280 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed24fabc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fed68a8387e in QThreadPrivate::start (arg=0x27311b0) at thread/qthread_unix.cpp:337
#10 0x00007fed67a010a4 in start_thread (arg=0x7fed24fac700) at pthread_create.c:309
#11 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7fed177ff700 (LWP 2226)):
#0  0x00007fed651c4ef6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed651c739b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed177fec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fed68a8387e in QThreadPrivate::start (arg=0x2825c40) at thread/qthread_unix.cpp:337
#9  0x00007fed67a010a4 in start_thread (arg=0x7fed177ff700) at pthread_create.c:309
#10 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7fed167fe700 (LWP 2227)):
#0  0x00007fed684045fd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed6520b280 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed167fdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fed68a8387e in QThreadPrivate::start (arg=0x1c9ef40) at thread/qthread_unix.cpp:337
#10 0x00007fed67a010a4 in start_thread (arg=0x7fed167fe700) at pthread_create.c:309
#11 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fed157fd700 (LWP 2228)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fed6d1e4144 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fed6d1e4189 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fed67a010a4 in start_thread (arg=0x7fed157fd700) at pthread_create.c:309
#4  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fed14ffc700 (LWP 2229)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fed080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fed14ffbc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x24fad80) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fed14ffc700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fec81de5700 (LWP 2348)):
#0  0x00007fed68ccb729 in timerSourcePrepareHelper (timeout=0x7fec81de4a94, src=0x7fec7c002a70) at kernel/qeventdispatcher_glib.cpp:127
#1  timerSourcePrepare (source=0x7fec7c002a70, timeout=0x7fec81de4a94) at kernel/qeventdispatcher_glib.cpp:160
#2  0x00007fed651c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fec7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fec81de4c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fed68a8387e in QThreadPrivate::start (arg=0x2c62320) at thread/qthread_unix.cpp:337
#10 0x00007fed67a010a4 in start_thread (arg=0x7fec81de5700) at pthread_create.c:309
#11 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fec7bfff700 (LWP 2349)):
#0  0x00007fed6520c719 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed651c7a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fec740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fec7bffec10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fed6b713c26 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fed68a8387e in QThreadPrivate::start (arg=0x2c4ce70) at thread/qthread_unix.cpp:337
#9  0x00007fed67a010a4 in start_thread (arg=0x7fec7bfff700) at pthread_create.c:309
#10 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fec7a82a700 (LWP 2359)):
#0  0x00007fed6520c719 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed651c78cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fec6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fec7a829c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fed68a8387e in QThreadPrivate::start (arg=0x2e531f0) at thread/qthread_unix.cpp:337
#9  0x00007fed67a010a4 in start_thread (arg=0x7fec7a82a700) at pthread_create.c:309
#10 0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fec720e4700 (LWP 2415)):
#0  0x00007fed6520c734 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fed651c7ddb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fec680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fec720e3c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x3933260) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fec720e4700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fec67fff700 (LWP 2416)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fec600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fec67ffec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x3188050) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fec67fff700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fec65135700 (LWP 2452)):
#0  0x00007fed6840852d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fed651c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed68ccc35c in QEventDispatcherGlib::processEvents (this=0x7fec580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7fec65134c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fed68a7e8b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fed6b2a8055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed68a8387e in QThreadPrivate::start (arg=0x4696970) at thread/qthread_unix.cpp:337
#8  0x00007fed67a010a4 in start_thread (arg=0x7fec65135700) at pthread_create.c:309
#9  0x00007fed6841106d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fed6d77d940 (LWP 2122)):
[KCrash Handler]
#6  0x00007fed6b0922c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fed6b2eccfa in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fed6b3132fc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fed6b3136d5 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fed68ca423a in QMetaObject::activate (sender=0x34ac240, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe64684a20) at kernel/qobject.cpp:3732
#11 0x00007fed68ca47a7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fed68eb0a80 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe64684a20) at kernel/qobject.cpp:3582
#12 0x00007fed68d2183c in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:393
#13 0x00007fec73bc9c64 in TaskManager::TasksModelPrivate::itemChanged (this=0x34ab740, changes=...) at ../../libtaskmanager/tasksmodel.cpp:521
#14 0x00007fec73bcaed7 in TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffe64684c10) at ./moc_tasksmodel.cpp:213
#15 0x00007fed68ca412e in QMetaObject::activate (sender=0x455d7a0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe64684c10) at kernel/qobject.cpp:3717
#16 0x00007fed68ca47a7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fec73def960 <TaskManager::AbstractGroupableItem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe64684c10) at kernel/qobject.cpp:3582
#17 0x00007fec73bd2e38 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at moc_abstractgroupableitem.cpp:222
#18 0x00007fec73bc02b0 in filterChange (change=..., this=<optimized out>) at ../../libtaskmanager/taskitem.cpp:73
#19 TaskManager::TaskItem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskitem.cpp:146
#20 0x00007fed68ca412e in QMetaObject::activate (sender=sender@entry=0x34a9710, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe64684d60) at kernel/qobject.cpp:3717
#21 0x00007fed68ca47a7 in QMetaObject::activate (sender=sender@entry=0x34a9710, m=m@entry=0x7fec73def660 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe64684d60) at kernel/qobject.cpp:3582
#22 0x00007fec73bd3028 in TaskManager::Task::changed (this=this@entry=0x34a9710, _t1=...) at moc_task.cpp:354
#23 0x00007fec73bb26fb in TaskManager::Task::setActive (this=this@entry=0x34a9710, a=a@entry=true) at ../../libtaskmanager/task.cpp:178
#24 0x00007fec73bc60bc in TaskManager::TaskManager::activeWindowChanged (this=0x7fec73df1850 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=<optimized out>) at ../../libtaskmanager/taskmanager.cpp:412
#25 0x00007fec73bc8377 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:175
#26 0x00007fed68ca412e in QMetaObject::activate (sender=0x7fed6afe8ee0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffe64684f50) at kernel/qobject.cpp:3717
#27 0x00007fed6add9c32 in KWindowSystem::activeWindowChanged(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#28 0x00007fed50b011e1 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#29 0x00007fed68c6fc90 in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=0x7fed540044a0, result=0x7ffe646850b8) at kernel/qabstracteventdispatcher.cpp:460
#30 0x00007fed5ab7fc1e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#31 0x00007fed5ab80c73 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#32 0x00007fed68ca4e8a in QObject::event (this=0x1bc60f0, e=<optimized out>) at kernel/qobject.cpp:1245
#33 0x00007fed6975bb8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fed69761230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fed68c733ab in QCoreApplication::notifyInternal (this=0x7ffe64685940, receiver=0x1bc60f0, event=event@entry=0x7fed54006320) at kernel/qcoreapplication.cpp:935
#36 0x00007fed68c7541b in sendEvent (event=0x7fed54006320, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1bb1c20) at kernel/qcoreapplication.cpp:1552
#38 0x00007fed68c75a18 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#39 0x00007fed68ccbf33 in postEventSourceDispatch (s=0x1c04060) at kernel/qeventdispatcher_glib.cpp:271
#40 0x00007fed651c7c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fed651c7f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fed651c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fed68ccc347 in QEventDispatcherGlib::processEvents (this=0x1bff8e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#44 0x00007fed68c70b62 in QEventLoop::exec (this=this@entry=0x7ffe646857c0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#45 0x00007fed68c787ac in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#46 0x0000000000430a43 in main ()

Possible duplicates by query: bug 352946, bug 352569, bug 352543, bug 352383, bug 352240.

Reported using DrKonqi