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:
when closing an application window, more often than not plasmashell crashes. in the current case it is chromium, but it happens with other windows as well

The crash can be reproduced sometimes.

-- 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 0x7f9a593c3940 (LWP 2183))]

Thread 23 (Thread 0x7f9a44c46700 (LWP 2185)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a58021252 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9a58022ddf in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9a467962f9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x1deecf0) at thread/qthread_unix.cpp:337
#5  0x00007f9a536290a4 in start_thread (arg=0x7f9a44c46700) at pthread_create.c:309
#6  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7f9a3e911700 (LWP 2207)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a3e910c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x1f07e80) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f9a3e911700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7f9a35602700 (LWP 2217)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9a3c61af3b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f9a3c61a5b7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007f9a536290a4 in start_thread (arg=0x7f9a35602700) at pthread_create.c:309
#4  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7f9a33a80700 (LWP 2220)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a33a7fc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x212dc90) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f9a33a80700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7f9a31367700 (LWP 2226)):
#0  0x00007f9a50c22710 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9a50bdd409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a31366c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x221d360) at thread/qthread_unix.cpp:337
#9  0x00007f9a536290a4 in start_thread (arg=0x7f9a31367700) at pthread_create.c:309
#10 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7f9a23fff700 (LWP 2227)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a23ffec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x231cda0) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f9a23fff700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7f9a22ffe700 (LWP 2231)):
#0  0x00007ffd2e7e6c55 in ?? ()
#1  0x00007f9a5489b3ab in QCoreApplication::notifyInternal (this=0xabee7bb20e769, receiver=0x1, event=0x7f9a22ffd9a0) at kernel/qcoreapplication.cpp:935
#2  0x000000000afa3c16 in ?? ()
#3  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f9a21ffd700 (LWP 2238)):
#0  0x00007f9a5402c60d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50c21280 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bdd96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bdde60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a21ffcc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x25218d0) at thread/qthread_unix.cpp:337
#10 0x00007f9a536290a4 in start_thread (arg=0x7f9a21ffd700) at pthread_create.c:309
#11 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7f9a20f8c700 (LWP 2243)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a20f8bc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x26302f0) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f9a20f8c700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f9a137ff700 (LWP 2246)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a137fec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2736140) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f9a137ff700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f9a1273e700 (LWP 2247)):
#0  0x00007f9a50c22734 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9a50bdd8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bdde60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a1273dc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x282af10) at thread/qthread_unix.cpp:337
#9  0x00007f9a536290a4 in start_thread (arg=0x7f9a1273e700) at pthread_create.c:309
#10 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f9a1163d700 (LWP 2262)):
#0  0x00007f9a50c22734 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9a50bdd8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bdde60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f9a040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9a1163cc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2965760) at thread/qthread_unix.cpp:337
#9  0x00007f9a536290a4 in start_thread (arg=0x7f9a1163d700) at pthread_create.c:309
#10 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f99fffff700 (LWP 2277)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f99ffffec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2a422b0) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f99fffff700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f99feffe700 (LWP 2280)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f99feffdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2b40860) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f99feffe700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f99fdffd700 (LWP 2281)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9a58e28144 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f9a58e28189 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f9a536290a4 in start_thread (arg=0x7f99fdffd700) at pthread_create.c:309
#4  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f99fd7fc700 (LWP 2282)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f99fd7fbc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2c489b0) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f99fd7fc700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f996e5eb700 (LWP 2291)):
#0  0x00007f9a50c22719 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9a50bdd409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f996e5eac60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2e7d080) at thread/qthread_unix.cpp:337
#9  0x00007f9a536290a4 in start_thread (arg=0x7f996e5eb700) at pthread_create.c:309
#10 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f996caa8700 (LWP 2292)):
#0  0x00007f9a5402c60d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50c21280 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bdd96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bdde60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f996caa7c10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f9a5734dc26 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2e68400) at thread/qthread_unix.cpp:337
#10 0x00007f9a536290a4 in start_thread (arg=0x7f996caa8700) at pthread_create.c:309
#11 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f996702b700 (LWP 2323)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f995c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f996702ac60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x2fb66e0) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f996702b700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f995a7af700 (LWP 2466)):
#0  __libc_disable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f9a54030549 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f995a7aec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x3b24cc0) at thread/qthread_unix.cpp:337
#9  0x00007f9a536290a4 in start_thread (arg=0x7f995a7af700) at pthread_create.c:309
#10 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f9958cd1700 (LWP 2467)):
#0  0x00007f9a5939fb08 in __tls_get_addr (ti=0x7f9a54ada708) at dl-tls.c:775
#1  0x00007f9a546aa782 in get_thread_data () at thread/qthread_unix.cpp:181
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#3  0x00007f9a548f38aa in postEventSourcePrepare (s=0x7f994c0012d0, timeout=0x7f9958cd0a94) at kernel/qeventdispatcher_glib.cpp:247
#4  0x00007f9a50bdd3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9a50bddde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f994c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f9958cd0c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#10 0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f9a546ab87e in QThreadPrivate::start (arg=0x3320a10) at thread/qthread_unix.cpp:337
#12 0x00007f9a536290a4 in start_thread (arg=0x7f9958cd1700) at pthread_create.c:309
#13 0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f99519fe700 (LWP 2479)):
#0  0x00007f9a5403053d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9a50bddebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x7f99480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7f99519fdc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f9a546a68b4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f9a56ee2055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a546ab87e in QThreadPrivate::start (arg=0x487fc70) at thread/qthread_unix.cpp:337
#8  0x00007f9a536290a4 in start_thread (arg=0x7f99519fe700) at pthread_create.c:309
#9  0x00007f9a5403907d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f9a593c3940 (LWP 2183)):
[KCrash Handler]
#6  0x00007f9a56ccc2c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9a56f26cfa in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9a56f4d2fc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9a56f4d6d5 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f9a548cc23a in QMetaObject::activate (sender=0x36a1450, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd2e74c4e0) at kernel/qobject.cpp:3732
#11 0x00007f9a548cc7a7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f9a54ad8a80 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd2e74c4e0) at kernel/qobject.cpp:3582
#12 0x00007f9a5494983c in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:393
#13 0x00007f996418edb4 in TaskManager::TasksModelPrivate::itemChanged (this=0x36a0a50, changes=...) at ../../libtaskmanager/tasksmodel.cpp:521
#14 0x00007f996418f7a7 in TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffd2e74c6d0) at ./moc_tasksmodel.cpp:213
#15 0x00007f9a548cc12e in QMetaObject::activate (sender=0x474aea0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd2e74c6d0) at kernel/qobject.cpp:3717
#16 0x00007f9a548cc7a7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f99643b4960 <TaskManager::AbstractGroupableItem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd2e74c6d0) at kernel/qobject.cpp:3582
#17 0x00007f9964197748 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at moc_abstractgroupableitem.cpp:222
#18 0x00007f9964198b7b in TaskManager::AbstractGroupableItem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at moc_abstractgroupableitem.cpp:134
#19 0x00007f9a548cc12e in QMetaObject::activate (sender=sender@entry=0x369cd30, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd2e74c860) at kernel/qobject.cpp:3717
#20 0x00007f9a548cc7a7 in QMetaObject::activate (sender=sender@entry=0x369cd30, m=m@entry=0x7f99643b4660 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd2e74c860) at kernel/qobject.cpp:3582
#21 0x00007f9964197938 in TaskManager::Task::changed (this=this@entry=0x369cd30, _t1=...) at moc_task.cpp:354
#22 0x00007f99641781ea in TaskManager::Task::setActive (this=this@entry=0x369cd30, a=a@entry=true) at ../../libtaskmanager/task.cpp:178
#23 0x00007f996418ad9c in TaskManager::TaskManager::activeWindowChanged (this=0x7f99643b6830 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=<optimized out>) at ../../libtaskmanager/taskmanager.cpp:412
#24 0x00007f996418d119 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:175
#25 0x00007f9a548cc12e in QMetaObject::activate (sender=sender@entry=0x7f9a56c23170 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffd2e74ca50) at kernel/qobject.cpp:3717
#26 0x00007f9a548cc7a7 in QMetaObject::activate (sender=sender@entry=0x7f9a56c23170 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, m=m@entry=0x7f9a56c21b00 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffd2e74ca50) at kernel/qobject.cpp:3582
#27 0x00007f9a56a11832 in KWindowSystem::activeWindowChanged (this=this@entry=0x7f9a56c23170 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, _t1=44040199) at moc_kwindowsystem.cpp:302
#28 0x00007f9a569fa506 in NETEventFilter::nativeEventFilter (this=0x368edb0, ev=0x7f9a40003950) at ../../src/kwindowsystem_x11.cpp:208
#29 0x00007f9a54897c90 in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=0x7f9a40003950, result=0x7ffd2e74cbb8) at kernel/qabstracteventdispatcher.cpp:460
#30 0x00007f9a46797c1e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#31 0x00007f9a46798c73 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#32 0x00007f9a548cce8a in QObject::event (this=0x1ddf020, e=<optimized out>) at kernel/qobject.cpp:1245
#33 0x00007f9a55384b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f9a5538a230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f9a5489b3ab in QCoreApplication::notifyInternal (this=0x7ffd2e74d440, receiver=0x1ddf020, event=event@entry=0x7f9a40003980) at kernel/qcoreapplication.cpp:935
#36 0x00007f9a5489d41b in sendEvent (event=0x7f9a40003980, 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=0x1dcabb0) at kernel/qcoreapplication.cpp:1552
#38 0x00007f9a5489da18 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#39 0x00007f9a548f3f33 in postEventSourceDispatch (s=0x1e18590) at kernel/qeventdispatcher_glib.cpp:271
#40 0x00007f9a50bddc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f9a50bddf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f9a50bddfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f9a548f435c in QEventDispatcherGlib::processEvents (this=0x1e25bf0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#44 0x00007f9a54898b62 in QEventLoop::exec (this=this@entry=0x7ffd2e74d2c0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#45 0x00007f9a548a07ac in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#46 0x0000000000430a43 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:154

Possible duplicates by query: bug 350797, bug 350618, bug 350537, bug 350204, bug 350020.

Reported using DrKonqi