Plasma freezes and crashes when switching to a new look and feel package. I downloaded a new look and feel package from KDE store (United) and switched to it. First I got a freeze, next plasma crashed. I can reproduce it sometimes. 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 0x7f9ba45c78c0 (LWP 1960))] Thread 18 (Thread 0x7f9b7a7dd700 (LWP 3741)): #0 0x00007f9b9eee3b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9b9a89f39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9ba25acaa6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9b9e4886ba in start_thread (arg=0x7f9b7a7dd700) at pthread_create.c:333 #9 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 17 (Thread 0x7f9b6da20700 (LWP 3735)): #0 0x00007f9b9a8e3ae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f9b9a89ed5a in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9ba1c26675 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f9b9e4886ba in start_thread (arg=0x7f9b6da20700) at pthread_create.c:333 #10 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 16 (Thread 0x7f9a9e619700 (LWP 3209)): #0 0x00007f9b9eee3b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9b9a89f39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9b9e4886ba in start_thread (arg=0x7f9a9e619700) at pthread_create.c:333 #8 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 15 (Thread 0x7f9aa4e79700 (LWP 3205)): #0 0x00007f9b9eee3b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9b9a89f39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9b9e4886ba in start_thread (arg=0x7f9aa4e79700) at pthread_create.c:333 #8 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7f9aa7fff700 (LWP 2255)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #9 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #10 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #11 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #12 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #13 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #14 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #15 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #16 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #17 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #18 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f9b9e4886ba in start_thread (arg=0x7f9aa7fff700) at pthread_create.c:333 #20 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7f9ac8995700 (LWP 2254)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f9b9e4886ba in start_thread (arg=0x7f9ac8995700) at pthread_create.c:333 #10 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7f9ac9196700 (LWP 2253)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #9 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #10 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007f9b9e4886ba in start_thread (arg=0x7f9ac9196700) at pthread_create.c:333 #12 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7f9ac9997700 (LWP 2252)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f9b9e4886ba in start_thread (arg=0x7f9ac9997700) at pthread_create.c:333 #10 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7f9aca198700 (LWP 2251)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f9b9e4886ba in start_thread (arg=0x7f9aca198700) at pthread_create.c:333 #10 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7f9aca999700 (LWP 2250)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #9 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #10 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #11 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #12 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f9b9e4886ba in start_thread (arg=0x7f9aca999700) at pthread_create.c:333 #14 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7f9acb19a700 (LWP 2249)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #9 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #10 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #11 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #12 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #13 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #14 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f9b9e4886ba in start_thread (arg=0x7f9acb19a700) at pthread_create.c:333 #16 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7f9acb99b700 (LWP 2248)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b9f5e3a4b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9ae54c407f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #3 0x00007f9ae54c8078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #4 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #5 0x00007f9ae54c80d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #6 0x00007f9ae54c326d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #7 0x00007f9ae54c5bf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5 #8 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f9b9e4886ba in start_thread (arg=0x7f9acb99b700) at pthread_create.c:333 #10 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7f9ad8780700 (LWP 2100)): #0 0x00007f9b9a8e3ae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f9b9a89edc9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9adac5e587 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #8 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f9b9e4886ba in start_thread (arg=0x7f9ad8780700) at pthread_create.c:333 #10 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7f9b6d21f700 (LWP 2083)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9ba40135c4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007f9ba4013609 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007f9b9e4886ba in start_thread (arg=0x7f9b6d21f700) at pthread_create.c:333 #4 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7f9b8cb6e700 (LWP 2062)): #0 0x00007f9b9eee3b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9b9a89f39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9ba1c26675 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9b9e4886ba in start_thread (arg=0x7f9b8cb6e700) at pthread_create.c:333 #9 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f9b8e5b3700 (LWP 2027)): #0 0x00007f9b9eee3b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9b9a89f39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9b9f80e23b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9f5ddfb4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9ba47037a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9b9e4886ba in start_thread (arg=0x7f9b8e5b3700) at pthread_create.c:333 #9 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f9b8fde7700 (LWP 1977)): #0 0x00007f9b9eee3b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f9ba2f74c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f9ba2f768d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f9b91f2da39 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f9b9f5e2b98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9b9e4886ba in start_thread (arg=0x7f9b8fde7700) at pthread_create.c:333 #6 0x00007f9b9eeef82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f9ba45c78c0 (LWP 1960)): [KCrash Handler] #6 0x00007f9ba2643f00 in QQuickWindow::maybeUpdate() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f9ba263aad4 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f9ba263ab44 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f9ba263b091 in QQuickItem::setParentItem(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f9ba263b68c in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #11 0x00007f9ba2656b66 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #12 0x00007f9ba1c48311 in QQmlDelegateModel::~QQmlDelegateModel() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #13 0x00007f9ba1c48469 in QQmlDelegateModel::~QQmlDelegateModel() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #14 0x00007f9ba26d04dc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #15 0x00007f9ba26d0579 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #16 0x00007f9b9f7ed4cc in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f9ba263b8f3 in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #18 0x00007f9ba26571b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #19 0x00007f9b9f7e42e3 in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f9b9f7ed484 in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f9ba263b8f3 in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #22 0x00007f9ba2655c2e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #23 0x00007f9b9f7e42e3 in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f9b9f7ed484 in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007f9ba263b8f3 in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #26 0x00007f9ba2656766 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #27 0x00007f9ba413c277 in PlasmaQuick::AppletQuickItem::~AppletQuickItem() () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5 #28 0x00007f9b6fe148f9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so #29 0x00007f9b9f7e42e3 in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #30 0x00007f9b9f7ed484 in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #31 0x00007f9b6fe10774 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/scriptengines/plasma_appletscript_declarative.so #32 0x00007f9ba2ae7982 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5 #33 0x00007f9ba2ae7ba9 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5 #34 0x00007f9ba2ad7579 in Plasma::Applet::~Applet() () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5 #35 0x00007f9ba2ad7599 in Plasma::Applet::~Applet() () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5 #36 0x00007f9b9f7e42e3 in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00007f9b9f7ed484 in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #38 0x00007f9ba2adb5b9 in Plasma::Containment::~Containment() () from /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5 #39 0x000000000043e0ab in ?? () #40 0x00000000004481a8 in ?? () #41 0x0000000000473171 in ?? () #42 0x00000000004733f3 in ?? () #43 0x00007f9ba470fae3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #44 0x00007f9ba47139c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #45 0x00007f9ba471411b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #46 0x00007f9ba47168de in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #47 0x00007f9b9f7e6a19 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #48 0x00007f9ba00a689c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #49 0x00007f9ba00ae296 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #50 0x00007f9b9f7bacf8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #51 0x00007f9b9f7bd3bb in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #52 0x00007f9b9f80de13 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #53 0x00007f9b9a89f1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #54 0x00007f9b9a89f400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #55 0x00007f9b9a89f4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #56 0x00007f9b9f80e21f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #57 0x00007f9b9f7b8cea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #58 0x00007f9b9f7c12fc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #59 0x000000000041ca28 in ?? () #60 0x00007f9b9ee09830 in __libc_start_main (main=0x41bec0, argc=2, argv=0x7ffeb43f9228, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeb43f9218) at ../csu/libc-start.c:291 #61 0x000000000041cda9 in _start () And video showing the issue. https://youtu.be/ikN19XDdSaE
*** This bug has been marked as a duplicate of bug 375388 ***