Bug 386739

Summary: Crash when moving Widgets in Desktop
Product: [Plasma] plasmashell Reporter: Dheshan M <dheshan.mail>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: notmart, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.10.5   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Dheshan M 2017-11-11 09:16:41 UTC 
Application: plasmashell (5.10.5)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.0-16-generic x86_64
Distribution: Ubuntu 17.10

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

Moving Network Monitor, trying to get it to dock to the lower right side of the Desktop.

-- 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 0x7f2143bc7900 (LWP 1279))]

Thread 18 (Thread 0x7f20412d7700 (LWP 4350)):
#0  0x00007f213d1e6ffd in __GI___libc_read (fd=53, buf=0x7f20412d6aee, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f2130b2fe41 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f21319099fe in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f213190a470 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f213190a530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f2131918399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f2130b5eed8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#7  0x00007f213ca8b7fc in start_thread (arg=0x7f20412d7700) at pthread_create.c:465
#8  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f20424e0700 (LWP 4349)):
#0  0x00007f2137e635d2 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2137e1db69 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2137e1e110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f213db2b49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f213d8f03ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2140a50f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f213ca8b7fc in start_thread (arg=0x7f20424e0700) at pthread_create.c:465
#10 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f20437fe700 (LWP 3325)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f213ca8b7fc in start_thread (arg=0x7f20437fe700) at pthread_create.c:465
#12 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f2043fff700 (LWP 3324)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f213ca8b7fc in start_thread (arg=0x7f2043fff700) at pthread_create.c:465
#12 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f2058f71700 (LWP 3323)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f213ca8b7fc in start_thread (arg=0x7f2058f71700) at pthread_create.c:465
#20 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f2059772700 (LWP 3322)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f213ca8b7fc in start_thread (arg=0x7f2059772700) at pthread_create.c:465
#22 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f2059f73700 (LWP 3321)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f213ca8b7fc in start_thread (arg=0x7f2059f73700) at pthread_create.c:465
#12 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f205a774700 (LWP 3320)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f213ca8b7fc in start_thread (arg=0x7f205a774700) at pthread_create.c:465
#14 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f205af75700 (LWP 3319)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f213ca8b7fc in start_thread (arg=0x7f205af75700) at pthread_create.c:465
#12 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f20699b5700 (LWP 3318)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f421df1b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55f421df1ac0, cond=0x55f421df1ae8) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x55f421df1ae8, mutex=0x55f421df1ac0) at pthread_cond_wait.c:655
#3  0x00007f213d8f66cb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f207b57a995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f207b57ea18 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f207b57ea72 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f207b579b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f207b57c8db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f213ca8b7fc in start_thread (arg=0x7f20699b5700) at pthread_create.c:465
#12 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f2074bd4700 (LWP 1641)):
#0  0x00007f213d1eb901 in __GI___poll (fds=0x7f20700029e0, nfds=1, timeout=2207859) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2137e1e169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f213db2b49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213d8f03ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f20771ed717 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f213ca8b7fc in start_thread (arg=0x7f2074bd4700) at pthread_create.c:465
#9  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f2088e16700 (LWP 1490)):
#0  0x00007f213d1eb901 in __GI___poll (fds=0x7f20840052e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2137e1e169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f213db2b49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213d8f03ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f21415e6846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f213ca8b7fc in start_thread (arg=0x7f2088e16700) at pthread_create.c:465
#9  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f211cf43700 (LWP 1465)):
#0  0x00007f213ca92072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2143589fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f213ca92072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2143589f68, cond=0x7f2143589f90) at pthread_cond_wait.c:502
#2  0x00007f213ca92072 in __pthread_cond_wait (cond=0x7f2143589f90, mutex=0x7f2143589f68) at pthread_cond_wait.c:655
#3  0x00007f2143295bd4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f2143295c19 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f213ca8b7fc in start_thread (arg=0x7f211cf43700) at pthread_create.c:465
#6  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f211efa0700 (LWP 1463)):
#0  0x00007f213d1eb901 in __GI___poll (fds=0x7f2114002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2137e1e169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f213db2b49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213d8f03ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2140a50f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f213ca8b7fc in start_thread (arg=0x7f211efa0700) at pthread_create.c:465
#9  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f2125384700 (LWP 1400)):
#0  0x00007f2137e635d4 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2137e1d949 in g_main_context_query () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2137e1e0e7 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f213db2b49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f213d8f03ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2140a50f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f213ca8b7fc in start_thread (arg=0x7f2125384700) at pthread_create.c:465
#10 0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f2126dc9700 (LWP 1298)):
#0  0x00007f213d1eb901 in __GI___poll (fds=0x7f2120002de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2137e1e169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f213db2b49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213d8f03ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f213dfa7e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f213ca8b7fc in start_thread (arg=0x7f2126dc9700) at pthread_create.c:465
#9  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f212cbf8700 (LWP 1296)):
#0  0x00007f213d1eb901 in __GI___poll (fds=0x7f212cbf7bb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f21421ec747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f21421ee53a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f212ed3ff09 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f213d8f529d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f213ca8b7fc in start_thread (arg=0x7f212cbf8700) at pthread_create.c:465
#6  0x00007f213d1f7b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2143bc7900 (LWP 1279)):
[KCrash Handler]
#6  0x00007f208aeef608 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#7  0x00007f213db019ff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f21416b4880 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f214164a399 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f21416bed66 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f213ead746c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f213eaded34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f213dad2de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f213e327b01 in QWindowPrivate::deliverUpdateRequest() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f213e328019 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f21416bed05 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f213ead746c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f213eaded34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f213dad2de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f213db2a91e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f213db2b0e1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f2137e1dfb7 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f2137e1e1f0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f2137e1e27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f213db2b47f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f213dad0e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f213dad9da4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x000055f41d5cbcc2 in  ()
#29 0x00007f213d1041c1 in __libc_start_main (main=0x55f41d5cb160, argc=1, argv=0x7ffc4fe913f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc4fe913e8) at ../csu/libc-start.c:308
#30 0x000055f41d5cc03a in _start ()

Reported using DrKonqi
Comment 1 Marco Martin 2018-01-24 14:35:34 UTC 

*** This bug has been marked as a duplicate of bug 388544 ***