Bug 385131

Summary: Plasmashell crashed after clicking another virtual destop (workspace)
Product: [Plasma] plasmashell Reporter: mailfor.marcus.claw+3094182590
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.8.7   
Target Milestone: 1.0   
Platform: Debian testing   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description mailfor.marcus.claw+3094182590 2017-09-27 09:14:40 UTC 
Application: plasmashell (5.8.7)

Qt Version: 5.9.1
Frameworks Version: 5.37.0
Operating System: Linux 4.12.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
Plasmashell crashed after clicking another virtual destop (workspace)

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 0x7f2958a18940 (LWP 3464))]

Thread 21 (Thread 0x7f2845ff2700 (LWP 16634)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f2845ff2700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 20 (Thread 0x7f284db12700 (LWP 11083)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f284db12700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 19 (Thread 0x7f2861dee700 (LWP 22589)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f2861dee700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 18 (Thread 0x7f286d8e7700 (LWP 10621)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f286d8e7700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 17 (Thread 0x7f2863bff700 (LWP 10525)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f2863bff700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 16 (Thread 0x7f2862bfd700 (LWP 4102)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f2862bfd700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 15 (Thread 0x7f28633fe700 (LWP 4056)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f28633fe700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 14 (Thread 0x7f286ced2700 (LWP 3960)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f286ced2700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7f287c935700 (LWP 3881)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f287c935700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7f287d894700 (LWP 3880)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f287d894700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7f287e622700 (LWP 3878)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f287e622700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7f287f722700 (LWP 3871)):
#0  0x00007fffb1946979 in  ()
#1  0x00007fffb1946c2a in clock_gettime ()
#2  0x00007f2951fa8956 in __GI___clock_gettime (clock_id=1, tp=0x7f287f7219f0) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f29528b4d31 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f29528b3569 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f29528b3b45 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f29528b518e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f294cd25658 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f294cd2604b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f29528b541b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f295267a3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f2951a92494 in start_thread (arg=0x7f287f722700) at pthread_create.c:333
#15 0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7f2884a42700 (LWP 3870)):
#0  0x00007f2951f9266d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f294cd26119 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f29528b541b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f295267a3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f28873ec347 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2951a92494 in start_thread (arg=0x7f2884a42700) at pthread_create.c:333
#9  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7f2897fff700 (LWP 3777)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f2897fff700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7f289d6e2700 (LWP 3769)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f29526806cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f295668fac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f295668ff2a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2951a92494 in start_thread (arg=0x7f289d6e2700) at pthread_create.c:333
#6  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7f289f0ca700 (LWP 3745)):
#0  0x00007f294cd6b569 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f294cd26020 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f29528b541b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f295267a3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2956610846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2951a92494 in start_thread (arg=0x7f289f0ca700) at pthread_create.c:333
#9  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7f2930b32700 (LWP 3727)):
#0  0x00007f2951a9815f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f295830a634 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f295830a679 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f2951a92494 in start_thread (arg=0x7f2930b32700) at pthread_create.c:333
#4  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7f2932d8a700 (LWP 3651)):
#0  0x00007f294cd6b569 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f294cd25663 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f294cd2604b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f29528b541b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f295267a3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2955a64de5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2951a92494 in start_thread (arg=0x7f2932d8a700) at pthread_create.c:333
#10 0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f2939152700 (LWP 3556)):
#0  0x00007f2951f9266d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f294cd26119 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f29528b541b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f295267a3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2955a64de5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2951a92494 in start_thread (arg=0x7f2939152700) at pthread_create.c:333
#9  0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f293abaa700 (LWP 3523)):
#0  0x00007f2952676b6f in QMutex::unlock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f29528b534f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f294cd25658 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f294cd2604b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f29528b541b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f295267a3ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f29534a0e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f295267f29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f2951a92494 in start_thread (arg=0x7f293abaa700) at pthread_create.c:333
#11 0x00007f2951f9babf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f2958a18940 (LWP 3464)):
[KCrash Handler]
#6  0x00007f295281f6f9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f295281fa5c in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f29528262f9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f295288b865 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f29527f82fe in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f29527ff8fb in QAbstractItemModel::endRemoveRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f289c18e408 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#13 0x00007f289c191409 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#14 0x00007f295288b865 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f29527f827e in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f29527ff1db in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f2952823ae5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f2952824042 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f29528243b9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f2952824c1a in QSortFilterProxyModel::invalidateFilter() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f289c18a485 in TaskManager::TaskFilterProxyModel::setVirtualDesktop(unsigned int) () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#22 0x00007f289c1b26e1 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#23 0x00007f2955a4f13a in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f2955a4f55e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f2955a4c323 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f2955a22f63 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f29559c1f39 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f295288b09f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f295288b97f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f295557a7de in KWindowSystem::currentDesktopChanged(int) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#31 0x00007f2939574bc4 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#32 0x00007f295285994f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f2942a4e480 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#34 0x00007f2942a4f10c in QXcbConnection::processXcbEvents() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#35 0x00007f295288c3d2 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f295386f46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f2953876d34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f295285cd68 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f295285f4dd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f29528b5dd3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f294cd25f67 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f294cd261a0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f294cd2622c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f29528b53ff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f295285adba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007f2952863d24 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x000055a18920c2df in  ()
#48 0x00007f2951ed32e1 in __libc_start_main (main=0x55a18920b780, argc=2, argv=0x7fffb18f8ad8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb18f8ac8) at ../csu/libc-start.c:291
#49 0x000055a18920c65a in _start ()

Reported using DrKonqi
Comment 1 David Edmundson 2017-09-27 09:54:06 UTC 

*** This bug has been marked as a duplicate of bug 381317 ***