systemd-coredump[12891]: Process 12786 (plasmashell) of user 1013 dumped core. Stack trace of thread 12786: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4aefe69 raise (libc.so.6) #2 0x00000000b7722299 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5) #3 0x00000000b776dd24 n/a (linux-gate.so.1) Stack trace of thread 12790: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4ba083f poll (libc.so.6) #2 0x00000000b705094d n/a (libxcb.so.1) #3 0x00000000b7052cc3 xcb_wait_for_event (libxcb.so.1) #4 0x00000000b0ff4833 n/a (libQt5XcbQpa.so.5) #5 0x00000000b4e8a3ba n/a (libQt5Core.so.5) #6 0x00000000b4a52301 start_thread (libpthread.so.0) #7 0x00000000b4baa80e __clone (libc.so.6) Stack trace of thread 12796: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4ba3135 __select (libc.so.6) #2 0x00000000b50ad1cb _Z14qt_safe_selectiP6fd_setS0_S0_PK8timespec (libQt5Core.so.5) #3 0x00000000b50aea70 _ZN27QEventDispatcherUNIXPrivate8doSelectE6QFlagsIN10QEventLoop17ProcessEventsFlagEEP8timespec (libQt5Core.so.5) #4 0x00000000b50aef67 _ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00000000b5054bfd _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #6 0x00000000b4e84cd5 _ZN7QThread4execEv (libQt5Core.so.5) #7 0x00000000b67c09df n/a (libQt5Qml.so.5) #8 0x00000000b4e8a3ba n/a (libQt5Core.so.5) #9 0x00000000b4a52301 start_thread (libpthread.so.0) #10 0x00000000b4baa80e __clone (libc.so.6) Stack trace of thread 12808: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4ba3135 __select (libc.so.6) #2 0x00000000b50ad1cb _Z14qt_safe_selectiP6fd_setS0_S0_PK8timespec (libQt5Core.so.5) #3 0x00000000b50aea70 _ZN27QEventDispatcherUNIXPrivate8doSelectE6QFlagsIN10QEventLoop17ProcessEventsFlagEEP8timespec (libQt5Core.so.5) #4 0x00000000b50aef67 _ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00000000b5054bfd _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #6 0x00000000b4e84cd5 _ZN7QThread4execEv (libQt5Core.so.5) #7 0x00000000b67c09df n/a (libQt5Qml.so.5) #8 0x00000000b4e8a3ba n/a (libQt5Core.so.5) #9 0x00000000b4a52301 start_thread (libpthread.so.0) #10 0x00000000b4baa80e __clone (libc.so.6) Stack trace of thread 12809: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4a57bbb pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #2 0x00000000b7576854 n/a (libQt5Script.so.5) #3 0x00000000b757689c n/a (libQt5Script.so.5) #4 0x00000000b4a52301 start_thread (libpthread.so.0) #5 0x00000000b4baa80e __clone (libc.so.6) Stack trace of thread 12810: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4ba3135 __select (libc.so.6) #2 0x00000000b50ad1cb _Z14qt_safe_selectiP6fd_setS0_S0_PK8timespec (libQt5Core.so.5) #3 0x00000000b50aea70 _ZN27QEventDispatcherUNIXPrivate8doSelectE6QFlagsIN10QEventLoop17ProcessEventsFlagEEP8timespec (libQt5Core.so.5) #4 0x00000000b50aef67 _ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00000000b5054bfd _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #6 0x00000000b4e84cd5 _ZN7QThread4execEv (libQt5Core.so.5) #7 0x00000000b67c09df n/a (libQt5Qml.so.5) #8 0x00000000b4e8a3ba n/a (libQt5Core.so.5) #9 0x00000000b4a52301 start_thread (libpthread.so.0) #10 0x00000000b4baa80e __clone (libc.so.6) Stack trace of thread 12811: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4ba3135 __select (libc.so.6) #2 0x00000000b50ad1cb _Z14qt_safe_selectiP6fd_setS0_S0_PK8timespec (libQt5Core.so.5) #3 0x00000000b50aea70 _ZN27QEventDispatcherUNIXPrivate8doSelectE6QFlagsIN10QEventLoop17ProcessEventsFlagEEP8timespec (libQt5Core.so.5) #4 0x00000000b50aef67 _ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00000000b5054bfd _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #6 0x00000000b4e84cd5 _ZN7QThread4execEv (libQt5Core.so.5) #7 0x00000000b6bbe639 n/a (libQt5Quick.so.5) #8 0x00000000b4e8a3ba n/a (libQt5Core.so.5) #9 0x00000000b4a52301 start_thread (libpthread.so.0) #10 0x00000000b4baa80e __clone (libc.so.6) Stack trace of thread 12791: #0 0x00000000b776dd41 __kernel_vsyscall (linux-gate.so.1) #1 0x00000000b4ba3135 __select (libc.so.6) #2 0x00000000b50ad1cb _Z14qt_safe_selectiP6fd_setS0_S0_PK8timespec (libQt5Core.so.5) #3 0x00000000b50aea70 _ZN27QEventDispatcherUNIXPrivate8doSelectE6QFlagsIN10QEventLoop17ProcessEventsFlagEEP8timespec (libQt5Core.so.5) #4 0x00000000b50aef67 _ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00000000b5054bfd _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #6 0x00000000b4e84cd5 _ZN7QThread4execEv (libQt5Core.so.5) #7 0x00000000b58b4eec n/a (libQt5DBus.so.5) #8 0x00000000b4e8a3ba n/a (libQt5Core.so.5) #9 0x00000000b4a52301 start_thread (libpthread.so.0) #10 0x00000000b4baa80e __clone (libc.so.6)