我的Kubuntu一登入就會出現這兩個視窗，提示有兩個應用程式崩潰，但是我卻找的到後台有正在工作的行程

兩個出現的開發者資訊如下
Kwin_x11
------------------

Application: kwin_x11 (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f1bbab92940 (LWP 2016))]

Thread 3 (Thread 0x7f1b9ec35700 (LWP 2018)):
[KCrash Handler]
#6 0x00007f1bb84d86c7 in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f1bbacc8330 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8 0x00007f1bbacb55f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9 0x00007f1bb82d3808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f1bb43626ba in start_thread (arg=0x7f1b9ec35700) at pthread_create.c:333
#11 0x00007f1bba69482d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1ba08cf700 (LWP 2017)):
#0 0x00007f1bba688b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f1bb97edc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f1bb97ef8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f1ba157cd29 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f1bb82d3808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f1bb43626ba in start_thread (arg=0x7f1ba08cf700) at pthread_create.c:333
#6 0x00007f1bba69482d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1bbab92940 (LWP 2016)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f1bb82d46bb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f1bb82d33b6 in QThread::wait(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f1bbacb5386 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#4 0x00007f1bbacb5419 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#5 0x00007f1bba5c7ff8 in __run_exit_handlers (status=1, listp=0x7f1bba9515f8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#6 0x00007f1bba5c8045 in __GI_exit (status=<optimized out>) at exit.c:104
#7 0x00007f1bba95e52f in ?? () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#8 0x00007f1bb84d4c24 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f1bb932be98 in KSelectionOwner::claim(bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#10 0x00007f1bba95f896 in ?? () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#11 0x00007f1bba1b0a51 in KWin::Application::start() () from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007f1bba960219 in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#13 0x00007f1bba5ae830 in __libc_start_main (main=0x400730, argc=3, argv=0x7ffe501efd58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe501efd48) at ../csu/libc-start.c:291
#14 0x0000000000400769 in _start ()

_____________
korgac
-------------

Application: korgac (korgac), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f8de917f980 (LWP 2037))]

Thread 2 (Thread 0x7f8de4ed1700 (LWP 2046)):
[KCrash Handler]
#6 0x00007f8e059406c7 in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f8e0a96c330 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8 0x00007f8e0a9595f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9 0x00007f8e0573b808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8dfdea06ba in start_thread (arg=0x7f8de4ed1700) at pthread_create.c:333
#11 0x00007f8e04e3382d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8de917f980 (LWP 2037)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f8e0573c6bb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f8e0573b3b6 in QThread::wait(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f8e0a959386 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#4 0x00007f8e0a959419 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#5 0x00007f8e04d66ff8 in __run_exit_handlers (status=0, listp=0x7f8e050f05f8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#6 0x00007f8e04d67045 in __GI_exit (status=<optimized out>) at exit.c:104
#7 0x00007f8e0767a2a1 in KDBusService::KDBusService(QFlags<KDBusService::StartupOption>, QObject*) () from /usr/lib/x86_64-linux-gnu/libKF5DBusAddons.so.5
#8 0x0000000000411b75 in ?? ()
#9 0x00007f8e04d4d830 in __libc_start_main (main=0x4116b0, argc=1, argv=0x7fff75061ab8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff75061aa8) at ../csu/libc-start.c:291
#10 0x0000000000411da9 in _start ()

附件:

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  Screenshot_20170220_202047.png (717.09 KB)

你的KDE是什麼版本，舊版的KDE有BUG，容易crash

我是裝Kubuntu的版本

系統的資訊

Kubuntu 16.04
Plasma 5.8.5
Qt 5.6.1
內核：4.4.0-62-generic
64位元