SUMMARY When opening and closing KRunner many times, the taskbar will die and come back, here are the journalctl logs from the crash: ``` Jan 05 13:18:30 ordis-arch systemd-coredump[28732]: Process 28403 (plasmashell) of user 1000 dumped core. Stack trace of thread 28436: #0 0x00007f51ac236c28 _ZN5QtQml27qmlAttachedPropertiesObjectEP7QObjectPFS1_S1_Eb (libQt5Qml.so.5 + 0x236c28) #1 0x00007f517c47428f n/a (libKirigamiPlugin.so + 0x4828f) #2 0x00007f517c475bed n/a (libKirigamiPlugin.so + 0x49bed) #3 0x00007f51aaae8211 n/a (libQt5Core.so.5 + 0xe8211) #4 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28409: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28431: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28408: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28444: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f5130d79bee _ZN15KCupsConnection3runEv (libkcupslib.so + 0x1fbee) #7 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #8 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #9 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28516: #0 0x00007f517c3d6e52 do_spin (libgomp.so.1 + 0x1fe52) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28517: #0 0x00007f517c3d6e52 do_spin (libgomp.so.1 + 0x1fe52) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28518: #0 0x00007f517c3d6e50 cpu_relax (libgomp.so.1 + 0x1fe50) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28411: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28412: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28413: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28403: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aac90269 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x290269) #6 0x00005642b6c101ef n/a (plasmashell + 0x231ef) #7 0x00007f51aa43c290 n/a (libc.so.6 + 0x23290) #8 0x00007f51aa43c34a __libc_start_main (libc.so.6 + 0x2334a) #9 0x00005642b6c105a5 n/a (plasmashell + 0x235a5) Stack trace of thread 28446: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #7 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #8 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28404: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51ac4a2cba n/a (libQt5DBus.so.5 + 0x23cba) #7 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #8 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #9 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28522: #0 0x00007f517c3d6e52 do_spin (libgomp.so.1 + 0x1fe52) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28417: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28447: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28448: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28462: #0 0x00007f51aa5141b6 ppoll (libc.so.6 + 0xfb1b6) #1 0x00007f51aacd0ceb _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5 + 0x2d0ceb) #2 0x00007f51aa9640c4 n/a (libQt5Network.so.5 + 0xd50c4) #3 0x00007f51aa9657f6 n/a (libQt5Network.so.5 + 0xd67f6) #4 0x00007f51aa952dd7 _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5 + 0xc3dd7) #5 0x00007f51aa2f2cea n/a (libKF5KIOCore.so.5 + 0x4dcea) #6 0x00007f51aa32709a _ZN3KIO9SlaveBase12dispatchLoopEv (libKF5KIOCore.so.5 + 0x8209a) #7 0x00007f51aa3a39d7 n/a (libKF5KIOCore.so.5 + 0xfe9d7) #8 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #9 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #10 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28405: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51ab722d0d n/a (libQt5WaylandClient.so.5 + 0x72d0d) #2 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #3 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #4 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28465: #0 0x00007f51aa5141b6 ppoll (libc.so.6 + 0xfb1b6) #1 0x00007f51aacd0ceb _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5 + 0x2d0ceb) #2 0x00007f51aa9640c4 n/a (libQt5Network.so.5 + 0xd50c4) #3 0x00007f51aa9657f6 n/a (libQt5Network.so.5 + 0xd67f6) #4 0x00007f51aa952dd7 _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5 + 0xc3dd7) #5 0x00007f51aa2f2cea n/a (libKF5KIOCore.so.5 + 0x4dcea) #6 0x00007f51aa32709a _ZN3KIO9SlaveBase12dispatchLoopEv (libKF5KIOCore.so.5 + 0x8209a) #7 0x00007f51aa3a39d7 n/a (libKF5KIOCore.so.5 + 0xfe9d7) #8 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #9 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #10 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28429: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51ac755caf n/a (libQt5Quick.so.5 + 0x155caf) #7 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #8 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #9 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28521: #0 0x00007f517c3d6e52 do_spin (libgomp.so.1 + 0x1fe52) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28520: #0 0x00007f517c3d6e52 do_spin (libgomp.so.1 + 0x1fe52) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28519: #0 0x00007f517c3d6e56 do_spin (libgomp.so.1 + 0x1fe56) #1 0x00007f517c3d43e0 gomp_simple_barrier_wait (libgomp.so.1 + 0x1d3e0) #2 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #3 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28406: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51ab722d0d n/a (libQt5WaylandClient.so.5 + 0x72d0d) #2 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #3 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #4 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28430: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28478: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #7 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #8 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28407: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28477: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #7 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #8 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28410: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28416: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f519650c50e n/a (iris_dri.so + 0x10c50e) #3 0x00007f51964bc89c n/a (iris_dri.so + 0xbc89c) #4 0x00007f519650c43c n/a (iris_dri.so + 0x10c43c) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28481: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #7 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #8 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28418: #0 0x00007f51aa5140bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f51a916dbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f51a9115132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f51aacd7c4c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2d7c4c) #4 0x00007f51aac8573c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x28573c) #5 0x00007f51aaae721f _ZN7QThread4execEv (libQt5Core.so.5 + 0xe721f) #6 0x00007f51ac2c0370 n/a (libQt5Qml.so.5 + 0x2c0370) #7 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #8 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #9 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28432: #0 0x00007f51aa4e67c5 clock_nanosleep (libc.so.6 + 0xcd7c5) #1 0x00007f51aa4eb2d7 __nanosleep (libc.so.6 + 0xd22d7) #2 0x00007f51aaadf9c7 _ZN7QThread6msleepEm (libQt5Core.so.5 + 0xdf9c7) #3 0x00007f51ac7f8e51 n/a (libQt5Quick.so.5 + 0x1f8e51) #4 0x00007f51ac7fcea4 n/a (libQt5Quick.so.5 + 0x1fcea4) #5 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #6 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #7 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28449: #0 0x00007f51aa49c4b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f51aa49ecd0 pthread_cond_wait (libc.so.6 + 0x85cd0) #2 0x00007f51aaaeb784 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xeb784) #3 0x00007f51ac7fd293 n/a (libQt5Quick.so.5 + 0x1fd293) #4 0x00007f51aaae42ea n/a (libQt5Core.so.5 + 0xe42ea) #5 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 28443: #0 0x00007f51aa516a11 pselect (libc.so.6 + 0xfda11) #1 0x00007f51a8825524 n/a (libusbmuxd-2.0.so.6 + 0x2524) #2 0x00007f51a88268a9 n/a (libusbmuxd-2.0.so.6 + 0x38a9) #3 0x00007f51aa49f8fd n/a (libc.so.6 + 0x868fd) #4 0x00007f51aa521a60 n/a (libc.so.6 + 0x108a60) ELF object binary architecture: AMD x86-64 ``` STEPS TO REPRODUCE 1. Open and close KRunner a bunch of times until it happens OBSERVED RESULT plasmashell coredumps EXPECTED RESULT None SOFTWARE/OS VERSIONS Linux: kernel 6.1.1-zen1-1-zen on Arch Linux. KDE Plasma Version: 5.26.4 KDE Frameworks Version: 5.101.0 Qt Version: 5.15.7 ADDITIONAL INFORMATION I can get this to occur fairly regularly, though I could not find a root cause. It typically happens just by opening and closing KRunner a bunch
The core file is too large to be uploaded here, I uploaded it to Google Drive: https://drive.google.com/file/d/1o5_k5Csghpum-oB5hmuEtpb4EZ5HH7Mw/view?usp=sharing
Thanks but we don't need the whole core. Can you use it to get a text backtrace? That would be helpful, especially if you can get it with debug symbols too for Plasma and Kirigami.
(In reply to Nate Graham from comment #2) > Thanks but we don't need the whole core. Can you use it to get a text > backtrace? That would be helpful, especially if you can get it with debug > symbols too for Plasma and Kirigami. I have rebuilt the plasma-workspace and kirigami2 packages with debug symbols, replicating the issue resulted in this backtrace: (gdb) backtrace #0 0x00007f565e2369b8 in QtQml::qmlAttachedPropertiesObject(QObject*, QObject* (*)(QObject*), bool) () at /usr/lib/libQt5Qml.so.5 #1 0x00007f563230739f in qmlAttachedPropertiesObject<Kirigami::PlatformTheme>(QObject const*, bool) (obj=<optimized out>, create=<optimized out>) at /usr/include/qt/QtQml/qqml.h:703 #2 0x00007f5632300bc7 in ImageColors::postProcess(ImageData&) const (this=this@entry=0x55aaf5d875d0, imageData=...) at /usr/src/debug/kirigami2/kirigami2-5.101.0/src/imagecolors.cpp:450 #3 0x00007f56323045ad in ImageColors::generatePalette(QImage const&) const (this=0x55aaf5d875d0, sourceImage=<optimized out>) at /usr/src/debug/kirigami2/kirigami2-5.101.0/src/imagecolors.cpp:436 #4 0x00007f5632308fab in operator() (__closure=0x55aaf5ebe170) at /usr/src/debug/kirigami2/kirigami2-5.101.0/src/imagecolors.cpp:181 #5 QtConcurrent::StoredFunctorCall0<ImageData, ImageColors::update()::<lambda()>::<lambda()> >::runFunctor (this=0x55aaf5ebe0d0) at /usr/include/qt/QtConcurrent/qtconcurrentstoredfunctioncall.h:60 #6 QtConcurrent::RunFunctionTask<ImageData>::run() (this=0x55aaf5ebe0d0) at /usr/include/qt/QtConcurrent/qtconcurrentrunbase.h:108 #7 0x00007f565cae8241 in () at /usr/lib/libQt5Core.so.5 #8 0x00007f565cae431a in () at /usr/lib/libQt5Core.so.5 #9 0x00007f565c49f8fd in () at /usr/lib/libc.so.6 #10 0x00007f565c521a60 in () at /usr/lib/libc.so.6 Let me know if there's any other info you need!
Aha, that's helpful. Now I can see that this is the same as Bug 463342. Thanks! *** This bug has been marked as a duplicate of bug 463342 ***