https://bugs.kde.org/show_bug.cgi?id=411221

            Bug ID: 411221
           Summary: Plasmashell crash on closing firefox
           Product: plasmashell
           Version: 5.16.4
          Platform: Gentoo Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: alexey....@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.16.4)

Qt Version: 5.12.3
Frameworks Version: 5.61.0
Operating System: Linux 5.2.9-gentoo x86_64
Distribution (Platform): Gentoo Packages

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

Plasmashell crashes each time when closing firefox.
Plasma-browser-inegration used.
Firefox version 68.0.2 (64-bit)

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
29        return SYSCALL_CANCEL (poll, fds, nfds, timeout);
[Current thread is 1 (Thread 0x7fbdb0065880 (LWP 20899))]

Thread 18 (Thread 0x7fbd5e43b700 (LWP 21080)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x563872061bcc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x563872061b78, cond=0x563872061ba0) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x563872061ba0,
mutex=0x563872061b78) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x563872061b40, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x563872061b40,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 17 (Thread 0x7fbd75ffb700 (LWP 21078)):
#0  0x00007fbdb3c41040 in __GI___libc_read (nbytes=16, buf=0x7fbd75ffaa40,
fd=17) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fbdb3c41040 in __GI___libc_read (fd=17, buf=0x7fbd75ffaa40,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fbdb27b623f in g_wakeup_acknowledge (wakeup=0x7fbda4003590) at
../glib-2.60.6/glib/gwakeup.c:210
#3  0x00007fbdb275b5df in g_main_context_check (context=0x7fbd64000bf0,
max_priority=2147483647, fds=0x7fbd64005470, n_fds=1) at
../glib-2.60.6/glib/gmain.c:3705
#4  0x00007fbdb275bb27 in g_main_context_iterate (context=0x7fbd64000bf0,
block=1, dispatch=1, self=0x7fbda4004440) at ../glib-2.60.6/glib/gmain.c:3924
#5  0x00007fbdb275bc14 in g_main_context_iteration (context=0x7fbd64000bf0,
may_block=1) at ../glib-2.60.6/glib/gmain.c:3988
#6  0x00007fbdb42a73a1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fbd64000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fbdb4219747 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fbd75ffacc0, flags=...) at kernel/qeventloop.cpp:138
#8  0x00007fbdb4219a45 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fbd75ffacc0,
flags=...) at kernel/qeventloop.cpp:225
#9  0x00007fbdb3fdb523 in QThread::exec() (this=0x563871f4bcf0) at
thread/qthread.cpp:531
#10 0x00007fbdb5d753b6 in QQuickPixmapReader::run() (this=0x563871f4bcf0) at
util/qquickpixmapcache.cpp:953
#11 0x00007fbdb3fde1d8 in QThreadPrivate::start(void*) (arg=0x563871f4bcf0) at
thread/qthread_unix.cpp:361
#12 0x00007fbdb3460458 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#13 0x00007fbdb3c5180f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fbd767fc700 (LWP 21033)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a8d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a880, cond=0x56387153a8a8) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a8a8,
mutex=0x56387153a880) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a848, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a848,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 15 (Thread 0x7fbd76ffd700 (LWP 21032)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a8d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a880, cond=0x56387153a8a8) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a8a8,
mutex=0x56387153a880) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a848, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a848,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 14 (Thread 0x7fbd777fe700 (LWP 21031)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a8d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a880, cond=0x56387153a8a8) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a8a8,
mutex=0x56387153a880) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a848, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a848,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 13 (Thread 0x7fbd77fff700 (LWP 21030)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a8d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a880, cond=0x56387153a8a8) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a8a8,
mutex=0x56387153a880) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a848, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a848,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 12 (Thread 0x7fbd94eb8700 (LWP 21029)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a350) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a300, cond=0x56387153a328) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a328,
mutex=0x56387153a300) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a2c8, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a2c8,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 11 (Thread 0x7fbd956b9700 (LWP 21028)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a354) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a300, cond=0x56387153a328) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a328,
mutex=0x56387153a300) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a2c8, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a2c8,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 10 (Thread 0x7fbd95eba700 (LWP 21027)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a354) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a300, cond=0x56387153a328) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a328,
mutex=0x56387153a300) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a2c8, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a2c8,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 9 (Thread 0x7fbd966bb700 (LWP 21026)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a350) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a300, cond=0x56387153a328) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a328,
mutex=0x56387153a300) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a2c8, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a2c8,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 8 (Thread 0x7fbd96ebc700 (LWP 21025)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a350) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a300, cond=0x56387153a328) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a328,
mutex=0x56387153a300) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a2c8, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a2c8,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 7 (Thread 0x7fbd976bd700 (LWP 21024)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153a350) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56387153a300, cond=0x56387153a328) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x56387153a328,
mutex=0x56387153a300) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x56387153a2c8, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x56387153a2c8,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 6 (Thread 0x7fbd97ebe700 (LWP 21023)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x563871509198) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x563871509148, cond=0x563871509170) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x563871509170,
mutex=0x563871509148) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x563871509110, mach=0x563871509118)
at ../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x563871509118,
inst=0x563871509110, pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 5 (Thread 0x7fbd9c886700 (LWP 21022)):
#0  0x00007fbdb346714c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x56387153589c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdb346714c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x563871535848, cond=0x563871535870) at pthread_cond_wait.c:502
#2  0x00007fbdb346714c in __pthread_cond_wait (cond=0x563871535870,
mutex=0x563871535848) at pthread_cond_wait.c:655
#3  0x00007fbd9f90e7bb in exec_dp3 (inst=0x563871535810, mach=0x0) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:3263
#4  0x00007fbd9f90e7bb in exec_instruction (mach=0x0, inst=0x563871535810,
pc=<optimized out>) at
../mesa-19.2.0-rc1/src/gallium/auxiliary/tgsi/tgsi_exec.c:5279
#5  0x0000000000000000 in  ()

Thread 4 (Thread 0x7fbdadabe700 (LWP 20997)):
#0  0x00007fbdb42a66a4 in timerSourcePrepareHelper(GTimerSource*, gint*)
(src=0x7fbda40048c0, timeout=0x7fbdadabdabc) at
kernel/qeventdispatcher_glib.cpp:132
#1  0x00007fbdb42a68a9 in timerSourcePrepare(GSource*, gint*)
(source=0x7fbda40048c0, timeout=0x7fbdadabdabc) at
kernel/qeventdispatcher_glib.cpp:165
#2  0x00007fbdb275b152 in g_main_context_prepare (context=0x7fbda4000bf0,
priority=0x7fbdadabdb58) at ../glib-2.60.6/glib/gmain.c:3499
#3  0x00007fbdb275ba68 in g_main_context_iterate (context=0x7fbda4000bf0,
block=1, dispatch=1, self=0x7fbda0004890 <log2_table+167728>) at
../glib-2.60.6/glib/gmain.c:3907
#4  0x00007fbdb275bc14 in g_main_context_iteration (context=0x7fbda4000bf0,
may_block=1) at ../glib-2.60.6/glib/gmain.c:3988
#5  0x00007fbdb42a73a1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fbda4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fbdb4219747 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fbdadabdce0, flags=...) at kernel/qeventloop.cpp:138
#7  0x00007fbdb4219a45 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fbdadabdce0,
flags=...) at kernel/qeventloop.cpp:225
#8  0x00007fbdb3fdb523 in QThread::exec() (this=0x56387119fc90) at
thread/qthread.cpp:531
#9  0x00007fbdb5aa4df5 in QQmlThreadPrivate::run() (this=0x56387119fc90) at
qml/ftw/qqmlthread.cpp:148
#10 0x00007fbdb3fde1d8 in QThreadPrivate::start(void*) (arg=0x56387119fc90) at
thread/qthread_unix.cpp:361
#11 0x00007fbdb3460458 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#12 0x00007fbdb3c5180f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fbdaecef700 (LWP 20958)):
#0  0x00007fbdb3c41040 in __GI___libc_read (nbytes=16, buf=0x7fbdaeceea50,
fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fbdb3c41040 in __GI___libc_read (fd=7, buf=0x7fbdaeceea50,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fbdb27b623f in g_wakeup_acknowledge (wakeup=0x5638711221b0) at
../glib-2.60.6/glib/gwakeup.c:210
#3  0x00007fbdb275b5df in g_main_context_check (context=0x7fbda0000bf0
<log2_table+152208>, max_priority=2147483647, fds=0x7fbda0076e60, n_fds=1) at
../glib-2.60.6/glib/gmain.c:3705
#4  0x00007fbdb275bb27 in g_main_context_iterate (context=0x7fbda0000bf0
<log2_table+152208>, block=1, dispatch=1, self=0x56387111db00) at
../glib-2.60.6/glib/gmain.c:3924
#5  0x00007fbdb275bc14 in g_main_context_iteration (context=0x7fbda0000bf0
<log2_table+152208>, may_block=1) at ../glib-2.60.6/glib/gmain.c:3988
#6  0x00007fbdb42a73a1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fbda0000b20 <log2_table+152000>, flags=...) at
kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fbdb4219747 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fbdaeceecd0, flags=...) at kernel/qeventloop.cpp:138
#8  0x00007fbdb4219a45 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fbdaeceecd0,
flags=...) at kernel/qeventloop.cpp:225
#9  0x00007fbdb3fdb523 in QThread::exec() (this=0x7fbdb4ba8d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:531
#10 0x00007fbdb4b28565 in QDBusConnectionManager::run() (this=0x7fbdb4ba8d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#11 0x00007fbdb3fde1d8 in QThreadPrivate::start(void*) (arg=0x7fbdb4ba8d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#12 0x00007fbdb3460458 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#13 0x00007fbdb3c5180f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fbdaf95a700 (LWP 20912)):
#0  0x00007fbdb3c45763 in __GI___poll (fds=fds@entry=0x7fbdaf959bf8,
nfds=nfds@entry=1, timeout=timeout@entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fbdb61e5cf7 in poll (__timeout=-1, __nfds=1, __fds=0x7fbdaf959bf8)
at /usr/include/bits/poll2.h:46
#2  0x00007fbdb61e5cf7 in _xcb_conn_wait (c=c@entry=0x5638710c04d0,
cond=cond@entry=0x5638710c0510, vector=vector@entry=0x0, count=count@entry=0x0)
at /usr/src/debug/x11-libs/libxcb-1.13.1/libxcb-1.13.1/src/xcb_conn.c:479
#3  0x00007fbdb61e792a in xcb_wait_for_event (c=c@entry=0x5638710c04d0) at
/usr/src/debug/x11-libs/libxcb-1.13.1/libxcb-1.13.1/src/xcb_in.c:697
#4  0x00007fbdafab0648 in QXcbEventQueue::run() (this=0x5638710d4d10) at
qxcbeventqueue.cpp:228
#5  0x00007fbdb3fde1d8 in QThreadPrivate::start(void*) (arg=0x5638710d4d10) at
thread/qthread_unix.cpp:361
#6  0x00007fbdb3460458 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#7  0x00007fbdb3c5180f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fbdb0065880 (LWP 20899)):
[KCrash Handler]
#7  0x00007fbdb4584c08 in typeinfo for QMetaCallEvent () at
/usr/lib64/libQt5Core.so.5
#8  0x00007fbdb6133ad9 in Plasma::Applet::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>,
_id=<optimized out>, _a=<optimized out>) at
src/plasma/KF5Plasma_autogen/include/moc_applet.cpp:244
#9  0x00007fbdb4262815 in QMetaObject::activate(QObject*, int, int, void**)
(sender=0x563873c70c20, signalOffset=3, local_signal_index=0, argv=0x0) at
kernel/qobject.cpp:3795
#10 0x00007fbdb426200e in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=0x563873c70c20, m=0x7fbdb4c0e360
<KCoreConfigSkeleton::staticMetaObject>, local_signal_index=0, argv=0x0) at
kernel/qobject.cpp:3648
#11 0x00007fbdb4bc50d0 in KCoreConfigSkeleton::configChanged()
(this=this@entry=0x563873c70c20) at
src/core/KF5ConfigCore_autogen/EWIEGA46WW/moc_kcoreconfigskeleton.cpp:143
#12 0x00007fbdb4becd65 in KCoreConfigSkeleton::save() (this=0x563873c70c20) at
/usr/src/debug/kde-frameworks/kconfig-5.61.0/kconfig-5.61.0/src/core/kcoreconfigskeleton.cpp:1109
#13 0x00007fbdb60f157a in KDeclarative::ConfigPropertyMapPrivate::writeConfig()
(this=0x56387235f9b0) at
/usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/atomic_base.h:390
#14 0x00007fbdb60f157a in KDeclarative::ConfigPropertyMapPrivate::writeConfig()
(this=0x56387235f9b0) at
/usr/src/debug/kde-frameworks/kdeclarative-5.61.0/kdeclarative-5.61.0/src/kdeclarative/configpropertymap.cpp:110
#15 0x00007fbdb60f15db in KDeclarative::ConfigPropertyMap::~ConfigPropertyMap()
(this=0x563874668660, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/kdeclarative-5.61.0/kdeclarative-5.61.0/src/kdeclarative/configpropertymap.cpp:72
#16 0x00007fbdb60f1629 in KDeclarative::ConfigPropertyMap::~ConfigPropertyMap()
(this=0x563874668660, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/kdeclarative-5.61.0/kdeclarative-5.61.0/src/kdeclarative/configpropertymap.cpp:70
#17 0x00007fbdb425d721 in QObjectPrivate::deleteChildren()
(this=0x563873cf0fe0) at kernel/qobject.cpp:2010
#18 0x00007fbdb425bd20 in QObject::~QObject() (this=0x56387478dfd0,
__in_chrg=<optimized out>) at kernel/qobject.cpp:1032
#19 0x00007fbdb5e3e6ca in QQuickItem::~QQuickItem() (this=0x56387478dfd0,
__in_chrg=<optimized out>) at items/qquickitem.cpp:2443
#20 0x00007fbdb663e46c in PlasmaQuick::AppletQuickItem::~AppletQuickItem()
(this=0x56387478dfd0, __in_chrg=<optimized out>) at
/usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/atomic_base.h:303
#21 0x00007fbdac848099 in AppletInterface::~AppletInterface()
(this=0x56387478dfd0, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/scriptengines/qml/plasmoid/appletinterface.cpp:150
#22 0x00007fbdb425d721 in QObjectPrivate::deleteChildren()
(this=0x5638747107f0) at kernel/qobject.cpp:2010
#23 0x00007fbdb425bd20 in QObject::~QObject() (this=0x563873ce3c80,
__in_chrg=<optimized out>) at kernel/qobject.cpp:1032
#24 0x00007fbdac844014 in DeclarativeAppletScript::~DeclarativeAppletScript()
(this=0x563873ce3c80, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/scriptengines/qml/plasmoid/declarativeappletscript.cpp:69
#25 0x00007fbdac844014 in DeclarativeAppletScript::~DeclarativeAppletScript()
(this=0x563873ce3c80, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/scriptengines/qml/plasmoid/declarativeappletscript.cpp:71
#26 0x00007fbdb6148f4b in Plasma::AppletPrivate::~AppletPrivate()
(this=0x5638740c60e0, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/plasma/private/applet_p.cpp:107
#27 0x00007fbdb6149159 in Plasma::AppletPrivate::~AppletPrivate()
(this=0x5638740c60e0, __in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/plasma/private/applet_p.cpp:96
#28 0x00007fbdb61320c9 in Plasma::Applet::~Applet() (this=0x563874191380,
__in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/plasma/applet.cpp:144
#29 0x00007fbdb61320e9 in Plasma::Applet::~Applet() (this=0x563874191380,
__in_chrg=<optimized out>) at
/usr/src/debug/kde-frameworks/plasma-5.61.0/plasma-framework-5.61.0/src/plasma/applet.cpp:136
#30 0x00007fbdb42642af in qDeleteInEventHandler(QObject*) (o=0x563874191380) at
kernel/qobject.cpp:4649
#31 0x00007fbdb425c024 in QObject::event(QEvent*) (this=0x563874191380,
e=0x7fbda007bc80) at kernel/qobject.cpp:1251
#32 0x00007fbdb4d99541 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x5638710b1560, receiver=receiver@entry=0x563874191380,
e=e@entry=0x7fbda007bc80) at kernel/qapplication.cpp:3736
#33 0x00007fbdb4da0910 in QApplication::notify(QObject*, QEvent*)
(this=0x7fff6d24ab60, receiver=0x563874191380, e=0x7fbda007bc80) at
kernel/qapplication.cpp:3483
#34 0x00007fbdb421c993 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x563874191380, event=0x7fbda007bc80) at
kernel/qcoreapplication.cpp:1060
#35 0x00007fbdb421d31e in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=0x563874191380, event=0x7fbda007bc80) at
kernel/qcoreapplication.cpp:1450
#36 0x00007fbdb421deec in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x5638710a6690) at
kernel/qcoreapplication.cpp:1799
#37 0x00007fbdb421d8a2 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1653
#38 0x00007fbdb42a6bc7 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x563871108a50) at kernel/qeventdispatcher_glib.cpp:276
#39 0x00007fbdb275a9e5 in g_main_dispatch (context=0x7fbda8004fd0) at
../glib-2.60.6/glib/gmain.c:3189
#40 0x00007fbdb275b949 in g_main_context_dispatch (context=0x7fbda8004fd0) at
../glib-2.60.6/glib/gmain.c:3854
#41 0x00007fbdb275bb3c in g_main_context_iterate (context=0x7fbda8004fd0,
block=1, dispatch=1, self=0x7fbda8004d60) at ../glib-2.60.6/glib/gmain.c:3927
#42 0x00007fbdb275bc14 in g_main_context_iteration (context=0x7fbda8004fd0,
may_block=1) at ../glib-2.60.6/glib/gmain.c:3988
#43 0x00007fbdb42a7372 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x56387111c7a0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#44 0x00007fbdb4219747 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fff6d24aa60, flags=...) at kernel/qeventloop.cpp:138
#45 0x00007fbdb4219a45 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fff6d24aa60,
flags=...) at kernel/qeventloop.cpp:225
#46 0x00007fbdb421d170 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1363
#47 0x000056386f261283 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at
/usr/src/debug/kde-plasma/plasma-workspace-5.16.4/plasma-workspace-5.16.4/shell/main.cpp:215
[Inferior 1 (process 20899) detached]

Reported using DrKonqi

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