Application: plasmashell (5.18.3)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.3.0-40-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

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

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 0x7f3a69e1a800 (LWP 1722))]

Thread 21 (Thread 0x7f39ce0ce700 (LWP 14165)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fff45c84) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fff45c30, cond=0x55a4fff45c58) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fff45c58, mutex=0x55a4fff45c30) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4fff45c30) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55a4fff32e90, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x55a4fff32e98, mutex=0x55a4fff32e90, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4fff32df0) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f39ce0ce700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f39ce8cf700 (LWP 14164)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a5003ec9b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a5003ec968, cond=0x55a5003ec990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a5003ec990, mutex=0x55a5003ec968) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f39ce8cf700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f39cf622700 (LWP 14163)):
#0  0x00007f39ff1ef896 in pa_fdsem_after_poll () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007f39ff20735d in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f39ff89b108 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f39ff89b4de in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f39ff89b560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f39ff8a93c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f39ff217318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f3a605646db in start_thread (arg=0x7f39cf622700) at pthread_create.c:463
#8  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f39ec805700 (LWP 2487)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fff92fb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fff92f60, cond=0x55a4fff92f88) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fff92f88, mutex=0x55a4fff92f60) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4fff92f60) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55a4ffa3e100, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x55a4ffa3e108, mutex=0x55a4ffa3e100, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4ffa3e060) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f39ec805700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f39ed006700 (LWP 2486)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a5000522cc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a500052278, cond=0x55a5000522a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a5000522a0, mutex=0x55a500052278) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f39ed006700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f39eef6b700 (LWP 2178)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ffa40f64) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ffa40f10, cond=0x55a4ffa40f38) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ffa40f38, mutex=0x55a4ffa40f10) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4ffa40f10) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f3a4807f150, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x7f3a4807f158, mutex=0x7f3a4807f150, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x7f3a4807f0b0) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f39eef6b700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f39f4bac700 (LWP 2177)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ffd38768) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ffd38718, cond=0x55a4ffd38740) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ffd38740, mutex=0x55a4ffd38718) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f39f4bac700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f39f6589700 (LWP 2157)):
#0  0x00007f3a631c70b4 in __GI___libc_read (fd=29, buf=0x7f39f6588b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f3a5d31c2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a5d2d70b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a5d2d7570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a63b320db in QEventDispatcherGlib::processEvents (this=0x7f39f0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7f39f6588d60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f3a638e2317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f39f8ee8407 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4ff9f4590) at thread/qthread_unix.cpp:342
#10 0x00007f3a605646db in start_thread (arg=0x7f39f6589700) at pthread_create.c:463
#11 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f3a13fff700 (LWP 1915)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ff06e014) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ff06dfc0, cond=0x55a4ff06dfe8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ff06dfe8, mutex=0x55a4ff06dfc0) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4ff06dfc0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55a4fefe37b0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x55a4fefe37b8, mutex=0x55a4fefe37b0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4fefe3710) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f3a13fff700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f3a31bfb700 (LWP 1906)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ff0e8338) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ff0e82e8, cond=0x55a4ff0e8310) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ff0e8310, mutex=0x55a4ff0e82e8) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a31bfb700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f3a327fc700 (LWP 1868)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed47ec0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47e70, cond=0x55a4fed47e98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47e98, mutex=0x55a4fed47e70) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a327fc700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f3a32ffd700 (LWP 1867)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed47ec0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47e70, cond=0x55a4fed47e98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47e98, mutex=0x55a4fed47e70) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a32ffd700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f3a337fe700 (LWP 1866)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed477c4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47770, cond=0x55a4fed47798) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47798, mutex=0x55a4fed47770) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a337fe700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f3a33fff700 (LWP 1865)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed477c4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47770, cond=0x55a4fed47798) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47798, mutex=0x55a4fed47770) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a33fff700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f3a38996700 (LWP 1864)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed477c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47770, cond=0x55a4fed47798) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47798, mutex=0x55a4fed47770) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a38996700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f3a39197700 (LWP 1863)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fec22488) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fec22438, cond=0x55a4fec22460) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fec22460, mutex=0x55a4fec22438) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a39197700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3a39998700 (LWP 1862)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed4340c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed433b8, cond=0x55a4fed433e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed433e0, mutex=0x55a4fed433b8) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a39998700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3a47fff700 (LWP 1837)):
#0  0x00007f3a5d31d649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3a5d2d6fec in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a5d2d7570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a63b320db in QEventDispatcherGlib::processEvents (this=0x7f3a40000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7f3a47ffed80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f3a638e2317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f3a6748a605 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4feaf3bb0) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f3a47fff700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3a4e611700 (LWP 1744)):
#0  0x00007f3a631cbbf9 in __GI___poll (fds=0x7f3a48092a20, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a5d2d75c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a63b320db in QEventDispatcherGlib::processEvents (this=0x7f3a48000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7f3a4e610d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f3a638e2317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f3a657d7555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x7f3a65a4fda0) at thread/qthread_unix.cpp:342
#8  0x00007f3a605646db in start_thread (arg=0x7f3a4e611700) at pthread_create.c:463
#9  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f3a54b19700 (LWP 1734)):
#0  0x00007f3a631cbbf9 in __GI___poll (fds=0x7f3a54b18ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a685f0747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3a685f236a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3a572dacc0 in QXcbEventQueue::run (this=0x55a4fe8bf5c0) at qxcbeventqueue.cpp:228
#4  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4fe8bf5c0) at thread/qthread_unix.cpp:342
#5  0x00007f3a605646db in start_thread (arg=0x7f3a54b19700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f3a69e1a800 (LWP 1722)):
[KCrash Handler]
#6  0x000055a4fcc8ccb2 in ShellCorona::toggleWidgetExplorer (this=0x55a4fe937930) at ./shell/shellcorona.cpp:1483
#7  0x00007f3a63b0dfe7 in QtPrivate::QSlotObjectBase::call (a=0x7fffd35f8320, r=0x55a4fe937930, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#8  doActivate<false> (sender=0x55a4feb71660, signal_index=24, argv=0x7fffd35f8320) at kernel/qobject.cpp:3870
#9  0x00007f3a63b088a2 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f3a683d0ee0 <Plasma::Containment::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fffd35f8320) at kernel/qobject.cpp:3930
#10 0x00007f3a6814a655 in Plasma::Containment::showAddWidgetsInterface (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/plasma/KF5Plasma_autogen/include/moc_containment.cpp:446
#11 0x00007f3a6815f620 in Plasma::ContainmentPrivate::triggerShowAddWidgets (this=<optimized out>) at ./src/plasma/private/containment_p.cpp:132
#12 0x00007f3a6814d2e1 in Plasma::Containment::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/src/plasma/KF5Plasma_autogen/include/moc_containment.cpp:190
#13 0x00007f3a63b0ddc9 in doActivate<false> (sender=0x55a4feb424c0, signal_index=4, argv=0x7fffd35f84b0) at kernel/qobject.cpp:3882
#14 0x00007f3a63b088a2 in QMetaObject::activate (sender=sender@entry=0x55a4feb424c0, m=m@entry=0x7f3a654f1340 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffd35f84b0) at kernel/qobject.cpp:3930
#15 0x00007f3a64e0a3a2 in QAction::triggered (this=this@entry=0x55a4feb424c0, _t1=<optimized out>) at .moc/moc_qaction.cpp:381
#16 0x00007f3a64e0ca0c in QAction::activate (this=0x55a4feb424c0, event=<optimized out>) at kernel/qaction.cpp:1161
#17 0x00007f3a64f872ec in QMenuPrivate::activateCausedStack (this=this@entry=0x55a4feaf04a0, causedStack=..., action=action@entry=0x55a4feb424c0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1353
#18 0x00007f3a64f8e8db in QMenuPrivate::activateAction (this=this@entry=0x55a4feaf04a0, action=action@entry=0x55a4feb424c0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1430
#19 0x00007f3a64f8f60d in QMenu::mouseReleaseEvent (this=<optimized out>, e=0x7fffd35f8b80) at widgets/qmenu.cpp:2910
#20 0x00007f3a64e517f8 in QWidget::event (this=this@entry=0x55a500211230, event=event@entry=0x7fffd35f8b80) at kernel/qwidget.cpp:9031
#21 0x00007f3a64f9192b in QMenu::event (this=0x55a500211230, e=0x7fffd35f8b80) at widgets/qmenu.cpp:3032
#22 0x00007f3a64e108bc in QApplicationPrivate::notify_helper (this=this@entry=0x55a4fe8bb3f0, receiver=receiver@entry=0x55a500211230, e=e@entry=0x7fffd35f8b80) at kernel/qapplication.cpp:3684
#23 0x00007f3a64e18908 in QApplication::notify (this=<optimized out>, receiver=0x55a500211230, e=0x7fffd35f8b80) at kernel/qapplication.cpp:3128
#24 0x00007f3a63ad2db8 in QCoreApplication::notifyInternal2 (receiver=0x55a500211230, event=0x7fffd35f8b80) at kernel/qcoreapplication.cpp:1092
#25 0x00007f3a63ad2f9e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x55a500211230, event=event@entry=0x7fffd35f8b80) at kernel/qcoreapplication.cpp:1499
#26 0x00007f3a64e16f8f in QApplicationPrivate::sendMouseEvent (receiver=0x55a500211230, event=event@entry=0x7fffd35f8b80, alienWidget=0x0, nativeWidget=0x55a500211230, buttonDown=buttonDown@entry=0x7f3a65520980 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#27 0x00007f3a64e6c594 in QWidgetWindow::handleMouseEvent (this=this@entry=0x55a5004af220, event=event@entry=0x7fffd35f9000) at kernel/qwidgetwindow.cpp:572
#28 0x00007f3a64e6ed1a in QWidgetWindow::event (this=0x55a5004af220, event=0x7fffd35f9000) at kernel/qwidgetwindow.cpp:295
#29 0x00007f3a64e108bc in QApplicationPrivate::notify_helper (this=this@entry=0x55a4fe8bb3f0, receiver=receiver@entry=0x55a5004af220, e=e@entry=0x7fffd35f9000) at kernel/qapplication.cpp:3684
#30 0x00007f3a64e17ac0 in QApplication::notify (this=0x7fffd35f94f0, receiver=0x55a5004af220, e=0x7fffd35f9000) at kernel/qapplication.cpp:3430
#31 0x00007f3a63ad2db8 in QCoreApplication::notifyInternal2 (receiver=0x55a5004af220, event=0x7fffd35f9000) at kernel/qcoreapplication.cpp:1092
#32 0x00007f3a63ad2f9e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x55a5004af220, event=event@entry=0x7fffd35f9000) at kernel/qcoreapplication.cpp:1499
#33 0x00007f3a640cef95 in QGuiApplicationPrivate::processMouseEvent (e=0x55a50061c940) at kernel/qguiapplication.cpp:2209
#34 0x00007f3a640d00c5 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55a50061c940) at kernel/qguiapplication.cpp:1941
#35 0x00007f3a640a901b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1163
#36 0x00007f3a572dbc8a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#37 0x00007f3a5d2d7417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f3a5d2d7650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f3a63b320bc in QEventDispatcherGlib::processEvents (this=0x55a4fe924210, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#41 0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7fffd35f93a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#42 0x00007f3a63adadb0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1400
#43 0x000055a4fcc71894 in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:228

-- 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 0x7f3a69e1a800 (LWP 1722))]

Thread 21 (Thread 0x7f39ce0ce700 (LWP 14165)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fff45c84) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fff45c30, cond=0x55a4fff45c58) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fff45c58, mutex=0x55a4fff45c30) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4fff45c30) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55a4fff32e90, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x55a4fff32e98, mutex=0x55a4fff32e90, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4fff32df0) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f39ce0ce700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f39ce8cf700 (LWP 14164)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a5003ec9b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a5003ec968, cond=0x55a5003ec990) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a5003ec990, mutex=0x55a5003ec968) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f39ce8cf700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f39cf622700 (LWP 14163)):
#0  0x00007f39ff1ef896 in pa_fdsem_after_poll () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007f39ff20735d in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f39ff89b108 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f39ff89b4de in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f39ff89b560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f39ff8a93c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f39ff217318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f3a605646db in start_thread (arg=0x7f39cf622700) at pthread_create.c:463
#8  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f39ec805700 (LWP 2487)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fff92fb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fff92f60, cond=0x55a4fff92f88) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fff92f88, mutex=0x55a4fff92f60) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4fff92f60) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55a4ffa3e100, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x55a4ffa3e108, mutex=0x55a4ffa3e100, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4ffa3e060) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f39ec805700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f39ed006700 (LWP 2486)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a5000522cc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a500052278, cond=0x55a5000522a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a5000522a0, mutex=0x55a500052278) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f39ed006700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f39eef6b700 (LWP 2178)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ffa40f64) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ffa40f10, cond=0x55a4ffa40f38) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ffa40f38, mutex=0x55a4ffa40f10) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4ffa40f10) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f3a4807f150, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x7f3a4807f158, mutex=0x7f3a4807f150, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x7f3a4807f0b0) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f39eef6b700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f39f4bac700 (LWP 2177)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ffd38768) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ffd38718, cond=0x55a4ffd38740) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ffd38740, mutex=0x55a4ffd38718) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f39f4bac700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f39f6589700 (LWP 2157)):
#0  0x00007f3a631c70b4 in __GI___libc_read (fd=29, buf=0x7f39f6588b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f3a5d31c2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a5d2d70b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a5d2d7570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a63b320db in QEventDispatcherGlib::processEvents (this=0x7f39f0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7f39f6588d60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f3a638e2317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#8  0x00007f39f8ee8407 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4ff9f4590) at thread/qthread_unix.cpp:342
#10 0x00007f3a605646db in start_thread (arg=0x7f39f6589700) at pthread_create.c:463
#11 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f3a13fff700 (LWP 1915)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ff06e014) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ff06dfc0, cond=0x55a4ff06dfe8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ff06dfe8, mutex=0x55a4ff06dfc0) at pthread_cond_wait.c:655
#3  0x00007f3a638e9d9b in QWaitConditionPrivate::wait (deadline=..., this=0x55a4ff06dfc0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x55a4fefe37b0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f3a638e9f19 in QWaitCondition::wait (this=0x55a4fefe37b8, mutex=0x55a4fefe37b0, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f3a679dd1d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3a679dd631 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4fefe3710) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f3a13fff700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f3a31bfb700 (LWP 1906)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4ff0e8338) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4ff0e82e8, cond=0x55a4ff0e8310) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4ff0e8310, mutex=0x55a4ff0e82e8) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a31bfb700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f3a327fc700 (LWP 1868)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed47ec0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47e70, cond=0x55a4fed47e98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47e98, mutex=0x55a4fed47e70) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a327fc700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f3a32ffd700 (LWP 1867)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed47ec0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47e70, cond=0x55a4fed47e98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47e98, mutex=0x55a4fed47e70) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a32ffd700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f3a337fe700 (LWP 1866)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed477c4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47770, cond=0x55a4fed47798) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47798, mutex=0x55a4fed47770) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a337fe700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f3a33fff700 (LWP 1865)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed477c4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47770, cond=0x55a4fed47798) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47798, mutex=0x55a4fed47770) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a33fff700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f3a38996700 (LWP 1864)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed477c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed47770, cond=0x55a4fed47798) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed47798, mutex=0x55a4fed47770) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a38996700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f3a39197700 (LWP 1863)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fec22488) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fec22438, cond=0x55a4fec22460) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fec22460, mutex=0x55a4fec22438) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a39197700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3a39998700 (LWP 1862)):
#0  0x00007f3a6056a9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a4fed4340c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55a4fed433b8, cond=0x55a4fed433e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55a4fed433e0, mutex=0x55a4fed433b8) at pthread_cond_wait.c:655
#3  0x00007f3a3f0cfa0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f3a3f0cf607 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f3a605646db in start_thread (arg=0x7f3a39998700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3a47fff700 (LWP 1837)):
#0  0x00007f3a5d31d649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3a5d2d6fec in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a5d2d7570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a63b320db in QEventDispatcherGlib::processEvents (this=0x7f3a40000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7f3a47ffed80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f3a638e2317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#7  0x00007f3a6748a605 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4feaf3bb0) at thread/qthread_unix.cpp:342
#9  0x00007f3a605646db in start_thread (arg=0x7f3a47fff700) at pthread_create.c:463
#10 0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3a4e611700 (LWP 1744)):
#0  0x00007f3a631cbbf9 in __GI___poll (fds=0x7f3a48092a20, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a5d2d75c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a63b320db in QEventDispatcherGlib::processEvents (this=0x7f3a48000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7f3a4e610d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f3a638e2317 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:536
#6  0x00007f3a657d7555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x7f3a65a4fda0) at thread/qthread_unix.cpp:342
#8  0x00007f3a605646db in start_thread (arg=0x7f3a4e611700) at pthread_create.c:463
#9  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f3a54b19700 (LWP 1734)):
#0  0x00007f3a631cbbf9 in __GI___poll (fds=0x7f3a54b18ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a685f0747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3a685f236a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3a572dacc0 in QXcbEventQueue::run (this=0x55a4fe8bf5c0) at qxcbeventqueue.cpp:228
#4  0x00007f3a638e37ec in QThreadPrivate::start (arg=0x55a4fe8bf5c0) at thread/qthread_unix.cpp:342
#5  0x00007f3a605646db in start_thread (arg=0x7f3a54b19700) at pthread_create.c:463
#6  0x00007f3a631d888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f3a69e1a800 (LWP 1722)):
[KCrash Handler]
#6  0x000055a4fcc8ccb2 in ShellCorona::toggleWidgetExplorer (this=0x55a4fe937930) at ./shell/shellcorona.cpp:1483
#7  0x00007f3a63b0dfe7 in QtPrivate::QSlotObjectBase::call (a=0x7fffd35f8320, r=0x55a4fe937930, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#8  doActivate<false> (sender=0x55a4feb71660, signal_index=24, argv=0x7fffd35f8320) at kernel/qobject.cpp:3870
#9  0x00007f3a63b088a2 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f3a683d0ee0 <Plasma::Containment::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fffd35f8320) at kernel/qobject.cpp:3930
#10 0x00007f3a6814a655 in Plasma::Containment::showAddWidgetsInterface (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/plasma/KF5Plasma_autogen/include/moc_containment.cpp:446
#11 0x00007f3a6815f620 in Plasma::ContainmentPrivate::triggerShowAddWidgets (this=<optimized out>) at ./src/plasma/private/containment_p.cpp:132
#12 0x00007f3a6814d2e1 in Plasma::Containment::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/src/plasma/KF5Plasma_autogen/include/moc_containment.cpp:190
#13 0x00007f3a63b0ddc9 in doActivate<false> (sender=0x55a4feb424c0, signal_index=4, argv=0x7fffd35f84b0) at kernel/qobject.cpp:3882
#14 0x00007f3a63b088a2 in QMetaObject::activate (sender=sender@entry=0x55a4feb424c0, m=m@entry=0x7f3a654f1340 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffd35f84b0) at kernel/qobject.cpp:3930
#15 0x00007f3a64e0a3a2 in QAction::triggered (this=this@entry=0x55a4feb424c0, _t1=<optimized out>) at .moc/moc_qaction.cpp:381
#16 0x00007f3a64e0ca0c in QAction::activate (this=0x55a4feb424c0, event=<optimized out>) at kernel/qaction.cpp:1161
#17 0x00007f3a64f872ec in QMenuPrivate::activateCausedStack (this=this@entry=0x55a4feaf04a0, causedStack=..., action=action@entry=0x55a4feb424c0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1353
#18 0x00007f3a64f8e8db in QMenuPrivate::activateAction (this=this@entry=0x55a4feaf04a0, action=action@entry=0x55a4feb424c0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1430
#19 0x00007f3a64f8f60d in QMenu::mouseReleaseEvent (this=<optimized out>, e=0x7fffd35f8b80) at widgets/qmenu.cpp:2910
#20 0x00007f3a64e517f8 in QWidget::event (this=this@entry=0x55a500211230, event=event@entry=0x7fffd35f8b80) at kernel/qwidget.cpp:9031
#21 0x00007f3a64f9192b in QMenu::event (this=0x55a500211230, e=0x7fffd35f8b80) at widgets/qmenu.cpp:3032
#22 0x00007f3a64e108bc in QApplicationPrivate::notify_helper (this=this@entry=0x55a4fe8bb3f0, receiver=receiver@entry=0x55a500211230, e=e@entry=0x7fffd35f8b80) at kernel/qapplication.cpp:3684
#23 0x00007f3a64e18908 in QApplication::notify (this=<optimized out>, receiver=0x55a500211230, e=0x7fffd35f8b80) at kernel/qapplication.cpp:3128
#24 0x00007f3a63ad2db8 in QCoreApplication::notifyInternal2 (receiver=0x55a500211230, event=0x7fffd35f8b80) at kernel/qcoreapplication.cpp:1092
#25 0x00007f3a63ad2f9e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x55a500211230, event=event@entry=0x7fffd35f8b80) at kernel/qcoreapplication.cpp:1499
#26 0x00007f3a64e16f8f in QApplicationPrivate::sendMouseEvent (receiver=0x55a500211230, event=event@entry=0x7fffd35f8b80, alienWidget=0x0, nativeWidget=0x55a500211230, buttonDown=buttonDown@entry=0x7f3a65520980 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#27 0x00007f3a64e6c594 in QWidgetWindow::handleMouseEvent (this=this@entry=0x55a5004af220, event=event@entry=0x7fffd35f9000) at kernel/qwidgetwindow.cpp:572
#28 0x00007f3a64e6ed1a in QWidgetWindow::event (this=0x55a5004af220, event=0x7fffd35f9000) at kernel/qwidgetwindow.cpp:295
#29 0x00007f3a64e108bc in QApplicationPrivate::notify_helper (this=this@entry=0x55a4fe8bb3f0, receiver=receiver@entry=0x55a5004af220, e=e@entry=0x7fffd35f9000) at kernel/qapplication.cpp:3684
#30 0x00007f3a64e17ac0 in QApplication::notify (this=0x7fffd35f94f0, receiver=0x55a5004af220, e=0x7fffd35f9000) at kernel/qapplication.cpp:3430
#31 0x00007f3a63ad2db8 in QCoreApplication::notifyInternal2 (receiver=0x55a5004af220, event=0x7fffd35f9000) at kernel/qcoreapplication.cpp:1092
#32 0x00007f3a63ad2f9e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x55a5004af220, event=event@entry=0x7fffd35f9000) at kernel/qcoreapplication.cpp:1499
#33 0x00007f3a640cef95 in QGuiApplicationPrivate::processMouseEvent (e=0x55a50061c940) at kernel/qguiapplication.cpp:2209
#34 0x00007f3a640d00c5 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55a50061c940) at kernel/qguiapplication.cpp:1941
#35 0x00007f3a640a901b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1163
#36 0x00007f3a572dbc8a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#37 0x00007f3a5d2d7417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f3a5d2d7650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f3a5d2d76dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f3a63b320bc in QEventDispatcherGlib::processEvents (this=0x55a4fe924210, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#41 0x00007f3a63ad163a in QEventLoop::exec (this=this@entry=0x7fffd35f93a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#42 0x00007f3a63adadb0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1400
#43 0x000055a4fcc71894 in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:228

Possible duplicates by query: bug 418794, bug 418595, bug 418232, bug 418216, bug 418148.

Reported using DrKonqi