Application: plasmashell (5.2.90)

Qt Version: 5.4.0
Operating System: Linux 3.16.0-31-generic x86_64
Distribution: Ubuntu 14.10

-- Information about the crash:
Closing a window makes plasmashell crash most of the time. cf. bug 342763.

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 0x7ffedbdf1880 (LWP 9370))]

Thread 29 (Thread 0x7ffec7ce8700 (LWP 9372)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed913ab72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ffed913c64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ffeca02cf79 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed62690a5 in start_thread (arg=0x7ffec7ce8700) at pthread_create.c:309
#6  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (Thread 0x7ffebb0fa700 (LWP 9378)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352b272 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffec59beef6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffed3551925 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed62690a5 in start_thread (arg=0x7ffebb0fa700) at pthread_create.c:309
#6  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (Thread 0x7ffeba8f9700 (LWP 9381)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352b039 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed3551925 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed62690a5 in start_thread (arg=0x7ffeba8f9700) at pthread_create.c:309
#6  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7ffeb9b4c700 (LWP 9384)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffeb9b4c700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (Thread 0x7ffea88a3700 (LWP 9387)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffea88a3700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7ffea212f700 (LWP 9391)):
#0  0x00007ffed356f384 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352a872 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffea212f700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7ffea106e700 (LWP 9392)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffea106e700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7ffe93f6f700 (LWP 9393)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffe93f6f700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7ffe92e7e700 (LWP 9394)):
#0  0x00007ffed356f369 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed3529e50 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352ad95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffe92e7e700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7ffe91d8d700 (LWP 9395)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffe91d8d700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7ffe90c9c700 (LWP 9396)):
#0  0x00007ffed352a4b4 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352ae0b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffe90c9c700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7ffe837ff700 (LWP 9397)):
#0  0x00007ffed72e7bf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007ffed352a8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffe837ff700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7ffe827fe700 (LWP 9398)):
#0  0x00007ffed356f369 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352a479 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352ae0b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffe827fe700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7ffe811c6700 (LWP 9399)):
#0  0x00007ffed356f369 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352a479 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352ae0b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffe811c6700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7ffe6fdf7700 (LWP 9400)):
#0  0x00007ffed69cc55d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed356ded0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352a96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ffed62690a5 in start_thread (arg=0x7ffe6fdf7700) at pthread_create.c:309
#11 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7ffe6edf6700 (LWP 9401)):
#0  0x00007ffed356f384 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352aa4a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352af48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffe6edf6700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7ffe6ddf5700 (LWP 9402)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffedaf47334 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007ffedaf47379 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007ffed62690a5 in start_thread (arg=0x7ffe6ddf5700) at pthread_create.c:309
#4  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7ffe6d4f4700 (LWP 9403)):
#0  0x00007ffed69cc55d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed356ded0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352a96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ffed62690a5 in start_thread (arg=0x7ffe6d4f4700) at pthread_create.c:309
#11 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7ffddffff700 (LWP 9404)):
#0  0x00007ffed352a750 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffddffff700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7ffddeffe700 (LWP 9405)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007ffed69cc552 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007ffed356ded0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352a96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ffed62690a5 in start_thread (arg=0x7ffddeffe700) at pthread_create.c:309
#12 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7ffdd670a700 (LWP 9406)):
#0  0x00007ffed69cc55d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed356ded0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352a96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ffed62690a5 in start_thread (arg=0x7ffdd670a700) at pthread_create.c:309
#11 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7ffdd5617700 (LWP 9407)):
#0  0x00007ffed3529e30 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352ad95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffdd5617700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7ffdcbfff700 (LWP 9408)):
#0  0x00007ffed352a6c1 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352ae5a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffdcbfff700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7ffdcaffe700 (LWP 9409)):
#0  0x00007ffed69cc55d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed356ded0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352a96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352ae83 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ffed62690a5 in start_thread (arg=0x7ffdcaffe700) at pthread_create.c:309
#11 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7ffdc9ffd700 (LWP 9410)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffdc9ffd700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7ffdb72a5700 (LWP 9411)):
#0  0x00007ffed356f384 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352aa4a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352af48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffdc8330be7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffdb72a5700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7ffdb4b01700 (LWP 9412)):
#0  0x00007ffed3527f27 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffed352a40b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352ae0b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ffed62690a5 in start_thread (arg=0x7ffdb4b01700) at pthread_create.c:309
#10 0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7ffdae7ff700 (LWP 9413)):
#0  0x00007ffed69d084d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffed352aee4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffed72e828c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffed7053074 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffed8db42c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed7057e4e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffed62690a5 in start_thread (arg=0x7ffdae7ff700) at pthread_create.c:309
#9  0x00007ffed69dacfd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffedbdf1880 (LWP 9370)):
[KCrash Handler]
#5  0x00007ffed8b99a39 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007ffed8df9688 in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffed8dff161 in QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffed8e2045f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffed8e20e8f in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007ffed72c0772 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ffed733ba36 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ffed72622f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007ffed72c0659 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ffed733b94c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007ffdd797b973 in TaskManager::TasksModelPrivate::itemChanged (this=0x462a0c0, changes=...) at ../../libtaskmanager/tasksmodel.cpp:515
#16 0x00007ffdd797c327 in TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fff5b41b8d0) at ./moc_tasksmodel.cpp:213
#17 0x00007ffed72c0659 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007ffdd7984248 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at moc_abstractgroupableitem.cpp:222
#19 0x00007ffdd798547b in TaskManager::AbstractGroupableItem::qt_static_metacall (_o=0x5dc0930, _c=27, _id=98720704, _a=0x1b) at moc_abstractgroupableitem.cpp:134
#20 0x00007ffed72c0659 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007ffdd7984438 in TaskManager::Task::changed (this=this@entry=0x4620940, _t1=...) at moc_task.cpp:354
#22 0x00007ffdd796525a in TaskManager::Task::setActive (this=0x4620940, a=<optimized out>) at ../../libtaskmanager/task.cpp:178
#23 0x00007ffdd7977a3c in TaskManager::TaskManager::activeWindowChanged (this=0x7ffdd7ba1fa0 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=<optimized out>) at ../../libtaskmanager/taskmanager.cpp:412
#24 0x00007ffdd7979d29 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:175
#25 0x00007ffed72c0659 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007ffedb799752 in KWindowSystem::activeWindowChanged (this=<optimized out>, _t1=98566165) at moc_kwindowsystem.cpp:302
#27 0x00007ffedb7825be in NETEventFilter::nativeEventFilter (this=0x4579b40, ev=0x7ffec0003700) at ../../src/kwindowsystem_x11.cpp:207
#28 0x00007ffed728da50 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007ffeca02be6d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#30 0x00007ffeca02d39b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#31 0x00007ffed72c17ba in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007ffed7b8fd3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007ffed7b95330 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007ffed729103b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007ffed729307b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007ffed72e7e83 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007ffed352ac5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007ffed352af48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007ffed352affc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007ffed72e8277 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007ffed728e8d2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007ffed729637c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x000000000043047b in main (argc=4, argv=<optimized out>) at ../../shell/main.cpp:158

Possible duplicates by query: bug 342975, bug 342763, bug 341219.

Reported using DrKonqi